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Code Issues Releases Activity

move time_base (pts_num/pts_den) from AVFormatContext -> AVStream

Browse Source 
Originally committed as revision 3148 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-05-21 20:43:21 +00:00
parent e8733cc4d9
commit 9ee91c2f53
27 changed files with 113 additions and 143 deletions
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30
ffmpeg.c
View File

@ -595,10 +595,10 @@ static void do_video_out(AVFormatContext *s,
double adelta, vdelta, av_delay;
adelta = audio_sync->sync_ipts - ((double)audio_sync->sync_opts *
s->pts_num / s->pts_den);
ost->st->time_base.num / ost->st->time_base.den);
vdelta = ost->sync_ipts - ((double)ost->sync_opts *
s->pts_num / s->pts_den);
ost->st->time_base.num / ost->st->time_base.den);
av_delay = adelta - vdelta;
if (av_delay < -AV_DELAY_MAX)
@ -609,7 +609,7 @@ static void do_video_out(AVFormatContext *s,
} else {
double vdelta;
vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
vdelta = (double)(ost->st->pts.val) * ost->st->time_base.num / ost->st->time_base.den - (ost->sync_ipts - ost->sync_ipts_offset);
if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
if (vdelta < -AV_DELAY_MAX)
nb_frames = 2;
@ -630,10 +630,10 @@ static void do_video_out(AVFormatContext *s,
if (audio_sync && verbose >=0) {
fprintf(stderr, "Input APTS %12.6f, output APTS %12.6f, ",
(double) audio_sync->sync_ipts,
(double) audio_sync->st->pts.val * s->pts_num / s->pts_den);
(double) audio_sync->st->pts.val * st->time_base.num / st->time_base.den);
fprintf(stderr, "Input VPTS %12.6f, output VPTS %12.6f: %s\n",
(double) ost->sync_ipts,
(double) ost->st->pts.val * s->pts_num / s->pts_den,
(double) ost->st->pts.val * st->time_base.num / st->time_base.den,
action[nb_frames]);
}
}
@ -872,7 +872,7 @@ static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
fprintf(fvstats,"f_size= %6d ", frame_size);
/* compute pts value */
ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
ti1 = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
if (ti1 < 0.01)
ti1 = 0.01;
@ -956,7 +956,7 @@ static void print_report(AVFormatContext **output_files,
vid = 1;
}
/* compute min output value */
pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
if ((pts < ti1) && (pts > 0))
ti1 = pts;
}
@ -1118,7 +1118,7 @@ static int output_packet(AVInputStream *ist, int ist_index,
printf("%d: got pts=%0.3f %0.3f\n", i,
(double)pkt->pts / AV_TIME_BASE,
((double)ist->pts / AV_TIME_BASE) -
((double)ost->st->pts.val * os->pts_num / os->pts_den));
((double)ost->st->pts.val * ost->time_base.num / ost->time_base.den));
#endif
/* set the input output pts pairs */
ost->sync_ipts = (double)ist->pts / AV_TIME_BASE;
@ -1165,7 +1165,7 @@ static int output_packet(AVInputStream *ist, int ist_index,
avcodec_get_frame_defaults(&avframe);
ost->st->codec.coded_frame= &avframe;
avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
ost->st->pts.val= av_rescale(ist->pts, os->pts_den, os->pts_num*AV_TIME_BASE);
ost->st->pts.val= av_rescale(ist->pts, ost->st->time_base.den, ost->st->time_base.num*AV_TIME_BASE);
if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
audio_size += data_size;
@ -1637,7 +1637,7 @@ static int av_encode(AVFormatContext **output_files,
ost = ost_table[i];
os = output_files[ost->file_index];
ist = ist_table[ost->source_index];
pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
if (!file_table[ist->file_index].eof_reached &&
pts < pts_min) {
pts_min = pts;
@ -2729,12 +2729,11 @@ static void opt_output_file(const char *filename)
if (use_video) {
AVCodecContext *video_enc;
st = av_mallocz(sizeof(AVStream));
st = av_new_stream(oc, nb_streams++);
if (!st) {
fprintf(stderr, "Could not alloc stream\n");
exit(1);
}
avcodec_get_context_defaults(&st->codec);
#if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
if(thread_count>1)
avcodec_thread_init(&st->codec, thread_count);
@ -2960,19 +2959,16 @@ static void opt_output_file(const char *filename)
}
}
}
oc->streams[nb_streams] = st;
nb_streams++;
}
if (use_audio) {
AVCodecContext *audio_enc;
st = av_mallocz(sizeof(AVStream));
st = av_new_stream(oc, nb_streams++);
if (!st) {
fprintf(stderr, "Could not alloc stream\n");
exit(1);
}
avcodec_get_context_defaults(&st->codec);
#if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
if(thread_count>1)
avcodec_thread_init(&st->codec, thread_count);
@ -3002,8 +2998,6 @@ static void opt_output_file(const char *filename)
} else
audio_enc->channels = audio_channels;
}
oc->streams[nb_streams] = st;
nb_streams++;
}
oc->nb_streams = nb_streams;

