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mpegts: Do not call read_sl_header() when no bytes remain in the buffer.

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
This commit is contained in:
Alex Converse 2012-03-02 10:12:11 -08:00
parent 9d87374ec0
commit 4df369692e
1 changed files with 1 additions and 1 deletions
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2
libavformat/mpegts.c
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@ -889,7 +889,7 @@ static int mpegts_push_data(MpegTSFilter *filter,
/* we got the full header. We parse it and get the payload */
pes->state = MPEGTS_PAYLOAD;
pes->data_index = 0;
if (pes->stream_type == 0x12) {
if (pes->stream_type == 0x12 && buf_size > 0) {
int sl_header_bytes = read_sl_header(pes, &pes->sl, p, buf_size);
pes->pes_header_size += sl_header_bytes;
p += sl_header_bytes;