Merge commit '2ade1cdafb96bf47e77f7ed74731d78a30aae950'
* commit '2ade1cdafb96bf47e77f7ed74731d78a30aae950': intrax8: K&R formatting cosmetics Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
This commit is contained in:
Derek Buitenhuis
commit
ba5bcf9612
File diff suppressed because it is too large
Load Diff
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@ -25,27 +25,31 @@
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#include "wmv2dsp.h"
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typedef struct IntraX8Context {
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VLC * j_ac_vlc[4];//they point to the static j_mb_vlc
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VLC * j_orient_vlc;
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VLC * j_dc_vlc[3];
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VLC *j_ac_vlc[4]; // they point to the static j_mb_vlc
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VLC *j_orient_vlc;
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VLC *j_dc_vlc[3];
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int use_quant_matrix;
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//set by ff_intrax8_common_init
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uint8_t * prediction_table;//2*(mb_w*2)
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// set by ff_intrax8_common_init
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uint8_t *prediction_table; // 2 * (mb_w * 2)
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ScanTable scantable[3];
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WMV2DSPContext wdsp;
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uint8_t idct_permutation[64];
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//set by the caller codec
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//set by the caller codec
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MpegEncContext * s;
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IntraX8DSPContext dsp;
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int quant;
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int dquant;
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int qsum;
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//calculated per frame
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// calculated per frame
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int quant_dc_chroma;
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int divide_quant_dc_luma;
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int divide_quant_dc_chroma;
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//changed per block
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// changed per block
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int edges;
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int flat_dc;
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int predicted_dc;
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@ -55,8 +59,8 @@ typedef struct IntraX8Context {
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int est_run;
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} IntraX8Context;
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void ff_intrax8_common_init(IntraX8Context * w, MpegEncContext * const s);
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void ff_intrax8_common_end(IntraX8Context * w);
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int ff_intrax8_decode_picture(IntraX8Context * w, int quant, int halfpq);
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void ff_intrax8_common_init(IntraX8Context *w, MpegEncContext *const s);
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void ff_intrax8_common_end(IntraX8Context *w);
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int ff_intrax8_decode_picture(IntraX8Context *w, int quant, int halfpq);
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#endif /* AVCODEC_INTRAX8_H */
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@ -17,7 +17,7 @@
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*/
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/**
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* @file
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* @file
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*@brief IntraX8 frame subdecoder image manipulation routines
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*/
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@ -25,27 +25,27 @@
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#include "libavutil/common.h"
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/*
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area positions, #3 is 1 pixel only, other are 8 pixels
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|66666666|
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3|44444444|55555555|
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- -+--------+--------+
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1 2|XXXXXXXX|
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1 2|XXXXXXXX|
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1 2|XXXXXXXX|
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1 2|XXXXXXXX|
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1 2|XXXXXXXX|
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1 2|XXXXXXXX|
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1 2|XXXXXXXX|
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1 2|XXXXXXXX|
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^-start
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*/
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* area positions, #3 is 1 pixel only, other are 8 pixels
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* |66666666|
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* 3|44444444|55555555|
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* - -+--------+--------+
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* 1 2|XXXXXXXX|
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* 1 2|XXXXXXXX|
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* 1 2|XXXXXXXX|
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* 1 2|XXXXXXXX|
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* 1 2|XXXXXXXX|
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* 1 2|XXXXXXXX|
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* 1 2|XXXXXXXX|
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* 1 2|XXXXXXXX|
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* ^-start
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*/
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#define area1 (0)
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#define area2 (8)
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#define area3 (8+8)
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#define area4 (8+8+1)
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#define area5 (8+8+1+8)
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#define area6 (8+8+1+16)
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#define area3 (8 + 8)
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#define area4 (8 + 8 + 1)
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#define area5 (8 + 8 + 1 + 8)
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#define area6 (8 + 8 + 1 + 16)
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/**
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Collect statistics and prepare the edge pixels required by the other spatial compensation functions.
