Esempio n. 1
0
static switch_status_t flite_speech_read_tts(switch_speech_handle_t *sh, void *data, size_t *datalen, switch_speech_flag_t *flags)
{
	size_t bytes_read;
	flite_t *flite = (flite_t *) sh->private_info;

	if (!flite->audio_buffer) {
		int32_t len;

		if (flite->w) {
			len = flite->w->num_samples * 2;
		} else {
			len = FLITE_BLOCK_SIZE;
		}

		switch_buffer_create_dynamic(&flite->audio_buffer, FLITE_BLOCK_SIZE, len, 0);
		switch_assert(flite->audio_buffer);
	}

	if (flite->w) {
		switch_buffer_write(flite->audio_buffer, flite->w->samples, flite->w->num_samples * 2);
		free_wave(flite->w);
	}

	if ((bytes_read = switch_buffer_read(flite->audio_buffer, data, *datalen))) {
		*datalen = bytes_read;
		return SWITCH_STATUS_SUCCESS;
	}

	return SWITCH_STATUS_FALSE;
}
static switch_status_t init_decoder(switch_codec_t *codec)
{
	vpx_context_t *context = (vpx_context_t *)codec->private_info;
	vpx_codec_dec_cfg_t cfg = {0, 0, 0};
	vpx_codec_flags_t dec_flags = 0;

	if (context->flags & SWITCH_CODEC_FLAG_DECODE && !context->decoder_init) {
		vp8_postproc_cfg_t ppcfg;
		
		//if (context->decoder_init) {
		//	vpx_codec_destroy(&context->decoder);
		//	context->decoder_init = 0;
		//}

		cfg.threads = switch_core_cpu_count();

		if (!context->is_vp9) { // vp8 only
			dec_flags = VPX_CODEC_USE_POSTPROC;
		}

		if (vpx_codec_dec_init(&context->decoder, context->decoder_interface, &cfg, dec_flags) != VPX_CODEC_OK) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec init error: [%d:%s]\n", context->encoder.err, context->encoder.err_detail);
			return SWITCH_STATUS_FALSE;
		}

		
		context->last_ts = 0;
		context->last_received_timestamp = 0;
		context->last_received_complete_picture = 0;
		context->decoder_init = 1;
		context->got_key_frame = 0;
		context->got_start_frame = 0;
		// the types of post processing to be done, should be combination of "vp8_postproc_level"
		ppcfg.post_proc_flag = VP8_DEBLOCK;//VP8_DEMACROBLOCK | VP8_DEBLOCK;
		// the strength of deblocking, valid range [0, 16]
		ppcfg.deblocking_level = 1;
		// Set deblocking settings
		vpx_codec_control(&context->decoder, VP8_SET_POSTPROC, &ppcfg);

		if (context->vpx_packet_buffer) {
			switch_buffer_zero(context->vpx_packet_buffer);
		} else {
			switch_buffer_create_dynamic(&context->vpx_packet_buffer, 512, 512, 0);
		}
	}

	return SWITCH_STATUS_SUCCESS;
}
static switch_status_t start_capture(switch_core_session_t *session, unsigned int seconds, switch_media_bug_flag_t flags, const char *base)
{
	switch_channel_t *channel = switch_core_session_get_channel(session);
	switch_media_bug_t *bug;
	switch_status_t status;
	switch_codec_implementation_t read_impl = { 0 };
	struct cap_cb *cb;
	switch_size_t bytes;
	switch_bind_flag_t bind_flags = 0;

	if (switch_channel_get_private(channel, "snapshot")) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Already Running.\n");
		return SWITCH_STATUS_FALSE;
	}

	if (seconds < 5) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Must be at least 5 seconds!\n");
		return SWITCH_STATUS_FALSE;
	}

	switch_core_session_get_read_impl(session, &read_impl);

	if (switch_channel_pre_answer(channel) != SWITCH_STATUS_SUCCESS) {
		return SWITCH_STATUS_FALSE;
	}

	cb = switch_core_session_alloc(session, sizeof(*cb));
	cb->base = switch_core_session_strdup(session, base);

	bytes = read_impl.samples_per_second * seconds * 2;

	switch_buffer_create_dynamic(&cb->buffer, bytes, bytes, bytes);
	switch_mutex_init(&cb->mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));

	if ((status = switch_core_media_bug_add(session, "snapshot", NULL, capture_callback, cb, 0, flags, &bug)) != SWITCH_STATUS_SUCCESS) {
		return status;
	}

	bind_flags = SBF_DIAL_ALEG | SBF_EXEC_ALEG | SBF_EXEC_SAME;
	switch_ivr_bind_dtmf_meta_session(session, 7, bind_flags, "snapshot::snap");

	switch_channel_set_private(channel, "snapshot", bug);

	return SWITCH_STATUS_SUCCESS;
}
Esempio n. 4
0
void *SWITCH_THREAD_FUNC rtmp_io_tcp_thread(switch_thread_t *thread, void *obj)
{
	rtmp_io_tcp_t *io = (rtmp_io_tcp_t*)obj;
	io->base.running = 1;
	
	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s: I/O Thread starting\n", io->base.profile->name);
	
	
	while(io->base.running) {
		const switch_pollfd_t *fds;
		int32_t numfds;
		int32_t i;
		switch_status_t status;
		
		switch_mutex_lock(io->mutex);
		status = switch_pollset_poll(io->pollset, 500000, &numfds, &fds);
		switch_mutex_unlock(io->mutex);
		
		if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_TIMEOUT) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "pollset_poll failed\n");
			continue;
		} else if (status == SWITCH_STATUS_TIMEOUT) {
			switch_cond_next();
		}
		
		for (i = 0; i < numfds; i++) {
			if (!fds[i].client_data) { 
				switch_socket_t *newsocket;
				if (switch_socket_accept(&newsocket, io->listen_socket, io->base.pool) != SWITCH_STATUS_SUCCESS) {
					if (io->base.running) {
						/* Don't spam the logs if we are shutting down */
						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Error [%s]\n", strerror(errno));	
					} else {
						return NULL;
					}
				} else {
					rtmp_session_t *rsession;
					
					if (switch_socket_opt_set(newsocket, SWITCH_SO_NONBLOCK, TRUE)) {
						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Couldn't set socket as non-blocking\n");
					}

					if (switch_socket_opt_set(newsocket, SWITCH_SO_TCP_NODELAY, 1)) {
						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Couldn't disable Nagle.\n");
					}
					
					if (rtmp_session_request(io->base.profile, &rsession) != SWITCH_STATUS_SUCCESS) {
						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "RTMP session request failed\n");
						switch_socket_close(newsocket);
					} else {
						switch_sockaddr_t *addr = NULL;
						char ipbuf[200];
						
						/* Create out private data and attach it to the rtmp session structure */
						rtmp_tcp_io_private_t *pvt = switch_core_alloc(rsession->pool, sizeof(*pvt));
						rsession->io_private = pvt;
						pvt->socket = newsocket;
						switch_socket_create_pollfd(&pvt->pollfd, newsocket, SWITCH_POLLIN | SWITCH_POLLERR, rsession, rsession->pool);
						switch_pollset_add(io->pollset, pvt->pollfd);
						switch_buffer_create_dynamic(&pvt->sendq, 512, 1024, 0);
						
						/* Get the remote address/port info */
						switch_socket_addr_get(&addr, SWITCH_TRUE, newsocket);
						switch_get_addr(ipbuf, sizeof(ipbuf), addr);
						rsession->remote_address = switch_core_strdup(rsession->pool, ipbuf);
						rsession->remote_port = switch_sockaddr_get_port(addr);
						switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_INFO, "Rtmp connection from %s:%i\n",
										  rsession->remote_address, rsession->remote_port);
					}
				}
			} else {
				rtmp_session_t *rsession = (rtmp_session_t*)fds[i].client_data;
				rtmp_tcp_io_private_t *io_pvt = (rtmp_tcp_io_private_t*)rsession->io_private;
				
				if (fds[i].rtnevents & SWITCH_POLLOUT && switch_buffer_inuse(io_pvt->sendq) > 0) {
					/* Send as much remaining data as possible */
					switch_size_t sendlen;
					const void *ptr;
					sendlen = switch_buffer_peek_zerocopy(io_pvt->sendq, &ptr);
					switch_socket_send_nonblock(io_pvt->socket, ptr, &sendlen);
					switch_buffer_toss(io_pvt->sendq, sendlen);
					if (switch_buffer_inuse(io_pvt->sendq) == 0) {
						/* Remove our fd from OUT polling */
						rtmp_tcp_alter_pollfd(rsession, SWITCH_FALSE);
					}
				} else 	if (fds[i].rtnevents & SWITCH_POLLIN && rtmp_handle_data(rsession) != SWITCH_STATUS_SUCCESS) {
					switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, "Closing socket\n");
					
					switch_mutex_lock(io->mutex);
					switch_pollset_remove(io->pollset, io_pvt->pollfd);
					switch_mutex_unlock(io->mutex);
					
					switch_socket_close(io_pvt->socket);
					io_pvt->socket = NULL;
					
					rtmp_session_destroy(&rsession);
				}
			}
		}
	}
	
	io->base.running = -1;
	switch_socket_close(io->listen_socket);
	
	return NULL;
}
Esempio n. 5
0
static switch_status_t mp4_file_open(switch_file_handle_t *handle, const char *path)
{
	mp4_file_context_t *context;
	char *ext;
	unsigned int flags = 0;
	const char *tmp = NULL;

	if ((ext = strrchr(path, '.')) == 0) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Format\n");
		return SWITCH_STATUS_GENERR;
	}
	ext++;

	if ((context = switch_core_alloc(handle->memory_pool, sizeof(mp4_file_context_t))) == 0) {
		return SWITCH_STATUS_MEMERR;
	}

	memset(context, 0, sizeof(mp4_file_context_t));

	context->offset = -100;
	if (handle->params && (tmp = switch_event_get_header(handle->params, "mp4v2_video_offset"))) {
		context->offset = atoi(tmp);
	}

	context->audio_type = MP4_ULAW_AUDIO_TYPE; // default

	if (handle->params && (tmp = switch_event_get_header(handle->params, "mp4v2_audio_codec"))) {
		if (!strcasecmp(tmp, "PCMU")) {
			context->audio_type = MP4_ULAW_AUDIO_TYPE;
		} else if (!strcasecmp(tmp, "MP3")) {
			context->audio_type = MP4_MP3_AUDIO_TYPE;
		} else if (!strcasecmp(tmp, "AAC")) {
			context->audio_type = MP4_MPEG4_AUDIO_TYPE;
		} else if (!strcasecmp(tmp, "L16")) {
			context->audio_type = MP4_PCM16_LITTLE_ENDIAN_AUDIO_TYPE;
		}
	}

	switch_mutex_init(&context->mutex, SWITCH_MUTEX_NESTED, handle->memory_pool);

	if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
		flags |= SWITCH_FOPEN_WRITE | SWITCH_FOPEN_CREATE;
		if (switch_test_flag(handle, SWITCH_FILE_WRITE_APPEND) || switch_test_flag(handle, SWITCH_FILE_WRITE_OVER)) {
			flags |= SWITCH_FOPEN_READ;
		} else {
			flags |= SWITCH_FOPEN_TRUNCATE;
		}
	}

	if (switch_test_flag(handle, SWITCH_FILE_FLAG_READ)) {
		flags |= SWITCH_FOPEN_READ;
	}

	if ((context->fd = MP4CreateEx(path, 0, 1, 1, NULL, 0, NULL, 0)) == MP4_INVALID_FILE_HANDLE) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error opening file %s\n", path);
		return SWITCH_STATUS_GENERR;
	}

	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "sample rate: %d, channels: %d\n", handle->samplerate, handle->channels);

	if (context->audio_type == MP4_ULAW_AUDIO_TYPE) {
		context->audio = MP4AddULawAudioTrack(context->fd, handle->samplerate);
		MP4SetTrackIntegerProperty(context->fd, context->audio, "mdia.minf.stbl.stsd.ulaw.channels", handle->channels);
		MP4SetTrackIntegerProperty(context->fd, context->audio, "mdia.minf.stbl.stsd.ulaw.sampleSize", 8);
	} else if (context->audio_type == MP4_MP3_AUDIO_TYPE) {
		// handle->samplerate = 44100;
		context->audio = MP4AddAudioTrack(context->fd, handle->samplerate, handle->samplerate, MP4_MP3_AUDIO_TYPE);
		MP4SetTrackName(context->fd, context->audio, ".mp3");
		MP4SetTrackIntegerProperty(context->fd, context->audio, "mdia.minf.stbl.stsd.mp4a.channels", handle->channels);
		// MP4SetTrackIntegerProperty(context->fd, context->audio, "mdia.minf.stbl.stsd..mp3.channels", handle->channels);
	} else if (context->audio_type == MP4_PCM16_LITTLE_ENDIAN_AUDIO_TYPE) {
		context->audio = MP4AddAudioTrack(context->fd, handle->samplerate, handle->samplerate, MP4_PCM16_LITTLE_ENDIAN_AUDIO_TYPE);
		MP4SetTrackName(context->fd, context->audio, "lpcm");
		MP4SetTrackIntegerProperty(context->fd, context->audio, "mdia.minf.stbl.stsd.mp4a.channels", handle->channels);
		MP4SetTrackIntegerProperty(context->fd, context->audio, "mdia.minf.stbl.stsd.lpcm.channels", handle->channels);
		MP4SetTrackIntegerProperty(context->fd, context->audio, "mdia.minf.stbl.stsd.lpcm.sampleSize", 16);
	} else if (context->audio_type == MP4_MPEG4_AUDIO_TYPE) {
		/* AAC object types */
		#define AAC_MAIN 1
		#define AAC_LOW  2
		#define AAC_SSR  3
		#define AAC_LTP  4

		uint16_t info = 0;

		info |= AAC_LOW << 11; // aacObjectType (5bit)
		info |= get_aac_sample_rate_index(handle->samplerate) << 7; //(4bit)
		info |= handle->channels << 3; //(4bit)
		info = htons(info);

		context->audio = MP4AddAudioTrack(context->fd, handle->samplerate, handle->samplerate, MP4_MPEG4_AUDIO_TYPE);
		MP4SetTrackESConfiguration(context->fd, context->audio, (uint8_t *)&info, sizeof(info));
		MP4SetTrackIntegerProperty(context->fd, context->audio, "mdia.minf.stbl.stsd.mp4a.channels", handle->channels);
	}

	handle->format = 0;
	handle->sections = 0;
	handle->seekable = 0;
	handle->speed = 0;
	handle->pos = 0;
	handle->private_info = context;
	context->pool = handle->memory_pool;

	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Opening File [%s] %dhz %s\n",
		path, handle->samplerate, switch_test_flag(handle, SWITCH_FILE_FLAG_VIDEO) ? " with VIDEO" : "");

	if (switch_core_codec_init(&context->audio_codec,
							   get_audio_codec_name(context->audio_type),
							   NULL,
							   NULL,
							   handle->samplerate,
							   20,//ms
							   handle->channels, SWITCH_CODEC_FLAG_ENCODE,
							   NULL, handle->memory_pool) == SWITCH_STATUS_SUCCESS) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Audio Codec Activation Success\n");
	} else {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Audio Codec Activation Fail\n");
		goto end;
	}

	if (switch_test_flag(handle, SWITCH_FILE_FLAG_VIDEO)) {
		if (switch_core_codec_init(&context->video_codec,
								   "H264",
								   NULL,
								   NULL,
								   90000,
								   0,//ms
								   1, SWITCH_CODEC_FLAG_ENCODE,
								   NULL, handle->memory_pool) == SWITCH_STATUS_SUCCESS) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Video Codec H264 Activation Success\n");
		} else {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Video Codec H264 Activation Fail\n");
			goto end;
		}
	}

	if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
		MP4SetAudioProfileLevel(context->fd, 0x7F);
	}

	switch_buffer_create_dynamic(&context->buf, 512, 512, 1024000);

	return SWITCH_STATUS_SUCCESS;

end:
	if (context->fd) {
		MP4Close(context->fd, 0);
		context->fd = NULL;
	}
	return SWITCH_STATUS_FALSE;
}
static void *SWITCH_THREAD_FUNC read_stream_thread(switch_thread_t *thread, void *obj)
{
	local_stream_source_t *source = obj;
	switch_file_handle_t fh = { 0 };
	local_stream_context_t *cp;
	char file_buf[128] = "", path_buf[512] = "";
	switch_timer_t timer = { 0 };
	int fd = -1;
	switch_buffer_t *audio_buffer;
	switch_byte_t *dist_buf;
	switch_size_t used;
	int skip = 0;
	switch_memory_pool_t *temp_pool = NULL;

	switch_mutex_lock(globals.mutex);
	THREADS++;
	switch_mutex_unlock(globals.mutex);

	if (!source->prebuf) {
		source->prebuf = DEFAULT_PREBUFFER_SIZE;
	}

	switch_buffer_create_dynamic(&audio_buffer, 1024, source->prebuf + 10, 0);
	dist_buf = switch_core_alloc(source->pool, source->prebuf + 10);

	if (source->shuffle) {
		skip = do_rand();
	}

	switch_thread_rwlock_create(&source->rwlock, source->pool);

	if (RUNNING) {
		switch_mutex_lock(globals.mutex);
		switch_core_hash_insert(globals.source_hash, source->name, source);
		switch_mutex_unlock(globals.mutex);
		source->ready = 1;
	}

	while (RUNNING && !source->stopped) {
		const char *fname;

		if (temp_pool) {
			switch_core_destroy_memory_pool(&temp_pool);
		}

		if (switch_core_new_memory_pool(&temp_pool) != SWITCH_STATUS_SUCCESS) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error creating pool");
			goto done;
		}

		if (switch_dir_open(&source->dir_handle, source->location, temp_pool) != SWITCH_STATUS_SUCCESS) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Can't open directory: %s\n", source->location);
			goto done;
		}

		switch_yield(1000000);

		while (RUNNING) {
			switch_size_t olen;
			uint8_t abuf[SWITCH_RECOMMENDED_BUFFER_SIZE] = { 0 };

			if (fd > -1) {
				char *p;
				if (switch_fd_read_line(fd, path_buf, sizeof(path_buf))) {
					if ((p = strchr(path_buf, '\r')) || (p = strchr(path_buf, '\n'))) {
						*p = '\0';
					}
				} else {
					close(fd);
					fd = -1;
					continue;
				}
			} else {
				if (!(fname = switch_dir_next_file(source->dir_handle, file_buf, sizeof(file_buf)))) {
					break;
				}

				switch_snprintf(path_buf, sizeof(path_buf), "%s%s%s", source->location, SWITCH_PATH_SEPARATOR, fname);

				if (switch_stristr(".loc", path_buf)) {
					if ((fd = open(path_buf, O_RDONLY)) < 0) {
						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't open %s\n", fname);
						switch_yield(1000000);
					}
					continue;
				}
			}

			if (skip > 0) {
				skip--;
				continue;
			}

			fname = path_buf;
			fh.prebuf = source->prebuf;
			fh.pre_buffer_datalen = source->prebuf;

			if (switch_core_file_open(&fh,
									  (char *) fname,
									  source->channels, source->rate, SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't open %s\n", fname);
				switch_yield(1000000);
				continue;
			}

			if (switch_core_timer_init(&timer, source->timer_name, source->interval, source->samples, temp_pool) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Can't start timer.\n");
				switch_dir_close(source->dir_handle);
				source->dir_handle = NULL;
				goto done;
			}

			while (RUNNING) {
				int is_open;
				switch_file_handle_t *use_fh = &fh;

				switch_core_timer_next(&timer);
				olen = source->samples;

				if (source->chime_total) {

					if (source->chime_counter > 0) {
						source->chime_counter -= source->samples;
					}

					if (!switch_test_flag((&source->chime_fh), SWITCH_FILE_OPEN) && source->chime_counter <= 0) {
						char *val;

