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In mpegts muxer, search for h264 aud nal, it might not be the first nal.

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Improve ther error message when bitstream is malformated and tell user to use
the bitstream filter.

Originally committed as revision 22354 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2010-03-08 23:59:05 +00:00
parent f4495cdc00
commit e17d77bb67
1 changed files with 13 additions and 2 deletions
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15
libavformat/mpegtsenc.c
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@ -783,11 +783,22 @@ static int mpegts_write_packet(AVFormatContext *s, AVPacket *pkt)
ts_st->first_pts_check = 0; ts_st->first_pts_check = 0;
if (st->codec->codec_id == CODEC_ID_H264) { if (st->codec->codec_id == 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 (pkt->size < 5 || AV_RB32(pkt->data) != 0x0000001) {
av_log(s, AV_LOG_ERROR, "h264 bitstream malformated\n"); av_log(s, AV_LOG_ERROR, "h264 bitstream malformated, "
"no startcode found, use -vbsf h264_mp4toannexb\n");
return -1; return -1;
} }
if (pkt->data[4] != 0x09) { // AUD NAL
do {
p = ff_find_start_code(p, buf_end, &state);
//av_log(s, AV_LOG_INFO, "nal %d\n", state & 0x1f);
} while (p < buf_end && (state & 0x1f) != 9 &&
(state & 0x1f) != 5 && (state & 0x1f) != 1);
if ((state & 0x1f) != 9) { // AUD NAL
data = av_malloc(pkt->size+6); data = av_malloc(pkt->size+6);
if (!data) if (!data)
return -1; return -1;