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mpc8: set packet duration and stream start time instead of tracking frames 

Fixes mpc8 timestamps.
This commit is contained in:
Justin Ruggles 2012-08-06 12:38:57 -04:00
parent cf22705e87
commit 2fa57c9daf
1 changed files with 3 additions and 4 deletions
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7
libavformat/mpc8.c
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@ -49,7 +49,6 @@ static const int mpc8_rate[8] = { 44100, 48000, 37800, 32000, -1, -1, -1, -1 };
typedef struct {
int ver;
int frame;
int64_t header_pos;
int64_t samples;
@ -240,6 +239,7 @@ static int mpc8_read_header(AVFormatContext *s)
st->codec->channels = (st->codec->extradata[1] >> 4) + 1;
st->codec->sample_rate = mpc8_rate[st->codec->extradata[0] >> 5];
avpriv_set_pts_info(st, 32, 1152 << (st->codec->extradata[1]&3)*2, st->codec->sample_rate);
st->start_time = 0;
st->duration = c->samples / (1152 << (st->codec->extradata[1]&3)*2);
size -= avio_tell(pb) - pos;
@ -272,7 +272,7 @@ static int mpc8_read_packet(AVFormatContext *s, AVPacket *pkt)
if(av_get_packet(s->pb, pkt, size) < 0)
return AVERROR(ENOMEM);
pkt->stream_index = 0;
pkt->pts = c->frame;
pkt->duration = 1;
return 0;
}
if(tag == TAG_STREAMEND)
@ -285,13 +285,12 @@ static int mpc8_read_packet(AVFormatContext *s, AVPacket *pkt)
static int mpc8_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
{
AVStream *st = s->streams[stream_index];
MPCContext *c = s->priv_data;
int index = av_index_search_timestamp(st, timestamp, flags);
if(index < 0) return -1;
if (avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET) < 0)
return -1;
c->frame = st->index_entries[index].timestamp;
ff_update_cur_dts(s, st, st->index_entries[index].timestamp);
return 0;
}