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Adaptive quantization support for "-lavcopts psnr" and "-lavdopts vstats".

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9866 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
rguyom 2003-04-06 23:37:56 +00:00
parent dae951d466
commit a19559f911
2 changed files with 38 additions and 5 deletions
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26
libmpcodecs/vd_ffmpeg.c
View File

@ -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 int frame_number=0;
static double all_frametime=0.0; static double all_frametime=0.0;
AVFrame *pic= avctx->coded_frame; AVFrame *pic= avctx->coded_frame;
double quality=0.0;
if(!fvstats) { if(!fvstats) {
time_t today2; 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_len+=len;
all_frametime+=sh->frametime; all_frametime+=sh->frametime;
fprintf(fvstats, "frame= %5d q= %2.2f f_size= %6d s_size= %8.0fkB ", 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 ", fprintf(fvstats, "time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
all_frametime, (double)(len*8)/sh->frametime/1000.0, all_frametime, (double)(len*8)/sh->frametime/1000.0,
(double)(all_len*8)/all_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: case FF_B_TYPE:
fprintf(fvstats, "type= B\n"); fprintf(fvstats, "type= B\n");
break; break;
default:
fprintf(fvstats, "type= ? (%d)\n", pic->pict_type);
break;
} }
ctx->qp_stat[(int)(pic->quality+0.5)]++; ctx->qp_stat[(int)(quality+0.5)]++;
ctx->qp_sum += pic->quality; ctx->qp_sum += quality;
ctx->inv_qp_sum += 1.0/pic->quality; ctx->inv_qp_sum += 1.0/(double)quality;
break; break;
} }

17
libmpcodecs/ve_lavc.c
View File

@ -528,6 +528,7 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
static double all_frametime=0.0; static double all_frametime=0.0;
AVFrame *pic= lavc_venc_context->coded_frame; AVFrame *pic= lavc_venc_context->coded_frame;
double f= lavc_venc_context->width*lavc_venc_context->height*255.0*255.0; double f= lavc_venc_context->width*lavc_venc_context->height*255.0*255.0;
double quality=0.0;
if(!fvstats) { if(!fvstats) {
time_t today2; time_t today2;
@ -543,10 +544,24 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
/*exit(1);*/ /*exit(1);*/
} }
} }
// average MB quantizer
{
int x, y;
int w = (lavc_venc_context->width+15) >> 4;
int h = (lavc_venc_context->height+15) >> 4;
int8_t *q = lavc_venc_context->coded_frame->qscale_table;
for( y = 0; y < h; y++ ) {
for( x = 0; x < w; x++ )
quality += (double)*(q+x);
q += lavc_venc_context->coded_frame->qstride;
}
quality /= w * h;
}
fprintf(fvstats, "%6d, %2.2f, %6d, %2.2f, %2.2f, %2.2f, %2.2f %c\n", fprintf(fvstats, "%6d, %2.2f, %6d, %2.2f, %2.2f, %2.2f, %2.2f %c\n",
lavc_venc_context->coded_frame->coded_picture_number, lavc_venc_context->coded_frame->coded_picture_number,
lavc_venc_context->coded_frame->quality, quality,
out_size, out_size,
psnr(lavc_venc_context->coded_frame->error[0]/f), psnr(lavc_venc_context->coded_frame->error[0]/f),
psnr(lavc_venc_context->coded_frame->error[1]*4/f), psnr(lavc_venc_context->coded_frame->error[1]*4/f),