mirror of https://git.ffmpeg.org/ffmpeg.git
another chapter in the neverending mov demuxer cleanup
a timebase isnt an average frame rate neither can highlevel (considering edit lists) duration be mixed with lowlevel ones Originally committed as revision 4391 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
b4b87d4841
commit
961e0ccdca
|
@ -652,7 +652,7 @@ static int mov_read_mdhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
|
||||||
#ifdef DEBUG
|
#ifdef DEBUG
|
||||||
av_log(NULL, AV_LOG_DEBUG, "track[%i].time_scale = %i\n", c->fc->nb_streams-1, c->streams[c->fc->nb_streams-1]->time_scale); /* time scale */
|
av_log(NULL, AV_LOG_DEBUG, "track[%i].time_scale = %i\n", c->fc->nb_streams-1, c->streams[c->fc->nb_streams-1]->time_scale); /* time scale */
|
||||||
#endif
|
#endif
|
||||||
get_be32(pb); /* duration */
|
c->fc->streams[c->fc->nb_streams-1]->duration= get_be32(pb); /* duration */
|
||||||
|
|
||||||
get_be16(pb); /* language */
|
get_be16(pb); /* language */
|
||||||
get_be16(pb); /* quality */
|
get_be16(pb); /* quality */
|
||||||
|
@ -1338,44 +1338,20 @@ av_log(NULL, AV_LOG_DEBUG, "track[%i].stts.entries = %i\n", c->fc->nb_streams-1,
|
||||||
sample_duration = get_be32(pb);
|
sample_duration = get_be32(pb);
|
||||||
c->streams[c->fc->nb_streams - 1]->stts_data[i].count= sample_count;
|
c->streams[c->fc->nb_streams - 1]->stts_data[i].count= sample_count;
|
||||||
c->streams[c->fc->nb_streams - 1]->stts_data[i].duration= sample_duration;
|
c->streams[c->fc->nb_streams - 1]->stts_data[i].duration= sample_duration;
|
||||||
|
|
||||||
#ifdef DEBUG
|
#ifdef DEBUG
|
||||||
av_log(NULL, AV_LOG_DEBUG, "sample_count=%d, sample_duration=%d\n",sample_count,sample_duration);
|
av_log(NULL, AV_LOG_DEBUG, "sample_count=%d, sample_duration=%d\n",sample_count,sample_duration);
|
||||||
#endif
|
#endif
|
||||||
duration+=sample_duration*sample_count;
|
duration+=sample_duration*sample_count;
|
||||||
total_sample_count+=sample_count;
|
total_sample_count+=sample_count;
|
||||||
|
|
||||||
#if 0 //We calculate an average instead, needed by .mp4-files created with nec e606 3g phone
|
|
||||||
|
|
||||||
if (!i && st->codec.codec_type==CODEC_TYPE_VIDEO) {
|
|
||||||
st->codec.time_base.num = sample_duration ? sample_duration : 1;
|
|
||||||
st->codec.time_base.den = c->streams[c->fc->nb_streams-1]->time_scale;
|
|
||||||
#ifdef DEBUG
|
|
||||||
av_log(NULL, AV_LOG_DEBUG, "VIDEO FRAME RATE= %i (sd= %i)\n", st->codec.time_base.den, sample_duration);
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/*The stsd atom which contain codec type sometimes comes after the stts so we cannot check for codec_type*/
|
av_set_pts_info(st, 64, 1, c->streams[c->fc->nb_streams-1]->time_scale);
|
||||||
if(duration>0)
|
// st->codec.time_base.num = 1;
|
||||||
{
|
// st->codec.time_base.den = c->streams[c->fc->nb_streams-1]->time_scale;
|
||||||
av_reduce(
|
st->nb_frames= total_sample_count;
|
||||||
&st->codec.time_base.den,
|
if(duration)
|
||||||
&st->codec.time_base.num,
|
st->duration= duration;
|
||||||
c->streams[c->fc->nb_streams-1]->time_scale * total_sample_count,
|
|
||||||
duration,
|
|
||||||
INT_MAX
|
|
||||||
);
|
|
||||||
|
|
||||||
#ifdef DEBUG
|
|
||||||
av_log(NULL, AV_LOG_DEBUG, "FRAME RATE average (video or audio)= %f (tot sample count= %i ,tot dur= %i timescale=%d)\n", (float)st->codec.time_base.den/st->codec.time_base.num,total_sample_count,duration,c->streams[c->fc->nb_streams-1]->time_scale);
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
st->codec.time_base.num = 1;
|
|
||||||
st->codec.time_base.den = c->streams[c->fc->nb_streams-1]->time_scale;
|
|
||||||
}
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1425,7 +1401,6 @@ static int mov_read_trak(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
|
||||||
st->priv_data = sc;
|
st->priv_data = sc;
|
||||||
st->codec.codec_type = CODEC_TYPE_MOV_OTHER;
