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timestamp fix

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Originally committed as revision 3732 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-12-06 16:40:10 +00:00
parent d43ed92def
commit d880240e18
1 changed files with 22 additions and 2 deletions
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24
libavformat/rm.c
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@ -628,6 +628,7 @@ static int rm_read_header(AVFormatContext *s, AVFormatParameters *ap)
codec_data_size = get_be32(pb);
codec_pos = url_ftell(pb);
st->codec.codec_type = CODEC_TYPE_DATA;
av_set_pts_info(st, 64, 1, 1000);
v = get_be32(pb);
if (v == MKTAG(0xfd, 'a', 'r', '.')) {
@ -724,7 +725,7 @@ static int rm_read_packet(AVFormatContext *s, AVPacket *pkt)
AVStream *st;
int len, num, timestamp, i, tmp, j;
uint8_t *ptr;
int flags;
int flags, res;
if (rm->old_format) {
/* just read raw bytes */
@ -748,8 +749,11 @@ static int rm_read_packet(AVFormatContext *s, AVPacket *pkt)
return AVERROR_IO;
num = get_be16(pb);
timestamp = get_be32(pb);
get_byte(pb); /* reserved */
res= get_byte(pb); /* reserved */
flags = get_byte(pb); /* flags */
// av_log(s, AV_LOG_DEBUG, "%d %d %X %d\n", num, timestamp, flags, res);
rm->nb_packets--;
len -= 12;
@ -798,6 +802,22 @@ static int rm_read_packet(AVFormatContext *s, AVPacket *pkt)
av_new_packet(pkt, len);
pkt->stream_index = i;
get_buffer(pb, pkt->data, len);
#if 0
if (st->codec.codec_type == CODEC_TYPE_VIDEO) {
if(st->codec.codec_id == CODEC_ID_RV20){
int seq= 128*(pkt->data[2]&0x7F) + (pkt->data[3]>>1);
av_log(NULL, AV_LOG_DEBUG, "%d %Ld %d\n", timestamp, timestamp*512LL/25, seq);
seq |= (timestamp&~0x3FFF);
if(seq - timestamp > 0x2000) seq -= 0x4000;
if(seq - timestamp < -0x2000) seq += 0x4000;
}
}
#endif
pkt->pts= timestamp;
if(flags&2)
pkt->flags |= PKT_FLAG_KEY;
}
/* for AC3, needs to swap bytes */