						val = source->chime_list[source->chime_cur++];

						if (source->chime_cur >= source->chime_total) {
							source->chime_cur = 0;
						}

						if (switch_core_file_open(&source->chime_fh,
												  (char *) val,
												  source->channels,
												  source->rate, SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
							switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't open %s\n", val);
						}
					}

					if (switch_test_flag((&source->chime_fh), SWITCH_FILE_OPEN)) {
						use_fh = &source->chime_fh;
					}
				}

			  retry:

				is_open = switch_test_flag(use_fh, SWITCH_FILE_OPEN);

				if (is_open) {
					if (switch_core_file_read(use_fh, abuf, &olen) != SWITCH_STATUS_SUCCESS || !olen) {
						switch_core_file_close(use_fh);
						if (use_fh == &source->chime_fh) {
							source->chime_counter = source->rate * source->chime_freq;
						}
						is_open = 0;
					} else {
						if (use_fh == &source->chime_fh && source->chime_max) {
							source->chime_max_counter += source->samples;
							if (source->chime_max_counter >= source->chime_max) {
								source->chime_max_counter = 0;
								switch_core_file_close(use_fh);
								source->chime_counter = source->rate * source->chime_freq;
								use_fh = &fh;
								goto retry;
							}
						}

						switch_buffer_write(audio_buffer, abuf, olen * 2);
					}
				}

				used = switch_buffer_inuse(audio_buffer);

				if (!used && !is_open) {
					break;
				}

				if (!is_open || used >= source->prebuf || (source->total && used > source->samples * 2)) {
					used = switch_buffer_read(audio_buffer, dist_buf, source->samples * 2);
					if (source->total) {

						switch_mutex_lock(source->mutex);
						for (cp = source->context_list; cp && RUNNING; cp = cp->next) {
							if (switch_test_flag(cp->handle, SWITCH_FILE_CALLBACK)) {
								continue;
							}
							switch_mutex_lock(cp->audio_mutex);
							if (switch_buffer_inuse(cp->audio_buffer) > source->samples * 768) {
								switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Leaking stream handle! [%s() %s:%d]\n", cp->func, cp->file,
												  cp->line);
								switch_buffer_zero(cp->audio_buffer);
							} else {
								switch_buffer_write(cp->audio_buffer, dist_buf, used);
							}
							switch_mutex_unlock(cp->audio_mutex);
						}
						switch_mutex_unlock(source->mutex);
					}
				}
			}

			switch_core_timer_destroy(&timer);
			if (RUNNING && source->shuffle) {
				skip = do_rand();
			}
		}

		switch_dir_close(source->dir_handle);
		source->dir_handle = NULL;
	}

  done:

	if (switch_test_flag((&fh), SWITCH_FILE_OPEN)) {
		switch_core_file_close(&fh);
	}

	if (switch_test_flag((&source->chime_fh), SWITCH_FILE_OPEN)) {
		switch_core_file_close(&source->chime_fh);
	}

	source->ready = 0;
	switch_mutex_lock(globals.mutex);
	switch_core_hash_delete(globals.source_hash, source->name);
	switch_mutex_unlock(globals.mutex);

	switch_thread_rwlock_wrlock(source->rwlock);
	switch_thread_rwlock_unlock(source->rwlock);

	switch_buffer_destroy(&audio_buffer);

	if (fd > -1) {
		close(fd);
	}

	if (temp_pool) {
		switch_core_destroy_memory_pool(&temp_pool);
	}

	switch_core_destroy_memory_pool(&source->pool);

	switch_mutex_lock(globals.mutex);
	THREADS--;
	switch_mutex_unlock(globals.mutex);

	return NULL;
}
Esempio n. 7
0
void do_telecast(switch_stream_handle_t *stream)
{
	char *path_info = switch_event_get_header(stream->param_event, "http-path-info");
	char *uuid = strdup(path_info + 4);
	switch_core_session_t *tsession;
	char *fname = "stream.mp3";

	if ((fname = strchr(uuid, '/'))) {
		*fname++ = '\0';
	}

	if (!(tsession = switch_core_session_locate(uuid))) {
		char *ref = switch_event_get_header(stream->param_event, "http-referer");
		stream->write_function(stream, "Content-type: text/html\r\n\r\n<h2>Not Found!</h2>\n" "<META http-equiv=\"refresh\" content=\"1;URL=%s\">", ref);
	} else {
		switch_media_bug_t *bug = NULL;
		switch_buffer_t *buffer = NULL;
		switch_mutex_t *mutex;
		switch_channel_t *channel = switch_core_session_get_channel(tsession);
		lame_global_flags *gfp = NULL;
		switch_codec_implementation_t read_impl = { 0 };
		switch_core_session_get_read_impl(tsession, &read_impl);

		if (switch_channel_test_flag(channel, CF_PROXY_MODE)) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Stepping into media path so this will work!\n");
			switch_ivr_media(uuid, SMF_REBRIDGE);
		}

		if (!(gfp = lame_init())) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate lame\n");
			goto end;
		}
		lame_set_num_channels(gfp, read_impl.number_of_channels);
		lame_set_in_samplerate(gfp, read_impl.actual_samples_per_second);
		lame_set_brate(gfp, 16 * (read_impl.actual_samples_per_second / 8000) * read_impl.number_of_channels);
		lame_set_mode(gfp, 3);
		lame_set_quality(gfp, 2);
		lame_set_errorf(gfp, log_error);
		lame_set_debugf(gfp, log_debug);
		lame_set_msgf(gfp, log_msg);
		lame_set_bWriteVbrTag(gfp, 0);
		lame_mp3_tags_fid(gfp, NULL);
		lame_init_params(gfp);
		lame_print_config(gfp);

		switch_mutex_init(&mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(tsession));
		switch_buffer_create_dynamic(&buffer, 1024, 2048, 0);
		switch_buffer_add_mutex(buffer, mutex);

		if (switch_core_media_bug_add(tsession, "telecast", NULL,
									  telecast_callback, buffer, 0,
									  SMBF_READ_STREAM | SMBF_WRITE_STREAM | SMBF_READ_PING, &bug) != SWITCH_STATUS_SUCCESS) {
			goto end;
		}

		stream->write_function(stream, "Content-type: audio/mpeg\r\n" "Content-Disposition: inline; filename=\"%s\"\r\n\r\n", fname);

		while (switch_channel_ready(channel)) {
			unsigned char mp3buf[TC_BUFFER_SIZE] = "";
			int rlen;
			uint8_t buf[1024];
			switch_size_t bytes = 0;

			if (switch_buffer_inuse(buffer) >= 1024) {
				switch_buffer_lock(buffer);
				bytes = switch_buffer_read(buffer, buf, sizeof(buf));
				switch_buffer_unlock(buffer);
			} else {
				if (!bytes) {
					switch_cond_next();
					continue;
				}
				memset(buf, 0, bytes);
			}

			if ((rlen = lame_encode_buffer(gfp, (void *) buf, NULL, bytes / 2, mp3buf, sizeof(mp3buf))) < 0) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "MP3 encode error %d!\n", rlen);
				goto end;
			}

			if (rlen) {
				if (stream->raw_write_function(stream, mp3buf, rlen)) {
					switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Disconnected\n");
					goto end;
				}
			}
		}

	  end:

		switch_safe_free(uuid);

		if (gfp) {
			lame_close(gfp);
			gfp = NULL;
		}

		if (bug) {
			switch_core_media_bug_remove(tsession, &bug);
		}

		if (buffer) {
			switch_buffer_destroy(&buffer);
		}

		switch_core_session_rwunlock(tsession);
	}
}
Esempio n. 8
0
/**
 * Wraps file with interface that can be controlled by fileman flags
 * @param handle
 * @param path the file to play
 * @return SWITCH_STATUS_SUCCESS if opened
 */
static switch_status_t fileman_file_open(switch_file_handle_t *handle, const char *path)
{
	int start_offset_ms = 0;
	switch_status_t status = SWITCH_STATUS_FALSE;
	struct fileman_file_context *context = switch_core_alloc(handle->memory_pool, sizeof(*context));
	handle->private_info = context;

	if (handle->params) {
		const char *id = switch_event_get_header(handle->params, "id");
		const char *uuid = switch_event_get_header(handle->params, "session");
		const char *start_offset_ms_str = switch_event_get_header(handle->params, "start_offset_ms");
		if (!zstr(id)) {
			context->id = switch_core_strdup(handle->memory_pool, id);
		}
		if (!zstr(uuid)) {
			context->uuid = switch_core_strdup(handle->memory_pool, uuid);
		}
		if (!zstr(start_offset_ms_str) && switch_is_number(start_offset_ms_str)) {
			start_offset_ms = atoi(start_offset_ms_str);
			if (start_offset_ms < 0) {
				start_offset_ms = 0;
			}
		}
	}

	switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Got path %s\n", path);

	if ((status = switch_core_file_open(&context->fh, path, handle->channels, handle->samplerate, handle->flags, NULL)) != SWITCH_STATUS_SUCCESS) {
		return status;
	}

	/* set up handle for external control */
	if (!context->id) {
		/* use filename as ID */
		context->id = switch_core_strdup(handle->memory_pool, path);
	}
	switch_mutex_lock(fileman_globals.mutex);
	if (!switch_core_hash_find(fileman_globals.hash, context->id)) {
		switch_core_hash_insert(fileman_globals.hash, context->id, handle);
	} else {
		switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_WARNING, "Duplicate fileman ID: %s\n", context->id);
		return SWITCH_STATUS_FALSE;
	}
	switch_mutex_unlock(fileman_globals.mutex);

	context->max_frame_len = (handle->samplerate / 1000 * SWITCH_MAX_INTERVAL);
	switch_zmalloc(context->abuf, FILE_STARTBYTES * sizeof(*context->abuf));

	if (!context->fh.audio_buffer) {
		switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Create audio buffer\n");
		switch_buffer_create_dynamic(&context->fh.audio_buffer, FILE_BLOCKSIZE, FILE_BUFSIZE, 0);
		switch_assert(context->fh.audio_buffer);
	}

	handle->samples = context->fh.samples;
	handle->format = context->fh.format;
	handle->sections = context->fh.sections;
	handle->seekable = context->fh.seekable;
	handle->speed = context->fh.speed;
	handle->vol = context->fh.vol;
	handle->offset_pos = context->fh.offset_pos;
	handle->interval = context->fh.interval;

	if (switch_test_flag((&context->fh), SWITCH_FILE_NATIVE)) {
		switch_set_flag(handle, SWITCH_FILE_NATIVE);
	} else {
		switch_clear_flag(handle, SWITCH_FILE_NATIVE);
	}

	if (handle->params && switch_true(switch_event_get_header(handle->params, "pause"))) {
		switch_set_flag(handle, SWITCH_FILE_PAUSE);
	}

	if (handle->seekable && start_offset_ms) {
		unsigned int pos = 0;
		int32_t target = start_offset_ms * (handle->samplerate / 1000);
		switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "seek to position %d\n", target);
		switch_core_file_seek(&context->fh, &pos, target, SEEK_SET);
	}

	return status;
}
Esempio n. 9
0
SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags,
																int stream_id)
{

	switch_status_t status = SWITCH_STATUS_FALSE;
	switch_frame_t *enc_frame = NULL, *write_frame = frame;
	unsigned int flag = 0, need_codec = 0, perfect = 0, do_bugs = 0, do_write = 0, do_resample = 0, ptime_mismatch = 0, pass_cng = 0, resample = 0;
	int did_write_resample = 0;

	switch_assert(session != NULL);
	switch_assert(frame != NULL);

	if (!switch_channel_ready(session->channel)) {
		return SWITCH_STATUS_FALSE;
	}

	if (switch_mutex_trylock(session->codec_write_mutex) == SWITCH_STATUS_SUCCESS) {
		switch_mutex_unlock(session->codec_write_mutex);
	} else {
		return SWITCH_STATUS_SUCCESS;
	}

	if (switch_test_flag(frame, SFF_CNG)) {
		if (switch_channel_test_flag(session->channel, CF_ACCEPT_CNG)) {
			pass_cng = 1;
		} else {
			return SWITCH_STATUS_SUCCESS;
		}
	}

	if (!(session->write_codec && switch_core_codec_ready(session->write_codec)) && !pass_cng) {
		switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s has no write codec.\n", switch_channel_get_name(session->channel));
		switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION);
		return SWITCH_STATUS_FALSE;
	}

	if (switch_channel_test_flag(session->channel, CF_HOLD)) {
		return SWITCH_STATUS_SUCCESS;
	}

	if (switch_test_flag(frame, SFF_PROXY_PACKET) || pass_cng) {
		/* Fast PASS! */
		switch_mutex_lock(session->codec_write_mutex);
		status = perform_write(session, frame, flag, stream_id);
		switch_mutex_unlock(session->codec_write_mutex);
		return status;
	}

	switch_mutex_lock(session->codec_write_mutex);

	if (!(frame->codec && frame->codec->implementation)) {
		switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s has received a bad frame with no codec!\n", 
						  switch_channel_get_name(session->channel));
		switch_channel_hangup(session->channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
		switch_mutex_unlock(session->codec_write_mutex);
		return SWITCH_STATUS_FALSE;
	}

	switch_assert(frame->codec != NULL);
	switch_assert(frame->codec->implementation != NULL);

	if (!(switch_core_codec_ready(session->write_codec) && frame->codec) ||
		!switch_channel_ready(session->channel) || !switch_channel_media_ready(session->channel)) {
		switch_mutex_unlock(session->codec_write_mutex);
		return SWITCH_STATUS_FALSE;
	}

	switch_mutex_lock(session->write_codec->mutex);
	switch_mutex_lock(frame->codec->mutex);

	if (!(switch_core_codec_ready(session->write_codec) && switch_core_codec_ready(frame->codec))) goto error;
	
	if ((session->write_codec && frame->codec && session->write_codec->implementation != frame->codec->implementation)) {
		if (session->write_impl.codec_id == frame->codec->implementation->codec_id ||
			session->write_impl.microseconds_per_packet != frame->codec->implementation->microseconds_per_packet) {
			ptime_mismatch = TRUE;
			if ((switch_test_flag(frame->codec, SWITCH_CODEC_FLAG_PASSTHROUGH) || switch_test_flag(session->read_codec, SWITCH_CODEC_FLAG_PASSTHROUGH)) ||
				switch_channel_test_flag(session->channel, CF_PASSTHRU_PTIME_MISMATCH)) {
				status = perform_write(session, frame, flags, stream_id);
				goto error;
			}
		}
		need_codec = TRUE;
	}

	if (session->write_codec && !frame->codec) {
		need_codec = TRUE;
	}

	if (session->bugs && !need_codec) {
		do_bugs = TRUE;
		need_codec = TRUE;
	}

	if (frame->codec->implementation->actual_samples_per_second != session->write_impl.actual_samples_per_second) {
		need_codec = TRUE;
		do_resample = TRUE;
	}

	if (switch_test_flag(session, SSF_WRITE_TRANSCODE) && !need_codec && switch_core_codec_ready(session->write_codec)) {
		switch_core_session_t *other_session;
		const char *uuid = switch_channel_get_variable(switch_core_session_get_channel(session), SWITCH_SIGNAL_BOND_VARIABLE);

		if (uuid && (other_session = switch_core_session_locate(uuid))) {
			switch_set_flag(other_session, SSF_READ_CODEC_RESET);
			switch_set_flag(other_session, SSF_READ_CODEC_RESET);
			switch_set_flag(other_session, SSF_WRITE_CODEC_RESET);
			switch_core_session_rwunlock(other_session);
		}
		
		switch_clear_flag(session, SSF_WRITE_TRANSCODE);
	}


	if (switch_test_flag(session, SSF_WRITE_CODEC_RESET)) {
		switch_core_codec_reset(session->write_codec);
		switch_clear_flag(session, SSF_WRITE_CODEC_RESET);
	}

	if (!need_codec) {
		do_write = TRUE;
		write_frame = frame;
		goto done;
	}

	if (!switch_test_flag(session, SSF_WARN_TRANSCODE)) {
		switch_core_session_message_t msg = { 0 };

		msg.message_id = SWITCH_MESSAGE_INDICATE_TRANSCODING_NECESSARY;
		switch_core_session_receive_message(session, &msg);
		switch_set_flag(session, SSF_WARN_TRANSCODE);
	}

	if (frame->codec) {
		session->raw_write_frame.datalen = session->raw_write_frame.buflen;
		status = switch_core_codec_decode(frame->codec,
										  session->write_codec,
										  frame->data,
										  frame->datalen,
										  session->write_impl.actual_samples_per_second,
										  session->raw_write_frame.data, &session->raw_write_frame.datalen, &session->raw_write_frame.rate, &frame->flags);




		if (do_resample && status == SWITCH_STATUS_SUCCESS) {
			status = SWITCH_STATUS_RESAMPLE;
		}

		switch (status) {
		case SWITCH_STATUS_RESAMPLE:
			resample++;
			write_frame = &session->raw_write_frame;
			write_frame->rate = frame->codec->implementation->actual_samples_per_second;
			if (!session->write_resampler) {
				switch_mutex_lock(session->resample_mutex);
				status = switch_resample_create(&session->write_resampler,
												frame->codec->implementation->actual_samples_per_second,
												session->write_impl.actual_samples_per_second,
												session->write_impl.decoded_bytes_per_packet, SWITCH_RESAMPLE_QUALITY, 1);


				switch_mutex_unlock(session->resample_mutex);
				if (status != SWITCH_STATUS_SUCCESS) {
					goto done;
				}
			}
			break;
		case SWITCH_STATUS_SUCCESS:
			session->raw_write_frame.samples = session->raw_write_frame.datalen / sizeof(int16_t);
			session->raw_write_frame.timestamp = frame->timestamp;
			session->raw_write_frame.rate = frame->rate;
			session->raw_write_frame.m = frame->m;
			session->raw_write_frame.ssrc = frame->ssrc;
			session->raw_write_frame.seq = frame->seq;
			session->raw_write_frame.payload = frame->payload;
			session->raw_write_frame.flags = 0;
			if (switch_test_flag(frame, SFF_PLC)) {
				session->raw_write_frame.flags |= SFF_PLC;
			}

			write_frame = &session->raw_write_frame;
			break;
		case SWITCH_STATUS_BREAK:
			status = SWITCH_STATUS_SUCCESS;
			goto error;
		case SWITCH_STATUS_NOOP:
			if (session->write_resampler) {
				switch_mutex_lock(session->resample_mutex);
				switch_resample_destroy(&session->write_resampler);
				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_NOTICE, "Deactivating write resampler\n");
				switch_mutex_unlock(session->resample_mutex);
			}
			write_frame = frame;
			status = SWITCH_STATUS_SUCCESS;
			break;
		default:
			if (status == SWITCH_STATUS_NOT_INITALIZED) {
				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec init error!\n");
				goto error;
			}
			if (ptime_mismatch) {
				status = perform_write(session, frame, flags, stream_id);
				status = SWITCH_STATUS_SUCCESS;
				goto error;
			}

