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-npp fq:<quantizer>

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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
This commit is contained in:
Michael Niedermayer 2002-01-03 14:16:13 +00:00
parent c0903414cb
commit 8aaac43576
2 changed files with 30 additions and 6 deletions
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32
postproc/postprocess.c
View File

@ -1,5 +1,5 @@
/*
Copyright (C) 2001 Michael Niedermayer (michaelni@gmx.at)
Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -175,6 +175,7 @@ static struct PPFilter filters[]=
{"ci", "cubicipoldeint", 1, 1, 4, CUBIC_IPOL_DEINT_FILTER},
{"md", "mediandeint", 1, 1, 4, MEDIAN_DEINT_FILTER},
{"tn", "tmpnoise", 1, 7, 8, TEMP_NOISE_FILTER},
{"fq", "forcequant", 1, 0, 0, FORCE_QUANT},
{NULL, NULL,0,0,0,0} //End Marker
};
@ -561,6 +562,7 @@ de default hdeblock:a,vdeblock:a,dering:a,autolevels
fa fast x1hdeblock:a,x1vdeblock:a,dering:a,autolevels
tn tmpnoise (3 Thresholds) Temporal Noise Reducer
1. <= 2. <= 3. Threshold, larger means stronger filtering
fq forceQuant <quantizer> Force quantizer (for reencoded lq stuff)
*/
/**
@ -720,6 +722,21 @@ struct PPMode getPPModeByNameAndQuality(char *name, int quality)
vFlatnessThreshold= val;
}
}
else if(filters[i].mask == FORCE_QUANT)
{
int o;
ppMode.forcedQuant= 15;
for(o=0; options[o]!=NULL && o<1; o++)
{
char *tail;
int val= strtol(options[o], &tail, 0);
if(tail==options[o]) break;
numOfUnknownOptions--;
ppMode.forcedQuant= val;
}
}
}
}
if(!filterNameOk) ppMode.error++;
@ -775,7 +792,7 @@ void postprocess(unsigned char * src[], int src_stride,
if(newPPFlag)
{
ppMode= gPPMode[mode];
// printf("%d \n",QP_store[5]);
postprocess2(src, src_stride, dst, dst_stride,
horizontal_size, vertical_size, QP_store, QP_stride, &ppMode);
@ -850,11 +867,16 @@ void postprocess2(unsigned char * src[], int src_stride,
struct PPMode *mode)
{
static QP_STORE_T zeroArray[2048/8];
if(QP_store==NULL)
QP_STORE_T quantArray[2048/8];
if(QP_store==NULL || (mode->lumMode & FORCE_QUANT))
{
QP_store= zeroArray;
int i;
QP_store= quantArray;
QP_stride= 0;
if(mode->lumMode & FORCE_QUANT)
for(i=0; i<2048/8; i++) quantArray[i]= mode->forcedQuant;
else
for(i=0; i<2048/8; i++) quantArray[i]= 1;
}
#ifdef HAVE_ODIVX_POSTPROCESS

4
postproc/postprocess.h
View File

@ -1,5 +1,5 @@
/*
Copyright (C) 2001 Michael Niedermayer (michaelni@gmx.at)
Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -57,6 +57,7 @@
#define MEDIAN_DEINT_FILTER 0x80000 // 524288
#define TEMP_NOISE_FILTER 0x100000
#define FORCE_QUANT 0x200000
#define GET_PP_QUALITY_MAX 6
@ -87,6 +88,7 @@ struct PPMode{
int maxTmpNoise[3]; // for Temporal Noise Reducing filter (Maximal sum of abs differences)
int maxDcDiff; // max abs diff between pixels to be considered flat
int forcedQuant; // quantizer if FORCE_QUANT is used
};
struct PPFilter{