mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-24 11:49:48 +00:00
cleanup
remove ugly and slow vertical scaning code 0.1% bitrate increase (foreman@352x288 qp=1) 0.3% bitrate increase (foreman@352x288 qp=8) Originally committed as revision 3353 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
parent
7848640356
commit
a8d73e56e6
@ -1278,8 +1278,8 @@ static void encode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *pa
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const int w= b->width;
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const int h= b->height;
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int x, y;
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#if 1
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#if 0
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if(orientation==3 && parent && 0){
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int16_t candidate[w*h][2];
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uint8_t state[w*h];
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@ -1401,52 +1401,35 @@ static void encode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *pa
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}
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#endif
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if(1){
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int w, h;
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int run=0;
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int last_run=0;
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int last_v=1;
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int last_x=0;
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int runs[b->width*b->height];
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int runs[w*h];
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int run_index=0;
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if(orientation==1){
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w= b->height;
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h= b->width;
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}else{
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w= b->width;
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h= b->height;
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}
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for(y=0; y<h; y++){
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for(x=0; x<w; x++){
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int v, p=0;
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int /*ll=0, */l=0, lt=0, t=0, rt=0;
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if(orientation==1) v= src[y + x*stride];
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else v= src[x + y*stride];
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v= src[x + y*stride];
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if(y){
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if(orientation==1) t= src[y - 1 + x*stride];
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else t= src[x + (y-1)*stride];
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t= src[x + (y-1)*stride];
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if(x){
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if(orientation==1) lt= src[y - 1 + (x-1)*stride];
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else lt= src[x - 1 + (y-1)*stride];
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lt= src[x - 1 + (y-1)*stride];
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}
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if(x + 1 < w){
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if(orientation==1) rt= src[y - 1 + (x+1)*stride];
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else rt= src[x + 1 + (y-1)*stride];
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rt= src[x + 1 + (y-1)*stride];
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}
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}
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if(x){
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if(orientation==1) l= src[y + (x-1)*stride];
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else l= src[x - 1 + y*stride];
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l= src[x - 1 + y*stride];
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/*if(x > 1){
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if(orientation==1) ll= src[y + (x-2)*stride];
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else ll= src[x - 2 + y*stride];
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}*/
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}
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if(parent){
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int px= (orientation==1 ? y : x)>>1;
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int py= (orientation==1 ? x : y)>>1;
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int px= x>>1;
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int py= y>>1;
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if(px<b->parent->width && py<b->parent->height)
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p= parent[px + py*2*stride];
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}
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@ -1470,32 +1453,27 @@ static void encode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *pa
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for(x=0; x<w; x++){
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int v, p=0;
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int /*ll=0, */l=0, lt=0, t=0, rt=0;
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if(orientation==1) v= src[y + x*stride];
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else v= src[x + y*stride];
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v= src[x + y*stride];
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if(y){
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if(orientation==1) t= src[y - 1 + x*stride];
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else t= src[x + (y-1)*stride];
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t= src[x + (y-1)*stride];
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if(x){
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if(orientation==1) lt= src[y - 1 + (x-1)*stride];
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else lt= src[x - 1 + (y-1)*stride];
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lt= src[x - 1 + (y-1)*stride];
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}
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if(x + 1 < w){
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if(orientation==1) rt= src[y - 1 + (x+1)*stride];
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else rt= src[x + 1 + (y-1)*stride];
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rt= src[x + 1 + (y-1)*stride];
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}
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}
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if(x){
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if(orientation==1) l= src[y + (x-1)*stride];
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else l= src[x - 1 + y*stride];
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l= src[x - 1 + y*stride];
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/*if(x > 1){
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if(orientation==1) ll= src[y + (x-2)*stride];
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else ll= src[x - 2 + y*stride];
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}*/
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}
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if(parent){
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int px= (orientation==1 ? y : x)>>1;
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int py= (orientation==1 ? x : y)>>1;
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int px= x>>1;
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int py= y>>1;
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if(px<b->parent->width && py<b->parent->height)
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p= parent[px + py*2*stride];
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}
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@ -1523,111 +1501,9 @@ static void encode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *pa
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}
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return;
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}
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if(1){
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int w, h;
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int run=0;
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int last_run=0;
