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basevideoencoder: Push the downstream force-keyframe event after the next keyframe

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Even if the corresponding GstVideoFrame doesn't have the is_sync_point
flag set.
This commit is contained in:
Sebastian Dröge 2011-11-28 19:35:40 +01:00
parent 209ea84ef4
commit 4501412af3
2 changed files with 17 additions and 12 deletions
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28
gst-libs/gst/video/gstbasevideoencoder.c
View file

@ -179,6 +179,7 @@ gst_base_video_encoder_reset (GstBaseVideoEncoder * base_video_encoder)
base_video_encoder->presentation_frame_number = 0;
base_video_encoder->distance_from_sync = 0;
base_video_encoder->force_keyframe = FALSE;
base_video_encoder->force_keyframe_pending = FALSE;
base_video_encoder->drained = TRUE;
base_video_encoder->min_latency = 0;
@ -782,6 +783,7 @@ gst_base_video_encoder_chain (GstPad * pad, GstBuffer * buf)
base_video_encoder->presentation_frame_number++;
frame->force_keyframe = base_video_encoder->force_keyframe;
base_video_encoder->force_keyframe = FALSE;
base_video_encoder->force_keyframe_pending = TRUE;
GST_BASE_VIDEO_CODEC (base_video_encoder)->frames =
g_list_append (GST_BASE_VIDEO_CODEC (base_video_encoder)->frames, frame);
@ -898,11 +900,20 @@ gst_base_video_encoder_finish_frame (GstBaseVideoEncoder * base_video_encoder,
break;
}
if (frame->force_keyframe) {
/* no buffer data means this frame is skipped/dropped */
if (!frame->src_buffer) {
GST_DEBUG_OBJECT (base_video_encoder, "skipping frame %" GST_TIME_FORMAT,
GST_TIME_ARGS (frame->presentation_timestamp));
goto done;
}
if (frame->is_sync_point && base_video_encoder->force_keyframe_pending) {
GstClockTime stream_time;
GstClockTime running_time;
GstEvent *ev;
base_video_encoder->force_keyframe_pending = FALSE;
running_time =
gst_segment_to_running_time (&GST_BASE_VIDEO_CODEC
(base_video_encoder)->segment, GST_FORMAT_TIME,
@ -921,25 +932,18 @@ gst_base_video_encoder_finish_frame (GstBaseVideoEncoder * base_video_encoder,
"running-time", G_TYPE_UINT64, running_time, NULL);
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), ev);
}
/* no buffer data means this frame is skipped/dropped */
if (!frame->src_buffer) {
GST_DEBUG_OBJECT (base_video_encoder, "skipping frame %" GST_TIME_FORMAT,
GST_TIME_ARGS (frame->presentation_timestamp));
goto done;
}
if (frame->is_sync_point) {
if (base_video_encoder->force_keyframe_headers) {
GST_DEBUG_OBJECT (base_video_encoder, "force_keyframe_headers");
if (base_video_encoder->headers) {
gst_buffer_ref (base_video_encoder->headers);
headers = base_video_encoder->headers;
headers = gst_buffer_ref (base_video_encoder->headers);
}
base_video_encoder->force_keyframe_headers = FALSE;
}
GST_LOG_OBJECT (base_video_encoder, "key frame, headers %p", headers);
}
if (frame->is_sync_point) {
base_video_encoder->distance_from_sync = 0;
GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
} else {

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

@ -85,6 +85,7 @@ struct _GstBaseVideoEncoder
int distance_from_sync;
gboolean force_keyframe;
gboolean force_keyframe_pending;
gboolean force_keyframe_headers;
/*< private >*/