Exemplo n.º 1
0
void
Java_com_test_lame_TestLameActivity_convertMP3(JNIEnv*  env,jobject  thiz,jstring inFile ,jstring outFile, 
          jstring progF,  int sampleRate, int bitRate){

  userCancel=0;
  totBytes=0;
  lame_global_flags *gf = lame_init();
  lame_set_num_channels(gf, 1);
  lame_set_in_samplerate(gf,sampleRate);
  lame_set_brate(gf,bitRate);
  lame_set_bWriteVbrTag(gf,0);
  int ipr = lame_init_params(gf);

  const char* outfs;
  outfs = (*env)->GetStringUTFChars(env, outFile, NULL);

  const char* infs;
  infs = (*env)->GetStringUTFChars(env,inFile, NULL);
  int     enc_delay = -1;
  int     enc_padding = -1;

  const char* progfs;
  progfs = (*env)->GetStringUTFChars(env, progF, NULL);
  //set the global progress file variable to be accessed in lame_encoder()
  progFile = fopen(progfs,"w");
  FILE *outf = init_files(gf,infs,outfs,&enc_delay,&enc_padding);
  lame_encoder(gf, outf,0 ,infs ,outfs );
}
Exemplo n.º 2
0
//this is an attempt to convert raw data frame by frame, if anyone can find a solution, send a patch.
void
Java_com_test_lame_TestLameActivity_convertMP3Realtime(JNIEnv*  env,jobject  thiz,jstring aaa,jstring outF, jshortArray inBytes,
          int sampleRate, int bitRate){

  userCancel=0;
  lame_global_flags *gf = lame_init();
  lame_set_num_channels(gf, 1);
  lame_set_in_samplerate(gf,sampleRate);
  lame_set_brate(gf,bitRate);
  lame_set_bWriteVbrTag(gf,0);
  int ipr = lame_init_params(gf);

  const char* outfs;
  outfs = (*env)->GetStringUTFChars(env, outF, NULL);

  int     enc_delay = -1;
  int     enc_padding = -1;

  FILE * outf;
  int outFopen=0;
  if(outFopen == 0) {
    outf = fopen(outfs,"a+b");
    unsigned char mp3buffer[LAME_MAXMP3BUFFER];
    int imp3 = lame_get_id3v2_tag(gf, mp3buffer, sizeof(mp3buffer));
    fwrite(mp3buffer, 1, imp3, outf);
    outFopen =1;
  }  
  
  jshort* jInBytes = (*env)->GetShortArrayElements(env,inBytes,NULL);
  jsize sizeIn = (*env)->GetArrayLength(env,inBytes); 
  short inInts[sizeIn];
  int totRead=0; 
  int amountRead; 
  
   while(totRead < sizeIn) {
  	 if(sizeIn - totRead < 1152) {
  	   amountRead = sizeIn -totRead;
     } else {
       amountRead = 1152;
     }
     int i;
     for(i=0;i< amountRead;i++) {
       inInts[i] = jInBytes[i];
   	   totRead++;
  	 }
     lame_realtime_encoder(gf, outf,0 ,inInts,amountRead);
  }
  
  //failing on JNI: unpinPrimitiveArray() failed to find entry (valid=0)
  //(*env)->ReleaseByteArrayElements(env,jInBytes,inBytes,0);
}
Exemplo n.º 3
0
bool Mp3Writer::open(const QString &fn, long sr, bool s) {
	bool b = AudioFileWriter::open(fn + ".mp3", sr, s);

	if (!b)
		return false;

	lame = lame_init();
	if (!lame)
		return false;

	bitRate = preferences.get(Pref::OutputFormatMp3Bitrate).toInt();

	lame_set_in_samplerate(lame, sampleRate);
	lame_set_num_channels(lame, stereo ? 2 : 1);
	lame_set_out_samplerate(lame, sampleRate);
	// TODO: do we need this?
	lame_set_bWriteVbrTag(lame, 0);
	lame_set_mode(lame, stereo ? STEREO : MONO);
	lame_set_brate(lame, bitRate);
	if (lame_init_params(lame) == -1)
		return false;

	return true;
}
Exemplo n.º 4
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;

