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Code Issues Releases Activity

h261: Signal freeze picture release for intra frames

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Freeze picture release should be set to 1 when we're responding to a
fast update request. For simplicity we set it for all intra frames,
including those that starts a GOP.

Fixes issue where Tandberg MXP1700 does not recover from packet loss
state since it's waiting for the freeze picture relase indication.

Bug-Id: 873
CC: libav-stable@libav.org

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Stian Selnes 2014-12-02 18:55:13 +01:00 committed by Luca Barbato
parent dc1de0b958
commit 02b7c63087
3 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/h261enc.c
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@ -64,7 +64,7 @@ void ff_h261_encode_picture_header(MpegEncContext *s, int picture_number)
put_bits(&s->pb, 1, 0); /* split screen off */
put_bits(&s->pb, 1, 0); /* camera off */
put_bits(&s->pb, 1, 0); /* freeze picture release off */
put_bits(&s->pb, 1, s->pict_type == AV_PICTURE_TYPE_I); /* freeze picture release on/off */
format = ff_h261_get_picture_format(s->width, s->height);

2
tests/ref/vsynth/vsynth1-h261
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@ -1,4 +1,4 @@
34263080870c91c5e6c3c7dca799c50d *tests/data/fate/vsynth1-h261.avi
e7adc829541417888df4ac031768679f *tests/data/fate/vsynth1-h261.avi
707576 tests/data/fate/vsynth1-h261.avi
716e83cb51afb1246bfaa80967df48ea *tests/data/fate/vsynth1-h261.out.rawvideo
stddev: 9.11 PSNR: 28.93 MAXDIFF: 113 bytes: 7603200/ 7603200

2
tests/ref/vsynth/vsynth2-h261
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@ -1,4 +1,4 @@
70e9342de71456cd6fbe9a771cceefd5 *tests/data/fate/vsynth2-h261.avi
0292ca022247f978f6e894831310682b *tests/data/fate/vsynth2-h261.avi
257928 tests/data/fate/vsynth2-h261.avi
1a9bb0d52bd24cb62162c5e3c2aed317 *tests/data/fate/vsynth2-h261.out.rawvideo
stddev: 7.21 PSNR: 30.97 MAXDIFF: 96 bytes: 7603200/ 7603200