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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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11
libavcodec/utils.c
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@@ -442,8 +442,7 @@ void avcodec_get_context_defaults(AVCodecContext *s){
s->error_concealment= 3;
s->error_resilience= 1;
s->workaround_bugs= FF_BUG_AUTODETECT;
s->frame_rate_base= 1;
s->frame_rate = 25;
s->time_base= (AVRational){0,1};
s->gop_size= 50;
s->me_method= ME_EPZS;
s->get_buffer= avcodec_default_get_buffer;
@@ -734,7 +733,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %dx%d, %0.2f fps",
enc->width, enc->height,
(float)enc->frame_rate / enc->frame_rate_base);
1/av_q2d(enc->time_base));
}
if (encode) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
@@ -930,6 +929,12 @@ int64_t av_rescale(int64_t a, int64_t b, int64_t c){
return av_rescale_rnd(a, b, c, AV_ROUND_NEAR_INF);
}
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq){
int64_t b= bq.num * (int64_t)cq.den;
int64_t c= cq.num * (int64_t)bq.den;
return av_rescale_rnd(a, b, c, AV_ROUND_NEAR_INF);
}
int64_t ff_gcd(int64_t a, int64_t b){
if(b) return ff_gcd(b, a%b);
else return a;