This source file includes following definitions.
- postproc_version
- postproc_configuration
- postproc_license
- isHorizDC_C
- isVertDC_C
- isHorizMinMaxOk_C
- isVertMinMaxOk_C
- horizClassify_C
- vertClassify_C
- doHorizDefFilter_C
- doHorizLowPass_C
- horizX1Filter
- do_a_deblock_C
- postProcess
- pp_get_mode_by_name_and_quality
- pp_free_mode
- reallocAlign
- reallocBuffers
- context_to_name
- pp_get_context
- pp_free_context
- pp_postprocess
#include "config.h"
#include "libavutil/avutil.h"
#include "libavutil/avassert.h"
#include "libavutil/intreadwrite.h"
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "postprocess.h"
#include "postprocess_internal.h"
#include "libavutil/avstring.h"
#include "libavutil/ppc/util_altivec.h"
#include "libavutil/ffversion.h"
const char postproc_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
unsigned postproc_version(void)
{
av_assert0(LIBPOSTPROC_VERSION_MICRO >= 100);
return LIBPOSTPROC_VERSION_INT;
}
const char *postproc_configuration(void)
{
return FFMPEG_CONFIGURATION;
}
const char *postproc_license(void)
{
#define LICENSE_PREFIX "libpostproc license: "
return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
}
#define GET_MODE_BUFFER_SIZE 500
#define OPTIONS_ARRAY_SIZE 10
#define BLOCK_SIZE 8
#define TEMP_STRIDE 8
#if ARCH_X86 && HAVE_INLINE_ASM
DECLARE_ASM_CONST(8, uint64_t, w05)= 0x0005000500050005LL;
DECLARE_ASM_CONST(8, uint64_t, w04)= 0x0004000400040004LL;
DECLARE_ASM_CONST(8, uint64_t, w20)= 0x0020002000200020LL;
DECLARE_ASM_CONST(8, uint64_t, b00)= 0x0000000000000000LL;
DECLARE_ASM_CONST(8, uint64_t, b01)= 0x0101010101010101LL;
DECLARE_ASM_CONST(8, uint64_t, b02)= 0x0202020202020202LL;
DECLARE_ASM_CONST(8, uint64_t, b08)= 0x0808080808080808LL;
DECLARE_ASM_CONST(8, uint64_t, b80)= 0x8080808080808080LL;
#endif
DECLARE_ASM_CONST(8, int, deringThreshold)= 20;
static const struct PPFilter filters[]=
{
{"hb", "hdeblock", 1, 1, 3, H_DEBLOCK},
{"vb", "vdeblock", 1, 2, 4, V_DEBLOCK},
{"h1", "x1hdeblock", 1, 1, 3, H_X1_FILTER},
{"v1", "x1vdeblock", 1, 2, 4, V_X1_FILTER},
{"ha", "ahdeblock", 1, 1, 3, H_A_DEBLOCK},
{"va", "avdeblock", 1, 2, 4, V_A_DEBLOCK},
{"dr", "dering", 1, 5, 6, DERING},
{"al", "autolevels", 0, 1, 2, LEVEL_FIX},
{"lb", "linblenddeint", 1, 1, 4, LINEAR_BLEND_DEINT_FILTER},
{"li", "linipoldeint", 1, 1, 4, LINEAR_IPOL_DEINT_FILTER},
{"ci", "cubicipoldeint", 1, 1, 4, CUBIC_IPOL_DEINT_FILTER},
{"md", "mediandeint", 1, 1, 4, MEDIAN_DEINT_FILTER},
{"fd", "ffmpegdeint", 1, 1, 4, FFMPEG_DEINT_FILTER},
{"l5", "lowpass5", 1, 1, 4, LOWPASS5_DEINT_FILTER},
{"tn", "tmpnoise", 1, 7, 8, TEMP_NOISE_FILTER},
{"fq", "forcequant", 1, 0, 0, FORCE_QUANT},
{"be", "bitexact", 1, 0, 0, BITEXACT},
{"vi", "visualize", 1, 0, 0, VISUALIZE},
{NULL, NULL,0,0,0,0}
};
static const char * const replaceTable[]=
{
"default", "hb:a,vb:a,dr:a",
"de", "hb:a,vb:a,dr:a",
"fast", "h1:a,v1:a,dr:a",
"fa", "h1:a,v1:a,dr:a",
"ac", "ha:a:128:7,va:a,dr:a",
NULL
};
static inline int isHorizDC_C(const uint8_t src[], int stride, const PPContext *c)
{
int numEq= 0;
int y;
const int dcOffset= ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