}
Exemplo n.º 5
0
void do_broadcast(switch_stream_handle_t *stream)
{
	char *path_info = switch_event_get_header(stream->param_event, "http-path-info");
	char *file;
	lame_global_flags *gfp = NULL;
	switch_file_handle_t fh = { 0 };
	unsigned char mp3buf[TC_BUFFER_SIZE] = "";
	uint8_t buf[1024];
	int rlen;
	int is_local = 0;
	uint32_t interval = 20000;

	if (strstr(path_info + 7, "://")) {
		file = strdup(path_info + 7);
		is_local++;
	} else {
		file = switch_mprintf("%s/streamfiles/%s", SWITCH_GLOBAL_dirs.base_dir, path_info + 7);
	}
	assert(file);

	if (switch_core_file_open(&fh, file, 0, 0, SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
		memset(&fh, 0, sizeof(fh));
		stream->write_function(stream, "Content-type: text/html\r\n\r\n<h2>File not found</h2>\n");
		goto end;
	}

	if (switch_test_flag((&fh), SWITCH_FILE_NATIVE)) {
		stream->write_function(stream, "Content-type: text/html\r\n\r\n<h2>File format not supported</h2>\n");
		goto end;
	}

	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, fh.channels);
	lame_set_in_samplerate(gfp, fh.samplerate);
	lame_set_brate(gfp, 16 * (fh.samplerate / 8000) * fh.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);

	stream->write_function(stream, "Content-type: audio/mpeg\r\n" "Content-Disposition: inline; filename=\"%s.mp3\"\r\n\r\n", path_info + 7);

	if (fh.interval) {
		interval = fh.interval * 1000;
	}

	for (;;) {
		switch_size_t samples = sizeof(buf) / 2;

		switch_core_file_read(&fh, buf, &samples);

		if (is_local) {
			switch_yield(interval);
		}

		if (!samples) {
			break;
		}

		if ((rlen = lame_encode_buffer(gfp, (void *) buf, NULL, samples, 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;
			}
		}
	}

	while ((rlen = lame_encode_flush(gfp, mp3buf, sizeof(mp3buf))) > 0) {
		if (stream->raw_write_function(stream, mp3buf, rlen)) {
			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Disconnected\n");
			goto end;
		}
	}

  end:

	if (fh.channels) {
		switch_core_file_close(&fh);
	}

	switch_safe_free(file);

	if (gfp) {
		lame_close(gfp);
		gfp = NULL;
	}
}
Exemplo n.º 6
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);
	}
}
Exemplo n.º 7
0
int mp3_encode(int fd_in, int fd_out) {

    lame_global_flags *gfp;
    uint32_t i, j, k, count;
    int16_t *b0 = 0, *b1 = 0;
    unsigned char *c;
    int ret;
	
	/* calculate data size*/
	k = (uint32_t) lseek(fd_in, 0, SEEK_CUR);
	i = (uint32_t) lseek(fd_in, 0, SEEK_END);
	lseek(fd_in, k, SEEK_SET);
	i -= k;
	k = 0;

	gfp = lame_init();
	lame_set_errorf(gfp,lame_error_handler);
	lame_set_debugf(gfp,lame_error_handler);
	lame_set_msgf(gfp,lame_error_handler);
	lame_set_num_channels(gfp,2);
	lame_set_in_samplerate(gfp,8000);
#if 0
	lame_set_brate(gfp,64); /* compress 1:4 */
	lame_set_mode(gfp,0);   /* mode = stereo */
	lame_set_quality(gfp,2);   /* 2=high  5 = medium  7=low */
#else
	lame_set_quality(gfp,5);   /* 2=high  5 = medium  7=low */
	lame_set_mode(gfp,3);   /* mode = mono */
	if(lame_get_VBR(gfp) == vbr_off) lame_set_VBR(gfp, vbr_default);
	lame_set_VBR_quality(gfp, 7.0);
	lame_set_findReplayGain(gfp, 0);
	lame_set_bWriteVbrTag(gfp, 1);
	lame_set_out_samplerate(gfp,11025);
	/*   lame_set_num_samples(gfp,i/2); */
#endif
	if(lame_init_params(gfp) < 0) {
	     log_err("encode: failed to init lame");
	     return 0;
	}