			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec %s decoder error!\n",
							  frame->codec->codec_interface->interface_name);
			goto error;
		}
	}



	if (session->write_resampler) {
		short *data = write_frame->data;

		switch_mutex_lock(session->resample_mutex);
		if (session->write_resampler) {

			switch_resample_process(session->write_resampler, data, write_frame->datalen / 2);

			memcpy(data, session->write_resampler->to, session->write_resampler->to_len * 2);

			write_frame->samples = session->write_resampler->to_len;

			write_frame->datalen = write_frame->samples * 2;

			write_frame->rate = session->write_resampler->to_rate;

			did_write_resample = 1;
		}
		switch_mutex_unlock(session->resample_mutex);
	}



	if (session->bugs) {
		switch_media_bug_t *bp;
		int prune = 0;

		switch_thread_rwlock_rdlock(session->bug_rwlock);
		for (bp = session->bugs; bp; bp = bp->next) {
			switch_bool_t ok = SWITCH_TRUE;
			if (!bp->ready) {
				continue;
			}

			if (switch_channel_test_flag(session->channel, CF_PAUSE_BUGS) && !switch_core_media_bug_test_flag(bp, SMBF_NO_PAUSE)) {
				continue;
			}

			if (!switch_channel_test_flag(session->channel, CF_ANSWERED) && switch_core_media_bug_test_flag(bp, SMBF_ANSWER_REQ)) {
				continue;
			}

			if (switch_test_flag(bp, SMBF_PRUNE)) {
				prune++;
				continue;
			}

			if (switch_test_flag(bp, SMBF_WRITE_STREAM)) {

				switch_mutex_lock(bp->write_mutex);
				switch_buffer_write(bp->raw_write_buffer, write_frame->data, write_frame->datalen);
				switch_mutex_unlock(bp->write_mutex);
				if (bp->callback) {
					ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_WRITE);
				}
			}

			if (switch_test_flag(bp, SMBF_WRITE_REPLACE)) {
				do_bugs = 0;
				if (bp->callback) {
					bp->write_replace_frame_in = write_frame;
					bp->write_replace_frame_out = write_frame;
					if ((ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_WRITE_REPLACE)) == SWITCH_TRUE) {
						write_frame = bp->write_replace_frame_out;
					}
				}
			}

			if (bp->stop_time && bp->stop_time <= switch_epoch_time_now(NULL)) {
				ok = SWITCH_FALSE;
			}


			if (ok == SWITCH_FALSE) {
				switch_set_flag(bp, SMBF_PRUNE);
				prune++;
			}
		}
		switch_thread_rwlock_unlock(session->bug_rwlock);
		if (prune) {
			switch_core_media_bug_prune(session);
		}
	}

	if (do_bugs) {
		do_write = TRUE;
		write_frame = frame;
		goto done;
	}

	if (session->write_codec) {
		if (!ptime_mismatch && write_frame->codec && write_frame->codec->implementation &&
			write_frame->codec->implementation->decoded_bytes_per_packet == session->write_impl.decoded_bytes_per_packet) {
			perfect = TRUE;
		}



		if (perfect) {

			if (write_frame->datalen < session->write_impl.decoded_bytes_per_packet) {
				memset(write_frame->data, 255, session->write_impl.decoded_bytes_per_packet - write_frame->datalen);
				write_frame->datalen = session->write_impl.decoded_bytes_per_packet;
			}

			enc_frame = write_frame;
			session->enc_write_frame.datalen = session->enc_write_frame.buflen;

			status = switch_core_codec_encode(session->write_codec,
											  frame->codec,
											  enc_frame->data,
											  enc_frame->datalen,
											  session->write_impl.actual_samples_per_second,
											  session->enc_write_frame.data, &session->enc_write_frame.datalen, &session->enc_write_frame.rate, &flag);




			switch (status) {
			case SWITCH_STATUS_RESAMPLE:
				resample++;
				/* switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Fixme 2\n"); */
			case SWITCH_STATUS_SUCCESS:
				session->enc_write_frame.codec = session->write_codec;
				session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t);
				if (frame->codec->implementation->samples_per_packet != session->write_impl.samples_per_packet) {
					session->enc_write_frame.timestamp = 0;
				} else {
					session->enc_write_frame.timestamp = frame->timestamp;
				}
				session->enc_write_frame.payload = session->write_impl.ianacode;
				session->enc_write_frame.m = frame->m;
				session->enc_write_frame.ssrc = frame->ssrc;
				session->enc_write_frame.seq = frame->seq;
				write_frame = &session->enc_write_frame;
				break;
			case SWITCH_STATUS_NOOP:
				enc_frame->codec = session->write_codec;
				enc_frame->samples = enc_frame->datalen / sizeof(int16_t);
				enc_frame->timestamp = frame->timestamp;
				enc_frame->m = frame->m;
				enc_frame->seq = frame->seq;
				enc_frame->ssrc = frame->ssrc;
				enc_frame->payload = enc_frame->codec->implementation->ianacode;
				write_frame = enc_frame;
				status = SWITCH_STATUS_SUCCESS;
				break;
			case SWITCH_STATUS_NOT_INITALIZED:
				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec init error!\n");
				write_frame = NULL;
				goto error;
			default:
				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec %s encoder error!\n",
								  session->read_codec->codec_interface->interface_name);
				write_frame = NULL;
				goto error;
			}
			if (flag & SFF_CNG) {
				switch_set_flag(write_frame, SFF_CNG);
			}

			status = perform_write(session, write_frame, flags, stream_id);
			goto error;
		} else {
			if (!session->raw_write_buffer) {
				switch_size_t bytes_per_packet = session->write_impl.decoded_bytes_per_packet;
				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG,
								  "Engaging Write Buffer at %u bytes to accommodate %u->%u\n",
								  (uint32_t) bytes_per_packet, write_frame->datalen, session->write_impl.decoded_bytes_per_packet);
				if ((status = switch_buffer_create_dynamic(&session->raw_write_buffer,
														   bytes_per_packet * SWITCH_BUFFER_BLOCK_FRAMES,
														   bytes_per_packet * SWITCH_BUFFER_START_FRAMES, 0)) != SWITCH_STATUS_SUCCESS) {
					switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Write Buffer Failed!\n");
					goto error;
				}
			}

			if (!(switch_buffer_write(session->raw_write_buffer, write_frame->data, write_frame->datalen))) {
				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Write Buffer %u bytes Failed!\n", write_frame->datalen);
				status = SWITCH_STATUS_MEMERR;
				goto error;
			}

			status = SWITCH_STATUS_SUCCESS;

			while (switch_buffer_inuse(session->raw_write_buffer) >= session->write_impl.decoded_bytes_per_packet) {
				int rate;

				if (switch_channel_down(session->channel) || !session->raw_write_buffer) {
					goto error;
				}
				if ((session->raw_write_frame.datalen = (uint32_t)
					 switch_buffer_read(session->raw_write_buffer, session->raw_write_frame.data, session->write_impl.decoded_bytes_per_packet)) == 0) {
					goto error;
				}

				enc_frame = &session->raw_write_frame;
				session->raw_write_frame.rate = session->write_impl.actual_samples_per_second;
				session->enc_write_frame.datalen = session->enc_write_frame.buflen;
				session->enc_write_frame.timestamp = 0;


				if (frame->codec && frame->codec->implementation && switch_core_codec_ready(frame->codec)) {
					rate = frame->codec->implementation->actual_samples_per_second;
				} else {
					rate = session->write_impl.actual_samples_per_second;
				}

				status = switch_core_codec_encode(session->write_codec,
												  frame->codec,
												  enc_frame->data,
												  enc_frame->datalen,
												  rate,
												  session->enc_write_frame.data, &session->enc_write_frame.datalen, &session->enc_write_frame.rate, &flag);


				switch (status) {
				case SWITCH_STATUS_RESAMPLE:
					resample++;
					session->enc_write_frame.codec = session->write_codec;
					session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t);
					session->enc_write_frame.m = frame->m;
					session->enc_write_frame.ssrc = frame->ssrc;
					session->enc_write_frame.payload = session->write_impl.ianacode;
					write_frame = &session->enc_write_frame;
					if (!session->write_resampler) {
						switch_mutex_lock(session->resample_mutex);
						if (!session->write_resampler) {
							status = switch_resample_create(&session->write_resampler,
															frame->codec->implementation->actual_samples_per_second,
															session->write_impl.actual_samples_per_second,
															session->write_impl.decoded_bytes_per_packet, SWITCH_RESAMPLE_QUALITY, 1);
						}
						switch_mutex_unlock(session->resample_mutex);



						if (status != SWITCH_STATUS_SUCCESS) {
							goto done;
						}
					}
					break;
				case SWITCH_STATUS_SUCCESS:
					session->enc_write_frame.codec = session->write_codec;
					session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t);
					session->enc_write_frame.m = frame->m;
					session->enc_write_frame.ssrc = frame->ssrc;
					session->enc_write_frame.payload = session->write_impl.ianacode;
					write_frame = &session->enc_write_frame;
					break;
				case SWITCH_STATUS_NOOP:
					if (session->write_resampler) {
						switch_mutex_lock(session->resample_mutex);
						if (session->write_resampler) {
							switch_resample_destroy(&session->write_resampler);
							switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_NOTICE, "Deactivating write resampler\n");
						}
						switch_mutex_unlock(session->resample_mutex);
					}
					enc_frame->codec = session->write_codec;
					enc_frame->samples = enc_frame->datalen / sizeof(int16_t);
					enc_frame->m = frame->m;
					enc_frame->ssrc = frame->ssrc;
					enc_frame->payload = enc_frame->codec->implementation->ianacode;
					write_frame = enc_frame;
					status = SWITCH_STATUS_SUCCESS;
					break;
				case SWITCH_STATUS_NOT_INITALIZED:
					switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec init error!\n");
					write_frame = NULL;
					goto error;
				default:
					switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec %s encoder error %d!\n",
									  session->read_codec->codec_interface->interface_name, status);
					write_frame = NULL;
					goto error;
				}

				if (!did_write_resample && session->read_resampler) {
					short *data = write_frame->data;
					switch_mutex_lock(session->resample_mutex);
					if (session->read_resampler) {
						switch_resample_process(session->read_resampler, data, write_frame->datalen / 2);
						memcpy(data, session->read_resampler->to, session->read_resampler->to_len * 2);
						write_frame->samples = session->read_resampler->to_len;
						write_frame->datalen = session->read_resampler->to_len * 2;
						write_frame->rate = session->read_resampler->to_rate;
					}
					switch_mutex_unlock(session->resample_mutex);

				}

				if (flag & SFF_CNG) {
					switch_set_flag(write_frame, SFF_CNG);
				}

				if (ptime_mismatch || resample) {
					write_frame->timestamp = 0;
				}

				if ((status = perform_write(session, write_frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
					break;
				}

			}

			goto error;
		}
	}





  done:

	if (ptime_mismatch || resample) {
		write_frame->timestamp = 0;
	}

	if (do_write) {
		status = perform_write(session, write_frame, flags, stream_id);
	}

  error:

	switch_mutex_unlock(session->write_codec->mutex);
	switch_mutex_unlock(frame->codec->mutex);
	switch_mutex_unlock(session->codec_write_mutex);

	return status;
}
static switch_status_t portaudio_stream_file_open(switch_file_handle_t *handle, const char *path)
{
	portaudio_stream_context_t *context;
	portaudio_stream_source_t *source;
	switch_memory_pool_t *pool;
	switch_status_t status = SWITCH_STATUS_FALSE;
	switch_thread_t *thread;
	switch_threadattr_t *thd_attr = NULL;
	uint32_t rate = PREFERRED_RATE;
	char *npath;
	int devNumber;
	int tmp;

	handle->pre_buffer_datalen = 0;

	if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "This format does not support writing! (yet)\n");
		return status;
	}

	npath = switch_core_strdup(module_pool, path);

	tmp = handle->samplerate;
	if (tmp == 8000 || tmp == 16000 || tmp == 32000 || tmp == 48000) {
		rate = tmp;
	}

	if (*path == '#') {
		devNumber = get_dev_by_number(npath + 1, 1);
	} else {
		devNumber = get_dev_by_name(npath, 1);
	}
	npath = switch_mprintf("device-%d at %d", devNumber, rate);

	switch_mutex_lock(globals.mutex);
	source = switch_core_hash_find(globals.source_hash, npath);

	/* dev isnt there, try to start thread */
	if (!source) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, " source isnt Created, create and start thread!\n");

		if (switch_core_new_memory_pool(&pool) != SWITCH_STATUS_SUCCESS) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, " :S no pool\n");
		} else {
			source = switch_core_alloc(pool, sizeof(*source));
			if (source != NULL) {
				source->pool = pool;
				source->sourcedev = devNumber;
				source->sourcename = switch_core_strdup(source->pool, npath);
				source->rate = rate;
				source->interval = 20;
				source->channels = 1;
				source->timer_name = "soft";
				source->prebuf = DEFAULT_PREBUFFER_SIZE;
				source->stopped = 0;
				source->ready = 0;
				source->samples = switch_samples_per_packet(source->rate, source->interval);

				switch_mutex_init(&source->mutex, SWITCH_MUTEX_NESTED, source->pool);

				switch_threadattr_create(&thd_attr, source->pool);
				switch_threadattr_detach_set(thd_attr, 1);

				switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
				switch_thread_create(&thread, thd_attr, read_stream_thread, source, source->pool);
			}
		}
	}
	switch_mutex_unlock(globals.mutex);
	switch_yield(1000000);
	/* dev already engaged */
	if (source) {

		/*wait for source to be ready */
		while (source->ready == 0) {
			switch_yield(100000);
		}

		if (switch_thread_rwlock_tryrdlock(source->rwlock) != SWITCH_STATUS_SUCCESS) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, " error rwlock !\n");
			source = NULL;
		}
	}

	if (source) {
		status = SWITCH_STATUS_SUCCESS;

		if ((context = switch_core_alloc(handle->memory_pool, sizeof(*context))) == 0) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, " error allocating context!\n");
			status = SWITCH_STATUS_MEMERR;
		} else {
			/* everything goes fine at this point */
			handle->samples = 0;
			handle->samplerate = source->rate;
			handle->channels = 1;
			handle->format = 0;
			handle->sections = 0;
			handle->seekable = 0;
			handle->speed = 0;
			handle->private_info = context;
			handle->interval = source->interval;

			switch_mutex_init(&context->audio_mutex, SWITCH_MUTEX_NESTED, handle->memory_pool);
			if (switch_buffer_create_dynamic(&context->audio_buffer, 512, 1024, 0) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
				status = SWITCH_STATUS_MEMERR;
			} else {
				/* context created... then continue */
				context->source = source;
				context->file = handle->file;
				context->func = handle->func;
				context->line = handle->line;
				context->handle = handle;
				switch_mutex_lock(source->mutex);
				context->next = source->context_list;
				source->context_list = context;
				source->total++;
				switch_mutex_unlock(source->mutex);
			}
		}
	} else {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unknown source %s\n", path);
		status = SWITCH_STATUS_FALSE;
	}

	return status;
}
Esempio n. 11
0
SWITCH_DECLARE(switch_status_t) switch_core_perform_file_open(const char *file, const char *func, int line,
															  switch_file_handle_t *fh,
															  const char *file_path,
															  uint32_t channels, uint32_t rate, unsigned int flags, switch_memory_pool_t *pool)
{
	char *ext;
	switch_status_t status = SWITCH_STATUS_FALSE;
	char stream_name[128] = "";
	char *rhs = NULL;
	const char *spool_path = NULL;
	int is_stream = 0;
	char *fp = NULL;
	int to = 0;

	if (switch_test_flag(fh, SWITCH_FILE_OPEN)) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Handle already open\n");
		return SWITCH_STATUS_FALSE;
	}

	fh->samples_in = 0;

	if (!fh->samplerate) {
		if (!(fh->samplerate = rate)) {
			fh->samplerate = 8000;
		}
	}

	if (zstr(file_path)) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Filename\n");
		return SWITCH_STATUS_FALSE;
	}

	fh->flags = flags;

	if (pool) {
		fh->memory_pool = pool;
	} else {
		if ((status = switch_core_new_memory_pool(&fh->memory_pool)) != SWITCH_STATUS_SUCCESS) {
			UNPROTECT_INTERFACE(fh->file_interface);
			return status;
		}
		switch_set_flag(fh, SWITCH_FILE_FLAG_FREE_POOL);
	}

	if (*file_path == '{') {
		char *timeout;
		char *new_fp;
		fp = switch_core_strdup(fh->memory_pool, file_path);

		if (switch_event_create_brackets(fp, '{', '}', ',', &fh->params, &new_fp, SWITCH_FALSE) == SWITCH_STATUS_SUCCESS) {
			if ((timeout = switch_event_get_header(fh->params, "timeout"))) {
				if ((to = atoi(timeout)) < 1) {
					to = 0;
				}
			}
		} else {
			new_fp = fp;
		}

		file_path = new_fp;
	}

	if (switch_directory_exists(file_path, fh->memory_pool) == SWITCH_STATUS_SUCCESS) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "File [%s] is a directory not a file.\n", file_path);
		status = SWITCH_STATUS_GENERR;
		goto fail;
	}

	if ((rhs = strstr(file_path, SWITCH_URL_SEPARATOR))) {
		switch_copy_string(stream_name, file_path, (rhs + 1) - file_path);
		ext = stream_name;
		file_path = rhs + 3;
		fh->file_path = switch_core_strdup(fh->memory_pool, file_path);
		is_stream = 1;
	} else {
		if ((flags & SWITCH_FILE_FLAG_WRITE)) {

			char *p, *e;

			fh->file_path = switch_core_strdup(fh->memory_pool, file_path);
			p = fh->file_path;

			if (*p == '[' && *(p + 1) == *SWITCH_PATH_SEPARATOR) {
				e = switch_find_end_paren(p, '[', ']');

				if (e) {
					*e = '\0';
					spool_path = p + 1;
					fh->file_path = e + 1;
				}
			}

			if (!spool_path) {
				spool_path = switch_core_get_variable_pdup(SWITCH_AUDIO_SPOOL_PATH_VARIABLE, fh->memory_pool);
			}

			file_path = fh->file_path;
		}

		if ((ext = strrchr(file_path, '.')) == 0) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unknown file Format [%s]\n", file_path);
			switch_goto_status(SWITCH_STATUS_FALSE, fail);
		}
		ext++;
		fh->file_path = switch_core_strdup(fh->memory_pool, file_path);
	}



	if ((fh->file_interface = switch_loadable_module_get_file_interface(ext)) == 0) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid file format [%s] for [%s]!\n", ext, file_path);
		switch_goto_status(SWITCH_STATUS_GENERR, fail);
	}

	fh->file = file;
	fh->func = func;
	fh->line = line;


	if (spool_path) {
		char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
		switch_uuid_t uuid;
		switch_uuid_get(&uuid);
		switch_uuid_format(uuid_str, &uuid);

		fh->spool_path = switch_core_sprintf(fh->memory_pool, "%s%s%s.%s", spool_path, SWITCH_PATH_SEPARATOR, uuid_str, ext);
	} else {
		fh->spool_path = NULL;
	}

	if (rhs) {
		fh->handler = switch_core_strdup(fh->memory_pool, rhs);
	} else {
		fh->handler = NULL;
	}

	if (channels) {
		fh->channels = channels;
	} else {
		fh->channels = 1;
	}

	file_path = fh->spool_path ? fh->spool_path : fh->file_path;

	if ((status = fh->file_interface->file_open(fh, file_path)) != SWITCH_STATUS_SUCCESS) {
		if (fh->spool_path) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Spool dir is set.  Make sure [%s] is also a valid path\n", fh->spool_path);
		}
		UNPROTECT_INTERFACE(fh->file_interface);
		switch_goto_status(status, fail);
	}

	fh->real_channels = fh->channels;

	if (channels) {
		fh->channels = channels;
	}

	if ((flags & SWITCH_FILE_FLAG_WRITE) && !is_stream && (status = switch_file_exists(file_path, fh->memory_pool)) != SWITCH_STATUS_SUCCESS) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "File [%s] not created!\n", file_path);
		fh->file_interface->file_close(fh);
		UNPROTECT_INTERFACE(fh->file_interface);
		switch_goto_status(status, fail);
	}

	if (to) {
		fh->max_samples = (fh->samplerate / 1000) * to;
	}


	if ((flags & SWITCH_FILE_FLAG_READ)) {
		fh->native_rate = fh->samplerate;
	} else {
		fh->native_rate = rate;
	}

	if (fh->samplerate && rate && fh->samplerate != rate) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "File %s sample rate %d doesn't match requested rate %d\n", file_path, fh->samplerate, rate);
		if ((flags & SWITCH_FILE_FLAG_READ)) {
			fh->samplerate = rate;
		}
	}