8
libavformat/4xm.c
View File

@ -164,6 +164,7 @@ static int fourxm_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
fourxm->video_stream_index = st->index;
@ -202,6 +203,9 @@ static int fourxm_read_header(AVFormatContext *s,
if (!st)
return AVERROR_NOMEM;
/* set the pts reference (1 pts = 1/90000) */
av_set_pts_info(st, 33, 1, 90000);
fourxm->tracks[current_track].stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_AUDIO;
@ -232,10 +236,6 @@ static int fourxm_read_header(AVFormatContext *s,
fourxm->video_pts = -fourxm->video_pts_inc; /* first frame will push to 0 */
fourxm->audio_pts = 0;
/* set the pts reference (1 pts = 1/90000) */
s->pts_num = 1;
s->pts_den = 90000;
return 0;
}

4
libavformat/asf-enc.c
View File

@ -285,6 +285,8 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data
for(n=0;n<s->nb_streams;n++) {
enc = &s->streams[n]->codec;
av_set_pts_info(s->streams[n], 32, 1, 1000); /* 32 bit pts in ms */
bit_rate += enc->bit_rate;
}
@ -469,8 +471,6 @@ static int asf_write_header(AVFormatContext *s)
{
ASFContext *asf = s->priv_data;
av_set_pts_info(s, 32, 1, 1000); /* 32 bit pts in ms */
asf->packet_size = PACKET_SIZE;
asf->nb_packets = 0;

3
libavformat/asf.c
View File

@ -148,8 +148,6 @@ static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap)
int size, i;
int64_t gsize;
av_set_pts_info(s, 32, 1, 1000); /* 32 bit pts in ms */
get_guid(pb, &g);
if (memcmp(&g, &asf_header, sizeof(GUID)))
goto fail;
@ -193,6 +191,7 @@ static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap)
st = av_new_stream(s, 0);
if (!st)
goto fail;
av_set_pts_info(st, 32, 1, 1000); /* 32 bit pts in ms */
asf_st = av_mallocz(sizeof(ASFStream));
if (!asf_st)
goto fail;

2
libavformat/audio.c
View File

@ -230,7 +230,7 @@ static int audio_read_header(AVFormatContext *s1, AVFormatParameters *ap)
st->codec.sample_rate = s->sample_rate;
st->codec.channels = s->channels;
av_set_pts_info(s1, 48, 1, 1000000); /* 48 bits pts in us */
av_set_pts_info(st, 48, 1, 1000000); /* 48 bits pts in us */
return 0;
}

22
libavformat/avformat.h
View File

@ -214,6 +214,8 @@ typedef struct AVStream {
int codec_info_nb_frames;
/* encoding: PTS generation when outputing stream */
AVFrac pts;
AVRational time_base;
int pts_wrap_bits; /* number of bits in pts (used for wrapping control) */
/* ffmpeg.c private use */
int stream_copy; /* if TRUE, just copy stream */
/* quality, as it has been removed from AVCodecContext and put in AVVideoFrame
@ -226,6 +228,14 @@ typedef struct AVStream {
seconds. */
int64_t duration;
/* the following are used for pts/dts unit conversion */
int64_t last_pkt_stream_pts;
int64_t last_pkt_stream_dts;
int64_t last_pkt_pts;
int64_t last_pkt_dts;
int last_pkt_pts_frac;
int last_pkt_dts_frac;
/* av_read_frame() support */
int need_parsing;
struct AVCodecParserContext *parser;
@ -268,8 +278,6 @@ typedef struct AVFormatContext {
int ctx_flags; /* format specific flags, see AVFMTCTX_xx */
/* private data for pts handling (do not modify directly) */
int pts_wrap_bits; /* number of bits in pts (used for wrapping control) */
int pts_num, pts_den; /* value to convert to seconds */
/* This buffer is only needed when packets were already buffered but
not decoded, for example to get the codec parameters in mpeg
streams */
@ -296,14 +304,6 @@ typedef struct AVFormatContext {
int cur_len;
AVPacket cur_pkt;
/* the following are used for pts/dts unit conversion */
int64_t last_pkt_stream_pts;
int64_t last_pkt_stream_dts;
int64_t last_pkt_pts;
int64_t last_pkt_dts;
int last_pkt_pts_frac;
int last_pkt_dts_frac;
/* av_seek_frame() support */
int64_t data_offset; /* offset of the first packet */
int index_built;
@ -553,7 +553,7 @@ int av_read_play(AVFormatContext *s);
int av_read_pause(AVFormatContext *s);
void av_close_input_file(AVFormatContext *s);
AVStream *av_new_stream(AVFormatContext *s, int id);
void av_set_pts_info(AVFormatContext *s, int pts_wrap_bits,
void av_set_pts_info(AVStream *s, int pts_wrap_bits,
int pts_num, int pts_den);
int av_find_default_stream_index(AVFormatContext *s);

