generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge commit '5b930092c3afd2ae01f1c8aa7fb405911d6ad416'

Browse Source 
* commit '5b930092c3afd2ae01f1c8aa7fb405911d6ad416':
  mxf: Set audio packets pts

Conflicts:
	libavformat/mxfdec.c

See: 83cab07a4c7f8ee1521c49e387b7d86de78d1955
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-03-06 22:39:18 +01:00
commit 3ce8581413
1 changed files with 27 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
libavformat/mxfdec.c
View File

@ -135,7 +135,7 @@ typedef struct {
AVRational edit_rate;
int intra_only;
uint64_t sample_count;
int64_t original_duration; ///< duration before multiplying st->duration by SampleRate/EditRate
int64_t original_duration; /* st->duration in SampleRate/EditRate units */
} MXFTrack;
typedef struct {
@ -1475,7 +1475,8 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
}
avpriv_set_pts_info(st, 64, material_track->edit_rate.den, material_track->edit_rate.num);
/* ensure SourceTrack EditRate == MaterialTrack EditRate since only the former is accessible via st->priv_data */
/* ensure SourceTrack EditRate == MaterialTrack EditRate since only
* the former is accessible via st->priv_data */
source_track->edit_rate = material_track->edit_rate;
PRINT_KEY(mxf->fc, "data definition ul", source_track->sequence->data_definition_ul);
@ -1615,7 +1616,9 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
/* if duration is set, rescale it from EditRate to SampleRate */
if (st->duration != AV_NOPTS_VALUE)
st->duration = av_rescale_q(st->duration, av_inv_q(material_track->edit_rate), st->time_base);
st->duration = av_rescale_q(st->duration,
av_inv_q(material_track->edit_rate),
st->time_base);
/* TODO: implement AV_CODEC_ID_RAWAUDIO */
if (st->codec->codec_id == AV_CODEC_ID_PCM_S16LE) {
@ -2230,7 +2233,8 @@ static int64_t mxf_set_current_edit_unit(MXFContext *mxf, int64_t current_offset
return next_ofs;
}
static int mxf_compute_sample_count(MXFContext *mxf, int stream_index, uint64_t *sample_count)
static int mxf_compute_sample_count(MXFContext *mxf, int stream_index,
uint64_t *sample_count)
{
int i, total = 0, size = 0;
AVStream *st = mxf->fc->streams[stream_index];
@ -2242,13 +2246,16 @@ static int mxf_compute_sample_count(MXFContext *mxf, int stream_index, uint64_t
if ((sample_rate.num / sample_rate.den) == 48000)
spf = ff_mxf_get_samples_per_frame(mxf->fc, time_base);
if (!spf) {
int remainder = (sample_rate.num * time_base.num) % (time_base.den * sample_rate.den);
int remainder = (sample_rate.num * time_base.num) %
(time_base.den * sample_rate.den);
*sample_count = av_q2d(av_mul_q((AVRational){mxf->current_edit_unit, 1},
av_mul_q(sample_rate, time_base)));
if (remainder)
av_log(mxf->fc, AV_LOG_WARNING,
"seeking detected on stream #%d with time base (%d/%d) and sample rate (%d/%d), audio pts won't be accurate.\n",
stream_index, time_base.num, time_base.den, sample_rate.num, sample_rate.den);
"seeking detected on stream #%d with time base (%d/%d) and "
"sample rate (%d/%d), audio pts won't be accurate.\n",
stream_index, time_base.num, time_base.den,
sample_rate.num, sample_rate.den);
return 0;
}
@ -2267,15 +2274,19 @@ static int mxf_compute_sample_count(MXFContext *mxf, int stream_index, uint64_t
return 0;
}
static int mxf_set_audio_pts(MXFContext *mxf, AVCodecContext *codec, AVPacket *pkt)
static int mxf_set_audio_pts(MXFContext *mxf, AVCodecContext *codec,
AVPacket *pkt)
{
MXFTrack *track = mxf->fc->streams[pkt->stream_index]->priv_data;
int64_t bits_per_sample = av_get_bits_per_sample(codec->codec_id);
pkt->pts = track->sample_count;
if ( codec->channels <= 0
|| av_get_bits_per_sample(codec->codec_id) <= 0
|| codec->channels * (int64_t)av_get_bits_per_sample(codec->codec_id) < 8)
|| bits_per_sample <= 0
|| codec->channels * (int64_t)bits_per_sample < 8)
return AVERROR(EINVAL);
track->sample_count += pkt->size / (codec->channels * (int64_t)av_get_bits_per_sample(codec->codec_id) / 8);
track->sample_count += pkt->size / (codec->channels * (int64_t)bits_per_sample / 8);
return 0;
}
@ -2344,8 +2355,10 @@ static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
pkt->pos = klv.offset;
codec = s->streams[index]->codec;
if (codec->codec_type == AVMEDIA_TYPE_VIDEO && next_ofs >= 0) {
/* mxf->current_edit_unit good - see if we have an index table to derive timestamps from */
/* mxf->current_edit_unit good - see if we have an
* index table to derive timestamps from */
MXFIndexTable *t = &mxf->index_tables[0];
if (mxf->nb_index_tables >= 1 && mxf->current_edit_unit < t->nb_ptses) {
@ -2527,7 +2540,8 @@ static int mxf_read_seek(AVFormatContext *s, int stream_index, int64_t sample_ti
/* if audio then truncate sample_time to EditRate */
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
sample_time = av_rescale_q(sample_time, st->time_base, av_inv_q(source_track->edit_rate));
sample_time = av_rescale_q(sample_time, st->time_base,
av_inv_q(source_track->edit_rate));
if (mxf->nb_index_tables <= 0) {
if (!s->bit_rate)