#define CHSZ (512*1024)
#define OCHSZ (5*(CHSZ/8)+7200)

	b0 = (int16_t *) malloc(OCHSZ);
	b1 = (int16_t *) malloc(CHSZ);
	if(!b0 || !b1) {
	     log_err("encode: out of memory");
	     if(b0) free(b0);
	     if(b1) free(b1);
             return 0;
	}

	do {
	    ret = 0; j = 0; count = 0;
	    for(c = (unsigned char*) b1; count < CHSZ; c += ret) {
		j = (k + RSZ > i) ? i - k : RSZ;
		ret = read(fd_in,c,j);
		if(ret < 0) break;
		k += ret; count += ret;
		if(k == i) break;
	    }
	    if(ret < 0) break;
	    if(count) {
		ret = lame_encode_buffer(gfp,b1,b1,count/2,(unsigned char *)b0,OCHSZ);
		if(ret < 0) break;
		c = (unsigned char *) b0;
		count = ret;
		for(j = 0; j < count; j += RSZ, c += ret) {
		     ret = (j + RSZ > count) ? count - j : RSZ;
		     write(fd_out,c,ret);
		}
	    }
	} while(k < i);

	k = (uint32_t) lame_encode_flush(gfp,(unsigned char *)b0,OCHSZ);
	if(k) write(fd_out,b0,k);

	k = lame_get_lametag_frame(gfp,(unsigned char *)b0,OCHSZ);
	if(k > 0) write(fd_out,b0,k);

	lame_close(gfp);
	free(b0);
	free(b1);

     return 1;	
}
Exemplo n.º 8
0
//////////////////////////////////////////////////////////////////////
// Init - initialized or reiniyialized encoder SDK with given input 
// and output settings
//////////////////////////////////////////////////////////////////////
HRESULT CEncoder::Init()
{
    CAutoLock l(&m_lock);

    m_outOffset     = 0;
    m_outReadOffset = 0;

    m_bFinished     = FALSE;

    m_frameCount    = 0;

    if (!pgf)
    {
        if (!m_bInpuTypeSet || !m_bOutpuTypeSet)
            return E_UNEXPECTED;

        // Init Lame library
        // note: newer, safer interface which doesn't 
        // allow or require direct access to 'gf' struct is being written
        // see the file 'API' included with LAME.
        if (pgf = lame_init())
        {
            lame_set_num_channels(pgf, m_wfex.nChannels);
            lame_set_in_samplerate(pgf, m_wfex.nSamplesPerSec);
            lame_set_out_samplerate(pgf, m_mabsi.dwSampleRate);
            if ((lame_get_out_samplerate(pgf) >= 32000) && (m_mabsi.dwBitrate < 32))
                lame_set_brate(pgf, 32);
            else
                lame_set_brate(pgf, m_mabsi.dwBitrate);
            lame_set_VBR(pgf, m_mabsi.vmVariable);
            lame_set_VBR_min_bitrate_kbps(pgf, m_mabsi.dwVariableMin);
            lame_set_VBR_max_bitrate_kbps(pgf, m_mabsi.dwVariableMax);

            lame_set_copyright(pgf, m_mabsi.bCopyright);
            lame_set_original(pgf, m_mabsi.bOriginal);
            lame_set_error_protection(pgf, m_mabsi.bCRCProtect);

            lame_set_bWriteVbrTag(pgf, m_mabsi.dwXingTag);
            lame_set_strict_ISO(pgf, m_mabsi.dwStrictISO);
            lame_set_VBR_hard_min(pgf, m_mabsi.dwEnforceVBRmin);

            if (lame_get_num_channels(pgf) == 2 && !m_mabsi.bForceMono)
            {
                //int act_br = pgf->VBR ? pgf->VBR_min_bitrate_kbps + pgf->VBR_max_bitrate_kbps / 2 : pgf->brate;

                // Disabled. It's for user's consideration now
                //int rel = pgf->out_samplerate / (act_br + 1);
                //pgf->mode = rel < 200 ? m_mabsi.ChMode : JOINT_STEREO;

                lame_set_mode(pgf, m_mabsi.ChMode);
            }
            else
                lame_set_mode(pgf, MONO);

            if (lame_get_mode(pgf) == JOINT_STEREO)
                lame_set_force_ms(pgf, m_mabsi.dwForceMS);
            else
                lame_set_force_ms(pgf, 0);

