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mpegts: fix handling of files smaller than 8kb

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Fixes Ticket1094

Analyzed-by: mjs973
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-14 02:38:13 +02:00
parent 0db047cd0f
commit 04064e1c20
1 changed files with 2 additions and 4 deletions
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6
libavformat/mpegts.c
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@ -1929,16 +1929,14 @@ static int mpegts_read_header(AVFormatContext *s)
{
MpegTSContext *ts = s->priv_data;
AVIOContext *pb = s->pb;
uint8_t buf[8*1024];
uint8_t buf[8*1024]={0};
int len;
int64_t pos;
/* read the first 8192 bytes to get packet size */
pos = avio_tell(pb);
len = avio_read(pb, buf, sizeof(buf));
if (len != sizeof(buf))
goto fail;
ts->raw_packet_size = get_packet_size(buf, sizeof(buf));
ts->raw_packet_size = get_packet_size(buf, len);
if (ts->raw_packet_size <= 0) {
av_log(s, AV_LOG_WARNING, "Could not detect TS packet size, defaulting to non-FEC/DVHS\n");
ts->raw_packet_size = TS_PACKET_SIZE;