4
libavformat/avidec.c
View File

@ -93,8 +93,6 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
AVIStream *ast;
int xan_video = 0; /* hack to support Xan A/V */
av_set_pts_info(s, 64, 1, AV_TIME_BASE);
if (get_riff(avi, pb) < 0)
return -1;
@ -139,6 +137,8 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
st = av_new_stream(s, i);
if (!st)
goto fail;
av_set_pts_info(st, 64, 1, AV_TIME_BASE);
ast = av_mallocz(sizeof(AVIStream));
if (!ast)
goto fail;

6
libavformat/dv.c
View File

@ -550,6 +550,7 @@ static int dv_extract_audio_info(DVDemuxContext* c, uint8_t* frame)
if (c->ach == 2 && !c->ast[1]) {
c->ast[1] = av_new_stream(c->fctx, 0);
if (c->ast[1]) {
av_set_pts_info(c->ast[1], 64, 1, 30000);
c->ast[1]->codec.codec_type = CODEC_TYPE_AUDIO;
c->ast[1]->codec.codec_id = CODEC_ID_PCM_S16LE;
} else
@ -721,6 +722,9 @@ DVDemuxContext* dv_init_demux(AVFormatContext *s)
c->ast[0] = av_new_stream(s, 0);
if (!c->vst || !c->ast[0])
goto fail;
av_set_pts_info(c->vst, 64, 1, 30000);
av_set_pts_info(c->ast[0], 64, 1, 30000);
c->fctx = s;
c->ast[1] = NULL;
c->ach = 0;
@ -738,8 +742,6 @@ DVDemuxContext* dv_init_demux(AVFormatContext *s)
s->ctx_flags |= AVFMTCTX_NOHEADER;
av_set_pts_info(s, 64, 1, 30000);
return c;
fail:

4
libavformat/flic.c
View File

@ -100,9 +100,7 @@ static int flic_read_header(AVFormatContext *s,
st->codec.extradata = av_malloc(FLIC_HEADER_SIZE);
memcpy(st->codec.extradata, header, FLIC_HEADER_SIZE);
/* set the pts reference (1 pts = 1/90000) */
s->pts_num = 1;
s->pts_den = 90000;
av_set_pts_info(st, 33, 1, 90000);
/* Time to figure out the framerate: If there is a FLIC chunk magic
* number at offset 0x10, assume this is from the Bullfrog game,

4
libavformat/flvdec.c
View File

@ -48,8 +48,6 @@ static int flv_read_header(AVFormatContext *s,
s->ctx_flags |= AVFMTCTX_NOHEADER; //ok we have a header but theres no fps, codec type, sample_rate, ...
av_set_pts_info(s, 24, 1, 1000); /* 24 bit pts in ms */
url_fskip(&s->pb, 4);
flags = get_byte(&s->pb);
@ -103,6 +101,8 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
st = av_new_stream(s, is_audio);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 24, 1, 1000); /* 24 bit pts in ms */
st->codec.frame_rate_base= 0;
}
break;

3
libavformat/flvenc.c
View File

@ -134,8 +134,6 @@ static int flv_write_header(AVFormatContext *s)
FLVContext *flv = s->priv_data;
int i;
av_set_pts_info(s, 24, 1, 1000); /* 24 bit pts in ms */
flv->hasAudio = 0;
flv->hasVideo = 0;
@ -151,6 +149,7 @@ static int flv_write_header(AVFormatContext *s)
for(i=0; i<s->nb_streams; i++){
AVCodecContext *enc = &s->streams[i]->codec;
av_set_pts_info(s->streams[i], 24, 1, 1000); /* 24 bit pts in ms */
if(enc->codec_tag == 5){
put_byte(pb,8); // message type
put_be24(pb,0); // include flags

