734 lines
25 KiB
C
Executable File
734 lines
25 KiB
C
Executable File
/*
|
|
* Copyright (C) 2004 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "libavutil/intmath.h"
|
|
#include "libavutil/log.h"
|
|
#include "libavutil/opt.h"
|
|
#include "avcodec.h"
|
|
#include "me_cmp.h"
|
|
#include "snow_dwt.h"
|
|
#include "internal.h"
|
|
#include "snow.h"
|
|
#include "snowdata.h"
|
|
|
|
#include "rangecoder.h"
|
|
#include "mathops.h"
|
|
#include "h263.h"
|
|
|
|
|
|
void ff_snow_inner_add_yblock(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
|
|
int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
|
|
int y, x;
|
|
IDWTELEM * dst;
|
|
for(y=0; y<b_h; y++){
|
|
//FIXME ugly misuse of obmc_stride
|
|
const uint8_t *obmc1= obmc + y*obmc_stride;
|
|
const uint8_t *obmc2= obmc1+ (obmc_stride>>1);
|
|
const uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1);
|
|
const uint8_t *obmc4= obmc3+ (obmc_stride>>1);
|
|
dst = slice_buffer_get_line(sb, src_y + y);
|
|
for(x=0; x<b_w; x++){
|
|
int v= obmc1[x] * block[3][x + y*src_stride]
|
|
+obmc2[x] * block[2][x + y*src_stride]
|
|
+obmc3[x] * block[1][x + y*src_stride]
|
|
+obmc4[x] * block[0][x + y*src_stride];
|
|
|
|
v <<= 8 - LOG2_OBMC_MAX;
|
|
if(FRAC_BITS != 8){
|
|
v >>= 8 - FRAC_BITS;
|
|
}
|
|
if(add){
|
|
v += dst[x + src_x];
|
|
v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS;
|
|
if(v&(~255)) v= ~(v>>31);
|
|
dst8[x + y*src_stride] = v;
|
|
}else{
|
|
dst[x + src_x] -= v;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int ff_snow_get_buffer(SnowContext *s, AVFrame *frame)
|
|
{
|
|
int ret, i;
|
|
int edges_needed = av_codec_is_encoder(s->avctx->codec);
|
|
|
|
frame->width = s->avctx->width ;
|
|
frame->height = s->avctx->height;
|
|
if (edges_needed) {
|
|
frame->width += 2 * EDGE_WIDTH;
|
|
frame->height += 2 * EDGE_WIDTH;
|
|
}
|
|
if ((ret = ff_get_buffer(s->avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
|
|
return ret;
|
|
if (edges_needed) {
|
|
for (i = 0; frame->data[i]; i++) {
|
|
int offset = (EDGE_WIDTH >> (i ? s->chroma_v_shift : 0)) *
|
|
frame->linesize[i] +
|
|
(EDGE_WIDTH >> (i ? s->chroma_h_shift : 0));
|
|
frame->data[i] += offset;
|
|
}
|
|
frame->width = s->avctx->width;
|
|
frame->height = s->avctx->height;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void ff_snow_reset_contexts(SnowContext *s){ //FIXME better initial contexts
|
|