const int dcThreshold= dcOffset*2 + 1;
for(y=0; y<BLOCK_SIZE; y++){
numEq += ((unsigned)(src[0] - src[1] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[1] - src[2] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[2] - src[3] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[3] - src[4] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[4] - src[5] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[5] - src[6] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[6] - src[7] + dcOffset)) < dcThreshold;
src+= stride;
}
return numEq > c->ppMode.flatnessThreshold;
}
static inline int isVertDC_C(const uint8_t src[], int stride, const PPContext *c)
{
int numEq= 0;
int y;
const int dcOffset= ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
const int dcThreshold= dcOffset*2 + 1;
src+= stride*4;
for(y=0; y<BLOCK_SIZE-1; y++){
numEq += ((unsigned)(src[0] - src[0+stride] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[1] - src[1+stride] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[2] - src[2+stride] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[3] - src[3+stride] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[4] - src[4+stride] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[5] - src[5+stride] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[6] - src[6+stride] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[7] - src[7+stride] + dcOffset)) < dcThreshold;
src+= stride;
}
return numEq > c->ppMode.flatnessThreshold;
}
static inline int isHorizMinMaxOk_C(const uint8_t src[], int stride, int QP)
{
int i;
for(i=0; i<2; i++){
if((unsigned)(src[0] - src[5] + 2*QP) > 4*QP) return 0;
src += stride;
if((unsigned)(src[2] - src[7] + 2*QP) > 4*QP) return 0;
src += stride;
if((unsigned)(src[4] - src[1] + 2*QP) > 4*QP) return 0;
src += stride;
if((unsigned)(src[6] - src[3] + 2*QP) > 4*QP) return 0;
src += stride;
}
return 1;
}
static inline int isVertMinMaxOk_C(const uint8_t src[], int stride, int QP)
{
int x;
src+= stride*4;
for(x=0; x<BLOCK_SIZE; x+=4){
if((unsigned)(src[ x + 0*stride] - src[ x + 5*stride] + 2*QP) > 4*QP) return 0;
if((unsigned)(src[1+x + 2*stride] - src[1+x + 7*stride] + 2*QP) > 4*QP) return 0;
if((unsigned)(src[2+x + 4*stride] - src[2+x + 1*stride] + 2*QP) > 4*QP) return 0;
if((unsigned)(src[3+x + 6*stride] - src[3+x + 3*stride] + 2*QP) > 4*QP) return 0;
}
return 1;
}
static inline int horizClassify_C(const uint8_t src[], int stride, const PPContext *c)
{
if( isHorizDC_C(src, stride, c) ){
return isHorizMinMaxOk_C(src, stride, c->QP);
}else{
return 2;
}
}
static inline int vertClassify_C(const uint8_t src[], int stride, const PPContext *c)
{
if( isVertDC_C(src, stride, c) ){
return isVertMinMaxOk_C(src, stride, c->QP);
}else{
return 2;
}
}
static inline void doHorizDefFilter_C(uint8_t dst[], int stride, const PPContext *c)
{
int y;
for(y=0; y<BLOCK_SIZE; y++){
const int middleEnergy= 5*(dst[4] - dst[3]) + 2*(dst[2] - dst[5]);
if(FFABS(middleEnergy) < 8*c->QP){
const int q=(dst[3] - dst[4])/2;
const int leftEnergy= 5*(dst[2] - dst[1]) + 2*(dst[0] - dst[3]);
const int rightEnergy= 5*(dst[6] - dst[5]) + 2*(dst[4] - dst[7]);