//            pgf->mode_fixed = m_mabsi.dwModeFixed;

            if (m_mabsi.dwVoiceMode != 0)
            {
                lame_set_lowpassfreq(pgf,12000);
                ///pgf->VBR_max_bitrate_kbps = 160;
            }

            if (m_mabsi.dwKeepAllFreq != 0)
            {
                ///pgf->lowpassfreq = -1;
                ///pgf->highpassfreq = -1;
                /// not available anymore
            }

            lame_set_quality(pgf, m_mabsi.dwQuality);
            lame_set_VBR_q(pgf, m_mabsi.dwVBRq);

            lame_init_params(pgf);

            // encoder delay compensation
            {
                int const nch = lame_get_num_channels(pgf);
                short * start_padd = (short *)calloc(48, nch * sizeof(short));

				int out_bytes = 0;

                if (nch == 2)
                    out_bytes = lame_encode_buffer_interleaved(pgf, start_padd, 48, m_outFrameBuf, OUT_BUFFER_SIZE);
                else
                    out_bytes = lame_encode_buffer(pgf, start_padd, start_padd, 48, m_outFrameBuf, OUT_BUFFER_SIZE);

				if (out_bytes > 0)
					m_outOffset += out_bytes;

                free(start_padd);
            }

            return S_OK;
        }

        return E_FAIL;
    }

    return S_OK;
}
Exemplo n.º 9
0
Mp3OutputStream::Mp3OutputStream() : global_fags(), bytes_per_sample(), bytes_per_second()
#ifdef Mp3OutputStream_Buffering
	m_inBuffer(), m_inBufferLenght(), m_inBufferPos(),
#endif
	,m_outBuffer(), m_outBufferLenght()
{
}

Mp3OutputStream::~Mp3OutputStream()
{
	Close();

#ifdef Mp3OutputStream_Buffering
	delete [] m_inBuffer;
#endif	

	delete [] m_outBuffer;
}
	
bool Mp3OutputStream::Initialize(int samplerate, int numchannels, int bitspersamp)
{
	global_fags = lame_init();
	if(global_fags == nullptr)
		return false;
	
	//lame_set_errorf(global_fags, lame_debugger);
	lame_set_analysis(global_fags, 0);

	lame_set_in_samplerate(global_fags, samplerate);
	lame_set_bWriteVbrTag( global_fags, 0 );
	lame_set_error_protection( global_fags, 0 );
	lame_set_extension( global_fags, 0 );
	lame_set_original( global_fags, 0 );
	lame_set_VBR(global_fags, vbr_off);

	lame_set_num_channels(global_fags, numchannels);
	lame_set_mode( global_fags, STEREO);

	lame_set_out_samplerate(global_fags, 44100);
	// 9 = LQP_LOW_QUALITY
	// 2 = LQP_HIGH_QUALITY:
	// 0 = LQP_VERYHIGH_QUALITY
	//lame_set_quality(global_fags, 0 );
	//lame_set_preset( global_fags, STANDARD_FAST);

	Settings& s = Global::Settings;
	
#ifdef STREAMER_PAYD_VERSION
	lame_set_brate(global_fags, std::min(Mp3OutputStreamConstants::Presets[s.encoder_preset], 320));
#else
	lame_set_brate(global_fags, 64);
#endif
	
	if(lame_init_params(global_fags) != 0)
	{
		OutputDebugString(_T("lame_init_params failed"));
		lame_close(global_fags);
		global_fags = nullptr;
		return false;
	}
	
	bytes_per_second = lame_get_brate(global_fags) / 8;

#ifdef Mp3OutputStream_Buffering
	if ( 0 == lame_get_version( global_fags ) )
	{
		// For MPEG-II, only 576 samples per frame per channel
		m_inBufferLenght = 576 * lame_get_num_channels( global_fags );
	}
	else
	{
		// For MPEG-I, 1152 samples per frame per channel
		m_inBufferLenght = 1152 * lame_get_num_channels( global_fags );
	}


	// delete buffers
	if(m_inBuffer != nullptr)
		delete [] m_inBuffer;
	m_inBuffer = new BYTE[m_inBufferLenght * 2];
#endif

	m_outBufferLenght = static_cast<int>( ( 1.25 * ( samplerate / numchannels ) + 7200 ) * 2.0);
	
	if(m_outBuffer != nullptr)
		delete [] m_outBuffer;
	m_outBuffer = new BYTE[m_outBufferLenght];

	bytes_per_sample = bitspersamp / 8;
	return true;
}
Exemplo n.º 10
0
bool ACMStream::open(const AEncodeProperties & the_Properties)
{
	bool bResult = false;

