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switch to native time bases

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Originally committed as revision 4168 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2005-04-30 21:43:59 +00:00
parent b7782b47c9
commit c0df9d75bd
48 changed files with 314 additions and 384 deletions
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16
libavcodec/mpeg12.c
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@@ -201,8 +201,8 @@ static int find_frame_rate_index(MpegEncContext *s){
int64_t d;
for(i=1;i<14;i++) {
int64_t n0= 1001LL/frame_rate_tab[i].den*frame_rate_tab[i].num*s->avctx->frame_rate_base;
int64_t n1= 1001LL*s->avctx->frame_rate;
int64_t n0= 1001LL/frame_rate_tab[i].den*frame_rate_tab[i].num*s->avctx->time_base.num;
int64_t n1= 1001LL*s->avctx->time_base.den;
if(s->avctx->strict_std_compliance >= 0 && i>=9) break;
d = ABS(n0 - n1);
@@ -226,10 +226,10 @@ static int encode_init(AVCodecContext *avctx)
if(find_frame_rate_index(s) < 0){
if(s->strict_std_compliance >=0){
av_log(avctx, AV_LOG_ERROR, "MPEG1/2 does not support %d/%d fps\n", avctx->frame_rate, avctx->frame_rate_base);
av_log(avctx, AV_LOG_ERROR, "MPEG1/2 does not support %d/%d fps\n", avctx->time_base.den, avctx->time_base.num);
return -1;
}else{
av_log(avctx, AV_LOG_INFO, "MPEG1/2 does not support %d/%d fps, there may be AV sync issues\n", avctx->frame_rate, avctx->frame_rate_base);
av_log(avctx, AV_LOG_INFO, "MPEG1/2 does not support %d/%d fps, there may be AV sync issues\n", avctx->time_base.den, avctx->time_base.num);
}
}
@@ -2099,8 +2099,8 @@ static int mpeg_decode_postinit(AVCodecContext *avctx){
if(avctx->sub_id==1){//s->codec_id==avctx->codec_id==CODEC_ID
//mpeg1 fps
avctx->frame_rate = frame_rate_tab[s->frame_rate_index].num;
avctx->frame_rate_base= frame_rate_tab[s->frame_rate_index].den;
avctx->time_base.den = frame_rate_tab[s->frame_rate_index].num;
avctx->time_base.num= frame_rate_tab[s->frame_rate_index].den;
//mpeg1 aspect
avctx->sample_aspect_ratio= av_d2q(
1.0/mpeg1_aspect[s->aspect_ratio_info], 255);
@@ -2108,8 +2108,8 @@ static int mpeg_decode_postinit(AVCodecContext *avctx){
}else{//mpeg2
//mpeg2 fps
av_reduce(
&s->avctx->frame_rate,
&s->avctx->frame_rate_base,
&s->avctx->time_base.den,
&s->avctx->time_base.num,
frame_rate_tab[s->frame_rate_index].num * s1->frame_rate_ext.num,
frame_rate_tab[s->frame_rate_index].den * s1->frame_rate_ext.den,
1<<30);