int plane_index, level, orientation;
|
|
|
|
for(plane_index=0; plane_index<3; plane_index++){
|
|
for(level=0; level<MAX_DECOMPOSITIONS; level++){
|
|
for(orientation=level ? 1:0; orientation<4; orientation++){
|
|
memset(s->plane[plane_index].band[level][orientation].state, MID_STATE, sizeof(s->plane[plane_index].band[level][orientation].state));
|
|
}
|
|
}
|
|
}
|
|
memset(s->header_state, MID_STATE, sizeof(s->header_state));
|
|
memset(s->block_state, MID_STATE, sizeof(s->block_state));
|
|
}
|
|
|
|
int ff_snow_alloc_blocks(SnowContext *s){
|
|
int w= AV_CEIL_RSHIFT(s->avctx->width, LOG2_MB_SIZE);
|
|
int h= AV_CEIL_RSHIFT(s->avctx->height, LOG2_MB_SIZE);
|
|
|
|
s->b_width = w;
|
|
s->b_height= h;
|
|
|
|
av_free(s->block);
|
|
s->block= av_mallocz_array(w * h, sizeof(BlockNode) << (s->block_max_depth*2));
|
|
if (!s->block)
|
|
return AVERROR(ENOMEM);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold void init_qexp(void){
|
|
int i;
|
|
double v=128;
|
|
|
|
for(i=0; i<QROOT; i++){
|
|
ff_qexp[i]= lrintf(v);
|
|
v *= pow(2, 1.0 / QROOT);
|
|
}
|
|
}
|
|
static void mc_block(Plane *p, uint8_t *dst, const uint8_t *src, int stride, int b_w, int b_h, int dx, int dy){
|
|
static const uint8_t weight[64]={
|
|
8,7,6,5,4,3,2,1,
|
|
7,7,0,0,0,0,0,1,
|
|
6,0,6,0,0,0,2,0,
|
|
5,0,0,5,0,3,0,0,
|
|
4,0,0,0,4,0,0,0,
|
|
3,0,0,5,0,3,0,0,
|
|
2,0,6,0,0,0,2,0,
|
|
1,7,0,0,0,0,0,1,
|
|
};
|
|
|
|
static const uint8_t brane[256]={
|
|
0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x11,0x12,0x12,0x12,0x12,0x12,0x12,0x12,
|
|
0x04,0x05,0xcc,0xcc,0xcc,0xcc,0xcc,0x41,0x15,0x16,0xcc,0xcc,0xcc,0xcc,0xcc,0x52,
|
|
0x04,0xcc,0x05,0xcc,0xcc,0xcc,0x41,0xcc,0x15,0xcc,0x16,0xcc,0xcc,0xcc,0x52,0xcc,
|
|
0x04,0xcc,0xcc,0x05,0xcc,0x41,0xcc,0xcc,0x15,0xcc,0xcc,0x16,0xcc,0x52,0xcc,0xcc,
|
|
0x04,0xcc,0xcc,0xcc,0x41,0xcc,0xcc,0xcc,0x15,0xcc,0xcc,0xcc,0x16,0xcc,0xcc,0xcc,
|
|
0x04,0xcc,0xcc,0x41,0xcc,0x05,0xcc,0xcc,0x15,0xcc,0xcc,0x52,0xcc,0x16,0xcc,0xcc,
|
|
0x04,0xcc,0x41,0xcc,0xcc,0xcc,0x05,0xcc,0x15,0xcc,0x52,0xcc,0xcc,0xcc,0x16,0xcc,
|
|
0x04,0x41,0xcc,0xcc,0xcc,0xcc,0xcc,0x05,0x15,0x52,0xcc,0xcc,0xcc,0xcc,0xcc,0x16,
|
|
0x44,0x45,0x45,0x45,0x45,0x45,0x45,0x45,0x55,0x56,0x56,0x56,0x56,0x56,0x56,0x56,
|
|
0x48,0x49,0xcc,0xcc,0xcc,0xcc,0xcc,0x85,0x59,0x5A,0xcc,0xcc,0xcc,0xcc,0xcc,0x96,
|
|
0x48,0xcc,0x49,0xcc,0xcc,0xcc,0x85,0xcc,0x59,0xcc,0x5A,0xcc,0xcc,0xcc,0x96,0xcc,