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@ -61,372 +61,404 @@ area positions, #3 is 1 pixel only, other are 8 pixels
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2 - mb_y==0 - first row, interpolate area #3,#4,#5,#6;
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note: 1|2 - mb_x==mb_y==0 - first block, use 0x80 value for all areas;
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4 - mb_x>= (mb_width-1) last block in the row, interpolate area #5;
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*/
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static void x8_setup_spatial_compensation(uint8_t *src, uint8_t *dst, int linesize,
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int * range, int * psum, int edges){
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uint8_t * ptr;
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-*/
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static void x8_setup_spatial_compensation(uint8_t *src, uint8_t *dst,
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int linesize, int *range, int *psum,
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int edges)
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{
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uint8_t *ptr;
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int sum;
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int i;
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int min_pix,max_pix;
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int min_pix, max_pix;
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uint8_t c;
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if((edges&3)==3){
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*psum=0x80*(8+1+8+2);
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*range=0;
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memset(dst,0x80,16+1+16+8);
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//this triggers flat_dc for sure.
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//flat_dc avoids all (other) prediction modes, but requires dc_level decoding.
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if ((edges & 3) == 3) {
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*psum = 0x80 * (8 + 1 + 8 + 2);
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*range = 0;
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memset(dst, 0x80, 16 + 1 + 16 + 8);
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/* this triggers flat_dc for sure. flat_dc avoids all (other)
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* prediction modes, but requires dc_level decoding. */
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return;
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}
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min_pix=256;
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max_pix=-1;
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min_pix = 256;
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max_pix = -1;
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sum=0;
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sum = 0;
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if(!(edges&1)){//(mb_x!=0)//there is previous block on this row
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ptr=src-1;//left column, area 2
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for(i=7;i>=0;i--){
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c=*(ptr-1);//area1, same mb as area2, no need to check
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dst[area1+i]=c;
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c=*(ptr);
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if (!(edges & 1)) { // (mb_x != 0) // there is previous block on this row
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ptr = src - 1; // left column, area 2
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for (i = 7; i >= 0; i--) {
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c = *(ptr - 1); // area1, same mb as area2, no need to check
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dst[area1 + i] = c;
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c = *(ptr);
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sum+=c;
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min_pix=FFMIN(min_pix,c);
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max_pix=FFMAX(max_pix,c);
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dst[area2+i]=c;
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sum += c;
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min_pix = FFMIN(min_pix, c);
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max_pix = FFMAX(max_pix, c);
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dst[area2 + i] = c;
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ptr+=linesize;
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ptr += linesize;
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}
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}
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if(!(edges&2)){ //(mb_y!=0)//there is row above
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ptr=src-linesize;//top line
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for(i=0;i<8;i++){
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c=*(ptr+i);
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sum+=c;
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min_pix=FFMIN(min_pix, c);
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max_pix=FFMAX(max_pix, c);
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if (!(edges & 2)) { // (mb_y != 0) // there is row above
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ptr = src - linesize; // top line
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for (i = 0; i < 8; i++) {
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c = *(ptr + i);
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sum += c;
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min_pix = FFMIN(min_pix, c);
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max_pix = FFMAX(max_pix, c);
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}
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if(edges&4){//last block on the row?
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memset(dst+area5,c,8);//set with last pixel fr
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memcpy(dst+area4, ptr, 8);
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}else{
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memcpy(dst+area4, ptr, 16);//both area4 and 5
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if (edges & 4) { // last block on the row?
