mirror of https://git.ffmpeg.org/ffmpeg.git
-npp fq:<quantizer>
force quantizer (for these lq movies which where reencoded at high bitrates) (c) 2002 Originally committed as revision 3965 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
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@ -1,5 +1,5 @@
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/*
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Copyright (C) 2001 Michael Niedermayer (michaelni@gmx.at)
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Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -175,6 +175,7 @@ static struct PPFilter filters[]=
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{"ci", "cubicipoldeint", 1, 1, 4, CUBIC_IPOL_DEINT_FILTER},
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{"md", "mediandeint", 1, 1, 4, MEDIAN_DEINT_FILTER},
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{"tn", "tmpnoise", 1, 7, 8, TEMP_NOISE_FILTER},
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{"fq", "forcequant", 1, 0, 0, FORCE_QUANT},
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{NULL, NULL,0,0,0,0} //End Marker
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};
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@ -561,6 +562,7 @@ de default hdeblock:a,vdeblock:a,dering:a,autolevels
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fa fast x1hdeblock:a,x1vdeblock:a,dering:a,autolevels
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tn tmpnoise (3 Thresholds) Temporal Noise Reducer
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1. <= 2. <= 3. Threshold, larger means stronger filtering
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fq forceQuant <quantizer> Force quantizer (for reencoded lq stuff)
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*/
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/**
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@ -720,6 +722,21 @@ struct PPMode getPPModeByNameAndQuality(char *name, int quality)
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vFlatnessThreshold= val;
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}
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}
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else if(filters[i].mask == FORCE_QUANT)
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{
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int o;
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ppMode.forcedQuant= 15;
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for(o=0; options[o]!=NULL && o<1; o++)
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{
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char *tail;
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int val= strtol(options[o], &tail, 0);
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if(tail==options[o]) break;
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numOfUnknownOptions--;
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ppMode.forcedQuant= val;
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}
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}
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}
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}
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if(!filterNameOk) ppMode.error++;
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@ -775,7 +792,7 @@ void postprocess(unsigned char * src[], int src_stride,
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if(newPPFlag)
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{
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ppMode= gPPMode[mode];
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// printf("%d \n",QP_store[5]);
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postprocess2(src, src_stride, dst, dst_stride,
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horizontal_size, vertical_size, QP_store, QP_stride, &ppMode);
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@ -850,11 +867,16 @@ void postprocess2(unsigned char * src[], int src_stride,
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struct PPMode *mode)
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{
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static QP_STORE_T zeroArray[2048/8];
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if(QP_store==NULL)
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QP_STORE_T quantArray[2048/8];
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if(QP_store==NULL || (mode->lumMode & FORCE_QUANT))
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{
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QP_store= zeroArray;
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int i;
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QP_store= quantArray;
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QP_stride= 0;
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if(mode->lumMode & FORCE_QUANT)
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for(i=0; i<2048/8; i++) quantArray[i]= mode->forcedQuant;
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else
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for(i=0; i<2048/8; i++) quantArray[i]= 1;
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}
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#ifdef HAVE_ODIVX_POSTPROCESS
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@ -1,5 +1,5 @@
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/*
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Copyright (C) 2001 Michael Niedermayer (michaelni@gmx.at)
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Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -57,6 +57,7 @@
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#define MEDIAN_DEINT_FILTER 0x80000 // 524288
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#define TEMP_NOISE_FILTER 0x100000
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#define FORCE_QUANT 0x200000
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#define GET_PP_QUALITY_MAX 6
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@ -87,6 +88,7 @@ struct PPMode{
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int maxTmpNoise[3]; // for Temporal Noise Reducing filter (Maximal sum of abs differences)
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int maxDcDiff; // max abs diff between pixels to be considered flat
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int forcedQuant; // quantizer if FORCE_QUANT is used
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};
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struct PPFilter{
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