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baseaudioencoder: Delay sending of serialized events to finish_frame()

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This commit is contained in:
Sebastian Dröge 2011-08-15 14:14:11 +02:00
parent 0a44778d61
commit c0202cc283
1 changed files with 48 additions and 2 deletions
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50
omx/gstbaseaudioencoder.c
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@ -217,6 +217,9 @@ struct _GstBaseAudioEncoderPrivate
/* context storage */
GstBaseAudioEncoderContext ctx;
/* pending serialized sink events, will be sent from finish_frame() */
GList *pending_events;
};
@ -372,6 +375,10 @@ gst_base_audio_encoder_reset (GstBaseAudioEncoder * enc, gboolean full)
enc->priv->bytes_out = 0;
g_free (enc->ctx->state.channel_pos);
memset (enc->ctx, 0, sizeof (enc->ctx));
g_list_foreach (enc->priv->pending_events, (GFunc) gst_event_unref, NULL);
g_list_free (enc->priv->pending_events);
enc->priv->pending_events = NULL;
}
gst_segment_init (&enc->segment, GST_FORMAT_TIME);
@ -446,6 +453,19 @@ gst_base_audio_encoder_finish_frame (GstBaseAudioEncoder * enc, GstBuffer * buf,
/* mark subclass still alive and providing */
priv->got_data = TRUE;
if (priv->pending_events) {
GList *pending_events, *l;
GST_OBJECT_LOCK (enc);
pending_events = priv->pending_events;
priv->pending_events = NULL;
GST_OBJECT_UNLOCK (enc);
GST_DEBUG_OBJECT (enc, "Pushing pending events");
for (l = priv->pending_events; l; l = l->next)
gst_pad_push_event (enc->srcpad, l->data);
g_list_free (pending_events);
}
/* remove corresponding samples from input */
if (samples < 0)
samples = (enc->priv->offset / ctx->state.bpf);
@ -1108,6 +1128,13 @@ gst_base_audio_encoder_sink_eventfunc (GstBaseAudioEncoder * enc,
klass->flush (enc);
/* and get (re)set for the sequel */
gst_base_audio_encoder_reset (enc, FALSE);
GST_OBJECT_LOCK (enc);
g_list_foreach (enc->priv->pending_events, (GFunc) gst_event_unref, NULL);
g_list_free (enc->priv->pending_events);
enc->priv->pending_events = NULL;
GST_OBJECT_UNLOCK (enc);
break;
case GST_EVENT_EOS:
@ -1141,8 +1168,27 @@ gst_base_audio_encoder_sink_event (GstPad * pad, GstEvent * event)
if (!handled)
handled = gst_base_audio_encoder_sink_eventfunc (enc, 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 (enc);
enc->priv->pending_events =
g_list_append (enc->priv->pending_events, event);
GST_OBJECT_UNLOCK (enc);
ret = TRUE;
}
}
GST_DEBUG_OBJECT (enc, "event handled");