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memset(dst + area5, c, 8); // set with last pixel fr
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memcpy(dst + area4, ptr, 8);
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} else {
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memcpy(dst + area4, ptr, 16); // both area4 and 5
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}
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memcpy(dst+area6, ptr-linesize, 8);//area6 always present in the above block
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// area6 always present in the above block
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memcpy(dst + area6, ptr - linesize, 8);
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}
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//now calculate the stuff we need
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if(edges&3){//mb_x==0 || mb_y==0){
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int avg=(sum+4)>>3;
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if(edges&1){ //(mb_x==0) {//implies mb_y!=0
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memset(dst+area1,avg,8+8+1);//areas 1,2 and 3 are averaged
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}else{//implies y==0 x!=0
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memset(dst+area3,avg, 1+16+8);//areas 3, 4,5,6
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}
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sum+=avg*9;
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}else{
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uint8_t c=*(src-1-linesize);//the edge pixel, in the top line and left column
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dst[area3]=c;
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sum+=c;
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//edge pixel is not part of min/max
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// now calculate the stuff we need
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if (edges & 3) { // mb_x ==0 || mb_y == 0) {
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int avg = (sum + 4) >> 3;
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if (edges & 1) // (mb_x == 0) { // implies mb_y !=0
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memset(dst + area1, avg, 8 + 8 + 1); // areas 1, 2, 3 are averaged
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else // implies y == 0 x != 0
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memset(dst + area3, avg, 1 + 16 + 8); // areas 3, 4, 5, 6
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sum += avg * 9;
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} else {
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// the edge pixel, in the top line and left column
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uint8_t c = *(src - 1 - linesize);
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dst[area3] = c;
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sum += c;
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// edge pixel is not part of min/max
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}
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(*range) = max_pix - min_pix;
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sum += *(dst+area5) + *(dst+area5+1);
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*psum = sum;
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sum += *(dst + area5) + *(dst + area5 + 1);
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*psum = sum;
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}
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static const uint16_t zero_prediction_weights[64*2] = {
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640, 640, 669, 480, 708, 354, 748, 257, 792, 198, 760, 143, 808, 101, 772, 72,
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480, 669, 537, 537, 598, 416, 661, 316, 719, 250, 707, 185, 768, 134, 745, 97,
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354, 708, 416, 598, 488, 488, 564, 388, 634, 317, 642, 241, 716, 179, 706, 132,
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257, 748, 316, 661, 388, 564, 469, 469, 543, 395, 571, 311, 655, 238, 660, 180,
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198, 792, 250, 719, 317, 634, 395, 543, 469, 469, 507, 380, 597, 299, 616, 231,
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161, 855, 206, 788, 266, 710, 340, 623, 411, 548, 455, 455, 548, 366, 576, 288,
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122, 972, 159, 914, 211, 842, 276, 758, 341, 682, 389, 584, 483, 483, 520, 390,
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110, 1172, 144, 1107, 193, 1028, 254, 932, 317, 846, 366, 731, 458, 611, 499, 499
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static const uint16_t zero_prediction_weights[64 * 2] = {
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640, 640, 669, 480, 708, 354, 748, 257,
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792, 198, 760, 143, 808, 101, 772, 72,
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480, 669, 537, 537, 598, 416, 661, 316,
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719, 250, 707, 185, 768, 134, 745, 97,
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354, 708, 416, 598, 488, 488, 564, 388,
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634, 317, 642, 241, 716, 179, 706, 132,
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257, 748, 316, 661, 388, 564, 469, 469,
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543, 395, 571, 311, 655, 238, 660, 180,
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198, 792, 250, 719, 317, 634, 395, 543,
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469, 469, 507, 380, 597, 299, 616, 231,
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161, 855, 206, 788, 266, 710, 340, 623,
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411, 548, 455, 455, 548, 366, 576, 288,
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122, 972, 159, 914, 211, 842, 276, 758,
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341, 682, 389, 584, 483, 483, 520, 390,
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110, 1172, 144, 1107, 193, 1028, 254, 932,