int d= FFABS(middleEnergy) - FFMIN( FFABS(leftEnergy), FFABS(rightEnergy) );
d= FFMAX(d, 0);
d= (5*d + 32) >> 6;
d*= FFSIGN(-middleEnergy);
if(q>0)
{
d = FFMAX(d, 0);
d = FFMIN(d, q);
}
else
{
d = FFMIN(d, 0);
d = FFMAX(d, q);
}
dst[3]-= d;
dst[4]+= d;
}
dst+= stride;
}
}
static inline void doHorizLowPass_C(uint8_t dst[], int stride, const PPContext *c)
{
int y;
for(y=0; y<BLOCK_SIZE; y++){
const int first= FFABS(dst[-1] - dst[0]) < c->QP ? dst[-1] : dst[0];
const int last= FFABS(dst[8] - dst[7]) < c->QP ? dst[8] : dst[7];
int sums[10];
sums[0] = 4*first + dst[0] + dst[1] + dst[2] + 4;
sums[1] = sums[0] - first + dst[3];
sums[2] = sums[1] - first + dst[4];
sums[3] = sums[2] - first + dst[5];
sums[4] = sums[3] - first + dst[6];
sums[5] = sums[4] - dst[0] + dst[7];
sums[6] = sums[5] - dst[1] + last;
sums[7] = sums[6] - dst[2] + last;
sums[8] = sums[7] - dst[3] + last;
sums[9] = sums[8] - dst[4] + last;
dst[0]= (sums[0] + sums[2] + 2*dst[0])>>4;
dst[1]= (sums[1] + sums[3] + 2*dst[1])>>4;
dst[2]= (sums[2] + sums[4] + 2*dst[2])>>4;
dst[3]= (sums[3] + sums[5] + 2*dst[3])>>4;
dst[4]= (sums[4] + sums[6] + 2*dst[4])>>4;
dst[5]= (sums[5] + sums[7] + 2*dst[5])>>4;
dst[6]= (sums[6] + sums[8] + 2*dst[6])>>4;
dst[7]= (sums[7] + sums[9] + 2*dst[7])>>4;
dst+= stride;
}
}
static inline void horizX1Filter(uint8_t *src, int stride, int QP)
{
int y;
static uint64_t lut[256];
if(!lut[255])
{
int i;
for(i=0; i<256; i++)
{
int v= i < 128 ? 2*i : 2*(i-256);
uint64_t a= (v/16) & 0xFF;
uint64_t b= (v*3/16) & 0xFF;
uint64_t c= (v*5/16) & 0xFF;
uint64_t d= (7*v/16) & 0xFF;
uint64_t A= (0x100 - a)&0xFF;
uint64_t B= (0x100 - b)&0xFF;
uint64_t C= (0x100 - c)&0xFF;
uint64_t D= (0x100 - c)&0xFF;
lut[i] = (a<<56) | (b<<48) | (c<<40) | (d<<32) |
(D<<24) | (C<<16) | (B<<8) | (A);
}
}
for(y=0; y<BLOCK_SIZE; y++){
int a= src[1] - src[2];
int b= src[3] - src[4];
int c= src[5] - src[6];
int d= FFMAX(FFABS(b) - (FFABS(a) + FFABS(c))/2, 0);
if(d < QP){
int v = d * FFSIGN(-b);
src[1] +=v/8;
src[2] +=v/4;
src[3] +=3*v/8;
src[4] -=3*v/8;
src[5] -=v/4;
src[6] -=v/8;
}
src+=stride;
}
}
static av_always_inline void do_a_deblock_C(uint8_t *src, int step,
int stride, const PPContext *c, int mode)
{
int y;
const int QP= c->QP;
const int dcOffset= ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
const int dcThreshold= dcOffset*2 + 1;
src+= step*4;
for(y=0; y<8; y++){
int numEq= 0;
numEq += ((unsigned)(src[-1*step] - src[0*step] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[ 0*step] - src[1*step] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[ 1*step] - src[2*step] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[ 2*step] - src[3*step] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[ 3*step] - src[4*step] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[ 4*step] - src[5*step] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[ 5*step] - src[6*step] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[ 6*step] - src[7*step] + dcOffset)) < dcThreshold;
numEq += ((unsigned)(src[ 7*step] - src[8*step] + dcOffset)) < dcThreshold;
if(numEq > c->ppMode.flatnessThreshold){
int min, max, x;
if(src[0] > src[step]){
