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make StreamContext.time_base a pointer

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Originally committed as revision 10010 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-08-09 11:04:43 +00:00
parent 4d75168f17
commit efd8f22a16
3 changed files with 15 additions and 16 deletions
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2
libavformat/nut.h
View File

@ -72,7 +72,7 @@ typedef struct {
int skip_until_key_frame;
int64_t last_pts;
int time_base_id;
AVRational time_base;
AVRational *time_base;
int msb_pts_shift;
int max_pts_distance;
int decode_delay; //FIXME duplicate of has_b_frames

10
libavformat/nutdec.c
View File

@ -288,7 +288,7 @@ static int decode_stream_header(NUTContext *nut){
end= get_packetheader(nut, bc, 1);
end += url_ftell(bc);
GET_V(stream_id, tmp < s->nb_streams && !nut->stream[tmp].time_base.num);
GET_V(stream_id, tmp < s->nb_streams && !nut->stream[tmp].time_base);
stc= &nut->stream[stream_id];
st = s->streams[stream_id];
@ -358,8 +358,8 @@ static int decode_stream_header(NUTContext *nut){
av_log(s, AV_LOG_ERROR, "Stream header %d checksum mismatch\n", stream_id);
return -1;
}
stc->time_base= nut->time_base[stc->time_base_id];
av_set_pts_info(s->streams[stream_id], 63, stc->time_base.num, stc->time_base.den);
stc->time_base= &nut->time_base[stc->time_base_id];
av_set_pts_info(s->streams[stream_id], 63, stc->time_base->num, stc->time_base->den);
return 0;
}
@ -461,8 +461,8 @@ static int decode_syncpoint(NUTContext *nut, int64_t *ts, int64_t *back_ptr){
for(i=0; i<s->nb_streams; i++){
nut->stream[i].last_pts= av_rescale_rnd(
tmp / nut->time_base_count,
time_base.num * (int64_t)nut->stream[i].time_base.den,
time_base.den * (int64_t)nut->stream[i].time_base.num,
time_base.num * (int64_t)nut->stream[i].time_base->den,
time_base.den * (int64_t)nut->stream[i].time_base->num,
AV_ROUND_DOWN);
//last_key_frame ?
}

19
libavformat/nutenc.c
View File

@ -236,29 +236,28 @@ static int write_header(AVFormatContext *s){
for(i=0; i<s->nb_streams; i++){
AVStream *st= s->streams[i];
int num, denom, ssize;
ff_parse_specific_params(st->codec, &num, &ssize, &denom);
int ssize;
AVRational time_base;
ff_parse_specific_params(st->codec, &time_base.den, &ssize, &time_base.num);
nut->stream[i].time_base= (AVRational){denom, num};
av_set_pts_info(st, 64, denom, num);
av_set_pts_info(st, 64, time_base.num, time_base.den);
for(j=0; j<nut->time_base_count; j++){
if(!memcmp(&nut->stream[i].time_base, &nut->time_base[j], sizeof(AVRational))){
if(!memcmp(&time_base, &nut->time_base[j], sizeof(AVRational))){
break;
}
}
nut->time_base[j]= nut->stream[i].time_base;
nut->time_base[j]= time_base;
nut->stream[i].time_base= &nut->time_base[j];
if(j==nut->time_base_count)
nut->time_base_count++;
if(av_q2d(nut->stream[i].time_base) >= 0.001)
if(av_q2d(time_base) >= 0.001)
nut->stream[i].msb_pts_shift = 7;
else
nut->stream[i].msb_pts_shift = 14;
nut->stream[i].max_pts_distance= FFMAX(1/av_q2d(nut->stream[i].time_base), 1);
nut->stream[i].max_pts_distance= FFMAX(1/av_q2d(time_base), 1);
}
//FIXME make nut->stream[i].time_base pointers into nut->time_base
put_buffer(bc, ID_STRING, strlen(ID_STRING));
put_byte(bc, 0);