	if (fh->pre_buffer_datalen) {
		//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Prebuffering %d bytes\n", (int)fh->pre_buffer_datalen);
		switch_buffer_create_dynamic(&fh->pre_buffer, fh->pre_buffer_datalen * fh->channels, fh->pre_buffer_datalen * fh->channels, 0);
		fh->pre_buffer_data = switch_core_alloc(fh->memory_pool, fh->pre_buffer_datalen * fh->channels);
	}


	if (fh->real_channels != fh->channels && (flags & SWITCH_FILE_FLAG_READ) && !(fh->flags & SWITCH_FILE_NOMUX)) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "File has %d channels, muxing to %d channel%s will occur.\n", fh->real_channels, fh->channels, fh->channels == 1 ? "" : "s");
	}

	switch_set_flag(fh, SWITCH_FILE_OPEN);
	return status;

  fail:

	switch_clear_flag(fh, SWITCH_FILE_OPEN);

	if (fh->params) {
		switch_event_destroy(&fh->params);
	}

	fh->samples_in = 0;
	fh->max_samples = 0;
	
	if (switch_test_flag(fh, SWITCH_FILE_FLAG_FREE_POOL)) {
		switch_core_destroy_memory_pool(&fh->memory_pool);
	}

	return status;
}
Esempio n. 12
0
SWITCH_DECLARE(switch_status_t) switch_core_file_read(switch_file_handle_t *fh, void *data, switch_size_t *len)
{
	switch_status_t status = SWITCH_STATUS_FALSE;
	switch_size_t want, orig_len = *len;

	switch_assert(fh != NULL);
	switch_assert(fh->file_interface != NULL);

	if (!switch_test_flag(fh, SWITCH_FILE_OPEN)) {
		return SWITCH_STATUS_FALSE;
	}

  top:

	if (fh->max_samples > 0 && fh->samples_in >= (switch_size_t)fh->max_samples) {
		*len = 0;
		return SWITCH_STATUS_FALSE;
	}

	if (fh->buffer && switch_buffer_inuse(fh->buffer) >= *len * 2 * fh->channels) {
		*len = switch_buffer_read(fh->buffer, data, orig_len * 2 * fh->channels) / 2 / fh->channels;
		return *len == 0 ? SWITCH_STATUS_FALSE : SWITCH_STATUS_SUCCESS;
	}

	if (switch_test_flag(fh, SWITCH_FILE_DONE)) {
		switch_clear_flag(fh, SWITCH_FILE_DONE);
		*len = 0;
		return SWITCH_STATUS_FALSE;
	}

	want = *len;

  more:

	if (fh->pre_buffer) {
		switch_size_t rlen;
		int asis = switch_test_flag(fh, SWITCH_FILE_NATIVE);

		if (!switch_test_flag(fh, SWITCH_FILE_BUFFER_DONE)) {
			rlen = asis ? fh->pre_buffer_datalen : fh->pre_buffer_datalen / 2 / fh->real_channels;

			if (switch_buffer_inuse(fh->pre_buffer) < rlen * 2 * fh->channels) {
				if ((status = fh->file_interface->file_read(fh, fh->pre_buffer_data, &rlen)) == SWITCH_STATUS_BREAK) {
					return SWITCH_STATUS_BREAK;
				}
				

				if (status != SWITCH_STATUS_SUCCESS || !rlen) {
					switch_set_flag(fh, SWITCH_FILE_BUFFER_DONE);
				} else {
					fh->samples_in += rlen;
					if (fh->real_channels != fh->channels && !switch_test_flag(fh, SWITCH_FILE_NOMUX)) {
						switch_mux_channels((int16_t *) fh->pre_buffer_data, rlen, fh->real_channels, fh->channels);
					}
					switch_buffer_write(fh->pre_buffer, fh->pre_buffer_data, asis ? rlen : rlen * 2 * fh->channels);
				}
			}
		}

		rlen = switch_buffer_read(fh->pre_buffer, data, asis ? *len : *len * 2 * fh->channels);
		*len = asis ? rlen : rlen / 2 / fh->channels;

		if (*len == 0) {
			switch_set_flag(fh, SWITCH_FILE_DONE);
			goto top;
		} else {
			status = SWITCH_STATUS_SUCCESS;
		}

	} else {

		if ((status = fh->file_interface->file_read(fh, data, len)) == SWITCH_STATUS_BREAK) {
			return SWITCH_STATUS_BREAK;
		}

		if (status != SWITCH_STATUS_SUCCESS || !*len) {
			switch_set_flag(fh, SWITCH_FILE_DONE);
			goto top;
		}

		fh->samples_in += *len;

		if (fh->real_channels != fh->channels && !switch_test_flag(fh, SWITCH_FILE_NOMUX)) {
			switch_mux_channels((int16_t *) data, *len, fh->real_channels, fh->channels);
		}
	}

	if (!switch_test_flag(fh, SWITCH_FILE_NATIVE) && fh->native_rate != fh->samplerate) {
		if (!fh->resampler) {
			if (switch_resample_create(&fh->resampler,
									   fh->native_rate, fh->samplerate, (uint32_t) orig_len, SWITCH_RESAMPLE_QUALITY, fh->channels) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Unable to create resampler!\n");
				return SWITCH_STATUS_GENERR;
			}
		}

		switch_resample_process(fh->resampler, data, (uint32_t) *len);

		if (fh->resampler->to_len < want || fh->resampler->to_len > orig_len) {
			if (!fh->buffer) {
				int factor = fh->resampler->to_len * fh->samplerate / 1000;
				switch_buffer_create_dynamic(&fh->buffer, factor, factor, 0);
				switch_assert(fh->buffer);
			}
			if (!fh->dbuf || fh->dbuflen < fh->resampler->to_len * 2 * fh->channels) {
				void *mem;
				fh->dbuflen = fh->resampler->to_len * 2 * fh->channels;
				mem = realloc(fh->dbuf, fh->dbuflen);
				switch_assert(mem);
				fh->dbuf = mem;
			}
			switch_assert(fh->resampler->to_len * 2 * fh->channels <= fh->dbuflen);
			memcpy((int16_t *) fh->dbuf, fh->resampler->to, fh->resampler->to_len * 2 * fh->channels);
			switch_buffer_write(fh->buffer, fh->dbuf, fh->resampler->to_len * 2 * fh->channels);

			if (switch_buffer_inuse(fh->buffer) < want * 2 * fh->channels) {
				*len = want;
				goto more;
			}
			*len = switch_buffer_read(fh->buffer, data, orig_len * 2 * fh->channels) / 2 / fh->channels;
		} else {
			memcpy(data, fh->resampler->to, fh->resampler->to_len * 2 * fh->channels);
			*len = fh->resampler->to_len;
		}


	}

	return status;
}
Esempio n. 13
0
SWITCH_DECLARE(switch_status_t) switch_core_speech_read_tts(switch_speech_handle_t *sh, void *data, switch_size_t *datalen, switch_speech_flag_t *flags)
{
    switch_status_t status;
    switch_size_t want, orig_len = *datalen;

    switch_assert(sh != NULL);

    want = *datalen;

top:

    if (sh->buffer && (switch_buffer_inuse(sh->buffer) >= orig_len || switch_test_flag(sh, SWITCH_SPEECH_FLAG_DONE))) {
        if ((*datalen = switch_buffer_read(sh->buffer, data, orig_len))) {
            return SWITCH_STATUS_SUCCESS;
        }
    }

    if (switch_test_flag(sh, SWITCH_SPEECH_FLAG_DONE)) {
        switch_clear_flag(sh, SWITCH_SPEECH_FLAG_DONE);
        *datalen = 0;
        return SWITCH_STATUS_BREAK;
    }

more:

    if ((status = sh->speech_interface->speech_read_tts(sh, data, datalen, flags)) != SWITCH_STATUS_SUCCESS) {
        switch_set_flag(sh, SWITCH_SPEECH_FLAG_DONE);
        goto top;
    }


    if (sh->native_rate && sh->samplerate && sh->native_rate != sh->samplerate) {
        if (!sh->resampler) {
            if (switch_resample_create(&sh->resampler,
                                       sh->native_rate, sh->samplerate, (uint32_t) orig_len, SWITCH_RESAMPLE_QUALITY, 1) != SWITCH_STATUS_SUCCESS) {
                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Unable to create resampler!\n");
                return SWITCH_STATUS_GENERR;
            }
        }

        switch_resample_process(sh->resampler, data, (uint32_t)(*datalen / 2));
        if (sh->resampler->to_len < want / 2 || sh->resampler->to_len > orig_len / 2) {
            if (!sh->buffer) {
                int factor = sh->resampler->to_len * sh->samplerate / 1000;
                switch_buffer_create_dynamic(&sh->buffer, factor, factor, 0);
                switch_assert(sh->buffer);
            }
            if (!sh->dbuf || sh->dbuflen < sh->resampler->to_len * 2) {
                sh->dbuflen = sh->resampler->to_len * 2;
                sh->dbuf = switch_core_alloc(sh->memory_pool, sh->dbuflen);
            }
            switch_assert(sh->resampler->to_len <= sh->dbuflen);

            memcpy((int16_t *) sh->dbuf, sh->resampler->to, sh->resampler->to_len * 2);
            switch_buffer_write(sh->buffer, sh->dbuf, sh->resampler->to_len * 2);

            if (switch_buffer_inuse(sh->buffer) < want) {
                *datalen = want;
                goto more;
            }
            *datalen = switch_buffer_read(sh->buffer, data, orig_len);
            status = SWITCH_STATUS_SUCCESS;
        } else {
            memcpy(data, sh->resampler->to, sh->resampler->to_len * 2);
            *datalen = sh->resampler->to_len * 2;
            status = SWITCH_STATUS_SUCCESS;
        }
    }

    return status;

}
static void *SWITCH_THREAD_FUNC read_stream_thread(switch_thread_t *thread, void *obj)
{
	local_stream_source_t *source = obj;
	switch_file_handle_t fh = { 0 };
	local_stream_context_t *cp;
	char file_buf[128] = "", path_buf[512] = "", last_path[512], png_buf[512] = "", tmp_buf[512] = "";
	switch_timer_t timer = { 0 };
	int fd = -1;
	switch_buffer_t *audio_buffer;
	switch_byte_t *dist_buf;
	switch_size_t used;
	int skip = 0;
	switch_memory_pool_t *temp_pool = NULL;
	uint32_t dir_count = 0, do_shuffle = 0;
	char *p;

	switch_mutex_lock(globals.mutex);
	THREADS++;
	switch_mutex_unlock(globals.mutex);

	if (!source->prebuf) {
		source->prebuf = DEFAULT_PREBUFFER_SIZE;
	}

	if (source->shuffle) {
		do_shuffle = 1;
	}

	switch_queue_create(&source->video_q, 500, source->pool);
	switch_buffer_create_dynamic(&audio_buffer, 1024, source->prebuf + 10, 0);
	dist_buf = switch_core_alloc(source->pool, source->prebuf + 10);

	switch_thread_rwlock_create(&source->rwlock, source->pool);

	if (RUNNING) {
		switch_mutex_lock(globals.mutex);
		switch_core_hash_insert(globals.source_hash, source->name, source);
		switch_mutex_unlock(globals.mutex);
		source->ready = 1;
	}

	while (RUNNING && !source->stopped) {
		const char *fname;

		if (temp_pool) {
			switch_core_destroy_memory_pool(&temp_pool);
		}

		if (switch_core_new_memory_pool(&temp_pool) != SWITCH_STATUS_SUCCESS) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error creating pool");
			goto done;
		}

		if (switch_dir_open(&source->dir_handle, source->location, temp_pool) != SWITCH_STATUS_SUCCESS) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Can't open directory: %s\n", source->location);
			goto done;
		}

		if (fd > -1) {
			dir_count = 0;
			while (switch_fd_read_line(fd, path_buf, sizeof(path_buf))) {
				dir_count++;
			}
			lseek(fd, 0, SEEK_SET);
		} else {
			dir_count = switch_dir_count(source->dir_handle);
		}

		if (do_shuffle) {
			skip = do_rand(dir_count);
			do_shuffle = 0;
		}

		switch_yield(1000000);

		while (RUNNING && !source->stopped) {
			switch_size_t olen;
			uint8_t abuf[SWITCH_RECOMMENDED_BUFFER_SIZE] = { 0 };
			const char *artist = NULL, *title = NULL;

			if (fd > -1) {
				char *pb;
				if (switch_fd_read_line(fd, path_buf, sizeof(path_buf))) {
					if ((pb = strchr(path_buf, '\r')) || (pb = strchr(path_buf, '\n'))) {
						*pb = '\0';
					}
				} else {
					close(fd);
					fd = -1;
					continue;
				}
			} else {
				if (!(fname = switch_dir_next_file(source->dir_handle, file_buf, sizeof(file_buf)))) {
					break;
				}

				switch_snprintf(path_buf, sizeof(path_buf), "%s%s%s", source->location, SWITCH_PATH_SEPARATOR, fname);

				if (switch_stristr(".loc", path_buf)) {
					if ((fd = open(path_buf, O_RDONLY)) < 0) {
						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't open %s\n", fname);
						switch_yield(1000000);
					}
					continue;
				}
			}

			if (dir_count > 1 && !strcmp(last_path, path_buf)) {
				continue;
			}

			if (skip > 0) {
				skip--;
				continue;
			}

			switch_set_string(last_path, path_buf);

			fname = path_buf;
			fh.prebuf = source->prebuf;
			fh.pre_buffer_datalen = source->prebuf;

			if (switch_core_file_open(&fh,
									  (char *) fname,
									  source->channels, source->rate, SWITCH_FILE_FLAG_VIDEO | SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't open %s\n", fname);
				switch_yield(1000000);
				continue;
			}

			if (switch_core_file_has_video(&fh)) {
				flush_video_queue(source->video_q);
			}

			if (switch_core_timer_init(&timer, source->timer_name, source->interval, (int)source->samples, temp_pool) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Can't start timer.\n");
				switch_dir_close(source->dir_handle);
				source->dir_handle = NULL;
				goto done;
			}

			switch_img_free(&source->cover_art);
			switch_set_string(tmp_buf, path_buf);
			if ((p = strrchr(tmp_buf, '/'))) {
				*p++ = '\0';
				switch_snprintf(png_buf, sizeof(png_buf), "%s/art/%s.png", tmp_buf, p);				
				if (switch_file_exists(png_buf, source->pool) == SWITCH_STATUS_SUCCESS) {
					source->cover_art = switch_img_read_png(png_buf, SWITCH_IMG_FMT_I420);
				}
			}

			source->serno++;
			switch_safe_free(source->banner_txt);
			title = artist = NULL;
			
			switch_core_file_get_string(&fh, SWITCH_AUDIO_COL_STR_ARTIST, &artist);
			switch_core_file_get_string(&fh, SWITCH_AUDIO_COL_STR_TITLE, &title);
			
			if (title && (source->cover_art || switch_core_file_has_video(&fh))) {
				const char *format = "#cccccc:#333333:FreeSans.ttf:3%:";

				if (artist) {
					source->banner_txt = switch_mprintf("%s%s (%s)", format, title, artist);
				} else {
					source->banner_txt = switch_mprintf("%s%s", format, title);
				}
			}

			while (RUNNING && !source->stopped) {
				int is_open;
				switch_file_handle_t *use_fh = &fh;

				switch_core_timer_next(&timer);
				olen = source->samples;
				
				if (source->chime_total) {

					if (source->chime_counter > 0) {
						source->chime_counter -= (int32_t)source->samples;
					}

					if (!switch_test_flag((&source->chime_fh), SWITCH_FILE_OPEN) && source->chime_counter <= 0) {
						char *val;

						val = source->chime_list[source->chime_cur++];

						if (source->chime_cur >= source->chime_total) {
							source->chime_cur = 0;
						}

						if (switch_core_file_open(&source->chime_fh,
												  (char *) val,
												  source->channels,
												  source->rate, SWITCH_FILE_FLAG_VIDEO | SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
							switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't open %s\n", val);
						}


						if (switch_core_file_has_video(&source->chime_fh)) {
							flush_video_queue(source->video_q);
						}

					}

					if (switch_test_flag((&source->chime_fh), SWITCH_FILE_OPEN)) {
						use_fh = &source->chime_fh;
					}
				}

			retry:

				source->has_video = switch_core_file_has_video(use_fh) || source->cover_art || source->banner_txt;

				is_open = switch_test_flag(use_fh, SWITCH_FILE_OPEN);

				if (source->hup) {
					source->hup = 0;
					if (is_open) {
						is_open = 0;

						switch_core_file_close(use_fh);
						flush_video_queue(source->video_q);
						if (use_fh == &source->chime_fh) {
							source->chime_counter = source->rate * source->chime_freq;
							switch_core_file_close(&fh);
							use_fh = &fh;							
						}
						goto retry;
					}
				}
				
				if (is_open) {
					if (switch_core_has_video() && switch_core_file_has_video(use_fh)) {
						switch_frame_t vid_frame = { 0 };

						if (use_fh == &source->chime_fh && switch_core_file_has_video(&fh)) {
							if (switch_core_file_read_video(&fh, &vid_frame, SVR_FLUSH) == SWITCH_STATUS_SUCCESS) {
								switch_img_free(&vid_frame.img);
							}
						}

						if (switch_core_file_read_video(use_fh, &vid_frame, SVR_FLUSH) == SWITCH_STATUS_SUCCESS) {
							if (vid_frame.img) {
								int flush = 1;

								source->has_video = 1;
								
								if (source->total) {
									if (switch_queue_trypush(source->video_q, vid_frame.img) == SWITCH_STATUS_SUCCESS) {
										flush = 0;
									}
								}

								if (flush) {
									switch_img_free(&vid_frame.img);
									flush_video_queue(source->video_q);
								}
							}
						}
					} else {
						source->has_video = 0;
					}

					if (use_fh == &source->chime_fh) {
						olen = source->samples;
						switch_core_file_read(&fh, abuf, &olen);
						olen = source->samples;
					}

					if (switch_core_file_read(use_fh, abuf, &olen) != SWITCH_STATUS_SUCCESS || !olen) {
						switch_core_file_close(use_fh);
						flush_video_queue(source->video_q);

						if (use_fh == &source->chime_fh) {
							source->chime_counter = source->rate * source->chime_freq;
							use_fh = &fh;
						} else {
							is_open = 0;
						}
					} else {
						if (use_fh == &source->chime_fh && source->chime_max) {
							source->chime_max_counter += (int32_t)source->samples;
							if (source->chime_max_counter >= source->chime_max) {
								source->chime_max_counter = 0;
								switch_core_file_close(use_fh);
								flush_video_queue(source->video_q);
								source->chime_counter = source->rate * source->chime_freq;
								use_fh = &fh;
								goto retry;
							}
						}
						
						if (source->total) {
							switch_buffer_write(audio_buffer, abuf, olen * 2 * source->channels);
						} else {
							switch_buffer_zero(audio_buffer);
						}
					}
				}

				used = switch_buffer_inuse(audio_buffer);

				if (!used && !is_open) {
					break;
				}

				if (!is_open || used >= source->prebuf || (source->total && used > source->samples * 2 * source->channels)) {
					void *pop;

					used = switch_buffer_read(audio_buffer, dist_buf, source->samples * 2 * source->channels);

					if (!source->total) {
						flush_video_queue(source->video_q);
					} else {
						uint32_t bused = 0;

						switch_mutex_lock(source->mutex);
						for (cp = source->context_list; cp && RUNNING; cp = cp->next) {
							
							if (source->has_video) {
								switch_set_flag(cp->handle, SWITCH_FILE_FLAG_VIDEO);
							} else {
								switch_clear_flag(cp->handle, SWITCH_FILE_FLAG_VIDEO);
							}
							