max= src[0];
min= src[step];
}else{
max= src[step];
min= src[0];
}
for(x=2; x<8; x+=2){
if(src[x*step] > src[(x+1)*step]){
if(src[x *step] > max) max= src[ x *step];
if(src[(x+1)*step] < min) min= src[(x+1)*step];
}else{
if(src[(x+1)*step] > max) max= src[(x+1)*step];
if(src[ x *step] < min) min= src[ x *step];
}
}
if(max-min < 2*QP){
const int first= FFABS(src[-1*step] - src[0]) < QP ? src[-1*step] : src[0];
const int last= FFABS(src[8*step] - src[7*step]) < QP ? src[8*step] : src[7*step];
int sums[10];
sums[0] = 4*first + src[0*step] + src[1*step] + src[2*step] + 4;
sums[1] = sums[0] - first + src[3*step];
sums[2] = sums[1] - first + src[4*step];
sums[3] = sums[2] - first + src[5*step];
sums[4] = sums[3] - first + src[6*step];
sums[5] = sums[4] - src[0*step] + src[7*step];
sums[6] = sums[5] - src[1*step] + last;
sums[7] = sums[6] - src[2*step] + last;
sums[8] = sums[7] - src[3*step] + last;
sums[9] = sums[8] - src[4*step] + last;
if (mode & VISUALIZE) {
src[0*step] =
src[1*step] =
src[2*step] =
src[3*step] =
src[4*step] =
src[5*step] =
src[6*step] =
src[7*step] = 128;
}
src[0*step]= (sums[0] + sums[2] + 2*src[0*step])>>4;
src[1*step]= (sums[1] + sums[3] + 2*src[1*step])>>4;
src[2*step]= (sums[2] + sums[4] + 2*src[2*step])>>4;
src[3*step]= (sums[3] + sums[5] + 2*src[3*step])>>4;
src[4*step]= (sums[4] + sums[6] + 2*src[4*step])>>4;
src[5*step]= (sums[5] + sums[7] + 2*src[5*step])>>4;
src[6*step]= (sums[6] + sums[8] + 2*src[6*step])>>4;
src[7*step]= (sums[7] + sums[9] + 2*src[7*step])>>4;
}
}else{
const int middleEnergy= 5*(src[4*step] - src[3*step]) + 2*(src[2*step] - src[5*step]);
if(FFABS(middleEnergy) < 8*QP){
const int q=(src[3*step] - src[4*step])/2;
const int leftEnergy= 5*(src[2*step] - src[1*step]) + 2*(src[0*step] - src[3*step]);
const int rightEnergy= 5*(src[6*step] - src[5*step]) + 2*(src[4*step] - src[7*step]);
int d= FFABS(middleEnergy) - FFMIN( FFABS(leftEnergy), FFABS(rightEnergy) );
d= FFMAX(d, 0);
d= (5*d + 32) >> 6;
d*= FFSIGN(-middleEnergy);
if(q>0){
d = FFMAX(d, 0);
d = FFMIN(d, q);
}else{
d = FFMIN(d, 0);
d = FFMAX(d, q);
}
if ((mode & VISUALIZE) && d) {
d= (d < 0) ? 32 : -32;
src[3*step]= av_clip_uint8(src[3*step] - d);
src[4*step]= av_clip_uint8(src[4*step] + d);
d = 0;
}
src[3*step]-= d;
src[4*step]+= d;
}
}
src += stride;
}
}
#define TEMPLATE_PP_C 1
#include "postprocess_template.c"
#if HAVE_ALTIVEC
# define TEMPLATE_PP_ALTIVEC 1
# include "postprocess_altivec_template.c"
# include "postprocess_template.c"
#endif
#if ARCH_X86 && HAVE_INLINE_ASM
# if CONFIG_RUNTIME_CPUDETECT
# define TEMPLATE_PP_MMX 1
# include "postprocess_template.c"
# define TEMPLATE_PP_MMXEXT 1
# include "postprocess_template.c"
# define TEMPLATE_PP_3DNOW 1
# include "postprocess_template.c"
# define TEMPLATE_PP_SSE2 1
# include "postprocess_template.c"
# else
# if HAVE_SSE2_INLINE
# define TEMPLATE_PP_SSE2 1
# include "postprocess_template.c"
# elif HAVE_MMXEXT_INLINE
# define TEMPLATE_PP_MMXEXT 1
# include "postprocess_template.c"
# elif HAVE_AMD3DNOW_INLINE
# define TEMPLATE_PP_3DNOW 1
# include "postprocess_template.c"
# elif HAVE_MMX_INLINE
# define TEMPLATE_PP_MMX 1
# include "postprocess_template.c"
# endif
# endif
#endif
