C++ (Cpp) decoder_run_file Examples

Example #1

File: decoder_thread.c Project: GunioRobot/mpd

static void
decoder_run_song(struct decoder_control *dc,
		 const struct song *song, const char *uri)
{
	struct decoder decoder = {
		.dc = dc,
	};
	int ret;

	decoder.timestamp = 0.0;
	decoder.seeking = false;
	decoder.song_tag = song->tag != NULL && song_is_file(song)
		? tag_dup(song->tag) : NULL;
	decoder.stream_tag = NULL;
	decoder.decoder_tag = NULL;
	decoder.chunk = NULL;

	dc->state = DECODE_STATE_START;

	decoder_command_finished_locked(dc);

	pcm_convert_init(&decoder.conv_state);

	ret = song_is_file(song)
		? decoder_run_file(&decoder, uri)
		: decoder_run_stream(&decoder, uri);

	decoder_unlock(dc);

	pcm_convert_deinit(&decoder.conv_state);

	/* flush the last chunk */

	if (decoder.chunk != NULL)
		decoder_flush_chunk(&decoder);

	if (decoder.song_tag != NULL)
		tag_free(decoder.song_tag);

	if (decoder.stream_tag != NULL)
		tag_free(decoder.stream_tag);

	if (decoder.decoder_tag != NULL)
		tag_free(decoder.decoder_tag);

	decoder_lock(dc);

	dc->state = ret ? DECODE_STATE_STOP : DECODE_STATE_ERROR;
}

Example #2

File: decoder_thread.c Project: aznrice/android-mpd

static void
decoder_run_song(struct decoder_control *dc,
		 const struct song *song, const char *uri)
{
	struct decoder decoder = {
		.dc = dc,
		.initial_seek_pending = dc->start_ms > 0,
		.initial_seek_running = false,
	};
	int ret;

	decoder.timestamp = 0.0;
	decoder.seeking = false;
	decoder.song_tag = song->tag != NULL && song_is_file(song)
		? tag_dup(song->tag) : NULL;
	decoder.stream_tag = NULL;
	decoder.decoder_tag = NULL;
	decoder.chunk = NULL;

	dc->state = DECODE_STATE_START;

	decoder_command_finished_locked(dc);

	pcm_convert_init(&decoder.conv_state);

	ret = song_is_file(song)
		? decoder_run_file(&decoder, uri)
		: decoder_run_stream(&decoder, uri);

	decoder_unlock(dc);

	pcm_convert_deinit(&decoder.conv_state);

	/* flush the last chunk */

	if (decoder.chunk != NULL)
		decoder_flush_chunk(&decoder);

	if (decoder.song_tag != NULL)
		tag_free(decoder.song_tag);

	if (decoder.stream_tag != NULL)
		tag_free(decoder.stream_tag);

	if (decoder.decoder_tag != NULL)
		tag_free(decoder.decoder_tag);

	decoder_lock(dc);

	dc->state = ret ? DECODE_STATE_STOP : DECODE_STATE_ERROR;
}

static void
decoder_run(struct decoder_control *dc)
{
	const struct song *song = dc->song;
	char *uri;

	assert(song != NULL);

	if (song_is_file(song))
		uri = map_song_fs(song);
	else
		uri = song_get_uri(song);

	if (uri == NULL) {
		dc->state = DECODE_STATE_ERROR;
		decoder_command_finished_locked(dc);
		return;
	}

	decoder_run_song(dc, song, uri);
	g_free(uri);

}

static gpointer
decoder_task(gpointer arg)
{
	struct decoder_control *dc = arg;

	decoder_lock(dc);

	do {
		assert(dc->state == DECODE_STATE_STOP ||
		       dc->state == DECODE_STATE_ERROR);

		switch (dc->command) {
		case DECODE_COMMAND_START:
			dc_mixramp_start(dc, NULL);
			dc_mixramp_prev_end(dc, dc->mixramp_end);
			dc->mixramp_end = NULL; /* Don't free, it's copied above. */
			dc->replay_gain_prev_db = dc->replay_gain_db;
			dc->replay_gain_db = 0;

                        /* fall through */

		case DECODE_COMMAND_SEEK:
			decoder_run(dc);
			break;

		case DECODE_COMMAND_STOP:
			decoder_command_finished_locked(dc);
			break;

		case DECODE_COMMAND_NONE:
			decoder_wait(dc);
			break;
		}
	} while (dc->command != DECODE_COMMAND_NONE || !dc->quit);

	decoder_unlock(dc);

	return NULL;
}

void
decoder_thread_start(struct decoder_control *dc)
{
	GError *e = NULL;

	assert(dc->thread == NULL);

	dc->quit = false;

	dc->thread = g_thread_create(decoder_task, dc, true, &e);
	if (dc->thread == NULL)
		MPD_ERROR("Failed to spawn decoder task: %s", e->message);
}

Example #3

File: decoder_thread.c Project: pallotron/MPD

static void
decoder_run_song(struct decoder_control *dc,
		 const struct song *song, const char *uri)
{
	struct decoder decoder = {
		.dc = dc,
		.initial_seek_pending = dc->start_ms > 0,
		.initial_seek_running = false,
	};
	int ret;

	decoder.timestamp = 0.0;
	decoder.seeking = false;
	decoder.song_tag = song->tag != NULL && song_is_file(song)
		? tag_dup(song->tag) : NULL;
	decoder.stream_tag = NULL;
	decoder.decoder_tag = NULL;
	decoder.chunk = NULL;

	dc->state = DECODE_STATE_START;

	decoder_command_finished_locked(dc);

	pcm_convert_init(&decoder.conv_state);

	ret = song_is_file(song)
		? decoder_run_file(&decoder, uri)
		: decoder_run_stream(&decoder, uri);

	decoder_unlock(dc);

	pcm_convert_deinit(&decoder.conv_state);

	/* flush the last chunk */

	if (decoder.chunk != NULL)
		decoder_flush_chunk(&decoder);

	if (decoder.song_tag != NULL)
		tag_free(decoder.song_tag);

	if (decoder.stream_tag != NULL)
		tag_free(decoder.stream_tag);

	if (decoder.decoder_tag != NULL)
		tag_free(decoder.decoder_tag);

	decoder_lock(dc);

	if (ret)
		dc->state = DECODE_STATE_STOP;
	else {
		dc->state = DECODE_STATE_ERROR;

		const char *error_uri = song->uri;
		char *allocated = uri_remove_auth(error_uri);
		if (allocated != NULL)
			error_uri = allocated;

		dc->error = g_error_new(decoder_quark(), 0,
					"Failed to decode %s", error_uri);
		g_free(allocated);
	}
}

static void
decoder_run(struct decoder_control *dc)
{
	dc_clear_error(dc);

	const struct song *song = dc->song;
	char *uri;

	assert(song != NULL);

	if (song_is_file(song))
		uri = map_song_fs(song);
	else
		uri = song_get_uri(song);

	if (uri == NULL) {
		dc->state = DECODE_STATE_ERROR;
		dc->error = g_error_new(decoder_quark(), 0,
					"Failed to map song");

		decoder_command_finished_locked(dc);
		return;
	}

	decoder_run_song(dc, song, uri);
	g_free(uri);

}