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| author | Michael Niedermayer <michaelni@gmx.at> | 2005-12-24 23:47:29 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2005-12-24 23:47:29 +0000 |
| commit | aacb6acc8aa3a3efc2a5a4f90bdad077ef5f299e (patch) | |
| tree | 55d787b116d8e1fcacdb0ec3e51348c7929e77ed /libavcodec/motion_est.c | |
| parent | b7c51ebc89e98e27bed2664da7037c665b2f7a92 (diff) | |
| download | ffmpeg-aacb6acc8aa3a3efc2a5a4f90bdad077ef5f299e.tar.gz | |
hmm did i mess the scaling of these up at some point?
anyway, this change decreases bitrate and increase PSNR by ~1.00 on my test file, other files also benefit significantly
Originally committed as revision 4771 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/motion_est.c')
| -rw-r--r-- | libavcodec/motion_est.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/libavcodec/motion_est.c b/libavcodec/motion_est.c index 757d8f3e6e..bd0074f3ad 100644 --- a/libavcodec/motion_est.c +++ b/libavcodec/motion_est.c @@ -1177,7 +1177,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s, pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = vard; c->mc_mb_var_sum_temp += vard; if (vard <= 64 || vard < varc) { //FIXME - c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc); + c->scene_change_score+= ff_sqrt(vard<<8) - ff_sqrt(varc<<8); }else{ c->scene_change_score+= s->qscale; } @@ -1268,7 +1268,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s, #endif if(mb_type){ if (vard <= 64 || vard < varc) - c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc); + c->scene_change_score+= ff_sqrt(vard<<8) - ff_sqrt(varc<<8); else c->scene_change_score+= s->qscale; @@ -1289,7 +1289,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s, } }else if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){ if (vard <= 64 || vard < varc) - c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc); + c->scene_change_score+= ff_sqrt(vard<<8) - ff_sqrt(varc<<8); else c->scene_change_score+= s->qscale; @@ -1395,7 +1395,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s, s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= 0; if (vard <= 64 || vard < varc) { //FIXME - c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc); + c->scene_change_score+= ff_sqrt(vard<<8) - ff_sqrt(varc<<8); }else{ c->scene_change_score+= s->qscale; } @@ -1828,7 +1828,7 @@ void ff_estimate_b_frame_motion(MpegEncContext * s, c->mb_var_sum_temp += varc;*/ c->mc_mb_var_sum_temp += vard; /* if (vard <= 64 || vard < varc) { - c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc); + c->scene_change_score+= ff_sqrt(vard<<8) - ff_sqrt(varc<<8); }else{ c->scene_change_score+= s->qscale; }*/ |