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317, 846, 366, 731, 458, 611, 499, 499,
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};
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static void spatial_compensation_0(uint8_t *src , uint8_t *dst, int linesize){
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int i,j;
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int x,y;
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unsigned int p;//power divided by 2
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static void spatial_compensation_0(uint8_t *src, uint8_t *dst, int linesize)
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{
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int i, j;
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int x, y;
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unsigned int p; // power divided by 2
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int a;
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uint16_t left_sum[2][8] = { { 0 } };
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uint16_t top_sum[2][8] = { { 0 } };
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for(i=0;i<8;i++){
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a=src[area2+7-i]<<4;
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for(j=0;j<8;j++){
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p=abs(i-j);
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left_sum[p&1][j]+= a>>(p>>1);
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for (i = 0; i < 8; i++) {
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a = src[area2 + 7 - i] << 4;
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for (j = 0; j < 8; j++) {
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p = abs(i - j);
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left_sum[p & 1][j] += a >> (p >> 1);
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}
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}
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for(i=0;i<8;i++){
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a=src[area4+i]<<4;
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for(j=0;j<8;j++){
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p=abs(i-j);
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top_sum[p&1][j]+= a>>(p>>1);
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for (i = 0; i < 8; i++) {
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a = src[area4 + i] << 4;
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for (j = 0; j < 8; j++) {
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p = abs(i - j);
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top_sum[p & 1][j] += a >> (p >> 1);
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}
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}
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for(;i<10;i++){
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a=src[area4+i]<<4;
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for(j=5;j<8;j++){
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p=abs(i-j);
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top_sum[p&1][j]+= a>>(p>>1);
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for (; i < 10; i++) {
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a = src[area4 + i] << 4;
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for (j = 5; j < 8; j++) {
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p = abs(i - j);
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top_sum[p & 1][j] += a >> (p >> 1);
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}
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}
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for(;i<12;i++){
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a=src[area4+i]<<4;
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for(j=7;j<8;j++){
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p=abs(i-j);
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top_sum[p&1][j]+= a>>(p>>1);
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for (; i < 12; i++) {
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a = src[area4 + i] << 4;
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for (j = 7; j < 8; j++) {
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p = abs(i - j);
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top_sum[p & 1][j] += a >> (p >> 1);
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}
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}
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for(i=0;i<8;i++){
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top_sum [0][i]+=(top_sum [1][i]*181 + 128 )>>8;//181 is sqrt(2)/2
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left_sum[0][i]+=(left_sum[1][i]*181 + 128 )>>8;
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for (i = 0; i < 8; i++) {
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top_sum[0][i] += (top_sum[1][i] * 181 + 128) >> 8; // 181 is sqrt(2)/2
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left_sum[0][i] += (left_sum[1][i] * 181 + 128) >> 8;
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}
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for(y=0;y<8;y++){
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for(x=0;x<8;x++){
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dst[x] = (
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(uint32_t)top_sum [0][x]*zero_prediction_weights[y*16+x*2+0] +
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(uint32_t)left_sum[0][y]*zero_prediction_weights[y*16+x*2+1] +
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0x8000
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)>>16;
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}
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dst+=linesize;
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}
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}
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static void spatial_compensation_1(uint8_t *src , uint8_t *dst, int linesize){
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int x,y;
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for(y=0;y<8;y++){
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for(x=0;x<8;x++){
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dst[x]=src[area4 + FFMIN(2*y+x+2, 15) ];