3
libavformat/grab.c
View File

@ -79,6 +79,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
st = av_new_stream(s1, 0);
if (!st)
return -ENOMEM;
av_set_pts_info(st, 48, 1, 1000000); /* 48 bits pts in us */
s->width = width;
s->height = height;
@ -263,8 +264,6 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
st->codec.height = height;
st->codec.frame_rate = frame_rate;
st->codec.frame_rate_base = frame_rate_base;
av_set_pts_info(s1, 48, 1, 1000000); /* 48 bits pts in us */
return 0;
fail:

6
libavformat/idcin.c
View File

@ -154,6 +154,7 @@ static int idcin_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
idcin->video_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_VIDEO;
st->codec.codec_id = CODEC_ID_IDCIN;
@ -176,6 +177,7 @@ static int idcin_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
idcin->audio_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_AUDIO;
st->codec.codec_tag = 1;
@ -205,10 +207,6 @@ static int idcin_read_header(AVFormatContext *s,
idcin->next_chunk_is_video = 1;
idcin->pts = 0;
/* set the pts reference (1 pts = 1/90000) */
s->pts_num = 1;
s->pts_den = 90000;
return 0;
}

7
libavformat/idroq.c
View File

@ -84,10 +84,6 @@ static int roq_read_header(AVFormatContext *s,
roq->framerate = LE_16(&preamble[6]);
roq->frame_pts_inc = 90000 / roq->framerate;
/* set the pts reference (1 pts = 1/90000) */
s->pts_num = 1;
s->pts_den = 90000;
/* init private context parameters */
roq->width = roq->height = roq->audio_channels = roq->video_pts =
roq->audio_frame_count = 0;
@ -146,6 +142,8 @@ static int roq_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
/* set the pts reference (1 pts = 1/90000) */
av_set_pts_info(st, 33, 1, 90000);
roq->video_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_VIDEO;
st->codec.codec_id = CODEC_ID_ROQ;
@ -157,6 +155,7 @@ static int roq_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
roq->audio_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_AUDIO;
st->codec.codec_id = CODEC_ID_ROQ_DPCM;

2
libavformat/img.c
View File

@ -236,7 +236,7 @@ static int img_read_packet(AVFormatContext *s1, AVPacket *pkt)
} else {
/* XXX: computing this pts is not necessary as it is done in
the generic code too */
pkt->pts = av_rescale((int64_t)s->img_count * s1->streams[0]->codec.frame_rate_base, s1->pts_den, s1->streams[0]->codec.frame_rate) / s1->pts_num;
pkt->pts = av_rescale((int64_t)s->img_count * s1->streams[0]->codec.frame_rate_base, s1->streams[0]->time_base.den, s1->streams[0]->codec.frame_rate) / s1->streams[0]->time_base.num;
s->img_count++;
s->img_number++;
return 0;

6
libavformat/ipmovie.c
View File

@ -552,14 +552,11 @@ static int ipmovie_read_header(AVFormatContext *s,
else if (process_ipmovie_chunk(ipmovie, pb, &pkt) != CHUNK_INIT_AUDIO)
return AVERROR_INVALIDDATA;
/* set the pts reference (1 pts = 1/90000) */
s->pts_num = 1;
s->pts_den = 90000;
/* initialize the stream decoders */
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
ipmovie->video_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_VIDEO;
st->codec.codec_id = CODEC_ID_INTERPLAY_VIDEO;
@ -574,6 +571,7 @@ static int ipmovie_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
ipmovie->audio_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_AUDIO;
st->codec.codec_id = ipmovie->audio_type;

3
libavformat/matroska.c
View File

@ -2152,8 +2152,6 @@ matroska_read_header (AVFormatContext *s,
MatroskaTrack *track;
AVStream *st;
av_set_pts_info(s, 24, 1, 1000); /* 24 bit pts in ms */
for (i = 0; i < matroska->num_tracks; i++) {
track = matroska->tracks[i];
@ -2257,6 +2255,7 @@ matroska_read_header (AVFormatContext *s,
st = av_new_stream(s, track->stream_index);
if (st == NULL)
return AVERROR_NOMEM;
av_set_pts_info(st, 24, 1, 1000); /* 24 bit pts in ms */
st->codec.codec_id = codec_id;