							if (switch_test_flag(cp->handle, SWITCH_FILE_CALLBACK)) {
								continue;
							}
							
							switch_mutex_lock(cp->audio_mutex);
							bused = (uint32_t)switch_buffer_inuse(cp->audio_buffer);
							if (bused > source->samples * 768) {
								switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG1, "Flushing Stream Handle Buffer [%s() %s:%d] size: %u samples: %ld\n", 
												  cp->func, cp->file, cp->line, bused, (long)source->samples);
								switch_buffer_zero(cp->audio_buffer);
							} else {
								switch_buffer_write(cp->audio_buffer, dist_buf, used);
							}
							switch_mutex_unlock(cp->audio_mutex);
						}
						switch_mutex_unlock(source->mutex);

						
						while (switch_queue_trypop(source->video_q, &pop) == SWITCH_STATUS_SUCCESS) {
							switch_image_t *img = (switch_image_t *) pop;
							switch_image_t *imgcp = NULL;

							if (source->total == 1) {
								switch_queue_push(source->context_list->video_q, img);
							} else {
								if (source->context_list) {
									switch_mutex_lock(source->mutex);
									for (cp = source->context_list; cp && RUNNING; cp = cp->next) {
										if (cp->video_q) {
											imgcp = NULL;
											switch_img_copy(img, &imgcp);
											if (imgcp) {
												if (switch_queue_trypush(cp->video_q, imgcp) != SWITCH_STATUS_SUCCESS) {
													flush_video_queue(cp->video_q);
												}
											}
										}
									}
									switch_mutex_unlock(source->mutex);
								}
								switch_img_free(&img);
							}
						}
					}
				}
			}

			switch_core_timer_destroy(&timer);
			if (RUNNING && source->shuffle) {
				skip = do_rand(dir_count);
			}
		}

		switch_dir_close(source->dir_handle);
		source->dir_handle = NULL;

		if (source->full_reload) {
			if (source->rwlock && switch_thread_rwlock_trywrlock(source->rwlock) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Cannot stop local_stream://%s because it is in use.\n",source->name);
				if (source->part_reload) {
					switch_xml_t cfg, xml, directory, param;
					if (!(xml = switch_xml_open_cfg(global_cf, &cfg, NULL))) {
						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", global_cf);
					}
					if ((directory = switch_xml_find_child(cfg, "directory", "name", source->name))) {
						for (param = switch_xml_child(directory, "param"); param; param = param->next) {
							char *var = (char *) switch_xml_attr_soft(param, "name");
							char *val = (char *) switch_xml_attr_soft(param, "value");
							if (!strcasecmp(var, "shuffle")) {
								source->shuffle = switch_true(val);
							} else if (!strcasecmp(var, "chime-freq")) {
								int tmp = atoi(val);
								if (tmp > 1) {
									source->chime_freq = tmp;
								}
							} else if (!strcasecmp(var, "chime-max")) {
								int tmp = atoi(val);
								if (tmp > 1) {
									source->chime_max = tmp;
								}
							} else if (!strcasecmp(var, "chime-list")) {
								char *list_dup = switch_core_strdup(source->pool, val);
								source->chime_total =
									switch_separate_string(list_dup, ',', source->chime_list, (sizeof(source->chime_list) / sizeof(source->chime_list[0])));
							} else if (!strcasecmp(var, "interval")) {
								int tmp = atoi(val);
								if (SWITCH_ACCEPTABLE_INTERVAL(tmp)) {
									source->interval = tmp;
								} else {
									switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,
													  "Interval must be multiple of 10 and less than %d, Using default of 20\n", SWITCH_MAX_INTERVAL);
								}
							}
							if (source->chime_max) {
								source->chime_max *= source->rate;
							}
							if (source->chime_total) {
								source->chime_counter = source->rate * source->chime_freq;
							}
						}
					}
					switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "local_stream://%s partially reloaded.\n",source->name);
					source->part_reload = 0;
				}
			} else {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "local_stream://%s fully reloaded.\n",source->name);
				launch_streams(source->name);
				goto done;
			}
		}
	}

  done:

	switch_safe_free(source->banner_txt);
	
	if (switch_test_flag((&fh), SWITCH_FILE_OPEN)) {
		switch_core_file_close(&fh);
	}

	if (switch_test_flag((&source->chime_fh), SWITCH_FILE_OPEN)) {
		switch_core_file_close(&source->chime_fh);
	}

	source->ready = 0;
	switch_mutex_lock(globals.mutex);
	switch_core_hash_delete(globals.source_hash, source->name);
	switch_mutex_unlock(globals.mutex);

	switch_thread_rwlock_wrlock(source->rwlock);
	switch_thread_rwlock_unlock(source->rwlock);

	switch_buffer_destroy(&audio_buffer);

	flush_video_queue(source->video_q);

	if (fd > -1) {
		close(fd);
	}

	if (temp_pool) {
		switch_core_destroy_memory_pool(&temp_pool);
	}

	switch_core_destroy_memory_pool(&source->pool);

	switch_mutex_lock(globals.mutex);
	THREADS--;
	switch_mutex_unlock(globals.mutex);

	return NULL;
}
Esempio n. 15
0
static switch_status_t webm_file_open(switch_file_handle_t *handle, const char *path)
{
	webm_file_context_t *context;
	char *ext;
	unsigned int flags = 0;
	const char *tmp = NULL;
	char *fmtp;

	if ((ext = strrchr((char *)path, '.')) == 0) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Format\n");
		return SWITCH_STATUS_GENERR;
	}
	ext++;

	if ((context = (webm_file_context_t *)switch_core_alloc(handle->memory_pool, sizeof(webm_file_context_t))) == 0) {
		return SWITCH_STATUS_MEMERR;
	}

	memset(context, 0, sizeof(webm_file_context_t));

	context->offset = -100;
	if (handle->params && (tmp = switch_event_get_header(handle->params, "webmv2_video_offset"))) {
		context->offset = atoi(tmp);
	}

	switch_mutex_init(&context->mutex, SWITCH_MUTEX_NESTED, handle->memory_pool);
	switch_core_timer_init(&context->timer, "soft", 1, 1000, context->pool);
	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "init timer\n");

	if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
		flags |= SWITCH_FOPEN_WRITE | SWITCH_FOPEN_CREATE;
		if (switch_test_flag(handle, SWITCH_FILE_WRITE_APPEND) || switch_test_flag(handle, SWITCH_FILE_WRITE_OVER)) {
			flags |= SWITCH_FOPEN_READ;
		} else {
			flags |= SWITCH_FOPEN_TRUNCATE;
		}
	}

	if (switch_test_flag(handle, SWITCH_FILE_FLAG_READ)) {
		flags |= SWITCH_FOPEN_READ;
	}

	context->writer = new mkvmuxer::MkvWriter();

	if (!context->writer->Open(path)) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error opening file %s\n", path);
		return SWITCH_STATUS_GENERR;
	}

	context->segment = new mkvmuxer::Segment();

	if (!context->segment || !context->segment->Init(context->writer)) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error init segment\n");
		return SWITCH_STATUS_GENERR;
	}

	// context->segment.set_mode(mkvmuxer::Segment::kLive);
	context->segment->set_mode(mkvmuxer::Segment::kFile);
	context->segment->OutputCues(true);

	mkvmuxer::SegmentInfo* const info = context->segment->GetSegmentInfo();
	info->set_timecode_scale(1000000);
	info->set_muxing_app("FreeSWITCH");
	info->set_writing_app(switch_version_full());

	context->audio_track_id = context->segment->AddAudioTrack(handle->samplerate, handle->channels, 0);
	if (!context->audio_track_id) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error add audio track!\n");
		goto end;
	}
	context->audio = static_cast<mkvmuxer::AudioTrack*>(context->segment->GetTrackByNumber(context->audio_track_id));
	context->audio->set_codec_id("A_" AUDIO_CODEC);
	switch_buffer_create_dynamic(&context->audio_buffer, 512, 512, 0);

	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "sample rate: %d, channels: %d\n", handle->samplerate, handle->channels);

	handle->format = 0;
	handle->sections = 0;
	handle->seekable = 0;
	handle->speed = 0;
	handle->pos = 0;
	handle->private_info = context;
	context->pool = handle->memory_pool;
	// handle->flags |= SWITCH_FILE_NATIVE;

	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Opening File [%s] %dhz %s\n",
		path, handle->samplerate, switch_test_flag(handle, SWITCH_FILE_FLAG_VIDEO) ? " with VIDEO" : "");

	fmtp = switch_core_sprintf(context->pool,
							   "useinbandfec=1;minptime=20;ptime=20;samplerate=%d%s", handle->samplerate, handle->channels == 2 ? ",stereo=1" : "");

	if (switch_core_codec_init(&context->audio_codec,
							   AUDIO_CODEC,
							   NULL,
							   fmtp,
							   handle->samplerate,
							   20,//ms
							   handle->channels, SWITCH_CODEC_FLAG_ENCODE,
							   NULL, handle->memory_pool) == SWITCH_STATUS_SUCCESS) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Audio Codec Activation Success\n");
	} else {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Audio Codec Activation Fail\n");
		goto end;
	}

	if (switch_test_flag(handle, SWITCH_FILE_FLAG_VIDEO)) {
		if (switch_core_codec_init(&context->video_codec,
							   "VP8",
							   NULL,
							   NULL,
							   90000,
							   0,//ms
							   1, SWITCH_CODEC_FLAG_ENCODE,
							   NULL, handle->memory_pool) == SWITCH_STATUS_SUCCESS) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Video Codec H264 Activation Success\n");
		} else {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Video Codec H264 Activation Fail\n");
			goto end;
		}
	}

	if (!strcmp(AUDIO_CODEC, "VORBIS")) {
		uint16_t size = 0;
		uint8_t *codec_private_data = NULL;
		switch_core_codec_control(&context->audio_codec, SCC_GET_CODEC_PRIVATE, SCCT_INT, (void *)&size, NULL, (void **)&codec_private_data);
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "======codec_private_data size: %d data: %p\n", size, codec_private_data);
		context->audio->SetCodecPrivate(codec_private_data, size);
	}

	if (1) { // for better quality?
		int bw = 4096;
		switch_core_codec_control(&context->video_codec, SCC_VIDEO_BANDWIDTH, SCCT_INT, (void *)&bw, NULL, NULL);
	}

	switch_buffer_create_dynamic(&context->buf, 512, 512, 1024000);

	return SWITCH_STATUS_SUCCESS;

end:

	if (context->segment) delete context->segment;
	if (context->writer) delete context->writer;

	return SWITCH_STATUS_GENERR;
}
Esempio n. 16
0
static switch_status_t tone_stream_file_open(switch_file_handle_t *handle, const char *path)
{
	switch_buffer_t *audio_buffer = NULL;
	teletone_generation_session_t ts;
	char *tonespec;
	int loops = 0;
	char *tmp;
	int fd = -1;
	char buf[1024] = "";
	size_t len;

	memset(&ts, 0, sizeof(ts));

	tonespec = switch_core_strdup(handle->memory_pool, path);

	switch_buffer_create_dynamic(&audio_buffer, 1024, 1024, 0);
	switch_assert(audio_buffer);

	if ((tmp = (char *)switch_stristr(";loops=", tonespec))) {
		*tmp = '\0';
		tmp += 7;
		if (tmp) {
			loops = atoi(tmp);
			switch_buffer_set_loops(audio_buffer, loops);
		}
	}

	if (handle->params) {
		if ((tmp = switch_event_get_header(handle->params, "loops"))) {
			loops = atoi(tmp);
			switch_buffer_set_loops(audio_buffer, loops);		
		}
	}

	if (!handle->samplerate) {
		handle->samplerate = 8000;
	}

	handle->channels = 1;

	teletone_init_session(&ts, 0, teletone_handler, audio_buffer);
	ts.rate = handle->samplerate;
	ts.channels = 1;

	if (!strncasecmp(tonespec, "path=", 5)) {
		tmp = tonespec + 5;
		if ((fd = open(tmp, O_RDONLY)) < 0) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Failed to open [%s]\n", tmp);
			return SWITCH_STATUS_FALSE;
		}

		while ((len = switch_fd_read_line(fd, buf, sizeof(buf)))) {
			teletone_run(&ts, buf);
		}
		close(fd);
		fd = -1;
	} else {
		teletone_run(&ts, tonespec);
	}

	teletone_destroy_session(&ts);

	handle->private_info = audio_buffer;

	return SWITCH_STATUS_SUCCESS;
}
Esempio n. 17
0
SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags,
															   int stream_id)
{
	switch_io_event_hook_read_frame_t *ptr;
	switch_status_t status = SWITCH_STATUS_FALSE;
	int need_codec, perfect, do_bugs = 0, do_resample = 0, is_cng = 0;
	switch_codec_implementation_t codec_impl;
	unsigned int flag = 0;

	switch_assert(session != NULL);


	if (switch_mutex_trylock(session->codec_read_mutex) == SWITCH_STATUS_SUCCESS) {
		switch_mutex_unlock(session->codec_read_mutex);
	} else {
		switch_cond_next();
		*frame = &runtime.dummy_cng_frame;
		return SWITCH_STATUS_SUCCESS;
	}

	if (!(session->read_codec && session->read_codec->implementation && switch_core_codec_ready(session->read_codec))) {
		if (switch_channel_test_flag(session->channel, CF_PROXY_MODE) || switch_channel_get_state(session->channel) == CS_HIBERNATE) {
			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT, "%s reading on a session with no media!\n",
							  switch_channel_get_name(session->channel));
			switch_cond_next();
			*frame = &runtime.dummy_cng_frame;
			return SWITCH_STATUS_SUCCESS;
		}
		switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s has no read codec.\n", switch_channel_get_name(session->channel));
		switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION);
		return SWITCH_STATUS_FALSE;
	}

	switch_mutex_lock(session->codec_read_mutex);

	if (!switch_core_codec_ready(session->read_codec)) {
		switch_mutex_unlock(session->codec_read_mutex);
		switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s has no read codec.\n", switch_channel_get_name(session->channel));
		switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION);
		*frame = &runtime.dummy_cng_frame;
        return SWITCH_STATUS_FALSE;
	}

	switch_mutex_lock(session->read_codec->mutex);

  top:
	
	if (session->dmachine && !switch_channel_test_flag(session->channel, CF_BROADCAST)) {
		switch_ivr_dmachine_ping(session->dmachine, NULL);
	}
	
	if (switch_channel_down(session->channel) || !switch_core_codec_ready(session->read_codec)) {
		*frame = NULL;
		status = SWITCH_STATUS_FALSE;
		goto even_more_done;
	}


	status = SWITCH_STATUS_FALSE;
	need_codec = perfect = 0;

	*frame = NULL;

	if (session->read_codec && !session->track_id && session->track_duration) {
		if (session->read_frame_count == 0) {
			switch_event_t *event;
			session->read_frame_count = (session->read_impl.actual_samples_per_second / session->read_impl.samples_per_packet) * session->track_duration;

			switch_event_create(&event, SWITCH_EVENT_SESSION_HEARTBEAT);
			switch_channel_event_set_data(session->channel, event);
			switch_event_fire(&event);
		} else {
			session->read_frame_count--;
		}
	}


	if (switch_channel_test_flag(session->channel, CF_HOLD)) {
		switch_yield(session->read_impl.microseconds_per_packet);
		status = SWITCH_STATUS_BREAK;
		goto even_more_done;
	}

	if (session->endpoint_interface->io_routines->read_frame) {
		switch_mutex_unlock(session->read_codec->mutex);
		switch_mutex_unlock(session->codec_read_mutex);
		if ((status = session->endpoint_interface->io_routines->read_frame(session, frame, flags, stream_id)) == SWITCH_STATUS_SUCCESS) {
			for (ptr = session->event_hooks.read_frame; ptr; ptr = ptr->next) {
				if ((status = ptr->read_frame(session, frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
					break;
				}
			}
		}

		if (!SWITCH_READ_ACCEPTABLE(status) || !session->read_codec || !switch_core_codec_ready(session->read_codec)) {
			*frame = NULL;
			return SWITCH_STATUS_FALSE;
		}

		switch_mutex_lock(session->codec_read_mutex);

		if (!switch_core_codec_ready(session->read_codec)) {
			switch_mutex_unlock(session->codec_read_mutex);
			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s has no read codec.\n", switch_channel_get_name(session->channel));
			switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION);
			*frame = &runtime.dummy_cng_frame;
			return SWITCH_STATUS_FALSE;
		}

		switch_mutex_lock(session->read_codec->mutex);
		if (!switch_core_codec_ready(session->read_codec)) {
			*frame = NULL;
			status = SWITCH_STATUS_FALSE;
			goto even_more_done;			
		}

	}

	if (status != SWITCH_STATUS_SUCCESS) {
		goto done;
	}

	if (!(*frame)) {
		goto done;
	}

	switch_assert(*frame != NULL);

	if (switch_test_flag(*frame, SFF_PROXY_PACKET)) {
		/* Fast PASS! */
		status = SWITCH_STATUS_SUCCESS;
		goto done;
	}

	if (switch_test_flag(*frame, SFF_CNG)) {
		status = SWITCH_STATUS_SUCCESS;
		if (!session->bugs && !session->plc) {
			goto done;
		}
		is_cng = 1;
	}

	switch_assert((*frame)->codec != NULL);

	if (!(session->read_codec && (*frame)->codec && (*frame)->codec->implementation) && switch_core_codec_ready((*frame)->codec)) {
		status = SWITCH_STATUS_FALSE;
		goto done;
	}

	codec_impl = *(*frame)->codec->implementation;

	if (session->read_codec->implementation->impl_id != codec_impl.impl_id) {
		need_codec = TRUE;
	} 
	
	if (codec_impl.actual_samples_per_second != session->read_impl.actual_samples_per_second) {
		do_resample = 1;
	}

	if (session->bugs && !need_codec) {
		do_bugs = 1;
		need_codec = 1;
	}

	if (switch_test_flag(session, SSF_READ_TRANSCODE) && !need_codec && switch_core_codec_ready(session->read_codec)) {
		switch_core_session_t *other_session;
		const char *uuid = switch_channel_get_variable(switch_core_session_get_channel(session), SWITCH_SIGNAL_BOND_VARIABLE);
		switch_clear_flag(session, SSF_READ_TRANSCODE);
		
		if (uuid && (other_session = switch_core_session_locate(uuid))) {
			switch_set_flag(other_session, SSF_READ_CODEC_RESET);
			switch_set_flag(other_session, SSF_READ_CODEC_RESET);
			switch_set_flag(other_session, SSF_WRITE_CODEC_RESET);
			switch_core_session_rwunlock(other_session);
		}
	}

	if (switch_test_flag(session, SSF_READ_CODEC_RESET)) {
		switch_core_codec_reset(session->read_codec);
		switch_clear_flag(session, SSF_READ_CODEC_RESET);
	}

