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author | rguyom <rguyom@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-04-06 23:37:56 +0000 |
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committer | rguyom <rguyom@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-04-06 23:37:56 +0000 |
commit | a19559f911411665afe3fb106486cf4dfbecb360 (patch) | |
tree | 94af7b5fffced02aa3329e58772b2ed1f1b68719 /libmpcodecs/vd_ffmpeg.c | |
parent | dae951d466af113a15cc7da1100a101b96e5058e (diff) | |
download | mpv-a19559f911411665afe3fb106486cf4dfbecb360.tar.bz2 mpv-a19559f911411665afe3fb106486cf4dfbecb360.tar.xz |
Adaptive quantization support for "-lavcopts psnr" and "-lavdopts vstats".
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9866 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpcodecs/vd_ffmpeg.c')
-rw-r--r-- | libmpcodecs/vd_ffmpeg.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/libmpcodecs/vd_ffmpeg.c b/libmpcodecs/vd_ffmpeg.c index a14c4cd1b6..864ae1f1a3 100644 --- a/libmpcodecs/vd_ffmpeg.c +++ b/libmpcodecs/vd_ffmpeg.c @@ -550,6 +550,7 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){ static int frame_number=0; static double all_frametime=0.0; AVFrame *pic= avctx->coded_frame; + double quality=0.0; if(!fvstats) { time_t today2; @@ -567,10 +568,24 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){ } } + // average MB quantizer + { + int x, y; + int w = (avctx->width+15) >> 4; + int h = (avctx->height+15) >> 4; + int8_t *q = pic->qscale_table; + for( y = 0; y < h; y++ ) { + for( x = 0; x < w; x++ ) + quality += (double)*(q+x); + q += pic->qstride; + } + quality /= w * h; + } + all_len+=len; all_frametime+=sh->frametime; fprintf(fvstats, "frame= %5d q= %2.2f f_size= %6d s_size= %8.0fkB ", - ++frame_number, pic->quality, len, (double)all_len/1024); + ++frame_number, quality, len, (double)all_len/1024); fprintf(fvstats, "time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", all_frametime, (double)(len*8)/sh->frametime/1000.0, (double)(all_len*8)/all_frametime/1000.0); @@ -587,11 +602,14 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){ case FF_B_TYPE: fprintf(fvstats, "type= B\n"); break; + default: + fprintf(fvstats, "type= ? (%d)\n", pic->pict_type); + break; } - ctx->qp_stat[(int)(pic->quality+0.5)]++; - ctx->qp_sum += pic->quality; - ctx->inv_qp_sum += 1.0/pic->quality; + ctx->qp_stat[(int)(quality+0.5)]++; + ctx->qp_sum += quality; + ctx->inv_qp_sum += 1.0/(double)quality; break; } |