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Code Issues Releases Activity

mpegts: Mark wrongly-sized packets as corrupted

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Signed-off-by: Zohar Kelrich <lumimies@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Zohar Kelrich 2011-07-24 11:13:51 +03:00 committed by Luca Barbato
parent cdb9884a63
commit 5081514269
1 changed files with 7 additions and 2 deletions
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9
libavformat/mpegts.c
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@ -625,6 +625,12 @@ static void new_pes_packet(PESContext *pes, AVPacket *pkt)
pkt->destruct = av_destruct_packet;
pkt->data = pes->buffer;
pkt->size = pes->data_index;
if(pes->total_size != MAX_PES_PAYLOAD &&
pes->pes_header_size + pes->data_index != pes->total_size + 6) {
av_log(pes->ts, AV_LOG_WARNING, "PES packet size mismatch\n");
pes->flags |= AV_PKT_FLAG_CORRUPT;
}
memset(pkt->data+pkt->size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
// Separate out the AC3 substream from an HDMV combined TrueHD/AC3 PID
@ -811,7 +817,6 @@ static int mpegts_push_data(MpegTSFilter *filter,
// pes packet size is < ts size packet and pes data is padded with 0xff
// not sure if this is legal in ts but see issue #2392
buf_size = pes->total_size;
pes->flags |= AV_PKT_FLAG_CORRUPT;
}
memcpy(pes->buffer+pes->data_index, p, buf_size);
pes->data_index += buf_size;
@ -1288,7 +1293,7 @@ static int handle_packet(MpegTSContext *ts, const uint8_t *packet)
tss->last_cc = cc;
if (!cc_ok) {
av_log(NULL, AV_LOG_WARNING, "Continuity Check Failed\n");
av_log(ts, AV_LOG_WARNING, "Continuity Check Failed\n");
if(tss->type == MPEGTS_PES) {
PESContext *pc = tss->u.pes_filter.opaque;
pc->flags |= AV_PKT_FLAG_CORRUPT;