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avcodec/extract_extradata: Remove always-true check

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If a sequence header has already been found, it is certain that next
startcode (being disjoint from the sequence header startcode) can begin
at index four at the earliest.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-09-07 14:44:04 +02:00
parent 6d71a25cc4
commit 520d9a8de2
1 changed files with 0 additions and 2 deletions
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2
libavcodec/extract_extradata_bsf.c
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@ -275,7 +275,6 @@ static int extract_extradata_mpeg12(AVBSFContext *ctx, AVPacket *pkt,
if (state == 0x1B3)
found = 1;
else if (found && state != 0x1B5 && state < 0x200 && state >= 0x100) {
if (i > 3) {
*size = i - 3;
*data = av_malloc(*size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!*data)
@ -287,7 +286,6 @@ static int extract_extradata_mpeg12(AVBSFContext *ctx, AVPacket *pkt,
pkt->data += *size;
pkt->size -= *size;
}
}
break;
}
}