typedef void (*pp_fn)(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
const int8_t QPs[], int QPStride, int isColor, PPContext *c2);
static inline void postProcess(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
const int8_t QPs[], int QPStride, int isColor, pp_mode *vm, pp_context *vc)
{
pp_fn pp = postProcess_C;
PPContext *c= (PPContext *)vc;
PPMode *ppMode= (PPMode *)vm;
c->ppMode= *ppMode;
if (!(ppMode->lumMode & BITEXACT)) {
#if CONFIG_RUNTIME_CPUDETECT
#if ARCH_X86 && HAVE_INLINE_ASM
if (c->cpuCaps & AV_CPU_FLAG_SSE2) pp = postProcess_SSE2;
else if (c->cpuCaps & AV_CPU_FLAG_MMXEXT) pp = postProcess_MMX2;
else if (c->cpuCaps & AV_CPU_FLAG_3DNOW) pp = postProcess_3DNow;
else if (c->cpuCaps & AV_CPU_FLAG_MMX) pp = postProcess_MMX;
#elif HAVE_ALTIVEC
if (c->cpuCaps & AV_CPU_FLAG_ALTIVEC) pp = postProcess_altivec;
#endif
#else
#if HAVE_SSE2_INLINE
pp = postProcess_SSE2;
#elif HAVE_MMXEXT_INLINE
pp = postProcess_MMX2;
#elif HAVE_AMD3DNOW_INLINE
pp = postProcess_3DNow;
#elif HAVE_MMX_INLINE
pp = postProcess_MMX;
#elif HAVE_ALTIVEC
pp = postProcess_altivec;
#endif
#endif
}
pp(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
}
const char pp_help[] =
"Available postprocessing filters:\n"
"Filters Options\n"
"short long name short long option Description\n"
"* * a autoq CPU power dependent enabler\n"
" c chrom chrominance filtering enabled\n"
" y nochrom chrominance filtering disabled\n"
" n noluma luma filtering disabled\n"
"hb hdeblock (2 threshold) horizontal deblocking filter\n"
" 1. difference factor: default=32, higher -> more deblocking\n"
" 2. flatness threshold: default=39, lower -> more deblocking\n"
" the h & v deblocking filters share these\n"
" so you can't set different thresholds for h / v\n"
"vb vdeblock (2 threshold) vertical deblocking filter\n"
"ha hadeblock (2 threshold) horizontal deblocking filter\n"
"va vadeblock (2 threshold) vertical deblocking filter\n"
"h1 x1hdeblock experimental h deblock filter 1\n"
"v1 x1vdeblock experimental v deblock filter 1\n"
"dr dering deringing filter\n"
"al autolevels automatic brightness / contrast\n"
" f fullyrange stretch luminance to (0..255)\n"
"lb linblenddeint linear blend deinterlacer\n"
"li linipoldeint linear interpolating deinterlace\n"
"ci cubicipoldeint cubic interpolating deinterlacer\n"
"md mediandeint median deinterlacer\n"
"fd ffmpegdeint ffmpeg deinterlacer\n"
"l5 lowpass5 FIR lowpass deinterlacer\n"
"de default hb:a,vb:a,dr:a\n"
"fa fast h1:a,v1:a,dr:a\n"
"ac ha:a:128:7,va:a,dr:a\n"
"tn tmpnoise (3 threshold) temporal noise reducer\n"
" 1. <= 2. <= 3. larger -> stronger filtering\n"
"fq forceQuant <quantizer> force quantizer\n"
"Usage:\n"
"<filterName>[:<option>[:<option>...]][[,|/][-]<filterName>[:<option>...]]...\n"
"long form example:\n"
"vdeblock:autoq/hdeblock:autoq/linblenddeint default,-vdeblock\n"
"short form example:\n"
"vb:a/hb:a/lb de,-vb\n"
"more examples:\n"
"tn:64:128:256\n"
"\n"
;
pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality)
{
char temp[GET_MODE_BUFFER_SIZE];
char *p= temp;
static const char filterDelimiters[] = ",/";
