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vp8enc: generate a timestamp for alt-ref frames.

Browse source 
It will fix handling of altref/invisible frames since matroska-mux
drop any fram with no timestamp.

see also:
http://www.webmproject.org/code/specs/container/
The encoder will currently set the AR's timestamp as close as possible
to the previous frame while attempting to provide a timestamp that is
strictly increasing. In cases where the time base given to the encoder
at configure time is not granular enough to allow for this the AR
will share the same timestamp as D, but should be
treated as having no duration.

Fixes bug #652951

Signed-off-by: Alexey Fisher <bug-track@fisher-privat.net>
This commit is contained in:
Alexey Fisher 2011-06-26 15:15:54 +02:00 committed by Sebastian Dröge
parent f0224088c7
commit d1fe501eb7
1 changed files with 2 additions and 0 deletions
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2
ext/vp8/gstvp8enc.c
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@ -939,6 +939,8 @@ gst_vp8_enc_shape_output (GstBaseVideoEncoder * base_video_encoder,
encoder->keyframe_distance++;
}
GST_BUFFER_TIMESTAMP (buf) = GST_BUFFER_TIMESTAMP (frame->src_buffer);
GST_BUFFER_DURATION (buf) = 0;
GST_BUFFER_OFFSET_END (buf) =
_to_granulepos (frame->presentation_frame_number + 1,
inv_count, encoder->keyframe_distance);