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int last_v=1;
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int last_x=0;
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if(orientation==1){
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w= b->height;
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h= b->width;
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}else{
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w= b->width;
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h= b->height;
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}
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for(y=0; y<h; y++){
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for(x=0; x<w; x++){
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int v, p;
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if(orientation==1) v= src[y + x*stride];
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else v= src[x + y*stride];
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if(v){
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int sec=0, pri=0/*, lt=0, rt=0, pri2=0*/;
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if(y){
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if(orientation==1) sec= src[y - 1 + x*stride];
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else sec= src[x + (y-1)*stride];
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/* if(x){
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if(orientation==1) lt= src[y - 1 + (x-1)*stride];
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else lt= src[x - 1 + (y-1)*stride];
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}*/
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}
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/* if (orientation==1 && y + 1 < h && x) rt= src[y + 1 + (x-1)*stride];
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else if (orientation!=1 && x + 1 < w && y) rt= src[x + 1 + (y-1)*stride];*/
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if(x){
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if(orientation==1) pri= src[y + (x-1)*stride];
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else pri= src[x - 1 + y*stride];
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/* if(x > 1){
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if(orientation==1) pri2= src[y + (x-2)*stride];
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else pri2= src[x - 2 + y*stride];
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}*/
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}
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put_symbol(&s->c, b->state[ABS(quant7[last_v&0xFF])], run, 0);
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// context= 3*7 + 3 + quant11[last_v&0xFF] /*+ 7*quant3[(run-1)&0xFF]*/;
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// if(parent && orientation!=1) context += 3*7+7*quant3[parent[(x>>1) + (y>>1)*2*stride]&0xFF];
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// put_symbol(&s->c, b->state[ABS(quant7[pri&0xFF]) + 4*ABS(quant7[sec&0xFF]) + 8], ABS(v)-1, 0);
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put_symbol(&s->c, b->state[quant13[(ABS(pri) + ABS(sec))&0x7F] + 8], ABS(v)-1, 0);
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// context= quant3b[sec&0xFF] + 3*quant3b[pri&0xFF];
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// put_cabac(&s->c, &b->state[7][ABS(context)], (v^context)<0);
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put_cabac(&s->c, &b->state[7][1 + 3 + quant3b[sec&0xFF] + 3*quant3b[pri&0xFF]], v<0);
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last_run=run;
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last_v=v;
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run=0;
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}else{
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run++;
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}
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}
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}
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if(run){
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put_symbol(&s->c, b->state[ABS(quant7[last_v&0xFF])], run, 0);
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}
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return;
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}
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{
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int run=0;
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int mode=1;
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for(y=0; y<h; y++){
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for(x=0; x<w; x++){
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// int context=5*11*11 + 5*11+5;
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int context=3*7 + 3 + 1;
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int v= src[x + y*stride];
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if(mode){
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if(v){
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put_symbol(&s->c, b->state[0], run, 0);
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mode=0;
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run=0;
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}else{
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run++;
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continue;
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}
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}
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if(x /*&& orientation!=1*/) context += quant7[src[x-1 + y*stride ]&0xFF];
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if(y /*&& orientation!=2*/) context += 7*quant7[src[x + y*stride-stride]&0xFF];
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// if(x>1) context += 11*11*quant3 [src[x-2 + y*stride ]&0xFF];
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// if(parent) context += 11*11*quant3[parent[(x>>1) + (y>>1)*2*stride]&0xFF];
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put_symbol(&s->c, b->state[context], v, 1);
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if(v==0){
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mode=1;
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}
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}
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}
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if(mode && run)
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put_symbol(&s->c, b->state[0], run, 0);
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}
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}
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static inline void decode_subbandX(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
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static inline void decode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
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const int level= b->level;
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const int w= b->width;
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const int h= b->height;
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@ -1636,21 +1512,11 @@ static inline void decode_subbandX(SnowContext *s, SubBand *b, DWTELEM *src, DWT
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START_TIMER
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if(1){
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int w,h;
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int run;
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int last_run;
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for(y=0; y<b->height; y++)
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memset(&src[y*stride], 0, b->width*sizeof(DWTELEM));
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if(orientation==1){
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w= b->height;
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h= b->width;
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}else{
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w= b->width;
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h= b->height;
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}
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x=y=0;
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run= get_symbol(&s->c, b->state[1], 0);
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for(y=0; y<h; y++){
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for(x=0; x<w; x++){
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@ -1658,28 +1524,24 @@ static inline void decode_subbandX(SnowContext *s, SubBand *b, DWTELEM *src, DWT
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int /*ll=0, */l=0, lt=0, t=0, rt=0;
