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Code Issues Releases Activity

avcodec/mpeg4video_parser: Fix incorrect spliting of MPEG-4 studio frames

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer
2018-04-29 23:56:15 +02:00
parent 0f176bb8e0
commit a47bd1cd1c
1 changed files with 2 additions and 0 deletions
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2
libavcodec/mpeg4video_parser.c
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@ -61,6 +61,8 @@ int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size)
for (; i < buf_size; i++) { for (; i < buf_size; i++) {
state = (state << 8) | buf[i]; state = (state << 8) | buf[i];
if ((state & 0xFFFFFF00) == 0x100) { if ((state & 0xFFFFFF00) == 0x100) {
if (state == SLICE_STARTCODE || state == EXT_STARTCODE)
continue;
pc->frame_start_found = 0; pc->frame_start_found = 0;
pc->state = -1; pc->state = -1;
return i - 3; return i - 3;