|
|
0x48,0xcc,0xcc,0x49,0xcc,0x85,0xcc,0xcc,0x59,0xcc,0xcc,0x5A,0xcc,0x96,0xcc,0xcc,
|
|
0x48,0xcc,0xcc,0xcc,0x49,0xcc,0xcc,0xcc,0x59,0xcc,0xcc,0xcc,0x96,0xcc,0xcc,0xcc,
|
|
0x48,0xcc,0xcc,0x85,0xcc,0x49,0xcc,0xcc,0x59,0xcc,0xcc,0x96,0xcc,0x5A,0xcc,0xcc,
|
|
0x48,0xcc,0x85,0xcc,0xcc,0xcc,0x49,0xcc,0x59,0xcc,0x96,0xcc,0xcc,0xcc,0x5A,0xcc,
|
|
0x48,0x85,0xcc,0xcc,0xcc,0xcc,0xcc,0x49,0x59,0x96,0xcc,0xcc,0xcc,0xcc,0xcc,0x5A,
|
|
};
|
|
|
|
static const uint8_t needs[16]={
|
|
0,1,0,0,
|
|
2,4,2,0,
|
|
0,1,0,0,
|
|
15
|
|
};
|
|
|
|
int x, y, b, r, l;
|
|
int16_t tmpIt [64*(32+HTAPS_MAX)];
|
|
uint8_t tmp2t[3][64*(32+HTAPS_MAX)];
|
|
int16_t *tmpI= tmpIt;
|
|
uint8_t *tmp2= tmp2t[0];
|
|
const uint8_t *hpel[11];
|
|
av_assert2(dx<16 && dy<16);
|
|
r= brane[dx + 16*dy]&15;
|
|
l= brane[dx + 16*dy]>>4;
|
|
|
|
b= needs[l] | needs[r];
|
|
if(p && !p->diag_mc)
|
|
b= 15;
|
|
|
|
if(b&5){
|
|
for(y=0; y < b_h+HTAPS_MAX-1; y++){
|
|
for(x=0; x < b_w; x++){
|
|
int a_1=src[x + HTAPS_MAX/2-4];
|
|
int a0= src[x + HTAPS_MAX/2-3];
|
|
int a1= src[x + HTAPS_MAX/2-2];
|
|
int a2= src[x + HTAPS_MAX/2-1];
|
|
int a3= src[x + HTAPS_MAX/2+0];
|
|
int a4= src[x + HTAPS_MAX/2+1];
|
|
int a5= src[x + HTAPS_MAX/2+2];
|
|
int a6= src[x + HTAPS_MAX/2+3];
|
|
int am=0;
|
|
if(!p || p->fast_mc){
|
|
am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
|
|
tmpI[x]= am;
|
|
am= (am+16)>>5;
|
|
}else{
|
|
am= p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6);
|
|
tmpI[x]= am;
|
|
am= (am+32)>>6;
|
|
}
|
|
|
|
if(am&(~255)) am= ~(am>>31);
|
|
tmp2[x]= am;
|
|
}
|
|
tmpI+= 64;
|
|
tmp2+= 64;
|
|
src += stride;
|
|
}
|
|
src -= stride*y;
|
|
}
|
|
src += HTAPS_MAX/2 - 1;
|
|
tmp2= tmp2t[1];
|
|
|
|
if(b&2){
|
|
for(y=0; y < b_h; y++){
|
|
for(x=0; x < b_w+1; x++){
|
|
int a_1=src[x + (HTAPS_MAX/2-4)*stride];
|
|
int a0= src[x + (HTAPS_MAX/2-3)*stride];
|
|
int a1= src[x + (HTAPS_MAX/2-2)*stride];
|
|
int a2= src[x + (HTAPS_MAX/2-1)*stride];
|
|
int a3= src[x + (HTAPS_MAX/2+0)*stride];
|
|
int a4= src[x + (HTAPS_MAX/2+1)*stride];
|
|
int a5= src[x + (HTAPS_MAX/2+2)*stride];
|
|
int a6= src[x + (HTAPS_MAX/2+3)*stride];
|
|
int am=0;
|
|
if(!p || p->fast_mc)
|
|
am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 16)>>5;
|
|
else
|
|
am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 32)>>6;
|
|
|
|
if(am&(~255)) am= ~(am>>31);
|
|
tmp2[x]= am;
|
|
}
|
|
src += stride;