5
libavformat/mpegts.c
View File

@ -768,6 +768,7 @@ static void mpegts_push_data(void *opaque,
}
st = av_new_stream(pes->stream, pes->pid);
if (st) {
av_set_pts_info(st, 60, 1, 27000000);
st->priv_data = pes;
st->codec.codec_type = codec_type;
st->codec.codec_id = codec_id;
@ -1165,14 +1166,12 @@ static int mpegts_read_header(AVFormatContext *s,
uint8_t packet[TS_PACKET_SIZE];
/* only read packets */
s->pts_num = 1;
s->pts_den = 27000000;
do_pcr:
st = av_new_stream(s, 0);
if (!st)
goto fail;
av_set_pts_info(st, 60, 1, 27000000);
st->codec.codec_type = CODEC_TYPE_DATA;
st->codec.codec_id = CODEC_ID_MPEG2TS;

7
libavformat/nut.c
View File

@ -511,8 +511,6 @@ static int nut_write_header(AVFormatContext *s)
nut->stream =
av_mallocz(sizeof(StreamContext)*s->nb_streams);
av_set_pts_info(s, 60, 1, AV_TIME_BASE);
/* main header */
put_be64(bc, MAIN_STARTCODE);
put_packetheader(nut, bc, 120+5*256, 1);
@ -572,6 +570,7 @@ static int nut_write_header(AVFormatContext *s)
int nom, denom, gcd;
codec = &s->streams[i]->codec;
av_set_pts_info(s->streams[i], 60, 1, AV_TIME_BASE);
put_be64(bc, STREAM_STARTCODE);
put_packetheader(nut, bc, 120 + codec->extradata_size, 1);
@ -945,6 +944,8 @@ static int decode_stream_header(NUTContext *nut){
st = av_new_stream(s, stream_id);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 60, 1, AV_TIME_BASE);
class = get_v(bc);
tmp = get_vb(bc);
st->codec.codec_tag= tmp;
@ -1069,8 +1070,6 @@ static int nut_read_header(AVFormatContext *s, AVFormatParameters *ap)
nut->avf= s;
av_set_pts_info(s, 60, 1, AV_TIME_BASE);
/* main header */
pos=0;
for(;;){

6
libavformat/ogg.c
View File

@ -36,14 +36,14 @@ static int ogg_write_header(AVFormatContext *avfcontext)
ogg_packet *op= &context->op;
int n, i;
av_set_pts_info(avfcontext, 60, 1, AV_TIME_BASE);
ogg_stream_init(&context->os, 31415);
for(n = 0 ; n < avfcontext->nb_streams ; n++) {
AVCodecContext *codec = &avfcontext->streams[n]->codec;
uint8_t *p= codec->extradata;
av_set_pts_info(avfcontext->streams[n], 60, 1, AV_TIME_BASE);
for(i=0; i < codec->extradata_size; i+= op->bytes){
op->bytes = p[i++]<<8;
op->bytes+= p[i++];
@ -172,7 +172,6 @@ static int ogg_read_header(AVFormatContext *avfcontext, AVFormatParameters *ap)
int i;
avfcontext->ctx_flags |= AVFMTCTX_NOHEADER;
av_set_pts_info(avfcontext, 60, 1, AV_TIME_BASE);
ogg_sync_init(&context->oy) ;
buf = ogg_sync_buffer(&context->oy, DECODER_BUFFER_SIZE) ;
@ -190,6 +189,7 @@ static int ogg_read_header(AVFormatContext *avfcontext, AVFormatParameters *ap)
ast = av_new_stream(avfcontext, 0) ;
if(!ast)
return AVERROR_NOMEM ;
av_set_pts_info(ast, 60, 1, AV_TIME_BASE);
codec= &ast->codec;
codec->codec_type = CODEC_TYPE_AUDIO;

6
libavformat/psxstr.c
View File

@ -135,9 +135,6 @@ static int str_read_header(AVFormatContext *s,
str->video_channel = -1;
str->video_chunk = NULL;
/* set the pts reference (1 pts = 1/90000) */
s->pts_num = 1;
s->pts_den = 90000;
/* skip over any RIFF header */
if (get_buffer(pb, sector, RIFF_HEADER_SIZE) != RIFF_HEADER_SIZE)
@ -178,6 +175,8 @@ static int str_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
/* set the pts reference (1 pts = 1/90000) */
av_set_pts_info(st, 33, 1, 90000);
str->channels[channel].video_stream_index = st->index;
@ -206,6 +205,7 @@ static int str_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
str->channels[channel].audio_stream_index = st->index;

7
libavformat/segafilm.c
View File

@ -173,6 +173,9 @@ static int film_read_header(AVFormatContext *s,
film->sample_count = BE_32(&scratch[12]);
film->sample_table = av_malloc(film->sample_count * sizeof(film_sample_t));
for(i=0; i<s->nb_streams; i++)
av_set_pts_info(s->streams[i], 33, 1, film->base_clock);
audio_frame_counter = 0;
for (i = 0; i < film->sample_count; i++) {
/* load the next sample record and transfer it to an internal struct */
@ -200,10 +203,6 @@ static int film_read_header(AVFormatContext *s,
film->current_sample = 0;
/* set the pts reference to match the tick rate of the file */
s->pts_num = 1;
s->pts_den = film->base_clock;
return 0;
}

