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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-03-03 07:43:32 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-03-03 18:35:46 +0100 |
| commit | e732d0f60872bf273eb56ef17b23a543fd74479f (patch) | |
| tree | dc1ade5dfc7e3adfd9819094fcbef9a8788a1533 /libavformat/mpegts.c | |
| parent | c6810d98a54a45b242dcec47867180da53162de8 (diff) | |
mpeg-ts: fix handling of size=0 SL headers.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/mpegts.c')
| -rw-r--r-- | libavformat/mpegts.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 81649c7cb6..3d825fe193 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -710,6 +710,12 @@ static int read_sl_header(PESContext *pes, SLConfigDescr *sl, const uint8_t *buf int padding_flag = 0, padding_bits = 0, inst_bitrate_flag = 0; int dts_flag = -1, cts_flag = -1; int64_t dts = AV_NOPTS_VALUE, cts = AV_NOPTS_VALUE; + + if (buf_size<=0) { + av_log(0,AV_LOG_WARNING, "empty SL header\n"); + return 0; + } + init_get_bits(&gb, buf, buf_size*8); if (sl->use_au_start) |