|
|
tmp2+= 64;
|
|
}
|
|
src -= stride*y;
|
|
}
|
|
src += stride*(HTAPS_MAX/2 - 1);
|
|
tmp2= tmp2t[2];
|
|
tmpI= tmpIt;
|
|
if(b&4){
|
|
for(y=0; y < b_h; y++){
|
|
for(x=0; x < b_w; x++){
|
|
int a_1=tmpI[x + (HTAPS_MAX/2-4)*64];
|
|
int a0= tmpI[x + (HTAPS_MAX/2-3)*64];
|
|
int a1= tmpI[x + (HTAPS_MAX/2-2)*64];
|
|
int a2= tmpI[x + (HTAPS_MAX/2-1)*64];
|
|
int a3= tmpI[x + (HTAPS_MAX/2+0)*64];
|
|
int a4= tmpI[x + (HTAPS_MAX/2+1)*64];
|
|
int a5= tmpI[x + (HTAPS_MAX/2+2)*64];
|
|
int a6= tmpI[x + (HTAPS_MAX/2+3)*64];
|
|
int am=0;
|
|
if(!p || p->fast_mc)
|
|
am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 512)>>10;
|
|
else
|
|
am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 2048)>>12;
|
|
if(am&(~255)) am= ~(am>>31);
|
|
tmp2[x]= am;
|
|
}
|
|
tmpI+= 64;
|
|
tmp2+= 64;
|
|
}
|
|
}
|
|
|
|
hpel[ 0]= src;
|
|
hpel[ 1]= tmp2t[0] + 64*(HTAPS_MAX/2-1);
|
|
hpel[ 2]= src + 1;
|
|
|
|
hpel[ 4]= tmp2t[1];
|
|
hpel[ 5]= tmp2t[2];
|
|
hpel[ 6]= tmp2t[1] + 1;
|
|
|
|
hpel[ 8]= src + stride;
|
|
hpel[ 9]= hpel[1] + 64;
|
|
hpel[10]= hpel[8] + 1;
|
|
|
|
#define MC_STRIDE(x) (needs[x] ? 64 : stride)
|
|
|
|
if(b==15){
|
|
int dxy = dx / 8 + dy / 8 * 4;
|
|
const uint8_t *src1 = hpel[dxy ];
|
|
const uint8_t *src2 = hpel[dxy + 1];
|
|
const uint8_t *src3 = hpel[dxy + 4];
|
|
const uint8_t *src4 = hpel[dxy + 5];
|
|
int stride1 = MC_STRIDE(dxy);
|
|
int stride2 = MC_STRIDE(dxy + 1);
|
|
int stride3 = MC_STRIDE(dxy + 4);
|
|
int stride4 = MC_STRIDE(dxy + 5);
|
|
dx&=7;
|
|
dy&=7;
|
|
for(y=0; y < b_h; y++){
|
|
for(x=0; x < b_w; x++){
|
|
dst[x]= ((8-dx)*(8-dy)*src1[x] + dx*(8-dy)*src2[x]+
|
|
(8-dx)* dy *src3[x] + dx* dy *src4[x]+32)>>6;
|
|
}
|
|
src1+=stride1;
|
|
src2+=stride2;
|
|
src3+=stride3;
|
|
src4+=stride4;
|
|
dst +=stride;
|
|
}
|
|
}else{
|
|
const uint8_t *src1= hpel[l];
|
|
const uint8_t *src2= hpel[r];
|
|
int stride1 = MC_STRIDE(l);
|
|
int stride2 = MC_STRIDE(r);
|
|
int a= weight[((dx&7) + (8*(dy&7)))];
|
|
int b= 8-a;
|
|
for(y=0; y < b_h; y++){
|
|
for(x=0; x < b_w; x++){
|
|
dst[x]= (a*src1[x] + b*src2[x] + 4)>>3;
|
|
}
|
|
src1+=stride1;
|
|
src2+=stride2;
|
|
dst +=stride;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ff_snow_pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, ptrdiff_t stride, int sx, int sy, int b_w, int b_h, const BlockNode *block, int plane_index, int w, int h){
|
|
if(block->type & BLOCK_INTRA){
