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avformat/mpegtsenc: move startcode validity check to ff_check_h264_startcode

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Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Peter Ross 2014-03-30 12:41:01 +11:00 committed by Michael Niedermayer
parent 7aa3979b8c
commit e61973db6c
2 changed files with 22 additions and 9 deletions
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6
libavformat/mpegts.h
View File

@ -105,4 +105,10 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
Mp4Descr *mp4_descr, int mp4_descr_count, int pid,
MpegTSContext *ts);
/**
* Check presence of H264 startcode
* @return <0 to stop processing
*/
int ff_check_h264_startcode(AVFormatContext *s, const AVStream *st, const AVPacket *pkt);
#endif /* AVFORMAT_MPEGTS_H */

25
libavformat/mpegtsenc.c
View File

@ -1162,6 +1162,19 @@ static void mpegts_write_pes(AVFormatContext *s, AVStream *st,
ts_st->prev_payload_key = key;
}
int ff_check_h264_startcode(AVFormatContext *s, const AVStream *st, const AVPacket *pkt)
{
if (pkt->size < 5 || AV_RB32(pkt->data) != 0x0000001) {
if (!st->nb_frames) {
av_log(s, AV_LOG_ERROR, "H.264 bitstream malformed, "
"no startcode found, use the h264_mp4toannexb bitstream filter (-bsf h264_mp4toannexb)\n");
return AVERROR(EINVAL);
}
av_log(s, AV_LOG_WARNING, "H.264 bitstream error, startcode missing\n");
}
return 0;
}
static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
{
AVStream *st = s->streams[pkt->stream_index];
@ -1201,15 +1214,9 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
if (st->codec->codec_id == AV_CODEC_ID_H264) {
const uint8_t *p = buf, *buf_end = p+size;
uint32_t state = -1;
if (pkt->size < 5 || AV_RB32(pkt->data) != 0x0000001) {
if (!st->nb_frames) {
av_log(s, AV_LOG_ERROR, "H.264 bitstream malformed, "
"no startcode found, use the h264_mp4toannexb bitstream filter (-bsf h264_mp4toannexb)\n");
return AVERROR(EINVAL);
}
av_log(s, AV_LOG_WARNING, "H.264 bitstream error, startcode missing\n");
}
int ret = ff_check_h264_startcode(s, st, pkt);
if (ret < 0)
return ret;
do {
p = avpriv_find_start_code(p, buf_end, &state);