static const char optionDelimiters[] = ":|";
struct PPMode *ppMode;
char *filterToken;
if (!name) {
av_log(NULL, AV_LOG_ERROR, "pp: Missing argument\n");
return NULL;
}
if (!strcmp(name, "help")) {
const char *p;
for (p = pp_help; strchr(p, '\n'); p = strchr(p, '\n') + 1) {
av_strlcpy(temp, p, FFMIN(sizeof(temp), strchr(p, '\n') - p + 2));
av_log(NULL, AV_LOG_INFO, "%s", temp);
}
return NULL;
}
ppMode= av_malloc(sizeof(PPMode));
if (!ppMode)
return NULL;
ppMode->lumMode= 0;
ppMode->chromMode= 0;
ppMode->maxTmpNoise[0]= 700;
ppMode->maxTmpNoise[1]= 1500;
ppMode->maxTmpNoise[2]= 3000;
ppMode->maxAllowedY= 234;
ppMode->minAllowedY= 16;
ppMode->baseDcDiff= 256/8;
ppMode->flatnessThreshold= 56-16-1;
ppMode->maxClippedThreshold= (AVRational){1,100};
ppMode->error=0;
memset(temp, 0, GET_MODE_BUFFER_SIZE);
av_strlcpy(temp, name, GET_MODE_BUFFER_SIZE - 1);
av_log(NULL, AV_LOG_DEBUG, "pp: %s\n", name);
for(;;){
const char *filterName;
int q= 1000000;
int chrom=-1;
int luma=-1;
const char *option;
const char *options[OPTIONS_ARRAY_SIZE];
int i;
int filterNameOk=0;
int numOfUnknownOptions=0;
int enable=1;
char *tokstate;
filterToken= av_strtok(p, filterDelimiters, &tokstate);
if(!filterToken) break;
p+= strlen(filterToken) + 1;
filterName= av_strtok(filterToken, optionDelimiters, &tokstate);
if (!filterName) {
ppMode->error++;
break;
}
av_log(NULL, AV_LOG_DEBUG, "pp: %s::%s\n", filterToken, filterName);
if(*filterName == '-'){
enable=0;
filterName++;
}
for(;;){
option= av_strtok(NULL, optionDelimiters, &tokstate);
if(!option) break;
av_log(NULL, AV_LOG_DEBUG, "pp: option: %s\n", option);
if(!strcmp("autoq", option) || !strcmp("a", option)) q= quality;
else if(!strcmp("nochrom", option) || !strcmp("y", option)) chrom=0;
else if(!strcmp("chrom", option) || !strcmp("c", option)) chrom=1;
else if(!strcmp("noluma", option) || !strcmp("n", option)) luma=0;
else{
options[numOfUnknownOptions] = option;
numOfUnknownOptions++;
}
if(numOfUnknownOptions >= OPTIONS_ARRAY_SIZE-1) break;
}
options[numOfUnknownOptions] = NULL;
for(i=0; replaceTable[2*i]; i++){
if(!strcmp(replaceTable[2*i], filterName)){
size_t newlen = strlen(replaceTable[2*i + 1]);
int plen;
int spaceLeft;
p--, *p=',';
plen= strlen(p);
spaceLeft= p - temp + plen;
if(spaceLeft + newlen >= GET_MODE_BUFFER_SIZE - 1){
ppMode->error++;
break;
}
memmove(p + newlen, p, plen+1);
memcpy(p, replaceTable[2*i + 1], newlen);
filterNameOk=1;
}
}
for(i=0; filters[i].shortName; i++){
if( !strcmp(filters[i].longName, filterName)
|| !strcmp(filters[i].shortName, filterName)){
ppMode->lumMode &= ~filters[i].mask;
ppMode->chromMode &= ~filters[i].mask;
filterNameOk=1;
if(!enable) break;
if(q >= filters[i].minLumQuality && luma)
ppMode->lumMode|= filters[i].mask;
if(chrom==1 || (chrom==-1 && filters[i].chromDefault))
if(q >= filters[i].minChromQuality)
ppMode->chromMode|= filters[i].mask;
if(filters[i].mask == LEVEL_FIX){
int o;
ppMode->minAllowedY= 16;
ppMode->maxAllowedY= 234;
for(o=0; options[o]; o++){
if( !strcmp(options[o],"fullyrange")
||!strcmp(options[o],"f")){
ppMode->minAllowedY= 0;
ppMode->maxAllowedY= 255;
numOfUnknownOptions--;