|
|
int x, y;
|
|
const unsigned color = block->color[plane_index];
|
|
const unsigned color4 = color*0x01010101;
|
|
if(b_w==32){
|
|
for(y=0; y < b_h; y++){
|
|
*(uint32_t*)&dst[0 + y*stride]= color4;
|
|
*(uint32_t*)&dst[4 + y*stride]= color4;
|
|
*(uint32_t*)&dst[8 + y*stride]= color4;
|
|
*(uint32_t*)&dst[12+ y*stride]= color4;
|
|
*(uint32_t*)&dst[16+ y*stride]= color4;
|
|
*(uint32_t*)&dst[20+ y*stride]= color4;
|
|
*(uint32_t*)&dst[24+ y*stride]= color4;
|
|
*(uint32_t*)&dst[28+ y*stride]= color4;
|
|
}
|
|
}else if(b_w==16){
|
|
for(y=0; y < b_h; y++){
|
|
*(uint32_t*)&dst[0 + y*stride]= color4;
|
|
*(uint32_t*)&dst[4 + y*stride]= color4;
|
|
*(uint32_t*)&dst[8 + y*stride]= color4;
|
|
*(uint32_t*)&dst[12+ y*stride]= color4;
|
|
}
|
|
}else if(b_w==8){
|
|
for(y=0; y < b_h; y++){
|
|
*(uint32_t*)&dst[0 + y*stride]= color4;
|
|
*(uint32_t*)&dst[4 + y*stride]= color4;
|
|
}
|
|
}else if(b_w==4){
|
|
for(y=0; y < b_h; y++){
|
|
*(uint32_t*)&dst[0 + y*stride]= color4;
|
|
}
|
|
}else{
|
|
for(y=0; y < b_h; y++){
|
|
for(x=0; x < b_w; x++){
|
|
dst[x + y*stride]= color;
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
uint8_t *src= s->last_picture[block->ref]->data[plane_index];
|
|
const int scale= plane_index ? (2*s->mv_scale)>>s->chroma_h_shift : 2*s->mv_scale;
|
|
int mx= block->mx*scale;
|
|
int my= block->my*scale;
|
|
const int dx= mx&15;
|
|
const int dy= my&15;
|
|
const int tab_index= 3 - (b_w>>2) + (b_w>>4);
|
|
sx += (mx>>4) - (HTAPS_MAX/2-1);
|
|
sy += (my>>4) - (HTAPS_MAX/2-1);
|
|
src += sx + sy*stride;
|
|
if( (unsigned)sx >= FFMAX(w - b_w - (HTAPS_MAX-2), 0)
|
|
|| (unsigned)sy >= FFMAX(h - b_h - (HTAPS_MAX-2), 0)){
|
|
s->vdsp.emulated_edge_mc(tmp + MB_SIZE, src,
|
|
stride, stride,
|
|
b_w+HTAPS_MAX-1, b_h+HTAPS_MAX-1,
|
|
sx, sy, w, h);
|
|
src= tmp + MB_SIZE;
|
|
}
|
|
|
|
av_assert2(s->chroma_h_shift == s->chroma_v_shift); // only one mv_scale
|
|
|
|
av_assert2((tab_index>=0 && tab_index<4) || b_w==32);
|
|
if( (dx&3) || (dy&3)
|
|
|| !(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h)
|
|
|| (b_w&(b_w-1))
|
|
|| b_w == 1
|
|
|| b_h == 1
|
|
|| !s->plane[plane_index].fast_mc )
|
|
mc_block(&s->plane[plane_index], dst, src, stride, b_w, b_h, dx, dy);
|
|
else if(b_w==32){
|
|
int y;
|
|
for(y=0; y<b_h; y+=16){
|
|
s->h264qpel.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + y*stride, src + 3 + (y+3)*stride,stride);