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if(y){
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if(orientation==1) t= src[y - 1 + x*stride];
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else t= src[x + (y-1)*stride];
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t= src[x + (y-1)*stride];
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if(x){
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if(orientation==1) lt= src[y - 1 + (x-1)*stride];
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else lt= src[x - 1 + (y-1)*stride];
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lt= src[x - 1 + (y-1)*stride];
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}
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if(x + 1 < w){
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if(orientation==1) rt= src[y - 1 + (x+1)*stride];
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else rt= src[x + 1 + (y-1)*stride];
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rt= src[x + 1 + (y-1)*stride];
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}
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}
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if(x){
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if(orientation==1) l= src[y + (x-1)*stride];
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else l= src[x - 1 + y*stride];
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l= src[x - 1 + y*stride];
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/*if(x > 1){
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if(orientation==1) ll= src[y + (x-2)*stride];
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else ll= src[x - 2 + y*stride];
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}*/
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}
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if(parent){
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int px= (orientation==1 ? y : x)>>1;
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int py= (orientation==1 ? x : y)>>1;
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int px= x>>1;
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int py= y>>1;
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if(px<b->parent->width && py<b->parent->height)
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p= parent[px + py*2*stride];
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}
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@ -1703,8 +1565,7 @@ static inline void decode_subbandX(SnowContext *s, SubBand *b, DWTELEM *src, DWT
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v= get_symbol(&s->c, b->state[context + 2], 0) + 1;
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if(get_cabac(&s->c, &b->state[0][16 + 1 + 3 + quant3b[l&0xFF] + 3*quant3b[t&0xFF]]))
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v= -v;
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if(orientation==1) src[y + x*stride]= v;
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else src[x + y*stride]= v;
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src[x + y*stride]= v;
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}
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}
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}
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@ -1714,81 +1575,6 @@ static inline void decode_subbandX(SnowContext *s, SubBand *b, DWTELEM *src, DWT
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return;
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}
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if(1){
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int w,h;
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int last_run=0;
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int last_v=1;
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for(y=0; y<b->height; y++)
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memset(&src[y*stride], 0, b->width*sizeof(DWTELEM));
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if(orientation==1){
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w= b->height;
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h= b->width;
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}else{
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w= b->width;
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h= b->height;
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}
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x=y=0;
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for(;;){
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int sec=0, pri=0/*, lt=0, rt=0, pri2=0*/;
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last_run= get_symbol(&s->c, b->state[ABS(quant7[last_v&0xFF])], 0);
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// context= 3*7 + 3 + quant7[last_v&0xFF]/* + 7*quant7[(last_run-1)&0xFF]*/;
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x += last_run;
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while(x>=w){
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x-= w;
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if(++y>=h) break;
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/* if(orientation!=1)
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memset(&src[y*stride], 0, w*sizeof(DWTELEM));*/
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}
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if(y>=h) break;
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if(y){
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if(orientation==1) sec= src[y - 1 + x*stride];
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else sec= src[x + (y-1)*stride];
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/* if(x){
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if(orientation==1) lt= src[y - 1 + (x-1)*stride];
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else lt= src[x - 1 + (y-1)*stride];
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}*/
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}
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/* if (orientation==1 && y + 1 < h && x) rt= src[y + 1 + (x-1)*stride];
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else if (orientation!=1 && x + 1 < w && y) rt= src[x + 1 + (y-1)*stride];*/
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if(x){
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if(orientation==1) pri= src[y + (x-1)*stride];
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else pri= src[x - 1 + y*stride];
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/* if(x > 1){
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if(orientation==1) pri2= src[y + (x-2)*stride];
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else pri2= src[x - 2 + y*stride];
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}*/
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}
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last_v= get_symbol(&s->c, b->state[quant13[(ABS(pri) + ABS(sec))&0x7F] + 8], 0) + 1;
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if(get_cabac(&s->c, &b->state[7][1 + 3 + quant3b[sec&0xFF] + 3*quant3b[pri&0xFF]]))
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last_v= -last_v;
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if(orientation==1) src[y + x*stride]= last_v;
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else src[x + y*stride]= last_v;
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if(++x==w){
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x=0;
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if(++y>=h) break;
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/* if(orientation!=1)
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memset(&src[y*stride], 0, w*sizeof(DWTELEM));*/
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}
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}
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if(level+1 == s->spatial_decomposition_count){
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STOP_TIMER("decode_subband")
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}
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return;
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}
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}
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static void decode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
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if(orientation==1) decode_subbandX(s, b, src, parent, stride, 1);
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else decode_subbandX(s, b, src, parent, stride, 0);
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}
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static void reset_contexts(SnowContext *s){
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