void
swfdec_playback_close (SwfdecPlayback *sound)
{
pa_operation *op;
#define REMOVE_HANDLER_FULL(obj,func,data,count) G_STMT_START {\
if (g_signal_handlers_disconnect_by_func ((obj), \
G_CALLBACK (func), (data)) != (count)) { \
g_assert_not_reached (); \
} \
} G_STMT_END
#define REMOVE_HANDLER(obj,func,data) REMOVE_HANDLER_FULL (obj, func, data, 1)
while (sound->streams)
swfdec_playback_stream_close (sound->streams->data);
REMOVE_HANDLER (sound->player, advance_before, sound);
REMOVE_HANDLER (sound->player, audio_added, sound);
REMOVE_HANDLER (sound->player, audio_removed, sound);
if (sound->pa != NULL) {
op = pa_context_drain (sound->pa, context_drain_complete, NULL);
if (op == NULL) {
pa_context_disconnect (sound->pa);
pa_context_unref (sound->pa);
} else {
pa_operation_unref (op);
}
pa_glib_mainloop_free (sound->pa_mainloop);
}
g_main_context_unref (sound->context);
g_free (sound);
}
static void
audio_removed (SwfdecPlayer *player, SwfdecAudio *audio, SwfdecPlayback *sound)
{
GList *walk;
for (walk = sound->streams; walk; walk = walk->next) {
Stream *stream = walk->data;
if (stream->audio == audio) {
swfdec_playback_stream_close (stream);
return;
}
}
}
void
swfdec_playback_close (SwfdecPlayback *sound)
{
#define REMOVE_HANDLER_FULL(obj,func,data,count) G_STMT_START {\
if (g_signal_handlers_disconnect_by_func ((obj), \
G_CALLBACK (func), (data)) != (count)) { \
g_assert_not_reached (); \
} \
} G_STMT_END
#define REMOVE_HANDLER(obj,func,data) REMOVE_HANDLER_FULL (obj, func, data, 1)
while (sound->streams)
swfdec_playback_stream_close (sound->streams->data);
REMOVE_HANDLER (sound->player, advance_before, sound);
REMOVE_HANDLER (sound->player, audio_added, sound);
REMOVE_HANDLER (sound->player, audio_removed, sound);
g_main_context_unref (sound->context);
g_free (sound);
}
static void
swfdec_playback_stream_open (SwfdecPlayback *sound, SwfdecAudio *audio)
{
Stream *stream;
pa_sample_spec spec = {
.format = PA_SAMPLE_S16LE,
.rate = 44100,
.channels = CHANNELS,
};
int err;
stream = g_new0 (Stream, 1);
stream->sound = sound;
stream->audio = g_object_ref (audio);
sound->streams = g_list_prepend (sound->streams, stream);
/* If we failed to initialize the context, don't try to create the stream.
* We still have to get put in the list, because swfdec_playback.c expects
* to find it in the list for removal later.
*/
if (sound->pa == NULL)
return;
/* Create our stream */
stream->pa = pa_stream_new(sound->pa,
"swfdec stream",
&spec,
NULL /* Default channel map */
);
if (stream->pa == NULL) {
g_printerr("Failed to create PA stream\n");
swfdec_playback_stream_close(stream);
return;
}
/* Start at default volume */
pa_cvolume_set(&stream->volume, CHANNELS, PA_VOLUME_NORM);
/* Hook up our stream write callback for when new data is needed */
pa_stream_set_state_callback(stream->pa, stream_state_callback, stream);
pa_stream_set_write_callback(stream->pa, stream_write_callback, stream);
/* Connect it up as a playback stream. */
err = pa_stream_connect_playback(stream->pa,
NULL, /* Default device */
NULL /* Default buffering */,
0, /* No flags */
&stream->volume,
NULL /* Don't sync to any stream */
);
if (err != 0) {
g_printerr ("Failed to connect PA stream: %s\n",
pa_strerror(pa_context_errno(sound->pa)));
swfdec_playback_stream_close(stream);
return;
}
}
/*** SOUND ***/
static void
advance_before (SwfdecPlayer *player, guint msecs, guint audio_samples, gpointer data)
{
SwfdecPlayback *sound = data;
GList *walk;
for (walk = sound->streams; walk; walk = walk->next) {
Stream *stream = walk->data;
if (audio_samples >= stream->offset) {
stream->offset = 0;
} else {
stream->offset -= audio_samples;
}
}
}