[FFmpeg-devel] [PATCH 2/3] avcodec/mpeg4video_parser: Fix incorrect spliting of MPEG-4 studio frames
Michael Niedermayer
michael at niedermayer.cc
Mon Apr 30 00:56:15 EEST 2018
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavcodec/mpeg4video_parser.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/mpeg4video_parser.c b/libavcodec/mpeg4video_parser.c
index b7d6da1f75..453d373e6e 100644
--- a/libavcodec/mpeg4video_parser.c
+++ b/libavcodec/mpeg4video_parser.c
@@ -61,6 +61,8 @@ int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size)
for (; i < buf_size; i++) {
state = (state << 8) | buf[i];
if ((state & 0xFFFFFF00) == 0x100) {
+ if (state == 0x1B7 || state == 0x1B8)
+ continue;
pc->frame_start_found = 0;
pc->state = -1;
return i - 3;
--
2.17.0
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