diff options
Diffstat (limited to 'mencoder.c')
-rw-r--r-- | mencoder.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/mencoder.c b/mencoder.c index d06acc1ebf..f63fee0d21 100644 --- a/mencoder.c +++ b/mencoder.c @@ -1274,29 +1274,30 @@ if(demuxer2){ // 3-pass encoding, read control file (frameno.avi) // check frame duplicate/drop: //printf("\r### %5.3f ###\n",v_timer_corr); +float mux_frametime = (float)mux_v->h.dwScale/mux_v->h.dwRate; -if(v_timer_corr>=(float)mux_v->h.dwScale/mux_v->h.dwRate && - (skip_limit<0 || skip_flag<skip_limit) ){ - v_timer_corr-=(float)mux_v->h.dwScale/mux_v->h.dwRate; +if (v_timer_corr >= mux_frametime && (skip_limit<0 || skip_flag < skip_limit)) { + v_timer_corr-=mux_frametime; ++skip_flag; // skip -} else -while(v_timer_corr<=-(float)mux_v->h.dwScale/mux_v->h.dwRate && - (skip_limit<0 || (-skip_flag)<skip_limit) ){ - v_timer_corr+=(float)mux_v->h.dwScale/mux_v->h.dwRate; +} +while (v_timer_corr <= -mux_frametime && (skip_limit<0 || -skip_flag < skip_limit)) { + v_timer_corr+=mux_frametime; --skip_flag; // dup } -while( (v_pts_corr<=-(float)mux_v->h.dwScale/mux_v->h.dwRate && skip_flag>0) - || (v_pts_corr<=-2*(float)mux_v->h.dwScale/mux_v->h.dwRate) ){ - v_pts_corr+=(float)mux_v->h.dwScale/mux_v->h.dwRate; +// either v_pts_corr is big, more than 2 times framerate, then we follow its advice, +// or, it cancels out v_timer_corr, in which case be happy and do nothing. + +while ((v_pts_corr <= -mux_frametime && skip_flag > 0) || (v_pts_corr <= -2*mux_frametime)) { + v_pts_corr+=mux_frametime; --skip_flag; // dup } -if( (v_pts_corr>=(float)mux_v->h.dwScale/mux_v->h.dwRate && skip_flag<0) - || (v_pts_corr>=2*(float)mux_v->h.dwScale/mux_v->h.dwRate) ) - if(skip_flag<=0){ // we can't skip more than 1 frame now - v_pts_corr-=(float)mux_v->h.dwScale/mux_v->h.dwRate; +if ((v_pts_corr >= mux_frametime && skip_flag < 0) || (v_pts_corr >= 2*mux_frametime)) { + if (skip_flag<=0) { // we can't skip more than 1 frame now + v_pts_corr-=mux_frametime; ++skip_flag; // skip } +} } // demuxer2 |