6
libavformat/sierravmd.c
View File

@ -129,6 +129,7 @@ static int vmd_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
vmd->video_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_VIDEO;
st->codec.codec_id = CODEC_ID_VMDVIDEO;
@ -145,6 +146,7 @@ static int vmd_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
vmd->audio_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_AUDIO;
st->codec.codec_id = CODEC_ID_VMDAUDIO;
@ -243,10 +245,6 @@ static int vmd_read_header(AVFormatContext *s,
av_free(raw_frame_table);
/* set the pts reference at 1 pts = 1/90000 sec */
s->pts_num = 1;
s->pts_den = 90000;
vmd->current_frame = 0;
return 0;

5
libavformat/swf.c
View File

@ -805,8 +805,6 @@ static int swf_read_header(AVFormatContext *s, AVFormatParameters *ap)
frame_rate = get_le16(pb);
get_le16(pb); /* frame count */
av_set_pts_info(s, 24, 1, 1000); /* 24 bit pts in ms */
/* The Flash Player converts 8.8 frame rates
to milliseconds internally. Do the same to get
a correct framerate */
@ -837,6 +835,8 @@ static int swf_read_header(AVFormatContext *s, AVFormatParameters *ap)
/* Check for FLV1 */
if ( get_byte(pb) == SWF_VIDEO_CODEC_FLV1 ) {
vst = av_new_stream(s, 0);
av_set_pts_info(vst, 24, 1, 1000); /* 24 bit pts in ms */
vst->codec.codec_type = CODEC_TYPE_VIDEO;
vst->codec.codec_id = CODEC_ID_FLV1;
if ( swf->samples_per_frame ) {
@ -857,6 +857,7 @@ static int swf_read_header(AVFormatContext *s, AVFormatParameters *ap)
get_le16(pb);
}
ast = av_new_stream(s, 1);
av_set_pts_info(ast, 24, 1, 1000); /* 24 bit pts in ms */
if (!ast)
return -ENOMEM;