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}
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dst+=linesize;
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}
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}
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static void spatial_compensation_2(uint8_t *src , uint8_t *dst, int linesize){
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int x,y;
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for(y=0;y<8;y++){
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for(x=0;x<8;x++){
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dst[x]=src[area4 +1+y+x];
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}
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dst+=linesize;
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}
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}
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static void spatial_compensation_3(uint8_t *src , uint8_t *dst, int linesize){
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int x,y;
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for(y=0;y<8;y++){
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for(x=0;x<8;x++){
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dst[x]=src[area4 +((y+1)>>1)+x];
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}
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dst+=linesize;
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}
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}
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static void spatial_compensation_4(uint8_t *src , uint8_t *dst, int linesize){
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int x,y;
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for(y=0;y<8;y++){
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for(x=0;x<8;x++){
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dst[x]=( src[area4+x] + src[area6+x] + 1 )>>1;
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}
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dst+=linesize;
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}
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}
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static void spatial_compensation_5(uint8_t *src , uint8_t *dst, int linesize){
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int x,y;
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for(y=0;y<8;y++){
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for(x=0;x<8;x++){
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if(2*x-y<0){
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dst[x]=src[area2+9+2*x-y];
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}else{
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dst[x]=src[area4 +x-((y+1)>>1)];
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}
|
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}
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dst+=linesize;
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}
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}
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static void spatial_compensation_6(uint8_t *src , uint8_t *dst, int linesize){
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int x,y;
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|
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for(y=0;y<8;y++){
|
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for(x=0;x<8;x++){
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dst[x]=src[area3+x-y];
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}
|
||||
dst+=linesize;
|
||||
}
|
||||
}
|
||||
static void spatial_compensation_7(uint8_t *src , uint8_t *dst, int linesize){
|
||||
int x,y;
|
||||
|
||||
for(y=0;y<8;y++){
|
||||
for(x=0;x<8;x++){
|
||||
if(x-2*y>0){
|
||||
dst[x]=( src[area3-1+x-2*y] + src[area3+x-2*y] + 1)>>1;
|
||||
}else{
|
||||
dst[x]=src[area2+8-y +(x>>1)];
|
||||
}
|
||||
}
|
||||
dst+=linesize;
|
||||
}
|
||||
}
|
||||
static void spatial_compensation_8(uint8_t *src , uint8_t *dst, int linesize){
|
||||
int x,y;
|
||||
|
||||
for(y=0;y<8;y++){
|
||||
for(x=0;x<8;x++){
|
||||
dst[x]=( src[area1+7-y] + src[area2+7-y] + 1 )>>1;
|
||||
}
|
||||
dst+=linesize;
|
||||
}
|
||||
}
|
||||
static void spatial_compensation_9(uint8_t *src , uint8_t *dst, int linesize){
|
||||
int x,y;
|
||||
|
||||
for(y=0;y<8;y++){
|
||||
for(x=0;x<8;x++){
|
||||
dst[x]=src[area2+6-FFMIN(x+y,6)];
|
||||
}
|
||||
dst+=linesize;
|
||||
}
|
||||
}
|
||||
static void spatial_compensation_10(uint8_t *src , uint8_t *dst, int linesize){
|
||||
int x,y;
|
||||
|
||||
for(y=0;y<8;y++){
|
||||
for(x=0;x<8;x++){
|
||||
dst[x]=(src[area2+7-y]*(8-x)+src[area4+x]*x+4)>>3;
|
||||
}
|
||||
dst+=linesize;
|
||||
}
|
||||
}
|
||||
static void spatial_compensation_11(uint8_t *src , uint8_t *dst, int linesize){
|
||||
int x,y;
|
||||
|
||||
for(y=0;y<8;y++){
|
||||
for(x=0;x<8;x++){
|
||||
dst[x]=(src[area2+7-y]*y+src[area4+x]*(8-y)+4)>>3;
|
||||
}
|
||||
dst+=linesize;
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++)
|
||||
dst[x] = ((uint32_t) top_sum[0][x] * zero_prediction_weights[y * 16 + x * 2 + 0] +
|
||||
(uint32_t) left_sum[0][y] * zero_prediction_weights[y * 16 + x * 2 + 1] +
|
||||
0x8000) >> 16;
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
static void x8_loop_filter(uint8_t * ptr, const int a_stride, const int b_stride, int quant){
|
||||
int i,t;
|
||||
int p0,p1,p2,p3,p4,p5,p6,p7,p8,p9;
|
||||
int ql=(quant+10)>>3;
|
||||
static void spatial_compensation_1(uint8_t *src, uint8_t *dst, int linesize)
|
||||
{
|
||||
int x, y;
|
||||
|
||||
for(i=0; i<8; i++,ptr+=b_stride){
|
||||
p0=ptr[-5*a_stride];
|
||||
p1=ptr[-4*a_stride];
|
||||
p2=ptr[-3*a_stride];
|
||||
p3=ptr[-2*a_stride];
|
||||
p4=ptr[-1*a_stride];
|
||||
p5=ptr[ 0 ];
|
||||
p6=ptr[ 1*a_stride];
|
||||
p7=ptr[ 2*a_stride];
|
||||
p8=ptr[ 3*a_stride];
|
||||
p9=ptr[ 4*a_stride];
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++)
|
||||
dst[x] = src[area4 + FFMIN(2 * y + x + 2, 15)];
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
t=
|
||||
(FFABS(p1-p2) <= ql) +
|
||||
(FFABS(p2-p3) <= ql) +
|
||||
(FFABS(p3-p4) <= ql) +
|
||||
(FFABS(p4-p5) <= ql);
|
||||
if(t>0){//You need at least 1 to be able to reach a total score of 6.
