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basevideodecoder: add option to hande alt frame data

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altref/invisible 'frame' do not describe some frame directly, so it can't be
displayed and timestamps should not be updated.

Fix bug: https://bugzilla.gnome.org/show_bug.cgi?id=655245
Signed-off-by: Oleksij Rempel (Alexey Fisher) <bug-track@fisher-privat.net>
This commit is contained in:
Oleksij Rempel (Alexey Fisher) 2012-01-04 11:09:23 +01:00 committed by Sebastian Dröge
parent 360cbaa46c
commit 1d0507af89
2 changed files with 10 additions and 1 deletions
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4
gst-libs/gst/video/gstbasevideocodec.h
View file

@ -124,6 +124,10 @@ struct _GstVideoFrame
gboolean is_sync_point; gboolean is_sync_point;
gboolean is_eos; gboolean is_eos;
/* Frames that should not be pushed downstream and are
* not meant for display */
gboolean decode_only;
GstBuffer *sink_buffer; GstBuffer *sink_buffer;
GstBuffer *src_buffer; GstBuffer *src_buffer;

7
gst-libs/gst/video/gstbasevideodecoder.c
View file

@ -1411,6 +1411,11 @@ gst_base_video_decoder_prepare_finish_frame (GstBaseVideoDecoder *
} }
g_list_free (events); g_list_free (events);
/* Check if the data should not be displayed. For example altref/invisible
* frame in vp8. In this case we should not update the timestamps. */
if (frame->decode_only)
return;
if (GST_CLOCK_TIME_IS_VALID (frame->presentation_timestamp)) { if (GST_CLOCK_TIME_IS_VALID (frame->presentation_timestamp)) {
if (frame->presentation_timestamp != base_video_decoder->timestamp_offset) { if (frame->presentation_timestamp != base_video_decoder->timestamp_offset) {
GST_DEBUG_OBJECT (base_video_decoder, GST_DEBUG_OBJECT (base_video_decoder,
@ -1564,7 +1569,7 @@ gst_base_video_decoder_finish_frame (GstBaseVideoDecoder * base_video_decoder,
base_video_decoder->processed++; base_video_decoder->processed++;
/* no buffer data means this frame is skipped */ /* no buffer data means this frame is skipped */
if (!frame->src_buffer) { if (!frame->src_buffer || frame->decode_only) {
GST_DEBUG_OBJECT (base_video_decoder, "skipping frame %" GST_TIME_FORMAT, GST_DEBUG_OBJECT (base_video_decoder, "skipping frame %" GST_TIME_FORMAT,
GST_TIME_ARGS (frame->presentation_timestamp)); GST_TIME_ARGS (frame->presentation_timestamp));
goto done; goto done;