80
libavformat/utils.c
View File

@ -355,13 +355,6 @@ int av_open_input_stream(AVFormatContext **ic_ptr,
ic->priv_data = NULL;
}
/* default pts settings is MPEG like */
av_set_pts_info(ic, 33, 1, 90000);
ic->last_pkt_pts = AV_NOPTS_VALUE;
ic->last_pkt_dts = AV_NOPTS_VALUE;
ic->last_pkt_stream_pts = AV_NOPTS_VALUE;
ic->last_pkt_stream_dts = AV_NOPTS_VALUE;
err = ic->iformat->read_header(ic, ap);
if (err < 0)
goto fail;
@ -499,7 +492,7 @@ int av_read_packet(AVFormatContext *s, AVPacket *pkt)
wrapping is handled by considering the next PTS/DTS as a delta to
the previous value. We handle the delta as a fraction to avoid any
rounding errors. */
static inline int64_t convert_timestamp_units(AVFormatContext *s,
static inline int64_t convert_timestamp_units(AVStream *s,
int64_t *plast_pkt_pts,
int *plast_pkt_pts_frac,
int64_t *plast_pkt_stream_pts,
@ -515,17 +508,18 @@ static inline int64_t convert_timestamp_units(AVFormatContext *s,
shift = 64 - s->pts_wrap_bits;
delta_pts = ((stream_pts - *plast_pkt_stream_pts) << shift) >> shift;
/* XXX: overflow possible but very unlikely as it is a delta */
delta_pts = delta_pts * AV_TIME_BASE * s->pts_num;
pts = *plast_pkt_pts + (delta_pts / s->pts_den);
pts_frac = *plast_pkt_pts_frac + (delta_pts % s->pts_den);
if (pts_frac >= s->pts_den) {
pts_frac -= s->pts_den;
delta_pts = delta_pts * AV_TIME_BASE * s->time_base.num;
pts = *plast_pkt_pts + (delta_pts / s->time_base.den);
pts_frac = *plast_pkt_pts_frac + (delta_pts % s->time_base.den);
if (pts_frac >= s->time_base.den) {
pts_frac -= s->time_base.den;
pts++;
}
} else {
/* no previous pts, so no wrapping possible */
pts = (int64_t)(((double)stream_pts * AV_TIME_BASE * s->pts_num) /
(double)s->pts_den);
// pts = av_rescale(stream_pts, (int64_t)AV_TIME_BASE * s->time_base.num, s->time_base.den);
pts = (int64_t)(((double)stream_pts * AV_TIME_BASE * s->time_base.num) /
(double)s->time_base.den);
pts_frac = 0;
}
*plast_pkt_stream_pts = stream_pts;
@ -752,15 +746,17 @@ static int av_read_frame_internal(AVFormatContext *s, AVPacket *pkt)
/* no more packets: really terminates parsing */
return ret;
}
st = s->streams[s->cur_pkt.stream_index];
/* convert the packet time stamp units and handle wrapping */
s->cur_pkt.pts = convert_timestamp_units(s,
&s->last_pkt_pts, &s->last_pkt_pts_frac,
&s->last_pkt_stream_pts,
s->cur_pkt.pts = convert_timestamp_units(st,
&st->last_pkt_pts, &st->last_pkt_pts_frac,
&st->last_pkt_stream_pts,
s->cur_pkt.pts);
s->cur_pkt.dts = convert_timestamp_units(s,
&s->last_pkt_dts, &s->last_pkt_dts_frac,
&s->last_pkt_stream_dts,
s->cur_pkt.dts = convert_timestamp_units(st,
&st->last_pkt_dts, &st->last_pkt_dts_frac,
&st->last_pkt_stream_dts,
s->cur_pkt.dts);
#if 0
if (s->cur_pkt.stream_index == 0) {
@ -772,14 +768,10 @@ static int av_read_frame_internal(AVFormatContext *s, AVPacket *pkt)
(double)s->cur_pkt.dts / AV_TIME_BASE);
}
#endif
/* duration field */
if (s->cur_pkt.duration != 0) {
s->cur_pkt.duration = ((int64_t)s->cur_pkt.duration * AV_TIME_BASE * s->pts_num) /
s->pts_den;
}
st = s->streams[s->cur_pkt.stream_index];
/* duration field */
s->cur_pkt.duration = av_rescale(s->cur_pkt.duration, AV_TIME_BASE * (int64_t)st->time_base.num, st->time_base.den);
s->cur_st = st;
s->cur_ptr = s->cur_pkt.data;
s->cur_len = s->cur_pkt.size;
@ -1355,7 +1347,7 @@ static void av_estimate_timings_from_pts(AVFormatContext *ic)
st = ic->streams[pkt->stream_index];
if (pkt->pts != AV_NOPTS_VALUE) {
if (st->start_time == AV_NOPTS_VALUE)
st->start_time = (int64_t)((double)pkt->pts * ic->pts_num * (double)AV_TIME_BASE / ic->pts_den);
st->start_time = av_rescale(pkt->pts, st->time_base.num * (int64_t)AV_TIME_BASE, st->time_base.den);
}
av_free_packet(pkt);
}
@ -1398,7 +1390,7 @@ static void av_estimate_timings_from_pts(AVFormatContext *ic)
read_size += pkt->size;
st = ic->streams[pkt->stream_index];
if (pkt->pts != AV_NOPTS_VALUE) {
end_time = (int64_t)((double)pkt->pts * ic->pts_num * (double)AV_TIME_BASE / ic->pts_den);
end_time = av_rescale(pkt->pts, st->time_base.num * (int64_t)AV_TIME_BASE, st->time_base.den);
duration = end_time - st->start_time;
if (duration > 0) {
if (st->duration == AV_NOPTS_VALUE ||
@ -1776,6 +1768,14 @@ AVStream *av_new_stream(AVFormatContext *s, int id)
st->id = id;
st->start_time = AV_NOPTS_VALUE;
st->duration = AV_NOPTS_VALUE;
/* default pts settings is MPEG like */
av_set_pts_info(st, 33, 1, 90000);
st->last_pkt_pts = AV_NOPTS_VALUE;
st->last_pkt_dts = AV_NOPTS_VALUE;
st->last_pkt_stream_pts = AV_NOPTS_VALUE;
st->last_pkt_stream_dts = AV_NOPTS_VALUE;
s->streams[s->nb_streams++] = st;
return st;
}
@ -1814,8 +1814,6 @@ int av_write_header(AVFormatContext *s)
int ret, i;
AVStream *st;
/* default pts settings is MPEG like */
av_set_pts_info(s, 33, 1, 90000);
ret = s->oformat->write_header(s);
if (ret < 0)
return ret;
@ -1827,11 +1825,11 @@ int av_write_header(AVFormatContext *s)
switch (st->codec.codec_type) {
case CODEC_TYPE_AUDIO:
av_frac_init(&st->pts, 0, 0,
(int64_t)s->pts_num * st->codec.sample_rate);
(int64_t)st->time_base.num * st->codec.sample_rate);
break;
case CODEC_TYPE_VIDEO:
av_frac_init(&st->pts, 0, 0,
(int64_t)s->pts_num * st->codec.frame_rate);
(int64_t)st->time_base.num * st->codec.frame_rate);
break;
default:
break;
@ -1858,7 +1856,7 @@ int av_write_frame(AVFormatContext *s, int stream_index, const uint8_t *buf,
int ret, frame_size;
st = s->streams[stream_index];
pts_mask = (1LL << s->pts_wrap_bits) - 1;
pts_mask = (1LL << st->pts_wrap_bits) - 1;
/* HACK/FIXME we skip all zero size audio packets so a encoder can pass pts by outputing zero size packets */
if(st->codec.codec_type==CODEC_TYPE_AUDIO && size==0)
@ -1878,13 +1876,11 @@ int av_write_frame(AVFormatContext *s, int stream_index, const uint8_t *buf,
/* HACK/FIXME, we skip the initial 0-size packets as they are most likely equal to the encoder delay,
but it would be better if we had the real timestamps from the encoder */
if (frame_size >= 0 && (size || st->pts.num!=st->pts.den>>1 || st->pts.val)) {
av_frac_add(&st->pts,
(int64_t)s->pts_den * frame_size);
av_frac_add(&st->pts, (int64_t)st->time_base.den * frame_size);
}
break;
case CODEC_TYPE_VIDEO:
av_frac_add(&st->pts,
(int64_t)s->pts_den * st->codec.frame_rate_base);
av_frac_add(&st->pts, (int64_t)st->time_base.den * st->codec.frame_rate_base);
break;
default:
break;
@ -2375,12 +2371,12 @@ void url_split(char *proto, int proto_size,
* @param pts_num numerator to convert to seconds (MPEG: 1)
* @param pts_den denominator to convert to seconds (MPEG: 90000)
*/
void av_set_pts_info(AVFormatContext *s, int pts_wrap_bits,
void av_set_pts_info(AVStream *s, int pts_wrap_bits,
int pts_num, int pts_den)
{
s->pts_wrap_bits = pts_wrap_bits;
s->pts_num = pts_num;
s->pts_den = pts_den;
s->time_base.num = pts_num;
s->time_base.den = pts_den;
}
/* fraction handling */