	// Init the MP3 Stream
	// Init the global flags structure
	gfp = lame_init();

	// Set input sample frequency
	lame_set_in_samplerate( gfp, my_SamplesPerSec );

	// Set output sample frequency
	lame_set_out_samplerate( gfp, my_OutBytesPerSec );

	lame_set_num_channels( gfp, my_Channels );
	if (my_Channels == 1)
		lame_set_mode( gfp, MONO );
	else
		lame_set_mode( gfp, (MPEG_mode_e)the_Properties.GetChannelModeValue()) ; /// \todo Get the mode from the default configuration

//	lame_set_VBR( gfp, vbr_off ); /// \note VBR not supported for the moment
	lame_set_VBR( gfp, my_VBRMode ); /// \note VBR not supported for the moment
	
	if (my_VBRMode == vbr_abr)
	{
		lame_set_VBR_q( gfp, 1 );

		lame_set_VBR_mean_bitrate_kbps( gfp, (my_AvgBytesPerSec * 8 + 500) / 1000 );

		if (24000 > lame_get_in_samplerate( gfp ))
		{
			// For MPEG-II
			lame_set_VBR_min_bitrate_kbps( gfp, 8);

			lame_set_VBR_max_bitrate_kbps( gfp, 160);
		}
		else
		{
			// For MPEG-I
			lame_set_VBR_min_bitrate_kbps( gfp, 32);

			lame_set_VBR_max_bitrate_kbps( gfp, 320);
		}
	}

	// Set bitrate
	lame_set_brate( gfp, my_AvgBytesPerSec * 8 / 1000 );

	/// \todo Get the mode from the default configuration
	// Set copyright flag?
	lame_set_copyright( gfp, the_Properties.GetCopyrightMode()?1:0 );
	// Do we have to tag  it as non original 
	lame_set_original( gfp, the_Properties.GetOriginalMode()?1:0 );
	// Add CRC?
	lame_set_error_protection( gfp, the_Properties.GetCRCMode()?1:0 );
	// Set private bit?
	lame_set_extension( gfp, the_Properties.GetPrivateMode()?1:0 );
	// INFO tag support not possible in ACM - it requires rewinding 
        // output stream to the beginning after encoding is finished.   
	lame_set_bWriteVbrTag( gfp, 0 );

	if (0 == lame_init_params( gfp ))
	{
		//LAME encoding call will accept any number of samples.  
		if ( 0 == lame_get_version( gfp ) )
		{
			// For MPEG-II, only 576 samples per frame per channel
			my_SamplesPerBlock = 576 * lame_get_num_channels( gfp );
		}
		else
		{
			// For MPEG-I, 1152 samples per frame per channel
			my_SamplesPerBlock = 1152 * lame_get_num_channels( gfp );
		}
	}

	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "version                =%d",lame_get_version( gfp ) );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Layer                  =3");
	switch ( lame_get_mode( gfp ) )
	{
		case STEREO:       my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG,  "mode                   =Stereo" ); break;
		case JOINT_STEREO: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG,  "mode                   =Joint-Stereo" ); break;
		case DUAL_CHANNEL: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG,  "mode                   =Forced Stereo" ); break;
		case MONO:         my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG,  "mode                   =Mono" ); break;
		case NOT_SET:      /* FALLTROUGH */
		default:           my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG,  "mode                   =Error (unknown)" ); break;
	}

	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "sampling frequency     =%.1f kHz", lame_get_in_samplerate( gfp ) /1000.0 );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "bitrate                =%d kbps", lame_get_brate( gfp ) );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Vbr Min bitrate        =%d kbps", lame_get_VBR_min_bitrate_kbps( gfp ) );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Vbr Max bitrate        =%d kbps", lame_get_VBR_max_bitrate_kbps( gfp ) );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Quality Setting        =%d", lame_get_quality( gfp ) );

	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Low pass frequency     =%d", lame_get_lowpassfreq( gfp ) );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Low pass width         =%d", lame_get_lowpasswidth( gfp ) );

	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "High pass frequency    =%d", lame_get_highpassfreq( gfp ) );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "High pass width        =%d", lame_get_highpasswidth( gfp ) );

	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "No Short Blocks        =%d", lame_get_no_short_blocks( gfp ) );

	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "de-emphasis            =%d", lame_get_emphasis( gfp ) );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "private flag           =%d", lame_get_extension( gfp ) );