	




	if (status == SWITCH_STATUS_SUCCESS && need_codec) {
		switch_frame_t *enc_frame, *read_frame = *frame;

		switch_set_flag(session, SSF_READ_TRANSCODE);

		if (!switch_test_flag(session, SSF_WARN_TRANSCODE)) {
			switch_core_session_message_t msg = { 0 };

			msg.message_id = SWITCH_MESSAGE_INDICATE_TRANSCODING_NECESSARY;
			switch_core_session_receive_message(session, &msg);
			switch_set_flag(session, SSF_WARN_TRANSCODE);
		}

		if (read_frame->codec || is_cng) {
			session->raw_read_frame.datalen = session->raw_read_frame.buflen;

			if (is_cng) {
				if (session->plc) {
					plc_fillin(session->plc, session->raw_read_frame.data, read_frame->codec->implementation->decoded_bytes_per_packet / 2);
					is_cng = 0;
					flag &= !SFF_CNG;
				} else {
					memset(session->raw_read_frame.data, 255, read_frame->codec->implementation->decoded_bytes_per_packet);
				}

				session->raw_read_frame.timestamp = 0;
				session->raw_read_frame.datalen = read_frame->codec->implementation->decoded_bytes_per_packet;
				session->raw_read_frame.samples = session->raw_read_frame.datalen / sizeof(int16_t);
				read_frame = &session->raw_read_frame;
				status = SWITCH_STATUS_SUCCESS;
			} else {
				switch_codec_t *use_codec = read_frame->codec;
				if (do_bugs) {
					switch_thread_rwlock_wrlock(session->bug_rwlock);
					if (!session->bugs) {
						do_bugs = 0;
						switch_thread_rwlock_unlock(session->bug_rwlock);
						goto done;
					}

					if (!switch_core_codec_ready(&session->bug_codec)) {
						switch_core_codec_copy(read_frame->codec, &session->bug_codec, NULL);
					}
					use_codec = &session->bug_codec;
					switch_thread_rwlock_unlock(session->bug_rwlock);

					switch_thread_rwlock_wrlock(session->bug_rwlock);
					if (!session->bugs) {
						do_bugs = 0;
					}
					switch_thread_rwlock_unlock(session->bug_rwlock);
					if (!do_bugs) goto done;
				}

				if (switch_test_flag(read_frame, SFF_PLC)) {
					session->raw_read_frame.datalen = read_frame->codec->implementation->decoded_bytes_per_packet;
					session->raw_read_frame.samples = session->raw_read_frame.datalen / sizeof(int16_t);
					memset(session->raw_read_frame.data, 255, session->raw_read_frame.datalen);
					status = SWITCH_STATUS_SUCCESS;
				} else {
					status = switch_core_codec_decode(use_codec,
													  session->read_codec,
													  read_frame->data,
													  read_frame->datalen,
													  session->read_impl.actual_samples_per_second,
													  session->raw_read_frame.data, &session->raw_read_frame.datalen, &session->raw_read_frame.rate, 
													  &read_frame->flags);
				}
				
				if (status == SWITCH_STATUS_SUCCESS) {
					if ((switch_channel_test_flag(session->channel, CF_JITTERBUFFER) || switch_channel_test_flag(session->channel, CF_CNG_PLC)) 
						&& !session->plc) {
						session->plc = plc_init(NULL);
					}
				
					if (session->plc) {
						if (switch_test_flag(read_frame, SFF_PLC)) {
							plc_fillin(session->plc, session->raw_read_frame.data, session->raw_read_frame.datalen / 2);
							switch_clear_flag(read_frame, SFF_PLC);
						} else {
							plc_rx(session->plc, session->raw_read_frame.data, session->raw_read_frame.datalen / 2);
						}
					}
				}


			}

			if (do_resample && ((status == SWITCH_STATUS_SUCCESS) || is_cng)) {
				status = SWITCH_STATUS_RESAMPLE;
			}

			switch (status) {
			case SWITCH_STATUS_RESAMPLE:
				if (!session->read_resampler) {
					switch_mutex_lock(session->resample_mutex);
					status = switch_resample_create(&session->read_resampler,
													read_frame->codec->implementation->actual_samples_per_second,
													session->read_impl.actual_samples_per_second,
													session->read_impl.decoded_bytes_per_packet, SWITCH_RESAMPLE_QUALITY, 1);

					switch_mutex_unlock(session->resample_mutex);

					if (status != SWITCH_STATUS_SUCCESS) {
						switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Unable to allocate resampler\n");
						status = SWITCH_STATUS_FALSE;
						goto done;
					}
				}
			case SWITCH_STATUS_SUCCESS:
				session->raw_read_frame.samples = session->raw_read_frame.datalen / sizeof(int16_t);
				session->raw_read_frame.rate = read_frame->rate;
				if (read_frame->codec->implementation->samples_per_packet != session->read_impl.samples_per_packet) {
					session->raw_read_frame.timestamp = 0;
				} else {
					session->raw_read_frame.timestamp = read_frame->timestamp;
				}
				session->raw_read_frame.ssrc = read_frame->ssrc;
				session->raw_read_frame.seq = read_frame->seq;
				session->raw_read_frame.m = read_frame->m;
				session->raw_read_frame.payload = read_frame->payload;
				session->raw_read_frame.flags = 0;
				if (switch_test_flag(read_frame, SFF_PLC)) {
					session->raw_read_frame.flags |= SFF_PLC;
				}
				read_frame = &session->raw_read_frame;
				break;
			case SWITCH_STATUS_NOOP:
				if (session->read_resampler) {
					switch_mutex_lock(session->resample_mutex);
					switch_resample_destroy(&session->read_resampler);
					switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_NOTICE, "Deactivating read resampler\n");
					switch_mutex_unlock(session->resample_mutex);
				}

				status = SWITCH_STATUS_SUCCESS;
				break;
			case SWITCH_STATUS_BREAK:
				memset(session->raw_read_frame.data, 255, read_frame->codec->implementation->decoded_bytes_per_packet);
				session->raw_read_frame.datalen = read_frame->codec->implementation->decoded_bytes_per_packet;
				session->raw_read_frame.samples = session->raw_read_frame.datalen / sizeof(int16_t);
				session->raw_read_frame.timestamp = read_frame->timestamp;
				session->raw_read_frame.rate = read_frame->rate;
				session->raw_read_frame.ssrc = read_frame->ssrc;
				session->raw_read_frame.seq = read_frame->seq;
				session->raw_read_frame.m = read_frame->m;
				session->raw_read_frame.payload = read_frame->payload;
				session->raw_read_frame.flags = 0;
				if (switch_test_flag(read_frame, SFF_PLC)) {
					session->raw_read_frame.flags |= SFF_PLC;
				}

				read_frame = &session->raw_read_frame;
				status = SWITCH_STATUS_SUCCESS;
				break;
			case SWITCH_STATUS_NOT_INITALIZED:
				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec init error!\n");
				goto done;
			default:
				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec %s decoder error!\n",
								  session->read_codec->codec_interface->interface_name);
				goto done;
			}
		}

		if (session->bugs) {
			switch_media_bug_t *bp;
			switch_bool_t ok = SWITCH_TRUE;
			int prune = 0;
			switch_thread_rwlock_rdlock(session->bug_rwlock);

			for (bp = session->bugs; bp; bp = bp->next) {
				if (switch_channel_test_flag(session->channel, CF_PAUSE_BUGS) && !switch_core_media_bug_test_flag(bp, SMBF_NO_PAUSE)) {
					continue;
				}

				if (!switch_channel_test_flag(session->channel, CF_ANSWERED) && switch_core_media_bug_test_flag(bp, SMBF_ANSWER_REQ)) {
					continue;
				}
				if (switch_test_flag(bp, SMBF_PRUNE)) {
					prune++;
					continue;
				}

				if (bp->ready && switch_test_flag(bp, SMBF_READ_STREAM)) {
					switch_mutex_lock(bp->read_mutex);
					switch_buffer_write(bp->raw_read_buffer, read_frame->data, read_frame->datalen);
					if (bp->callback) {
						ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_READ);
					}
					switch_mutex_unlock(bp->read_mutex);
				}

				if (ok && switch_test_flag(bp, SMBF_READ_REPLACE)) {
					do_bugs = 0;
					if (bp->callback) {
						bp->read_replace_frame_in = read_frame;
						bp->read_replace_frame_out = read_frame;
						if ((ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_READ_REPLACE)) == SWITCH_TRUE) {
							read_frame = bp->read_replace_frame_out;
						}
					}
				}

				if ((bp->stop_time && bp->stop_time <= switch_epoch_time_now(NULL)) || ok == SWITCH_FALSE) {
					switch_set_flag(bp, SMBF_PRUNE);
					prune++;
				}


			}
			switch_thread_rwlock_unlock(session->bug_rwlock);
			if (prune) {
				switch_core_media_bug_prune(session);
			}
		}

		if (do_bugs) {
			goto done;
		}

		if (session->read_codec) {
			if (session->read_resampler) {
				short *data = read_frame->data;
				switch_mutex_lock(session->resample_mutex);
				switch_resample_process(session->read_resampler, data, (int) read_frame->datalen / 2);
				memcpy(data, session->read_resampler->to, session->read_resampler->to_len * 2);
				read_frame->samples = session->read_resampler->to_len;
				read_frame->datalen = session->read_resampler->to_len * 2;
				read_frame->rate = session->read_resampler->to_rate;
				switch_mutex_unlock(session->resample_mutex);
			}

			if (read_frame->datalen == session->read_impl.decoded_bytes_per_packet) {
				perfect = TRUE;
			} else {
				if (!session->raw_read_buffer) {
					switch_size_t bytes = session->read_impl.decoded_bytes_per_packet;
					switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Engaging Read Buffer at %u bytes vs %u\n",
									  (uint32_t) bytes, (uint32_t) (*frame)->datalen);
					switch_buffer_create_dynamic(&session->raw_read_buffer, bytes * SWITCH_BUFFER_BLOCK_FRAMES, bytes * SWITCH_BUFFER_START_FRAMES, 0);
				}

				if (!switch_buffer_write(session->raw_read_buffer, read_frame->data, read_frame->datalen)) {
					status = SWITCH_STATUS_MEMERR;
					goto done;
				}
			}

			if (perfect || switch_buffer_inuse(session->raw_read_buffer) >= session->read_impl.decoded_bytes_per_packet) {
				if (perfect) {
					enc_frame = read_frame;
					session->raw_read_frame.rate = read_frame->rate;
				} else {
					session->raw_read_frame.datalen = (uint32_t) switch_buffer_read(session->raw_read_buffer,
																					session->raw_read_frame.data,
																					session->read_impl.decoded_bytes_per_packet);

					session->raw_read_frame.rate = session->read_impl.actual_samples_per_second;
					enc_frame = &session->raw_read_frame;
				}
				session->enc_read_frame.datalen = session->enc_read_frame.buflen;

				switch_assert(session->read_codec != NULL);
				switch_assert(enc_frame != NULL);
				switch_assert(enc_frame->data != NULL);

				status = switch_core_codec_encode(session->read_codec,
												  enc_frame->codec,
												  enc_frame->data,
												  enc_frame->datalen,
												  session->read_impl.actual_samples_per_second,
												  session->enc_read_frame.data, &session->enc_read_frame.datalen, &session->enc_read_frame.rate, &flag);

				switch (status) {
				case SWITCH_STATUS_RESAMPLE:
					switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Fixme 1\n");
				case SWITCH_STATUS_SUCCESS:
					session->enc_read_frame.samples = session->read_impl.decoded_bytes_per_packet / sizeof(int16_t);
					if (perfect) {
						if (enc_frame->codec->implementation->samples_per_packet != session->read_impl.samples_per_packet) {
							session->enc_read_frame.timestamp = 0;
						} else {
							session->enc_read_frame.timestamp = read_frame->timestamp;
						}
						session->enc_read_frame.rate = read_frame->rate;
						session->enc_read_frame.ssrc = read_frame->ssrc;
						session->enc_read_frame.seq = read_frame->seq;
						session->enc_read_frame.m = read_frame->m;
						session->enc_read_frame.payload = session->read_impl.ianacode;
					}
					*frame = &session->enc_read_frame;
					break;
				case SWITCH_STATUS_NOOP:
					session->raw_read_frame.samples = enc_frame->codec->implementation->samples_per_packet;
					session->raw_read_frame.timestamp = read_frame->timestamp;
					session->raw_read_frame.payload = enc_frame->codec->implementation->ianacode;
					session->raw_read_frame.m = read_frame->m;
					session->raw_read_frame.ssrc = read_frame->ssrc;
					session->raw_read_frame.seq = read_frame->seq;
					*frame = enc_frame;
					status = SWITCH_STATUS_SUCCESS;
					break;
				case SWITCH_STATUS_NOT_INITALIZED:
					switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec init error!\n");
					*frame = NULL;
					status = SWITCH_STATUS_GENERR;
					break;
				default:
					switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec %s encoder error!\n",
									  session->read_codec->codec_interface->interface_name);
					*frame = NULL;
					status = SWITCH_STATUS_GENERR;
					break;
				}
			} else {
				goto top;
			}
		}
	}

  done:
	if (!(*frame)) {
		status = SWITCH_STATUS_FALSE;
	} else {
		if (flag & SFF_CNG) {
			switch_set_flag((*frame), SFF_CNG);
		}
		if (session->bugs) {
			switch_media_bug_t *bp;
			switch_bool_t ok = SWITCH_TRUE;
			int prune = 0;
			switch_thread_rwlock_rdlock(session->bug_rwlock);
			for (bp = session->bugs; bp; bp = bp->next) {
				if (switch_channel_test_flag(session->channel, CF_PAUSE_BUGS) && !switch_core_media_bug_test_flag(bp, SMBF_NO_PAUSE)) {
					continue;
				}

				if (!switch_channel_test_flag(session->channel, CF_ANSWERED) && switch_core_media_bug_test_flag(bp, SMBF_ANSWER_REQ)) {
					continue;
				}

				if (switch_test_flag(bp, SMBF_PRUNE)) {
					prune++;
					continue;
				}

				if (bp->ready && switch_test_flag(bp, SMBF_READ_PING)) {
					switch_mutex_lock(bp->read_mutex);
					if (bp->callback) {
						if (bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_READ_PING) == SWITCH_FALSE
							|| (bp->stop_time && bp->stop_time <= switch_epoch_time_now(NULL))) {
							ok = SWITCH_FALSE;
						}
					}
					switch_mutex_unlock(bp->read_mutex);
				}

				if (ok == SWITCH_FALSE) {
					switch_set_flag(bp, SMBF_PRUNE);
					prune++;
				}
			}
			switch_thread_rwlock_unlock(session->bug_rwlock);
			if (prune) {
				switch_core_media_bug_prune(session);
			}
		}
	}

  even_more_done:

	if (!*frame || !(*frame)->codec || !(*frame)->codec->implementation || !switch_core_codec_ready((*frame)->codec)) {
		*frame = &runtime.dummy_cng_frame;
	}

	switch_mutex_unlock(session->read_codec->mutex);
	switch_mutex_unlock(session->codec_read_mutex);

	return status;
}
Esempio n. 18
0
static switch_status_t vlc_file_open(switch_file_handle_t *handle, const char *path)
{
	vlc_file_context_t *context;
	libvlc_event_manager_t *mp_event_manager, *m_event_manager;
	
	context = switch_core_alloc(handle->memory_pool, sizeof(*context));
	context->pool = handle->memory_pool;

	context->path = switch_core_strdup(context->pool, path);

	switch_buffer_create_dynamic(&(context->audio_buffer), VLC_BUFFER_SIZE, VLC_BUFFER_SIZE * 8, 0);
	switch_mutex_init(&context->audio_mutex, SWITCH_MUTEX_NESTED, context->pool);
	switch_thread_cond_create(&(context->started), context->pool);

	if (switch_test_flag(handle, SWITCH_FILE_FLAG_READ)) {
		
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "VLC open %s for reading\n", path);
		
		/* Determine if this is a url or a path */
		/* TODO: Change this so that it tries local files first, and then if it fails try location. */
		if(! strncmp(context->path, "http", 4)){
			context->m = libvlc_media_new_location(read_inst, context->path);
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "VLC Path is http %s\n", context->path);
		} else if (! strncmp(context->path, "mms", 3)){
			context->m = libvlc_media_new_path(read_inst, context->path);
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "VLC Path is mms %s\n", context->path);
		} else if (! strncmp(context->path, "/", 1)){
			context->m = libvlc_media_new_path(read_inst, context->path);
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "VLC Path is file %s\n", context->path);
		} else {
			context->m = libvlc_media_new_location(read_inst, context->path);
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "VLC Path is unknown type %s\n", context->path);
		}

		if ( context->m == NULL ) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "VLC error opening %s for reading\n", path);
			return SWITCH_STATUS_GENERR;
		}
		
		context->playing = 0;
		context->err = 0;
		
		context->mp = libvlc_media_player_new_from_media(context->m);
		
		if (!handle->samplerate) {
			handle->samplerate = 16000;
		}

		context->samplerate = handle->samplerate;
		context->channels = handle->channels;

		libvlc_audio_set_format(context->mp, "S16N", context->samplerate, handle->channels);
		
		m_event_manager = libvlc_media_event_manager(context->m);
		libvlc_event_attach(m_event_manager, libvlc_MediaStateChanged, vlc_media_state_callback, (void *) context);

		mp_event_manager = libvlc_media_player_event_manager(context->mp);
		libvlc_event_attach(mp_event_manager, libvlc_MediaPlayerEncounteredError, vlc_mediaplayer_error_callback, (void *) context);
		
		libvlc_audio_set_callbacks(context->mp, vlc_auto_play_callback, NULL,NULL,NULL,NULL, (void *) context);

		libvlc_media_player_play(context->mp);
		
	} else if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
		const char * opts[10] = {
			vlc_args,
			switch_mprintf("--sout=%s", path)
		};
		int opts_count = 10;
		
		if ( !handle->samplerate)
			handle->samplerate = 16000;
		
		context->samplerate = handle->samplerate;

		opts[2] = switch_mprintf("--imem-get=%ld", vlc_imem_get_callback);
		opts[3] = switch_mprintf("--imem-release=%ld", vlc_imem_release_callback);
		opts[4] = switch_mprintf("--imem-cat=%d", 4);
		opts[5] = "--demux=rawaud";
		opts[6] = "--rawaud-fourcc=s16l";
		opts[7] = switch_mprintf("--rawaud-samplerate=%d", context->samplerate);
		opts[8] = switch_mprintf("--imem-data=%ld", context);
		//opts[9] = "--rawaud-channels=1";

		/* Prepare to write to an output stream. */
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "VLC open %s for writing\n", path);

		/* load the vlc engine. */
		context->inst_out = libvlc_new(opts_count, opts);
		
		/* Tell VLC the audio will come from memory, and to use the callbacks to fetch it. */
		context->m = libvlc_media_new_location(context->inst_out, "imem/rawaud://");
		context->mp = libvlc_media_player_new_from_media(context->m);
		context->samples = 0;
		context->pts = 0;
		context->playing = 1;		
		libvlc_media_player_play(context->mp);
	} else {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "VLC tried to open %s for unknown reason\n", path);
		return SWITCH_STATUS_GENERR;
	}

	handle->private_info = context;
	
	return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_core_media_bug_add(switch_core_session_t *session,
														  const char *function,
														  const char *target,
														  switch_media_bug_callback_t callback,
														  void *user_data, time_t stop_time, 
														  switch_media_bug_flag_t flags, 
														  switch_media_bug_t **new_bug)
{
	switch_media_bug_t *bug, *bp;
	switch_size_t bytes;
	switch_event_t *event;
	int tap_only = 1, punt = 0;

	const char *p;

	if (!zstr(function)) {
		if ((flags & SMBF_ONE_ONLY)) {
			switch_thread_rwlock_wrlock(session->bug_rwlock);
			for (bp = session->bugs; bp; bp = bp->next) {
				if (!zstr(bp->function) && !strcasecmp(function, bp->function)) {
					punt = 1;
					break;
				} 
			}
			switch_thread_rwlock_unlock(session->bug_rwlock);
		}
	}
	
	if (punt) {
		switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Only one bug of this type allowed!\n");
	}


	if (!switch_channel_media_ready(session->channel)) {
		if (switch_channel_pre_answer(session->channel) != SWITCH_STATUS_SUCCESS) {
			return SWITCH_STATUS_FALSE;
		}
	}