|
||||
t+=
|
||||
(FFABS(p5-p6) <= ql) +
|
||||
(FFABS(p6-p7) <= ql) +
|
||||
(FFABS(p7-p8) <= ql) +
|
||||
(FFABS(p8-p9) <= ql) +
|
||||
(FFABS(p0-p1) <= ql);
|
||||
if(t>=6){
|
||||
int min,max;
|
||||
static void spatial_compensation_2(uint8_t *src, uint8_t *dst, int linesize)
|
||||
{
|
||||
int x, y;
|
||||
|
||||
min=max=p1;
|
||||
min=FFMIN(min,p3); max=FFMAX(max,p3);
|
||||
min=FFMIN(min,p5); max=FFMAX(max,p5);
|
||||
min=FFMIN(min,p8); max=FFMAX(max,p8);
|
||||
if(max-min<2*quant){//early stop
|
||||
min=FFMIN(min,p2); max=FFMAX(max,p2);
|
||||
min=FFMIN(min,p4); max=FFMAX(max,p4);
|
||||
min=FFMIN(min,p6); max=FFMAX(max,p6);
|
||||
min=FFMIN(min,p7); max=FFMAX(max,p7);
|
||||
if(max-min<2*quant){
|
||||
ptr[-2*a_stride]=(4*p2 + 3*p3 + 1*p7 + 4)>>3;
|
||||
ptr[-1*a_stride]=(3*p2 + 3*p4 + 2*p7 + 4)>>3;
|
||||
ptr[ 0 ]=(2*p2 + 3*p5 + 3*p7 + 4)>>3;
|
||||
ptr[ 1*a_stride]=(1*p2 + 3*p6 + 4*p7 + 4)>>3;
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++)
|
||||
dst[x] = src[area4 + 1 + y + x];
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
static void spatial_compensation_3(uint8_t *src, uint8_t *dst, int linesize)
|
||||
{
|
||||
int x, y;
|
||||
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++)
|
||||
dst[x] = src[area4 + ((y + 1) >> 1) + x];
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
static void spatial_compensation_4(uint8_t *src, uint8_t *dst, int linesize)
|
||||
{
|
||||
int x, y;
|
||||
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++)
|
||||
dst[x] = (src[area4 + x] + src[area6 + x] + 1) >> 1;
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
static void spatial_compensation_5(uint8_t *src, uint8_t *dst, int linesize)
|
||||
{
|
||||
int x, y;
|
||||
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++) {
|
||||
if (2 * x - y < 0)
|
||||
dst[x] = src[area2 + 9 + 2 * x - y];
|
||||
else
|
||||
dst[x] = src[area4 + x - ((y + 1) >> 1)];
|
||||
}
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
static void spatial_compensation_6(uint8_t *src, uint8_t *dst, int linesize)
|
||||
{
|
||||
int x, y;
|
||||
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++)
|
||||
dst[x] = src[area3 + x - y];
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
static void spatial_compensation_7(uint8_t *src, uint8_t *dst, int linesize)
|
||||
{
|
||||
int x, y;
|
||||
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++) {
|
||||
if (x - 2 * y > 0)
|
||||
dst[x] = (src[area3 - 1 + x - 2 * y] + src[area3 + x - 2 * y] + 1) >> 1;
|
||||
else
|
||||
dst[x] = src[area2 + 8 - y + (x >> 1)];
|
||||
}
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
static void spatial_compensation_8(uint8_t *src, uint8_t *dst, int linesize)
|
||||
{
|
||||
int x, y;
|
||||
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++)
|
||||
dst[x] = (src[area1 + 7 - y] + src[area2 + 7 - y] + 1) >> 1;
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
static void spatial_compensation_9(uint8_t *src, uint8_t *dst, int linesize)
|
||||
{
|
||||
int x, y;
|
||||
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++)
|
||||
dst[x] = src[area2 + 6 - FFMIN(x + y, 6)];
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
static void spatial_compensation_10(uint8_t *src, uint8_t *dst, int linesize)
|
||||
{
|
||||
int x, y;
|
||||
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++)
|
||||
dst[x] = (src[area2 + 7 - y] * (8 - x) + src[area4 + x] * x + 4) >> 3;
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
static void spatial_compensation_11(uint8_t *src, uint8_t *dst, int linesize)
|
||||
{
|
||||
int x, y;
|
||||
|
||||
for (y = 0; y < 8; y++) {
|
||||
for (x = 0; x < 8; x++)
|
||||
dst[x] = (src[area2 + 7 - y] * y + src[area4 + x] * (8 - y) + 4) >> 3;
|
||||
dst += linesize;
|
||||
}
|
||||
}
|
||||
|
||||
static void x8_loop_filter(uint8_t *ptr, const int a_stride, const int b_stride, int quant)
|
||||
{
|
||||
int i, t;
|
||||
int p0, p1, p2, p3, p4, p5, p6, p7, p8, p9;
|
||||
int ql = (quant + 10) >> 3;
|
||||
|
||||
for (i = 0; i < 8; i++, ptr += b_stride) {
|
||||
p0 = ptr[-5 * a_stride];
|
||||
p1 = ptr[-4 * a_stride];
|
||||
p2 = ptr[-3 * a_stride];
|
||||
p3 = ptr[-2 * a_stride];
|
||||
p4 = ptr[-1 * a_stride];
|
||||
p5 = ptr[0];
|
||||
p6 = ptr[1 * a_stride];
|
||||
p7 = ptr[2 * a_stride];
|
||||
p8 = ptr[3 * a_stride];
|
||||
p9 = ptr[4 * a_stride];
|
||||
|
||||
t = (FFABS(p1 - p2) <= ql) +
|
||||
(FFABS(p2 - p3) <= ql) +
|
||||
(FFABS(p3 - p4) <= ql) +
|
||||
(FFABS(p4 - p5) <= ql);
|
||||
|
||||
// You need at least 1 to be able to reach a total score of 6.