	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "copyright flag         =%d", lame_get_copyright( gfp ) );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "original flag          =%d",	lame_get_original( gfp ) );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "CRC                    =%s", lame_get_error_protection( gfp ) ? "on" : "off" );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Fast mode              =%s", ( lame_get_quality( gfp ) )? "enabled" : "disabled" );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Force mid/side stereo  =%s", ( lame_get_force_ms( gfp ) )?"enabled":"disabled" );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Padding Type           =%d", lame_get_padding_type( gfp ) );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Disable Resorvoir      =%d", lame_get_disable_reservoir( gfp ) );
	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "VBR                    =%s, VBR_q =%d, VBR method =",
					( lame_get_VBR( gfp ) !=vbr_off ) ? "enabled": "disabled",
		            lame_get_VBR_q( gfp ) );

	switch ( lame_get_VBR( gfp ) )
	{
		case vbr_off:	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG,  "vbr_off" );	break;
		case vbr_mt :	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG,  "vbr_mt" );	break;
		case vbr_rh :	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG,  "vbr_rh" );	break;
		case vbr_mtrh:	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG,  "vbr_mtrh" );	break;
		case vbr_abr: 
			my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG,  "vbr_abr (average bitrate %d kbps)", lame_get_VBR_mean_bitrate_kbps( gfp ) );
		break;
		default:
			my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "error, unknown VBR setting");
		break;
	}

	my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Write VBR Header       =%s\n", ( lame_get_bWriteVbrTag( gfp ) ) ?"Yes":"No");

#ifdef FROM_DLL
beConfig.format.LHV1.dwReSampleRate		= my_OutBytesPerSec;	  // force the user resampling
#endif // FROM_DLL

	bResult = true;

	return bResult;
}
void lame_encoder_impl_internal::set_write_vbr_tag(bool _Val)
{
    int lameRet = lame_set_bWriteVbrTag(m_Lame.get(), (int)_Val);
    DT_LAME_CHECK_ERR(lameRet);
}
Exemplo n.º 12
0
void *complete_encode_worker(void* arg)
{
	int ret;
	ENC_WRK_ARGS *args = (ENC_WRK_ARGS*)arg; // parse argument struct

	while (true) {
#ifdef __VERBOSE_
		cout << "Checking for work\n";
#endif
		// determine which file to process next
		bool bFoundWork = false;
		int iFileIdx = -1;

		pthread_mutex_lock(&mutFilesFinished);
		for (int i = 0; i < args->iNumFiles; i++) {
			if (!args->pbFilesFinished[i]) {
				args->pbFilesFinished[i] = true; // mark as being worked on
				iFileIdx = i;
				bFoundWork = true;
				break;
			}
		}
		pthread_mutex_unlock(&mutFilesFinished);

		if (!bFoundWork) {// done yet?
			return NULL; // break
		}
		string sMyFile = args->pFilenames->at(iFileIdx);
		string sMyFileOut = sMyFile.substr(0, sMyFile.length() - 3) + "mp3";

		// start working
		FMT_DATA *hdr = NULL;
		short *leftPcm = NULL, *rightPcm = NULL;
		// init encoding params
		lame_global_flags *gfp = lame_init();
		lame_set_brate(gfp, 192); // increase bitrate
		lame_set_quality(gfp, 3); // increase quality level
		lame_set_bWriteVbrTag(gfp, 0);

		// parse wave file
#ifdef __VERBOSE_
		printf("Parsing %s ...\n", sMyFile.c_str());
#endif
		int iDataSize = -1;
		ret = read_wave(sMyFile.c_str(), hdr, leftPcm, rightPcm, iDataSize);
		if (ret != EXIT_SUCCESS) {
			printf("Error in file %s. Skipping.\n", sMyFile.c_str());
			continue; // see if there's more to do
		}

		lame_set_num_channels(gfp, hdr->wChannels);
		lame_set_num_samples(gfp, iDataSize / hdr->wBlockAlign);
		// check params
		ret = lame_init_params(gfp);
		if (ret != 0) {
			cerr << "Invalid encoding parameters! Skipping file." << endl;
			continue;
		}