	*new_bug = NULL;


	if ((p = switch_channel_get_variable(session->channel, "media_bug_answer_req")) && switch_true(p)) {
		flags |= SMBF_ANSWER_REQ;
	}
#if 0
	if (flags & SMBF_WRITE_REPLACE) {
		switch_thread_rwlock_wrlock(session->bug_rwlock);
		for (bp = session->bugs; bp; bp = bp->next) {
			if (switch_test_flag(bp, SMBF_WRITE_REPLACE)) {
				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Only one bug of this type allowed!\n");
				switch_thread_rwlock_unlock(session->bug_rwlock);
				return SWITCH_STATUS_GENERR;
			}
		}
		switch_thread_rwlock_unlock(session->bug_rwlock);
	}

	if (flags & SMBF_READ_REPLACE) {
		switch_thread_rwlock_wrlock(session->bug_rwlock);
		for (bp = session->bugs; bp; bp = bp->next) {
			if (switch_test_flag(bp, SMBF_READ_REPLACE)) {
				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Only one bug of this type allowed!\n");
				switch_thread_rwlock_unlock(session->bug_rwlock);
				return SWITCH_STATUS_GENERR;
			}
		}
		switch_thread_rwlock_unlock(session->bug_rwlock);
	}
#endif

	if (!(bug = switch_core_session_alloc(session, sizeof(*bug)))) {
		return SWITCH_STATUS_MEMERR;
	}

	bug->callback = callback;
	bug->user_data = user_data;
	bug->session = session;
	bug->flags = flags;
	bug->function = "N/A";
	bug->target = "N/A";

	switch_core_session_get_read_impl(session, &bug->read_impl);
	switch_core_session_get_write_impl(session, &bug->write_impl);

	if (function) {
		bug->function = switch_core_session_strdup(session, function);
	}

	if (target) {
		bug->target = switch_core_session_strdup(session, target);
	}
	
	bug->stop_time = stop_time;
	bytes = bug->read_impl.decoded_bytes_per_packet;

	if (!bug->flags) {
		bug->flags = (SMBF_READ_STREAM | SMBF_WRITE_STREAM);
	}

	if (switch_test_flag(bug, SMBF_READ_STREAM) || switch_test_flag(bug, SMBF_READ_PING)) {
		switch_buffer_create_dynamic(&bug->raw_read_buffer, bytes * SWITCH_BUFFER_BLOCK_FRAMES, bytes * SWITCH_BUFFER_START_FRAMES, MAX_BUG_BUFFER);
		switch_mutex_init(&bug->read_mutex, SWITCH_MUTEX_NESTED, session->pool);
	}

	bytes = bug->write_impl.decoded_bytes_per_packet;

	if (switch_test_flag(bug, SMBF_WRITE_STREAM)) {
		switch_buffer_create_dynamic(&bug->raw_write_buffer, bytes * SWITCH_BUFFER_BLOCK_FRAMES, bytes * SWITCH_BUFFER_START_FRAMES, MAX_BUG_BUFFER);
		switch_mutex_init(&bug->write_mutex, SWITCH_MUTEX_NESTED, session->pool);
	}

	if ((bug->flags & SMBF_THREAD_LOCK)) {
		bug->thread_id = switch_thread_self();
	}

	if (bug->callback) {
		switch_bool_t result = bug->callback(bug, bug->user_data, SWITCH_ABC_TYPE_INIT);
		if (result == SWITCH_FALSE) {
			switch_core_media_bug_destroy(bug);
			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Error attaching BUG to %s\n",
							  switch_channel_get_name(session->channel));
			return SWITCH_STATUS_GENERR;
		}
	}

	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Attaching BUG to %s\n", switch_channel_get_name(session->channel));
	bug->ready = 1;
	switch_thread_rwlock_wrlock(session->bug_rwlock);
	bug->next = session->bugs;
	session->bugs = bug;

	for(bp = session->bugs; bp; bp = bp->next) {
		if (bp->ready && !switch_test_flag(bp, SMBF_TAP_NATIVE_READ) && !switch_test_flag(bp, SMBF_TAP_NATIVE_WRITE)) {
			tap_only = 0;
		}	
	}

	switch_thread_rwlock_unlock(session->bug_rwlock);
	*new_bug = bug;


	if (tap_only) {
		switch_set_flag(session, SSF_MEDIA_BUG_TAP_ONLY);
	} else {
		switch_clear_flag(session, SSF_MEDIA_BUG_TAP_ONLY);
	}

	if (switch_event_create(&event, SWITCH_EVENT_MEDIA_BUG_START) == SWITCH_STATUS_SUCCESS) {
		switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Media-Bug-Function", "%s", bug->function);
		switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Media-Bug-Target", "%s", bug->target);
		switch_channel_event_set_data(session->channel, event);
		switch_event_fire(&event);
	}

	return SWITCH_STATUS_SUCCESS;
}
Esempio n. 20
0
static switch_status_t cepstral_speech_open(switch_speech_handle_t *sh, const char *voice_name, int rate, switch_speech_flag_t *flags)
{
	cepstral_t *cepstral = switch_core_alloc(sh->memory_pool, sizeof(*cepstral));
	char srate[25];

	if (!cepstral) {
		return SWITCH_STATUS_MEMERR;
	}

	if (switch_buffer_create_dynamic(&cepstral->audio_buffer, MY_BLOCK_SIZE, MY_BUF_LEN, 0) != SWITCH_STATUS_SUCCESS) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Write Buffer Failed!\n");
		return SWITCH_STATUS_MEMERR;
	}


	switch_mutex_init(&cepstral->audio_lock, SWITCH_MUTEX_NESTED, sh->memory_pool);


	cepstral->params = swift_params_new(NULL);
	swift_params_set_string(cepstral->params, "audio/encoding", "pcm16");
	switch_snprintf(srate, sizeof(srate), "%d", rate);
	swift_params_set_string(cepstral->params, "audio/sampling-rate", srate);


	/* Open a Swift Port through which to make TTS calls */
	if (!(cepstral->port = swift_port_open(engine, cepstral->params))) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to open Swift Port.\n");
		goto all_done;
	}


	if (voice_name && SWIFT_FAILED(swift_port_set_voice_by_name(cepstral->port, voice_name))) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid voice %s!\n", voice_name);
		voice_name = NULL;
	}

	if (zstr(voice_name)) {
		/* Find the first voice on the system */
		if ((cepstral->voice = swift_port_find_first_voice(cepstral->port, NULL, NULL)) == NULL) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to find any voices!\n");
			goto all_done;
		}

		/* Set the voice found by find_first_voice() as the port's current voice */
		if (SWIFT_FAILED(swift_port_set_voice(cepstral->port, cepstral->voice))) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to set voice.\n");
			goto all_done;
		}

		voice_name = (char *) swift_voice_get_attribute(cepstral->voice, "name");
	}

	if (voice_name) {
		switch_copy_string(sh->voice, voice_name, sizeof(sh->voice));
	}

	swift_port_set_callback(cepstral->port, &write_audio, SWIFT_EVENT_AUDIO, cepstral);

	sh->private_info = cepstral;
	return SWITCH_STATUS_SUCCESS;

  all_done:
	return SWITCH_STATUS_FALSE;
}
static JSBool teletone_construct(JSContext * cx, JSObject * obj, uintN argc, jsval * argv, jsval * rval)
{
	JSObject *session_obj;
	struct teletone_obj *tto = NULL;
	struct js_session *jss = NULL;
	switch_memory_pool_t *pool;
	char *timer_name = NULL;
	switch_codec_implementation_t read_impl = { 0 };



	if (argc > 0) {
		if (JS_ValueToObject(cx, argv[0], &session_obj)) {
			if (!(jss = JS_GetPrivate(cx, session_obj))) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot Find Session [1]\n");
				return JS_FALSE;
			}
		} else {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot Find Session [2]\n");
			return JS_FALSE;
		}
	} else {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Missing Session Arg\n");
		return JS_FALSE;
	}
	if (argc > 1) {
		timer_name = JS_GetStringBytes(JS_ValueToString(cx, argv[1]));
	}

	switch_core_new_memory_pool(&pool);

	if (!(tto = switch_core_alloc(pool, sizeof(*tto)))) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Memory Error\n");
		return JS_FALSE;
	}

	switch_core_session_get_read_impl(jss->session, &read_impl);

	if (switch_core_codec_init(&tto->codec,
							   "L16",
							   NULL,
							   read_impl.actual_samples_per_second,
							   read_impl.microseconds_per_packet / 1000,
							   read_impl.number_of_channels, SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE, NULL, pool) == SWITCH_STATUS_SUCCESS) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Raw Codec Activated\n");
	} else {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Raw Codec Activation Failed\n");
		return JS_FALSE;
	}

	if (timer_name) {
		unsigned int ms = read_impl.microseconds_per_packet / 1000;
		if (switch_core_timer_init(&tto->timer_base,
								   timer_name, ms, (read_impl.samples_per_second / 50) * read_impl.number_of_channels, pool) == SWITCH_STATUS_SUCCESS) {
			tto->timer = &tto->timer_base;
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Timer INIT Success %u\n", ms);
		} else {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Timer INIT Failed\n");
		}
	}

	switch_buffer_create_dynamic(&tto->audio_buffer, JS_BLOCK_SIZE, JS_BUFFER_SIZE, 0);
	tto->pool = pool;
	tto->obj = obj;
	tto->cx = cx;
	tto->session = jss->session;
	teletone_init_session(&tto->ts, 0, teletone_handler, tto);
	JS_SetPrivate(cx, obj, tto);

	return JS_TRUE;
}
static void *SWITCH_THREAD_FUNC read_stream_thread(switch_thread_t *thread, void *obj)
{
	local_stream_source_t *source = obj;
	switch_file_handle_t fh = { 0 };
	local_stream_context_t *cp;
	char file_buf[128] = "", path_buf[512] = "";
	switch_timer_t timer = { 0 };
	int fd = -1;
	switch_buffer_t *audio_buffer;
	switch_byte_t *dist_buf;
	switch_size_t used;
	int skip = 0;
	switch_memory_pool_t *temp_pool = NULL;

	switch_mutex_lock(globals.mutex);
	THREADS++;
	switch_mutex_unlock(globals.mutex);

	if (!source->prebuf) {
		source->prebuf = DEFAULT_PREBUFFER_SIZE;
	}

	switch_buffer_create_dynamic(&audio_buffer, 1024, source->prebuf + 10, 0);
	dist_buf = switch_core_alloc(source->pool, source->prebuf + 10);

	if (source->shuffle) {
		skip = do_rand();
	}

	switch_thread_rwlock_create(&source->rwlock, source->pool);

	if (RUNNING) {
		switch_mutex_lock(globals.mutex);
		switch_core_hash_insert(globals.source_hash, source->name, source);
		switch_mutex_unlock(globals.mutex);
		source->ready = 1;
	}

	while (RUNNING && !source->stopped) {
		const char *fname;

		if (temp_pool) {
			switch_core_destroy_memory_pool(&temp_pool);
		}

		if (switch_core_new_memory_pool(&temp_pool) != SWITCH_STATUS_SUCCESS) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error creating pool");
			goto done;
		}

		if (switch_dir_open(&source->dir_handle, source->location, temp_pool) != SWITCH_STATUS_SUCCESS) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Can't open directory: %s\n", source->location);
			goto done;
		}

		switch_yield(1000000);

		while (RUNNING && !source->stopped) {
			switch_size_t olen;
			uint8_t abuf[SWITCH_RECOMMENDED_BUFFER_SIZE] = { 0 };

			if (fd > -1) {
				char *p;
				if (switch_fd_read_line(fd, path_buf, sizeof(path_buf))) {
					if ((p = strchr(path_buf, '\r')) || (p = strchr(path_buf, '\n'))) {
						*p = '\0';
					}
				} else {
					close(fd);
					fd = -1;
					continue;
				}
			} else {
				if (!(fname = switch_dir_next_file(source->dir_handle, file_buf, sizeof(file_buf)))) {
					break;
				}

				switch_snprintf(path_buf, sizeof(path_buf), "%s%s%s", source->location, SWITCH_PATH_SEPARATOR, fname);

				if (switch_stristr(".loc", path_buf)) {
					if ((fd = open(path_buf, O_RDONLY)) < 0) {
						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't open %s\n", fname);
						switch_yield(1000000);
					}
					continue;
				}
			}

			if (skip > 0) {
				skip--;
				continue;
			}

			fname = path_buf;
			fh.prebuf = source->prebuf;
			fh.pre_buffer_datalen = source->prebuf;

			if (switch_core_file_open(&fh,
									  (char *) fname,
									  source->channels, source->rate, SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't open %s\n", fname);
				switch_yield(1000000);
				continue;
			}

			if (switch_core_timer_init(&timer, source->timer_name, source->interval, (int)source->samples, temp_pool) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Can't start timer.\n");
				switch_dir_close(source->dir_handle);
				source->dir_handle = NULL;
				goto done;
			}

			while (RUNNING && !source->stopped) {
				int is_open;
				switch_file_handle_t *use_fh = &fh;

				switch_core_timer_next(&timer);
				olen = source->samples;

				if (source->chime_total) {

					if (source->chime_counter > 0) {
						source->chime_counter -= (int32_t)source->samples;
					}

					if (!switch_test_flag((&source->chime_fh), SWITCH_FILE_OPEN) && source->chime_counter <= 0) {
						char *val;

						val = source->chime_list[source->chime_cur++];

						if (source->chime_cur >= source->chime_total) {
							source->chime_cur = 0;
						}

						if (switch_core_file_open(&source->chime_fh,
												  (char *) val,
												  source->channels,
												  source->rate, SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
							switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't open %s\n", val);
						}
					}

					if (switch_test_flag((&source->chime_fh), SWITCH_FILE_OPEN)) {
						use_fh = &source->chime_fh;
					}
				}

			  retry:

				is_open = switch_test_flag(use_fh, SWITCH_FILE_OPEN);

				if (source->hup) {
					source->hup = 0;
					if (is_open) {
						is_open = 0;

						switch_core_file_close(use_fh);
						if (use_fh == &source->chime_fh) {
							source->chime_counter = source->rate * source->chime_freq;
							use_fh = &fh;
							goto retry;
							//switch_core_file_close(&fh);
						}
					}
				}



				if (is_open) {
					if (switch_core_file_read(use_fh, abuf, &olen) != SWITCH_STATUS_SUCCESS || !olen) {
						switch_core_file_close(use_fh);
						if (use_fh == &source->chime_fh) {
							source->chime_counter = source->rate * source->chime_freq;
						}
						is_open = 0;
					} else {
						if (use_fh == &source->chime_fh && source->chime_max) {
							source->chime_max_counter += (int32_t)source->samples;
							if (source->chime_max_counter >= source->chime_max) {
								source->chime_max_counter = 0;
								switch_core_file_close(use_fh);
								source->chime_counter = source->rate * source->chime_freq;
								use_fh = &fh;
								goto retry;
							}
						}

						switch_buffer_write(audio_buffer, abuf, olen * 2);
					}
				}

				used = switch_buffer_inuse(audio_buffer);

				if (!used && !is_open) {
					break;
				}

				if (!is_open || used >= source->prebuf || (source->total && used > source->samples * 2)) {
					used = switch_buffer_read(audio_buffer, dist_buf, source->samples * 2);
					if (source->total) {
						uint32_t bused = 0;
						switch_mutex_lock(source->mutex);
						for (cp = source->context_list; cp && RUNNING; cp = cp->next) {
							if (switch_test_flag(cp->handle, SWITCH_FILE_CALLBACK)) {
								continue;
							}
							switch_mutex_lock(cp->audio_mutex);
							bused = (uint32_t)switch_buffer_inuse(cp->audio_buffer);
							if (bused > source->samples * 768) {
								switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG1, "Flushing Stream Handle Buffer [%s() %s:%d] size: %u samples: %ld\n", 
												  cp->func, cp->file, cp->line, bused, (long)source->samples);
								switch_buffer_zero(cp->audio_buffer);
							} else {
								switch_buffer_write(cp->audio_buffer, dist_buf, used);
							}
							switch_mutex_unlock(cp->audio_mutex);
						}
						switch_mutex_unlock(source->mutex);
					}
				}
			}

			switch_core_timer_destroy(&timer);
			if (RUNNING && source->shuffle) {
				skip = do_rand();
			}
		}

		switch_dir_close(source->dir_handle);
		source->dir_handle = NULL;

		if (source->full_reload) {
			if (source->rwlock && switch_thread_rwlock_trywrlock(source->rwlock) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Cannot stop local_stream://%s because it is in use.\n",source->name);
				if (source->part_reload) {
					switch_xml_t cfg, xml, directory, param;
					if (!(xml = switch_xml_open_cfg(global_cf, &cfg, NULL))) {
						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", global_cf);
					}
					if ((directory = switch_xml_find_child(cfg, "directory", "name", source->name))) {
						for (param = switch_xml_child(directory, "param"); param; param = param->next) {
							char *var = (char *) switch_xml_attr_soft(param, "name");
							char *val = (char *) switch_xml_attr_soft(param, "value");
							if (!strcasecmp(var, "shuffle")) {
								source->shuffle = switch_true(val);
							} else if (!strcasecmp(var, "chime-freq")) {
								int tmp = atoi(val);
								if (tmp > 1) {
									source->chime_freq = tmp;
								}
							} else if (!strcasecmp(var, "chime-max")) {
								int tmp = atoi(val);
								if (tmp > 1) {
									source->chime_max = tmp;
								}
							} else if (!strcasecmp(var, "chime-list")) {
								char *list_dup = switch_core_strdup(source->pool, val);
								source->chime_total =
									switch_separate_string(list_dup, ',', source->chime_list, (sizeof(source->chime_list) / sizeof(source->chime_list[0])));
							} else if (!strcasecmp(var, "interval")) {
								int tmp = atoi(val);
								if (SWITCH_ACCEPTABLE_INTERVAL(tmp)) {
									source->interval = tmp;
								} else {
									switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,
													  "Interval must be multiple of 10 and less than %d, Using default of 20\n", SWITCH_MAX_INTERVAL);
								}
							}
							if (source->chime_max) {
								source->chime_max *= source->rate;
							}
							if (source->chime_total) {
								source->chime_counter = source->rate * source->chime_freq;
							}
						}
					}
					switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "local_stream://%s partially reloaded.\n",source->name);
					source->part_reload = 0;
				}
			} else {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "local_stream://%s fully reloaded.\n",source->name);
				launch_streams(source->name);
				goto done;
			}
		}
	}

  done:

	if (switch_test_flag((&fh), SWITCH_FILE_OPEN)) {
		switch_core_file_close(&fh);
	}

	if (switch_test_flag((&source->chime_fh), SWITCH_FILE_OPEN)) {
		switch_core_file_close(&source->chime_fh);
	}

	source->ready = 0;
	switch_mutex_lock(globals.mutex);
	switch_core_hash_delete(globals.source_hash, source->name);
	switch_mutex_unlock(globals.mutex);

	switch_thread_rwlock_wrlock(source->rwlock);
	switch_thread_rwlock_unlock(source->rwlock);

	switch_buffer_destroy(&audio_buffer);

	if (fd > -1) {
		close(fd);
	}

	if (temp_pool) {
		switch_core_destroy_memory_pool(&temp_pool);
	}

	switch_core_destroy_memory_pool(&source->pool);

	switch_mutex_lock(globals.mutex);
	THREADS--;
	switch_mutex_unlock(globals.mutex);

	return NULL;
}
Esempio n. 23
0
/**
 * Read from file
 * @param handle
 * @param data
 * @param len
 * @return
 */
static switch_status_t fileman_file_read(switch_file_handle_t *handle, void *data, size_t *len)
{
	struct fileman_file_context *context = (struct fileman_file_context *)handle->private_info;
	switch_file_handle_t *fh = &context->fh;
	switch_status_t status = SWITCH_STATUS_SUCCESS;
	switch_size_t o_len = 0;

	/* anything called "_len" is measured in 2-byte samples */

	if (switch_test_flag(fh, SWITCH_FILE_NATIVE)) {
		return switch_core_file_read(fh, data, len);
	}

