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In ts demuxer, if pes packet size is < ts packet, honor pes packet and skip padded data.

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Fixes issue #2392.

Originally committed as revision 25841 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2010-11-29 03:43:56 +00:00
parent 79561f0ed4
commit 74f726209f
1 changed files with 5 additions and 1 deletions
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6
libavformat/mpegts.c
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@ -797,13 +797,17 @@ static int mpegts_push_data(MpegTSFilter *filter,
break; break;
case MPEGTS_PAYLOAD: case MPEGTS_PAYLOAD:
if (buf_size > 0 && pes->buffer) { if (buf_size > 0 && pes->buffer) {
if (pes->data_index+buf_size > pes->total_size) { if (pes->data_index > 0 && pes->data_index+buf_size > pes->total_size) {
new_pes_packet(pes, ts->pkt); new_pes_packet(pes, ts->pkt);
pes->total_size = MAX_PES_PAYLOAD; pes->total_size = MAX_PES_PAYLOAD;
pes->buffer = av_malloc(pes->total_size+FF_INPUT_BUFFER_PADDING_SIZE); pes->buffer = av_malloc(pes->total_size+FF_INPUT_BUFFER_PADDING_SIZE);
if (!pes->buffer) if (!pes->buffer)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
ts->stop_parse = 1; ts->stop_parse = 1;
} else if (pes->data_index == 0 && buf_size > pes->total_size) {
// 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;
} }
memcpy(pes->buffer+pes->data_index, p, buf_size); memcpy(pes->buffer+pes->data_index, p, buf_size);
pes->data_index += buf_size; pes->data_index += buf_size;