		// encode to mp3
		ret = encode_to_file(gfp, hdr, leftPcm, rightPcm, iDataSize, sMyFileOut.c_str());
		if (ret != EXIT_SUCCESS) {
			cerr << "Unable to encode mp3: " << sMyFileOut.c_str() << endl;
			continue;
		}

		printf("[:%i][ok] .... %s\n", args->iThreadId, sMyFile.c_str());
		++args->iProcessedFiles;

		lame_close(gfp);
		if (leftPcm != NULL) delete[] leftPcm;
		if (rightPcm != NULL) delete[] rightPcm;
		if (hdr != NULL) delete hdr;
	}

	pthread_exit((void*)0);
}
Exemplo n.º 13
0
static gint mp3_open(void)
{
    int imp3;

    gfp = lame_init();
    if (gfp == NULL)
        return 0;

    /* setup id3 data */
    id3tag_init(gfp);

    if (tuple) {
        /* XXX write UTF-8 even though libmp3lame does id3v2.3. --yaz */
        lameid3.track_name = tuple_get_str (tuple, FIELD_TITLE, NULL);
        id3tag_set_title(gfp, lameid3.track_name);

        lameid3.performer = tuple_get_str (tuple, FIELD_ARTIST, NULL);
        id3tag_set_artist(gfp, lameid3.performer);

        lameid3.album_name = tuple_get_str (tuple, FIELD_ALBUM, NULL);
        id3tag_set_album(gfp, lameid3.album_name);

        lameid3.genre = tuple_get_str (tuple, FIELD_GENRE, NULL);
        id3tag_set_genre(gfp, lameid3.genre);

        lameid3.year = str_printf ("%d", tuple_get_int (tuple, FIELD_YEAR, NULL));
        id3tag_set_year(gfp, lameid3.year);

        lameid3.track_number = str_printf ("%d", tuple_get_int (tuple, FIELD_TRACK_NUMBER, NULL));
        id3tag_set_track(gfp, lameid3.track_number);

        if (force_v2_val) {
            id3tag_add_v2(gfp);
        }
        if (only_v1_val) {
            id3tag_v1_only(gfp);
        }
        if (only_v2_val) {
            id3tag_v2_only(gfp);
        }
    }

    /* input stream description */

    lame_set_in_samplerate(gfp, input.frequency);
    lame_set_num_channels(gfp, input.channels);
    /* Maybe implement this? */
    /* lame_set_scale(lame_global_flags *, float); */
    lame_set_out_samplerate(gfp, out_samplerate_val);

    /* general control parameters */

    lame_set_bWriteVbrTag(gfp, toggle_xing_val);
    lame_set_quality(gfp, algo_quality_val);
    if (audio_mode_val != 4) {
        AUDDBG("set mode to %d\n", audio_mode_val);
        lame_set_mode(gfp, audio_mode_val);
    }

    lame_set_errorf(gfp, lame_debugf);
    lame_set_debugf(gfp, lame_debugf);
    lame_set_msgf(gfp, lame_debugf);

    if (enc_toggle_val == 0 && vbr_on == 0)
        lame_set_brate(gfp, bitrate_val);
    else if (vbr_on == 0)
        lame_set_compression_ratio(gfp, compression_val);

    /* frame params */

    lame_set_copyright(gfp, mark_copyright_val);
    lame_set_original(gfp, mark_original_val);
    lame_set_error_protection(gfp, error_protect_val);
    lame_set_strict_ISO(gfp, enforce_iso_val);

    if (vbr_on != 0) {
        if (vbr_type == 0)
            lame_set_VBR(gfp, 2);
        else
            lame_set_VBR(gfp, 3);
        lame_set_VBR_q(gfp, vbr_quality_val);
        lame_set_VBR_mean_bitrate_kbps(gfp, abr_val);
        lame_set_VBR_min_bitrate_kbps(gfp, vbr_min_val);
        lame_set_VBR_max_bitrate_kbps(gfp, vbr_max_val);
        lame_set_VBR_hard_min(gfp, enforce_min_val);
    }

    /* not to write id3 tag automatically. */
    lame_set_write_id3tag_automatic(gfp, 0);

    if (lame_init_params(gfp) == -1)
        return 0;

    /* write id3v2 header */
    imp3 = lame_get_id3v2_tag(gfp, encbuffer, sizeof(encbuffer));

    if (imp3 > 0) {
        write_output(encbuffer, imp3);
        id3v2_size = imp3;
    }
    else {
        id3v2_size = 0;
    }

    write_buffer = NULL;
    write_buffer_size = 0;

    return 1;
}