*/
int av_find_stream_info(AVFormatContext *ic)
{
- int i, count, ret, read_size;
+ int i, count, ret, read_size, j;
AVStream *st;
AVPacket pkt1, *pkt;
AVPacketList *pktl=NULL, **ppktl;
if (!has_codec_parameters(st->codec))
break;
/* variable fps and no guess at the real fps */
- if( st->codec->time_base.den >= 1000LL*st->codec->time_base.num
+ if( st->codec->time_base.den >= 101LL*st->codec->time_base.num
&& duration_count[i]<20 && st->codec->codec_type == CODEC_TYPE_VIDEO)
break;
if(st->parser && st->parser->parser->split && !st->codec->extradata)
if(st->codec->codec_id == CODEC_ID_RAWVIDEO && !st->codec->codec_tag && !st->codec->bits_per_sample)
st->codec->codec_tag= avcodec_pix_fmt_to_codec_tag(st->codec->pix_fmt);
- if(duration_count[i] && st->codec->time_base.num*1000LL <= st->codec->time_base.den &&
- st->time_base.num*duration_sum[i]/duration_count[i]*1000LL > st->time_base.den){
- AVRational fps1;
- int64_t num, den;
+ if(duration_count[i] && st->codec->time_base.num*101LL <= st->codec->time_base.den &&
+ st->time_base.num*duration_sum[i]/duration_count[i]*101LL > st->time_base.den){
+ int64_t num, den, error, best_error;
num= st->time_base.den*duration_count[i];
den= st->time_base.num*duration_sum[i];
- av_reduce(&fps1.num, &fps1.den, num*1001, den*1000, FFMAX(st->time_base.den, st->time_base.num)/4);
- av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, num, den, FFMAX(st->time_base.den, st->time_base.num)/4);
- if(fps1.num < st->r_frame_rate.num && fps1.den == 1 && (fps1.num==24 || fps1.num==30)){ //FIXME better decission
- st->r_frame_rate.num= fps1.num*1000;
- st->r_frame_rate.den= fps1.den*1001;
+ best_error= INT64_MAX;
+ for(j=1; j<60*12; j++){
+ error= ABS(1001*12*num - 1001*j*den);
+ if(error < best_error){
+ best_error= error;
+ av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, j, 12, INT_MAX);
+ }
+ }
+ for(j=24; j<=30; j+=6){
+ error= ABS(1001*12*num - 1000*12*j*den);
+ if(error < best_error){
+ best_error= error;
+ av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, j*1000, 1001, INT_MAX);
+ }
}
}