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audiodecoder: Delay sending of serialized events to finish_frame()

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This commit is contained in:
Sebastian Dröge 2011-09-26 16:19:42 +02:00
parent f3f416004f
commit d0bf465248
1 changed files with 47 additions and 2 deletions
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49
gst-libs/gst/audio/gstaudiodecoder.c
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@ -260,6 +260,8 @@ struct _GstAudioDecoderPrivate
GstClockTime tolerance;
gboolean plc;
/* pending serialized sink events, will be sent from finish_frame() */
GList *pending_events;
};
@ -417,6 +419,10 @@ gst_audio_decoder_reset (GstAudioDecoder * dec, gboolean full)
}
gst_segment_init (&dec->segment, GST_FORMAT_TIME);
g_list_foreach (dec->priv->pending_events, (GFunc) gst_event_unref, NULL);
g_list_free (dec->priv->pending_events);
dec->priv->pending_events = NULL;
}
g_queue_foreach (&dec->priv->frames, (GFunc) gst_buffer_unref, NULL);
@ -707,6 +713,20 @@ gst_audio_decoder_finish_frame (GstAudioDecoder * dec, GstBuffer * buf,
buf ? GST_BUFFER_SIZE (buf) : -1,
buf ? GST_BUFFER_SIZE (buf) / ctx->info.bpf : -1, frames);
if (priv->pending_events) {
GList *pending_events, *l;
GST_OBJECT_LOCK (dec);
pending_events = priv->pending_events;
priv->pending_events = NULL;
GST_OBJECT_UNLOCK (dec);
GST_DEBUG_OBJECT (dec, "Pushing pending events");
for (l = priv->pending_events; l; l = l->next)
gst_pad_push_event (dec->srcpad, l->data);
g_list_free (pending_events);
}
/* output shoud be whole number of sample frames */
if (G_LIKELY (buf && ctx->info.bpf)) {
if (GST_BUFFER_SIZE (buf) % ctx->info.bpf)
@ -1374,6 +1394,12 @@ gst_audio_decoder_sink_eventfunc (GstAudioDecoder * dec, GstEvent * event)
case GST_EVENT_FLUSH_STOP:
/* prepare for fresh start */
gst_audio_decoder_flush (dec, TRUE);
GST_OBJECT_LOCK (dec);
g_list_foreach (dec->priv->pending_events, (GFunc) gst_event_unref, NULL);
g_list_free (dec->priv->pending_events);
dec->priv->pending_events = NULL;
GST_OBJECT_UNLOCK (dec);
break;
case GST_EVENT_EOS:
@ -1407,8 +1433,27 @@ gst_audio_decoder_sink_event (GstPad * pad, GstEvent * event)
if (!handled)
handled = gst_audio_decoder_sink_eventfunc (dec, event);
if (!handled)
ret = gst_pad_event_default (pad, event);
if (!handled) {
/* Forward non-serialized events and EOS/FLUSH_STOP immediately.
* For EOS this is required because no buffer or serialized event
* will come after EOS and nothing could trigger another
* _finish_frame() call.
*
* For FLUSH_STOP this is required because it is expected
* to be forwarded immediately and no buffers are queued anyway.
*/
if (!GST_EVENT_IS_SERIALIZED (event)
|| GST_EVENT_TYPE (event) == GST_EVENT_EOS
|| GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_STOP) {
ret = gst_pad_event_default (pad, event);
} else {
GST_OBJECT_LOCK (dec);
dec->priv->pending_events =
g_list_append (dec->priv->pending_events, event);
GST_OBJECT_UNLOCK (dec);
ret = TRUE;
}
}
GST_DEBUG_OBJECT (dec, "event handled");