}
}
}
else if(filters[i].mask == TEMP_NOISE_FILTER)
{
int o;
int numOfNoises=0;
for(o=0; options[o]; o++){
char *tail;
ppMode->maxTmpNoise[numOfNoises]=
strtol(options[o], &tail, 0);
if(tail!=options[o]){
numOfNoises++;
numOfUnknownOptions--;
if(numOfNoises >= 3) break;
}
}
}
else if(filters[i].mask == V_DEBLOCK || filters[i].mask == H_DEBLOCK
|| filters[i].mask == V_A_DEBLOCK || filters[i].mask == H_A_DEBLOCK){
int o;
for(o=0; options[o] && o<2; o++){
char *tail;
int val= strtol(options[o], &tail, 0);
if(tail==options[o]) break;
numOfUnknownOptions--;
if(o==0) ppMode->baseDcDiff= val;
else ppMode->flatnessThreshold= val;
}
}
else if(filters[i].mask == FORCE_QUANT){
int o;
ppMode->forcedQuant= 15;
for(o=0; options[o] && 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++;
ppMode->error += numOfUnknownOptions;
}
av_log(NULL, AV_LOG_DEBUG, "pp: lumMode=%X, chromMode=%X\n", ppMode->lumMode, ppMode->chromMode);
if(ppMode->error){
av_log(NULL, AV_LOG_ERROR, "%d errors in postprocess string \"%s\"\n", ppMode->error, name);
av_free(ppMode);
return NULL;
}
return ppMode;
}
void pp_free_mode(pp_mode *mode){
av_free(mode);
}
static void reallocAlign(void **p, int size){
av_free(*p);
*p= av_mallocz(size);
}
static void reallocBuffers(PPContext *c, int width, int height, int stride, int qpStride){
int mbWidth = (width+15)>>4;
int mbHeight= (height+15)>>4;
int i;
c->stride= stride;
c->qpStride= qpStride;
reallocAlign((void **)&c->tempDst, stride*24+32);
reallocAlign((void **)&c->tempSrc, stride*24);
reallocAlign((void **)&c->tempBlocks, 2*16*8);
reallocAlign((void **)&c->yHistogram, 256*sizeof(uint64_t));
for(i=0; i<256; i++)
c->yHistogram[i]= width*height/64*15/256;
for(i=0; i<3; i++){
reallocAlign((void **)&c->tempBlurred[i], stride*mbHeight*16 + 17*1024);
reallocAlign((void **)&c->tempBlurredPast[i], 256*((height+7)&(~7))/2 + 17*1024);
}
reallocAlign((void **)&c->deintTemp, 2*width+32);
reallocAlign((void **)&c->nonBQPTable, qpStride*mbHeight*sizeof(int8_t));
reallocAlign((void **)&c->stdQPTable, qpStride*mbHeight*sizeof(int8_t));
reallocAlign((void **)&c->forcedQPTable, mbWidth*sizeof(int8_t));
}
static const char * context_to_name(void * ptr) {
return "postproc";
}
static const AVClass av_codec_context_class = { "Postproc", context_to_name, NULL };
av_cold pp_context *pp_get_context(int width, int height, int cpuCaps){
PPContext *c= av_mallocz(sizeof(PPContext));
int stride= FFALIGN(width, 16);
int qpStride= (width+15)/16 + 2;
if (!c)
return NULL;
c->av_class = &av_codec_context_class;
if(cpuCaps&PP_FORMAT){
c->hChromaSubSample= cpuCaps&0x3;
c->vChromaSubSample= (cpuCaps>>4)&0x3;
}else{
c->hChromaSubSample= 1;
c->vChromaSubSample= 1;
}
if (cpuCaps & PP_CPU_CAPS_AUTO) {
c->cpuCaps = av_get_cpu_flags();
} else {
c->cpuCaps = 0;
if (cpuCaps & PP_CPU_CAPS_MMX) c->cpuCaps |= AV_CPU_FLAG_MMX;
if (cpuCaps & PP_CPU_CAPS_MMX2) c->cpuCaps |= AV_CPU_FLAG_MMXEXT;
if (cpuCaps & PP_CPU_CAPS_3DNOW) c->cpuCaps |= AV_CPU_FLAG_3DNOW;
if (cpuCaps & PP_CPU_CAPS_ALTIVEC) c->cpuCaps |= AV_CPU_FLAG_ALTIVEC;
}
reallocBuffers(c, width, height, stride, qpStride);
c->frameNum=-1;
return c;
}