	//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "len = %"SWITCH_SIZE_T_FMT"\n", *len);
	if (*len > context->max_frame_len) {
		*len = context->max_frame_len;
	}

	for (;;) {
		int do_speed = 1;
		size_t read_bytes = 0;

		if (switch_test_flag(handle, SWITCH_FILE_PAUSE)) {
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Read pause frame\n");
			memset(context->abuf, 255, *len * 2);
			do_speed = 0;
			o_len = *len;
		} else if (fh->sp_audio_buffer && (context->eof || (switch_buffer_inuse(fh->sp_audio_buffer) > (switch_size_t) (*len * 2)))) {
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Read speed frame\n");
			/* get next speed frame */
			if (!(read_bytes = switch_buffer_read(fh->sp_audio_buffer, context->abuf, *len * 2))) {
				/* This is the reverse of what happens in switch_ivr_play_file... i think that implementation is wrong */
				if (context->eof) {
					/* done with file */
					status = SWITCH_STATUS_FALSE;
					goto done;
				} else {
					/* try again to fetch frame */
					continue;
				}
			}

			/* pad short frame with silence */
			if (read_bytes < *len * 2) {
				//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Padding speed frame %"SWITCH_SIZE_T_FMT" bytes\n", (context->frame_len * 2) - read_bytes);
				memset(context->abuf + read_bytes, 255, (*len * 2) - read_bytes);
			}
			o_len = *len;
			do_speed = 0;
		} else if (fh->audio_buffer && (context->eof || (switch_buffer_inuse(fh->audio_buffer) > (switch_size_t) (*len * 2)))) {
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "(2) Read audio frame\n");
			/* get next file frame */
			if (!(read_bytes = switch_buffer_read(fh->audio_buffer, context->abuf, *len * 2))) {
				if (context->eof) {
					/* done with file */
					status = SWITCH_STATUS_FALSE;
					goto done;
				} else {
					/* try again to fetch frame */
					continue;
				}
			}
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "(2) Read audio frame %"SWITCH_SIZE_T_FMT" bytes\n", read_bytes);
			fh->offset_pos += read_bytes / 2;
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "(2) file pos = %i\n", fh->offset_pos);

			/* pad short frame with silence */
			if (read_bytes < (*len * 2)) {
				//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Padding audio frame %"SWITCH_SIZE_T_FMT" bytes\n", (context->frame_len * 2) - read_bytes);
				memset(context->abuf + read_bytes, 255, (*len * 2) - read_bytes);
			}

			o_len = *len;
		} else {
			if (context->eof) {
				/* done with file */
				status = SWITCH_STATUS_FALSE;
				goto done;
			}
			o_len = FILE_STARTBYTES / 2;
			if (switch_core_file_read(fh, context->abuf, &o_len) != SWITCH_STATUS_SUCCESS) {
				context->eof++;
				/* at end of file... need to clear buffers before giving up */
				continue;
			}
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Read file %"SWITCH_SIZE_T_FMT" bytes\n", o_len * 2);

			/* add file data to audio bufer */
			read_bytes = switch_buffer_write(fh->audio_buffer, context->abuf, o_len * 2);
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Write audio frame %"SWITCH_SIZE_T_FMT" bytes\n", read_bytes);

			read_bytes = switch_buffer_read(fh->audio_buffer, context->abuf, *len * 2);
			o_len = read_bytes / 2;
			fh->offset_pos += o_len;
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Read audio frame %"SWITCH_SIZE_T_FMT" bytes\n", read_bytes);
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "file pos = %i\n", fh->offset_pos);
		}

		if (o_len <= 0) {
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "o_len <= 0 (%"SWITCH_SIZE_T_FMT")\n", o_len);
			status = SWITCH_STATUS_FALSE;
			goto done;
		}

		/* limit speed... there is a .25 factor change in packet size relative to original packet size for each increment.
		   Too many increments and we cause badness when (factor * speed * o_len) > o_len */
		if (handle->speed > 2) {
			handle->speed = 2;
		} else if (handle->speed < -2) {
			handle->speed = -2;
		}

		if (switch_test_flag(fh, SWITCH_FILE_SEEK)) {
			/* file position has changed flush the buffer */
			switch_buffer_zero(fh->audio_buffer);
			switch_clear_flag(fh, SWITCH_FILE_SEEK);
		}

		/* generate speed frames */
		if (handle->speed && do_speed) {
			float factor = 0.25f * abs(handle->speed);
			switch_size_t new_len, supplement_len, step_len;
			short *bp = context->abuf;
			switch_size_t wrote_len = 0;
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Generate speed frame (%i)\n", handle->speed);

			supplement_len = (int) (factor * o_len);
			if (!supplement_len) {
				supplement_len = 1;
			}
			new_len = (handle->speed > 0) ? o_len - supplement_len : o_len + supplement_len;

			step_len = (handle->speed > 0) ? (new_len / supplement_len) : (o_len / supplement_len);

			if (!fh->sp_audio_buffer) {
				switch_buffer_create_dynamic(&fh->sp_audio_buffer, 1024, 1024, 0);
			}

			while ((wrote_len + step_len) < new_len) {
				switch_buffer_write(fh->sp_audio_buffer, bp, step_len * 2);
				wrote_len += step_len;
				bp += step_len;
				if (handle->speed > 0) {
					bp++;
				} else {
					float f;
					short s;
					f = (float) (*bp + *(bp + 1) + *(bp - 1));
					f /= 3;
					s = (short) f;
					switch_buffer_write(fh->sp_audio_buffer, &s, 2);
					wrote_len++;
				}
			}
			if (wrote_len < new_len) {
				switch_size_t r_len = new_len - wrote_len;
				switch_buffer_write(fh->sp_audio_buffer, bp, r_len * 2);
				wrote_len += r_len;
			}
			continue;
		}

		/* adjust volume on frame */
		if (handle->vol) {
			//switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Adjust volume to = %i\n", handle->vol);
			switch_change_sln_volume(context->abuf, *len, handle->vol);
		}
		break;
	}

done:

	/* copy frame over to return to caller */
	memcpy(data, context->abuf, *len * 2);
	handle->offset_pos = context->fh.offset_pos;

	return status;
}
static switch_status_t local_stream_file_open(switch_file_handle_t *handle, const char *path)
{
	local_stream_context_t *context;
	local_stream_source_t *source;
	char *alt_path = NULL;
	switch_status_t status = SWITCH_STATUS_SUCCESS;

	/* already buffering a step back, so always disable it */
	handle->pre_buffer_datalen = 0;

	if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "This format does not support writing!\n");
		return SWITCH_STATUS_FALSE;
	}

	switch_mutex_lock(globals.mutex);

  top:

	alt_path = switch_mprintf("%s/%d", path, handle->samplerate);

	if ((source = switch_core_hash_find(globals.source_hash, alt_path))) {
		path = alt_path;
	} else {
		source = switch_core_hash_find(globals.source_hash, path);
	}
	if (source) {
		if (switch_thread_rwlock_tryrdlock(source->rwlock) != SWITCH_STATUS_SUCCESS) {
			source = NULL;
		}
	} else {
		if (!switch_stristr("default", alt_path) && !switch_stristr("default", path)) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Unknown source %s, trying 'default'\n", path);
			free(alt_path);
			path = "default";
			goto top;
		}
	}
	switch_mutex_unlock(globals.mutex);

	if (!source) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unknown source %s\n", path);
		status = SWITCH_STATUS_FALSE;
		goto end;
	}

	if ((context = switch_core_alloc(handle->memory_pool, sizeof(*context))) == 0) {
		status = SWITCH_STATUS_MEMERR;
		goto end;
	}

	handle->samples = 0;
	handle->samplerate = source->rate;
	handle->channels = source->channels;
	handle->format = 0;
	handle->sections = 0;
	handle->seekable = 0;
	handle->speed = 0;
	handle->private_info = context;
	handle->interval = source->interval;
	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Opening Stream [%s] %dhz\n", path, handle->samplerate);

	switch_mutex_init(&context->audio_mutex, SWITCH_MUTEX_NESTED, handle->memory_pool);
	if (switch_buffer_create_dynamic(&context->audio_buffer, 512, 1024, 0) != SWITCH_STATUS_SUCCESS) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
		status = SWITCH_STATUS_MEMERR;
		goto end;
	}

	context->source = source;
	context->file = handle->file;
	context->func = handle->func;
	context->line = handle->line;
	context->handle = handle;
	switch_mutex_lock(source->mutex);
	context->next = source->context_list;
	source->context_list = context;
	source->total++;
	switch_mutex_unlock(source->mutex);

  end:
	switch_safe_free(alt_path);
	return status;
}
Esempio n. 25
0
static switch_status_t shout_file_open(switch_file_handle_t *handle, const char *path)
{
	shout_context_t *context;
	char *host, *file;
	char *username, *password, *port;
	char *err = NULL;
	const char *mpg123err = NULL;
	int portno = 0;

	if ((context = switch_core_alloc(handle->memory_pool, sizeof(*context))) == 0) {
		return SWITCH_STATUS_MEMERR;
	}

	if (!handle->samplerate) {
		handle->samplerate = 8000;
	}

	context->memory_pool = handle->memory_pool;
	context->samplerate = handle->samplerate;
	context->handle = handle;

	switch_thread_rwlock_create(&(context->rwlock), context->memory_pool);

	switch_thread_rwlock_rdlock(context->rwlock);

	switch_mutex_init(&context->audio_mutex, SWITCH_MUTEX_NESTED, context->memory_pool);

	if (switch_test_flag(handle, SWITCH_FILE_FLAG_READ)) {
		if (switch_buffer_create_dynamic(&context->audio_buffer, TC_BUFFER_SIZE, TC_BUFFER_SIZE * 2, 0) != SWITCH_STATUS_SUCCESS) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
			goto error;
		}

		context->mh = our_mpg123_new(NULL, NULL);
		if (mpg123_format_all(context->mh) != MPG123_OK) {
			MPGERROR();
		}
		if (mpg123_param(context->mh, MPG123_FORCE_RATE, context->samplerate, 0) != MPG123_OK) {
			MPGERROR();
		}

		if (handle->handler) {
			if (mpg123_param(context->mh, MPG123_FLAGS, MPG123_SEEKBUFFER | MPG123_MONO_MIX, 0) != MPG123_OK) {
				MPGERROR();
			}
			if (mpg123_open_feed(context->mh) != MPG123_OK) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error opening mpg feed\n");
				mpg123err = mpg123_strerror(context->mh);
				goto error;
			}
			context->stream_url = switch_core_sprintf(context->memory_pool, "http://%s", path);
			context->prebuf = handle->prebuf;
			launch_read_stream_thread(context);
		} else {
			handle->seekable = 1;
			if (mpg123_param(context->mh, MPG123_FLAGS, MPG123_MONO_MIX, 0) != MPG123_OK) {
				MPGERROR();
			}
			if (mpg123_open(context->mh, path) != MPG123_OK) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error opening %s\n", path);
				mpg123err = mpg123_strerror(context->mh);
				goto error;
			}

		}
	} else if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
		if (switch_test_flag(handle, SWITCH_FILE_WRITE_APPEND)) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Appending to MP3 not supported.\n");
		}
		if (!(context->gfp = lame_init())) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate lame\n");
			goto error;
		}

		if (!handle->handler) {
			id3tag_init(context->gfp);
			id3tag_v2_only(context->gfp);
			id3tag_pad_v2(context->gfp);

		}
		context->channels = handle->channels;
		lame_set_brate(context->gfp, 16 * (handle->samplerate / 8000) * handle->channels);
		lame_set_num_channels(context->gfp, handle->channels);
		lame_set_in_samplerate(context->gfp, handle->samplerate);
		lame_set_out_samplerate(context->gfp, handle->samplerate);

		if (handle->channels == 2) {
			lame_set_mode(context->gfp, STEREO);
		} else {
			lame_set_mode(context->gfp, MONO);
		}
		lame_set_quality(context->gfp, 2);	/* 2=high  5 = medium  7=low */

		lame_set_errorf(context->gfp, log_error);
		lame_set_debugf(context->gfp, log_debug);
		lame_set_msgf(context->gfp, log_msg);

		if (handle->handler) {
			if (switch_buffer_create_dynamic(&context->audio_buffer, MY_BLOCK_SIZE, MY_BUF_LEN, 0) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
				goto error;
			}
			lame_set_bWriteVbrTag(context->gfp, 0);
			lame_mp3_tags_fid(context->gfp, NULL);

			username = switch_core_strdup(handle->memory_pool, path);
			if (!(password = strchr(username, ':'))) {
				err = "invalid url";
				goto error;
			}
			*password++ = '\0';

			if (!(host = strchr(password, '@'))) {
				err = "invalid url";
				goto error;
			}
			*host++ = '\0';

			if ((file = strchr(host, '/'))) {
				*file++ = '\0';
			} else {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid URL: %s\n", path);
				goto error;
			}

			if ((port = strchr(host, ':'))) {
				*port++ = '\0';
				if (port) {
					portno = atoi(port);
				}
			}

			if (!portno) {
				portno = 8000;
			}

			if (!(context->shout = shout_new())) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate shout_t\n");
				goto error;
			}

			if (shout_set_host(context->shout, host) != SHOUTERR_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting hostname: %s\n", shout_get_error(context->shout));
				goto error;
			}

			if (shout_set_protocol(context->shout, SHOUT_PROTOCOL_HTTP) != SHOUTERR_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting protocol: %s\n", shout_get_error(context->shout));
				goto error;
			}

			if (shout_set_port(context->shout, portno) != SHOUTERR_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting port: %s\n", shout_get_error(context->shout));
				goto error;
			}

			if (shout_set_password(context->shout, password) != SHOUTERR_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting password: %s\n", shout_get_error(context->shout));
				goto error;
			}

			if (shout_set_mount(context->shout, file) != SHOUTERR_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting mount: %s\n", shout_get_error(context->shout));
				goto error;
			}

			if (shout_set_user(context->shout, username) != SHOUTERR_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting user: %s\n", shout_get_error(context->shout));
				goto error;
			}

			if (shout_set_url(context->shout, "http://www.freeswitch.org") != SHOUTERR_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting name: %s\n", shout_get_error(context->shout));
				goto error;
			}

			if (shout_set_description(context->shout, "FreeSWITCH mod_shout Broadcasting Module") != SHOUTERR_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting description: %s\n", shout_get_error(context->shout));
				goto error;
			}

			if (shout_set_audio_info(context->shout, "bitrate", "24000") != SHOUTERR_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting bitrate: %s\n", shout_get_error(context->shout));
				goto error;
			}

			if (shout_set_format(context->shout, SHOUT_FORMAT_MP3) != SHOUTERR_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting format: %s\n", shout_get_error(context->shout));
				goto error;
			}

		} else {
			/* lame being lame and all has FILE * coded into it's API for some functions so we gotta use it */
			if (!(context->fp = fopen(path, "wb+"))) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error opening %s\n", path);
				goto error;
			}
		}
	}

	handle->samples = 0;
	handle->format = 0;
	handle->sections = 0;
	handle->speed = 0;
	handle->private_info = context;
	switch_thread_rwlock_unlock(context->rwlock);

	return SWITCH_STATUS_SUCCESS;

  error:
	switch_thread_rwlock_unlock(context->rwlock);
	if (err) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error: %s\n", err);
	}
	if (mpg123err) {
		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error from mpg123: %s\n", mpg123err);
	}
	free_context(context);
	return SWITCH_STATUS_GENERR;

}
bool WSClientParser::InitChannel(WSChannel* wsChannel) {
	switch_core_session_t *session = wsChannel->session;
	switch_channel_t* channel = switch_core_session_get_channel(wsChannel->session);

	// 初始化语音
	wsChannel->read_frame.data = wsChannel->databuf;
	wsChannel->read_frame.buflen = sizeof(wsChannel->databuf);

	/* Initialize read & write codecs */
	if (switch_core_codec_init(
			&wsChannel->read_codec,
			/* name */ "SPEEX",
			/* modname */ NULL,
			/* fmtp */ NULL,
			/* rate */ 16000,
			/* ms */ 20,
			/* channels */ 1,
			/* flags */ SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
			/* codec settings */ NULL, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
		switch_log_printf(
				SWITCH_CHANNEL_SESSION_LOG(session),
				SWITCH_LOG_ERROR,
				"WSClientParser::InitChannel( "
				"[Fail, Can't initialize read codec], "
				"this : %p, "
				"wsChannel : %p "
				")\n",
				this,
				wsChannel
				);

		return false;
	}

	if (switch_core_codec_init(
			&wsChannel->write_codec,
			/* name */ "SPEEX",
			/* modname */ NULL,
			/* fmtp */ NULL,
			/* rate */ 16000,
			/* ms */ 20,
			/* channels */ 1,
			/* flags */ SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
			/* codec settings */ NULL, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
		switch_log_printf(
				SWITCH_CHANNEL_SESSION_LOG(session),
				SWITCH_LOG_ERROR, ""
				"WSClientParser::InitChannel( "
				"[Fail, Can't initialize write codec], "
				"this : %p, "
				"wsChannel : %p "
				")\n",
				this,
				wsChannel
				);

		return false;
	}

	switch_core_session_set_read_codec(session, &wsChannel->read_codec);
	switch_core_session_set_write_codec(session, &wsChannel->write_codec);

	//static inline uint8_t rtmp_audio_codec(int channels, int bits, int rate, rtmp_audio_format_t format) {
	wsChannel->audio_codec = 0xB2; //rtmp_audio_codec(1, 16, 0 /* speex is always 8000  */, RTMP_AUDIO_SPEEX);

	// 初始化视频
	switch_codec_settings_t codec_settings = {{ 0 }};
	wsChannel->video_read_frame.data = wsChannel->video_databuf;
	wsChannel->video_read_frame.buflen = sizeof(wsChannel->video_databuf);

	/* Initialize video read & write codecs */
	if (switch_core_codec_init(
			&wsChannel->video_read_codec,
			/* name */ "H264",
			/* modname */ NULL,
			/* fmtp */ NULL,
			/* rate */ 90000,
			/* ms */ 0,
			/* channels */ 1,
			/* flags */ SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
			/* codec settings */ NULL,
			switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS
			) {
		switch_log_printf(
				SWITCH_CHANNEL_SESSION_LOG(session),
				SWITCH_LOG_ERROR,
				"WSClientParser::InitChannel( "
				"[Fail, Can't initialize video read codec], "
				"this : %p, "
				"wsChannel : %p "
				") \n",
				this,
				wsChannel
				);

		return false;
	}

	codec_settings.video.bandwidth = switch_parse_bandwidth_string("1mb");

	if (switch_core_codec_init(
			&wsChannel->video_write_codec,
			/* name */ "H264",
			/* modname */ NULL,
			/* fmtp */ NULL,
			/* rate */ 90000,
			/* ms */ 0,
			/* channels */ 1,
			/* flags */ SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
			/* codec settings */ &codec_settings,
			switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS
			) {
		switch_log_printf(
				SWITCH_CHANNEL_SESSION_LOG(session),
				SWITCH_LOG_ERROR,
				"WSClientParser::InitChannel( "
				"[Fail, Can't initialize write codec], "
				"this : %p, "
				"wsChannel : %p "
				") \n",
				this,
				wsChannel
				);
		return false;
	}

	switch_core_session_set_video_read_codec(session, &wsChannel->video_read_codec);
	switch_core_session_set_video_write_codec(session, &wsChannel->video_write_codec);
	switch_channel_set_flag(channel, CF_VIDEO);

	wsChannel->mparams.external_video_source = SWITCH_TRUE;
	switch_media_handle_create(&wsChannel->media_handle, session, &wsChannel->mparams);

	wsChannel->video_read_frame.packet = wsChannel->video_databuf;
	wsChannel->video_read_frame.data = wsChannel->video_databuf + 12;
	wsChannel->video_read_frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE - 12;

	switch_mutex_init(&wsChannel->video_readbuf_mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));

	switch_buffer_create_dynamic(&wsChannel->video_readbuf, 1024, 1024, 2048000);

	wsChannel->video_codec = 0xB2;

	return true;
}