C++ (Cpp) switch_buffer_set_loops Examples

Example #1

File: mod_spidermonkey_teletone.c Project: PauloFer1/FreeSWITCH

static JSBool teletone_generate(JSContext * cx, JSObject * obj, uintN argc, jsval * argv, jsval * rval)
{
	struct teletone_obj *tto = JS_GetPrivate(cx, obj);
	int32 loops = 0;

	if (argc > 0) {
		char *script;
		switch_core_session_t *session;
		switch_frame_t write_frame = { 0 };
		unsigned char *fdata[1024];
		switch_frame_t *read_frame;
		switch_channel_t *channel;

		if (argc > 1) {
			if (!JS_ValueToInt32(cx, argv[1], &loops)) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot Convert to INT\n");
				return JS_FALSE;
			}
			loops--;
		}

		if (tto->audio_buffer) {
			switch_buffer_zero(tto->audio_buffer);
		}

		tto->ts.debug = 1;
		tto->ts.debug_stream = switch_core_get_console();

		script = JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
		teletone_run(&tto->ts, script);

		session = tto->session;
		write_frame.codec = &tto->codec;
		write_frame.data = fdata;
		write_frame.buflen = sizeof(fdata);

		channel = switch_core_session_get_channel(session);

		if (tto->timer) {
			switch_core_service_session(session);
		}

		if (loops) {
			switch_buffer_set_loops(tto->audio_buffer, loops);
		}

		for (;;) {

			if (switch_test_flag(tto, TTF_DTMF)) {
				char dtmf[128];
				char *ret;

				if (switch_channel_has_dtmf(channel)) {
					uintN aargc = 0;
					jsval aargv[4];

					switch_channel_dequeue_dtmf_string(channel, dtmf, sizeof(dtmf));
					aargv[aargc++] = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, dtmf));
					JS_CallFunction(cx, obj, tto->function, aargc, aargv, &tto->ret);
					ret = JS_GetStringBytes(JS_ValueToString(cx, tto->ret));
					if (strcmp(ret, "true") && strcmp(ret, "undefined")) {
						*rval = tto->ret;
						return JS_TRUE;
					}
				}
			}

			if (tto->timer) {
				if (switch_core_timer_next(tto->timer) != SWITCH_STATUS_SUCCESS) {
					break;
				}

			} else {
				switch_status_t status;
				status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);

				if (!SWITCH_READ_ACCEPTABLE(status)) {
					break;
				}
			}
			if ((write_frame.datalen = (uint32_t) switch_buffer_read_loop(tto->audio_buffer,
																		  fdata, write_frame.codec->implementation->decoded_bytes_per_packet)) <= 0) {
				break;
			}

			write_frame.samples = write_frame.datalen / 2;
			if (switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0) != SWITCH_STATUS_SUCCESS) {
				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Bad Write\n");
				break;
			}
		}

		if (tto->timer) {
			switch_core_thread_session_end(session);
		}
		return JS_TRUE;
	}

	return JS_FALSE;
}

Example #2

File: mod_tone_stream.c Project: odmanV2/freecenter

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;
}