|
st->codec.codec_type = CODEC_TYPE_MOV_OTHER;
|
||||||
st->start_time = 0; /* XXX: check */
|
st->start_time = 0; /* XXX: check */
|
||||||
st->duration = (c->duration * (int64_t)AV_TIME_BASE) / c->time_scale;
|
|
||||||
c->streams[c->fc->nb_streams-1] = sc;
|
c->streams[c->fc->nb_streams-1] = sc;
|
||||||
|
|
||||||
return mov_read_default(c, pb, atom);
|
return mov_read_default(c, pb, atom);
|
||||||
|
@ -1455,7 +1430,7 @@ static int mov_read_tkhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
|
||||||
st->id = (int)get_be32(pb); /* track id (NOT 0 !)*/
|
st->id = (int)get_be32(pb); /* track id (NOT 0 !)*/
|
||||||
get_be32(pb); /* reserved */
|
get_be32(pb); /* reserved */
|
||||||
st->start_time = 0; /* check */
|
st->start_time = 0; /* check */
|
||||||
st->duration = (get_be32(pb) * (int64_t)AV_TIME_BASE) / c->time_scale; /* duration */
|
get_be32(pb); /* highlevel (considering edits) duration in movie timebase */
|
||||||
get_be32(pb); /* reserved */
|
get_be32(pb); /* reserved */
|
||||||
get_be32(pb); /* reserved */
|
get_be32(pb); /* reserved */
|
||||||
|
|
||||||
|
@ -2033,12 +2008,8 @@ readchunk:
|
||||||
pts = dts + duration;
|
pts = dts + duration;
|
||||||
}else
|
}else
|
||||||
pts = dts;
|
pts = dts;
|
||||||
pkt->pts = av_rescale( pts,
|
pkt->pts = pts;
|
||||||
(int64_t)s->streams[sc->ffindex]->time_base.den,
|
pkt->dts = dts;
|
||||||
(int64_t)sc->time_scale * (int64_t)s->streams[sc->ffindex]->time_base.num );
|
|
||||||
pkt->dts = av_rescale( dts,
|
|
||||||
(int64_t)s->streams[sc->ffindex]->time_base.den,
|
|
||||||
(int64_t)sc->time_scale * (int64_t)s->streams[sc->ffindex]->time_base.num );
|
|
||||||
#ifdef DEBUG
|
#ifdef DEBUG
|
||||||
av_log(NULL, AV_LOG_DEBUG, "stream #%d smp #%ld dts = %lld pts = %lld (smp:%ld time:%lld idx:%d ent:%d count:%d dur:%d)\n"
|
av_log(NULL, AV_LOG_DEBUG, "stream #%d smp #%ld dts = %lld pts = %lld (smp:%ld time:%lld idx:%d ent:%d count:%d dur:%d)\n"
|
||||||
, pkt->stream_index, sc->current_sample-1, pkt->dts, pkt->pts
|
, pkt->stream_index, sc->current_sample-1, pkt->dts, pkt->pts
|
||||||
|
@ -2058,12 +2029,11 @@ readchunk:
|
||||||
/**
|
/**
|
||||||
* Seek method based on the one described in the Appendix C of QTFileFormat.pdf
|
* Seek method based on the one described in the Appendix C of QTFileFormat.pdf
|
||||||
*/
|
*/
|
||||||
static int mov_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
|
static int mov_read_seek(AVFormatContext *s, int stream_index, int64_t sample_time, int flags)
|
||||||
{
|
{
|
||||||
MOVContext* mov = (MOVContext *) s->priv_data;
|
MOVContext* mov = (MOVContext *) s->priv_data;
|
||||||
MOVStreamContext* sc;
|
MOVStreamContext* sc;
|
||||||
int32_t i, a, b, m;
|
int32_t i, a, b, m;
|
||||||
int64_t sample_time;
|
|
||||||
int64_t start_time;
|
int64_t start_time;
|
||||||
int32_t seek_sample, sample;
|
int32_t seek_sample, sample;
|
||||||
int32_t duration;
|
int32_t duration;
|
||||||
|
@ -2100,10 +2070,6 @@ static int mov_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
|
||||||
#ifdef DEBUG
|
#ifdef DEBUG
|
||||||
av_log(s, AV_LOG_DEBUG, "Searching for time %li in stream #%i (time_scale=%i)\n", (long)timestamp, mov_idx, sc->time_scale);
|
av_log(s, AV_LOG_DEBUG, "Searching for time %li in stream #%i (time_scale=%i)\n", (long)timestamp, mov_idx, sc->time_scale);
|
||||||
#endif
|
#endif
|
||||||
// convert timestamp from time_base unit to timescale unit
|
|
||||||
sample_time = av_rescale( timestamp,
|
|
||||||
(int64_t)sc->time_scale * s->streams[stream_index]->time_base.num,
|
|
||||||
(int64_t)s->streams[stream_index]->time_base.den);
|
|
||||||
start_time = 0; // FIXME use elst atom
|
start_time = 0; // FIXME use elst atom
|
||||||
sample = 1; // sample are 0 based in table
|
sample = 1; // sample are 0 based in table
|
||||||
#ifdef DEBUG
|
#ifdef DEBUG
|
||||||
|
|
Loading…
Reference in New Issue