[FFmpeg-devel] [PATCH] avcodec/vpx_rac: Adjust vpx_rac_is_end) threshold
Michael Niedermayer
michael at niedermayer.cc
Sun Aug 28 20:25:45 EEST 2022
A threshold of 180 is needed and sufficient for the sample, twice this is used to
cover potentially worse samples
fate/vp5 changes as the sample file is truncated and the damaged part is handled
differently
Fixes: ticket #9754
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavcodec/vpx_rac.h | 2 +-
tests/ref/fate/vp5 | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/vpx_rac.h b/libavcodec/vpx_rac.h
index b158cc0754..2f5486f501 100644
--- a/libavcodec/vpx_rac.h
+++ b/libavcodec/vpx_rac.h
@@ -52,7 +52,7 @@ static av_always_inline int vpx_rac_is_end(VPXRangeCoder *c)
{
if (c->end <= c->buffer && c->bits >= 0)
c->end_reached ++;
- return c->end_reached > 10;
+ return c->end_reached > 360;
}
static av_always_inline unsigned int vpx_rac_renorm(VPXRangeCoder *c)
diff --git a/tests/ref/fate/vp5 b/tests/ref/fate/vp5
index 09ebe62b25..2116fb9b81 100644
--- a/tests/ref/fate/vp5
+++ b/tests/ref/fate/vp5
@@ -249,4 +249,4 @@
0, 243, 243, 1, 233472, 0x6f530ac6
0, 244, 244, 1, 233472, 0x94f7466c
0, 245, 245, 1, 233472, 0xa8c1d365
-0, 246, 246, 1, 233472, 0x4f3ef38c
+0, 246, 246, 1, 233472, 0xedcff050
--
2.17.1
More information about the ffmpeg-devel
mailing list