av_cold void pp_free_context(void *vc){
PPContext *c = (PPContext*)vc;
int i;
for(i=0; i<FF_ARRAY_ELEMS(c->tempBlurred); i++)
av_free(c->tempBlurred[i]);
for(i=0; i<FF_ARRAY_ELEMS(c->tempBlurredPast); i++)
av_free(c->tempBlurredPast[i]);
av_free(c->tempBlocks);
av_free(c->yHistogram);
av_free(c->tempDst);
av_free(c->tempSrc);
av_free(c->deintTemp);
av_free(c->stdQPTable);
av_free(c->nonBQPTable);
av_free(c->forcedQPTable);
memset(c, 0, sizeof(PPContext));
av_free(c);
}
void pp_postprocess(const uint8_t * src[3], const int srcStride[3],
uint8_t * dst[3], const int dstStride[3],
int width, int height,
const int8_t *QP_store, int QPStride,
pp_mode *vm, void *vc, int pict_type)
{
int mbWidth = (width+15)>>4;
int mbHeight= (height+15)>>4;
PPMode *mode = vm;
PPContext *c = vc;
int minStride= FFMAX(FFABS(srcStride[0]), FFABS(dstStride[0]));
int absQPStride = FFABS(QPStride);
if(c->stride < minStride || c->qpStride < absQPStride)
reallocBuffers(c, width, height,
FFMAX(minStride, c->stride),
FFMAX(c->qpStride, absQPStride));
if(!QP_store || (mode->lumMode & FORCE_QUANT)){
int i;
QP_store= c->forcedQPTable;
absQPStride = QPStride = 0;
if(mode->lumMode & FORCE_QUANT)
for(i=0; i<mbWidth; i++) c->forcedQPTable[i]= mode->forcedQuant;
else
for(i=0; i<mbWidth; i++) c->forcedQPTable[i]= 1;
}
if(pict_type & PP_PICT_TYPE_QP2){
int i;
const int count= FFMAX(mbHeight * absQPStride, mbWidth);
for(i=0; i<(count>>2); i++){
AV_WN32(c->stdQPTable + (i<<2), AV_RN32(QP_store + (i<<2)) >> 1 & 0x7F7F7F7F);
}
for(i<<=2; i<count; i++){
c->stdQPTable[i] = QP_store[i]>>1;
}
QP_store= c->stdQPTable;
QPStride= absQPStride;
}
if(0){
int x,y;
for(y=0; y<mbHeight; y++){
for(x=0; x<mbWidth; x++){
av_log(c, AV_LOG_INFO, "%2d ", QP_store[x + y*QPStride]);
}
av_log(c, AV_LOG_INFO, "\n");
}
av_log(c, AV_LOG_INFO, "\n");
}
if((pict_type&7)!=3){
if (QPStride >= 0){
int i;
const int count= FFMAX(mbHeight * QPStride, mbWidth);
for(i=0; i<(count>>2); i++){
AV_WN32(c->nonBQPTable + (i<<2), AV_RN32(QP_store + (i<<2)) & 0x3F3F3F3F);
}
for(i<<=2; i<count; i++){
c->nonBQPTable[i] = QP_store[i] & 0x3F;
}
} else {
int i,j;
for(i=0; i<mbHeight; i++) {
for(j=0; j<absQPStride; j++) {
c->nonBQPTable[i*absQPStride+j] = QP_store[i*QPStride+j] & 0x3F;
}
}
}
}
av_log(c, AV_LOG_DEBUG, "using npp filters 0x%X/0x%X\n",
mode->lumMode, mode->chromMode);
postProcess(src[0], srcStride[0], dst[0], dstStride[0],
width, height, QP_store, QPStride, 0, mode, c);
if (!(src[1] && src[2] && dst[1] && dst[2]))
return;
width = (width )>>c->hChromaSubSample;
height = (height)>>c->vChromaSubSample;
if(mode->chromMode){
postProcess(src[1], srcStride[1], dst[1], dstStride[1],
width, height, QP_store, QPStride, 1, mode, c);
postProcess(src[2], srcStride[2], dst[2], dstStride[2],
width, height, QP_store, QPStride, 2, mode, c);
}
else if(srcStride[1] == dstStride[1] && srcStride[2] == dstStride[2]){
linecpy(dst[1], src[1], height, srcStride[1]);
linecpy(dst[2], src[2], height, srcStride[2]);
}else{
int y;
for(y=0; y<height; y++){
memcpy(&(dst[1][y*dstStride[1]]), &(src[1][y*srcStride[1]]), width);
memcpy(&(dst[2][y*dstStride[2]]), &(src[2][y*srcStride[2]]), width);
}
}
}