6
libavformat/wc3movie.c
View File

@ -233,6 +233,7 @@ static int wc3_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
wc3->video_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_VIDEO;
st->codec.codec_id = CODEC_ID_XAN_WC3;
@ -246,6 +247,7 @@ static int wc3_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
wc3->audio_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_AUDIO;
st->codec.codec_id = CODEC_ID_PCM_S16LE;
@ -257,10 +259,6 @@ static int wc3_read_header(AVFormatContext *s,
st->codec.bits_per_sample;
st->codec.block_align = WC3_AUDIO_BITS * WC3_AUDIO_CHANNELS;
/* set the pts reference (1 pts = 1/90000) */
s->pts_num = 1;
s->pts_den = 90000;
return 0;
}

11
libavformat/westwood.c
View File

@ -131,14 +131,11 @@ static int wsaud_read_header(AVFormatContext *s,
/* flag 1 indicates 16 bit audio */
wsaud->audio_bits = (((header[10] & 0x2) >> 1) + 1) * 8;
/* set the pts reference the same as the sample rate */
s->pts_num = 1;
s->pts_den = wsaud->audio_samplerate;
/* initialize the audio decoder stream */
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, wsaud->audio_samplerate);
st->codec.codec_type = CODEC_TYPE_AUDIO;
st->codec.codec_id = wsaud->audio_type;
st->codec.codec_tag = 0; /* no tag */
@ -222,14 +219,11 @@ static int wsvqa_read_header(AVFormatContext *s,
unsigned int chunk_tag;
unsigned int chunk_size;
/* set the pts reference (1 pts = 1/90000) */
s->pts_num = 1;
s->pts_den = 90000;
/* initialize the video decoder stream */
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
wsvqa->video_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_VIDEO;
st->codec.codec_id = CODEC_ID_WS_VQA;
@ -255,6 +249,7 @@ static int wsvqa_read_header(AVFormatContext *s,
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
st->codec.codec_type = CODEC_TYPE_AUDIO;
st->codec.codec_id = CODEC_ID_ADPCM_IMA_WS;
st->codec.codec_tag = 0; /* no tag */