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basevideoencoder: Delay sending of serialized sink events until finish_frame()

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This commit is contained in:
Sebastian Dröge 2011-07-20 09:25:28 +02:00
parent f011e59943
commit b2525a3044
2 changed files with 48 additions and 2 deletions
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49
gst-libs/gst/video/gstbasevideoencoder.c
View file

@ -188,6 +188,11 @@ gst_base_video_encoder_reset (GstBaseVideoEncoder * base_video_encoder)
gst_event_unref (base_video_encoder->force_keyunit_event);
base_video_encoder->force_keyunit_event = NULL;
}
g_list_foreach (base_video_encoder->current_frame_events,
(GFunc) gst_event_unref, NULL);
g_list_free (base_video_encoder->current_frame_events);
base_video_encoder->current_frame_events = NULL;
}
static void
@ -464,8 +469,27 @@ gst_base_video_encoder_sink_event (GstPad * pad, GstEvent * event)
if (!handled)
handled = gst_base_video_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. *
* If the subclass handles sending of EOS manually it can return
* _DROPPED from ::finish() and all other subclasses should have
* decoded/flushed all remaining data before this
*
* 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_push_event (enc->base_video_codec.srcpad, event);
} else {
enc->current_frame_events =
g_list_prepend (enc->current_frame_events, event);
}
}
GST_DEBUG_OBJECT (enc, "event handled");
@ -641,6 +665,8 @@ gst_base_video_encoder_chain (GstPad * pad, GstBuffer * buf)
frame =
gst_base_video_codec_new_frame (GST_BASE_VIDEO_CODEC
(base_video_encoder));
frame->events = base_video_encoder->current_frame_events;
base_video_encoder->current_frame_events = NULL;
frame->sink_buffer = buf;
frame->presentation_timestamp = GST_BUFFER_TIMESTAMP (buf);
frame->presentation_duration = GST_BUFFER_DURATION (buf);
@ -724,6 +750,7 @@ gst_base_video_encoder_finish_frame (GstBaseVideoEncoder * base_video_encoder,
{
GstFlowReturn ret;
GstBaseVideoEncoderClass *base_video_encoder_class;
GList *l;
g_return_val_if_fail (frame->src_buffer != NULL, GST_FLOW_ERROR);
@ -798,6 +825,24 @@ gst_base_video_encoder_finish_frame (GstBaseVideoEncoder * base_video_encoder,
gst_buffer_set_caps (GST_BUFFER (frame->src_buffer),
GST_PAD_CAPS (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder)));
/* Push all pending events that arrived before this frame */
for (l = base_video_encoder->base_video_codec.frames; l; l = l->next) {
GstVideoFrame *tmp = l->data;
if (tmp->events) {
GList *k;
for (k = g_list_last (tmp->events); k; k = k->prev)
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
k->data);
g_list_free (tmp->events);
tmp->events = NULL;
}
if (tmp == frame)
break;
}
if (frame->force_keyframe) {
GstClockTime stream_time;
GstClockTime running_time;

1
gst-libs/gst/video/gstbasevideoencoder.h
View file

@ -96,6 +96,7 @@ struct _GstBaseVideoEncoder
gint64 max_latency;
GstEvent *force_keyunit_event;
GList *current_frame_events;
union {
void *padding;