|
||||
if (t > 0) {
|
||||
t += (FFABS(p5 - p6) <= ql) +
|
||||
(FFABS(p6 - p7) <= ql) +
|
||||
(FFABS(p7 - p8) <= ql) +
|
||||
(FFABS(p8 - p9) <= ql) +
|
||||
(FFABS(p0 - p1) <= ql);
|
||||
if (t >= 6) {
|
||||
int min, max;
|
||||
|
||||
min = max = p1;
|
||||
min = FFMIN(min, p3);
|
||||
max = FFMAX(max, p3);
|
||||
min = FFMIN(min, p5);
|
||||
max = FFMAX(max, p5);
|
||||
min = FFMIN(min, p8);
|
||||
max = FFMAX(max, p8);
|
||||
if (max - min < 2 * quant) { // early stop
|
||||
min = FFMIN(min, p2);
|
||||
max = FFMAX(max, p2);
|
||||
min = FFMIN(min, p4);
|
||||
max = FFMAX(max, p4);
|
||||
min = FFMIN(min, p6);
|
||||
max = FFMAX(max, p6);
|
||||
min = FFMIN(min, p7);
|
||||
max = FFMAX(max, p7);
|
||||
if (max - min < 2 * quant) {
|
||||
ptr[-2 * a_stride] = (4 * p2 + 3 * p3 + 1 * p7 + 4) >> 3;
|
||||
ptr[-1 * a_stride] = (3 * p2 + 3 * p4 + 2 * p7 + 4) >> 3;
|
||||
ptr[0] = (2 * p2 + 3 * p5 + 3 * p7 + 4) >> 3;
|
||||
ptr[1 * a_stride] = (1 * p2 + 3 * p6 + 4 * p7 + 4) >> 3;
|
||||
continue;
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
{
|
||||
int x,x0,x1,x2;
|
||||
int x, x0, x1, x2;
|
||||
int m;
|
||||
|
||||
x0 = (2*p3 - 5*p4 + 5*p5 - 2*p6 + 4)>>3;
|
||||
if(FFABS(x0) < quant){
|
||||
x1=(2*p1 - 5*p2 + 5*p3 - 2*p4 + 4)>>3;
|
||||
x2=(2*p5 - 5*p6 + 5*p7 - 2*p8 + 4)>>3;
|
||||
x0 = (2 * p3 - 5 * p4 + 5 * p5 - 2 * p6 + 4) >> 3;
|
||||
if (FFABS(x0) < quant) {
|
||||
x1 = (2 * p1 - 5 * p2 + 5 * p3 - 2 * p4 + 4) >> 3;
|
||||
x2 = (2 * p5 - 5 * p6 + 5 * p7 - 2 * p8 + 4) >> 3;
|
||||
|
||||
x=FFABS(x0) - FFMIN( FFABS(x1), FFABS(x2) );
|
||||
m=p4-p5;
|
||||
x = FFABS(x0) - FFMIN(FFABS(x1), FFABS(x2));
|
||||
m = p4 - p5;
|
||||
|
||||
if( x > 0 && (m^x0) <0){
|
||||
if (x > 0 && (m ^ x0) < 0) {
|
||||
int32_t sign;
|
||||
|
||||
sign=m>>31;
|
||||
m=(m^sign)-sign;//abs(m)
|
||||
m>>=1;
|
||||
sign = m >> 31;
|
||||
m = (m ^ sign) - sign; // abs(m)
|
||||
m >>= 1;
|
||||
|
||||
x=(5*x)>>3;
|
||||
x = (5 * x) >> 3;
|
||||
|
||||
if(x>m) x=m;
|
||||
if (x > m)
|
||||
x = m;
|
||||
|
||||
x=(x^sign)-sign;
|
||||
x = (x ^ sign) - sign;
|
||||
|
||||
ptr[-1*a_stride] -= x;
|
||||
ptr[ 0] += x;
|
||||
ptr[-1 * a_stride] -= x;
|
||||
ptr[0] += x;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void x8_h_loop_filter(uint8_t *src, int stride, int qscale){
|
||||
static void x8_h_loop_filter(uint8_t *src, int stride, int qscale)
|
||||
{
|
||||
x8_loop_filter(src, stride, 1, qscale);
|
||||
}
|
||||
|
||||
static void x8_v_loop_filter(uint8_t *src, int stride, int qscale){
|
||||
static void x8_v_loop_filter(uint8_t *src, int stride, int qscale)
|
||||
{
|
||||
