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Code Issues Releases Activity

CANDIDATE_MB_TYPE_INTER heuristic doesnt work at really low quality where the distortion becomes less relevant then the overhead of intra blocks

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Originally committed as revision 6829 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-10-28 20:00:05 +00:00
parent 0a4250bc92
commit 95da34cd54
1 changed files with 2 additions and 1 deletions
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3
libavcodec/motion_est.c
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@ -1299,7 +1299,8 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
if (vard*2 + 200*256 > varc) if (vard*2 + 200*256 > varc)
mb_type|= CANDIDATE_MB_TYPE_INTRA; mb_type|= CANDIDATE_MB_TYPE_INTRA;
if (varc*2 + 200*256 > vard){ if (varc*2 + 200*256 > vard || s->qscale > 24){
// if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){
mb_type|= CANDIDATE_MB_TYPE_INTER; mb_type|= CANDIDATE_MB_TYPE_INTER;
c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
if(s->flags&CODEC_FLAG_MV0) if(s->flags&CODEC_FLAG_MV0)