x8_loop_filter(src, 1, stride, qscale);
|
||||
}
|
||||
|
||||
av_cold void ff_intrax8dsp_init(IntraX8DSPContext *dsp)
|
||||
{
|
||||
dsp->h_loop_filter=x8_h_loop_filter;
|
||||
dsp->v_loop_filter=x8_v_loop_filter;
|
||||
dsp->setup_spatial_compensation=x8_setup_spatial_compensation;
|
||||
dsp->spatial_compensation[0]=spatial_compensation_0;
|
||||
dsp->spatial_compensation[1]=spatial_compensation_1;
|
||||
dsp->spatial_compensation[2]=spatial_compensation_2;
|
||||
dsp->spatial_compensation[3]=spatial_compensation_3;
|
||||
dsp->spatial_compensation[4]=spatial_compensation_4;
|
||||
dsp->spatial_compensation[5]=spatial_compensation_5;
|
||||
dsp->spatial_compensation[6]=spatial_compensation_6;
|
||||
dsp->spatial_compensation[7]=spatial_compensation_7;
|
||||
dsp->spatial_compensation[8]=spatial_compensation_8;
|
||||
dsp->spatial_compensation[9]=spatial_compensation_9;
|
||||
dsp->spatial_compensation[10]=spatial_compensation_10;
|
||||
dsp->spatial_compensation[11]=spatial_compensation_11;
|
||||
dsp->h_loop_filter = x8_h_loop_filter;
|
||||
dsp->v_loop_filter = x8_v_loop_filter;
|
||||
dsp->setup_spatial_compensation = x8_setup_spatial_compensation;
|
||||
dsp->spatial_compensation[0] = spatial_compensation_0;
|
||||
dsp->spatial_compensation[1] = spatial_compensation_1;
|
||||
dsp->spatial_compensation[2] = spatial_compensation_2;
|
||||
dsp->spatial_compensation[3] = spatial_compensation_3;
|
||||
dsp->spatial_compensation[4] = spatial_compensation_4;
|
||||
dsp->spatial_compensation[5] = spatial_compensation_5;
|
||||
dsp->spatial_compensation[6] = spatial_compensation_6;
|
||||
dsp->spatial_compensation[7] = spatial_compensation_7;
|
||||
dsp->spatial_compensation[8] = spatial_compensation_8;
|
||||
dsp->spatial_compensation[9] = spatial_compensation_9;
|
||||
dsp->spatial_compensation[10] = spatial_compensation_10;
|
||||
dsp->spatial_compensation[11] = spatial_compensation_11;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -25,9 +25,9 @@ typedef struct IntraX8DSPContext {
|
|||
void (*v_loop_filter)(uint8_t *src, int stride, int qscale);
|
||||
void (*h_loop_filter)(uint8_t *src, int stride, int qscale);
|
||||
|
||||
void (*spatial_compensation[12])(uint8_t *src , uint8_t *dst, int linesize);
|
||||
void (*spatial_compensation[12])(uint8_t *src, uint8_t *dst, int linesize);
|
||||
void (*setup_spatial_compensation)(uint8_t *src, uint8_t *dst, int linesize,
|
||||
int *range, int *sum, int edges);
|
||||
int *range, int *sum, int edges);
|
||||
} IntraX8DSPContext;
|
||||
|
||||
void ff_intrax8dsp_init(IntraX8DSPContext *dsp);
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user