|
|
s->h264qpel.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + 16 + y*stride, src + 19 + (y+3)*stride,stride);
|
|
}
|
|
}else if(b_w==b_h)
|
|
s->h264qpel.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst,src + 3 + 3*stride,stride);
|
|
else if(b_w==2*b_h){
|
|
s->h264qpel.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst ,src + 3 + 3*stride,stride);
|
|
s->h264qpel.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst+b_h,src + 3 + b_h + 3*stride,stride);
|
|
}else{
|
|
av_assert2(2*b_w==b_h);
|
|
s->h264qpel.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst ,src + 3 + 3*stride ,stride);
|
|
s->h264qpel.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst+b_w*stride,src + 3 + 3*stride+b_w*stride,stride);
|
|
}
|
|
}
|
|
}
|
|
|
|
#define mca(dx,dy,b_w)\
|
|
static void mc_block_hpel ## dx ## dy ## b_w(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h){\
|
|
av_assert2(h==b_w);\
|
|
mc_block(NULL, dst, src-(HTAPS_MAX/2-1)-(HTAPS_MAX/2-1)*stride, stride, b_w, b_w, dx, dy);\
|
|
}
|
|
|
|
mca( 0, 0,16)
|
|
mca( 8, 0,16)
|
|
mca( 0, 8,16)
|
|
mca( 8, 8,16)
|
|
mca( 0, 0,8)
|
|
mca( 8, 0,8)
|
|
mca( 0, 8,8)
|
|
mca( 8, 8,8)
|
|
|
|
av_cold int ff_snow_common_init(AVCodecContext *avctx){
|
|
SnowContext *s = avctx->priv_data;
|
|
int width, height;
|
|
int i, j;
|
|
|
|
s->avctx= avctx;
|
|
s->max_ref_frames=1; //just make sure it's not an invalid value in case of no initial keyframe
|
|
s->spatial_decomposition_count = 1;
|
|
|
|
ff_me_cmp_init(&s->mecc, avctx);
|
|
ff_hpeldsp_init(&s->hdsp, avctx->flags);
|
|
ff_videodsp_init(&s->vdsp, 8);
|
|
ff_dwt_init(&s->dwt);
|
|
ff_h264qpel_init(&s->h264qpel, 8);
|
|
|
|
#define mcf(dx,dy)\
|
|
s->qdsp.put_qpel_pixels_tab [0][dy+dx/4]=\
|
|
s->qdsp.put_no_rnd_qpel_pixels_tab[0][dy+dx/4]=\
|
|
s->h264qpel.put_h264_qpel_pixels_tab[0][dy+dx/4];\
|
|
s->qdsp.put_qpel_pixels_tab [1][dy+dx/4]=\
|
|
s->qdsp.put_no_rnd_qpel_pixels_tab[1][dy+dx/4]=\
|
|
s->h264qpel.put_h264_qpel_pixels_tab[1][dy+dx/4];
|
|
|
|
mcf( 0, 0)
|
|
mcf( 4, 0)
|
|
mcf( 8, 0)
|
|
mcf(12, 0)
|
|
mcf( 0, 4)
|
|
mcf( 4, 4)
|
|
mcf( 8, 4)
|
|
mcf(12, 4)
|
|
mcf( 0, 8)
|
|
mcf( 4, 8)
|
|
mcf( 8, 8)
|
|
mcf(12, 8)
|
|
mcf( 0,12)
|
|
mcf( 4,12)
|
|
mcf( 8,12)
|
|
mcf(12,12)
|
|
|
|
#define mcfh(dx,dy)\
|
|
s->hdsp.put_pixels_tab [0][dy/4+dx/8]=\
|
|
s->hdsp.put_no_rnd_pixels_tab[0][dy/4+dx/8]=\
|
|
mc_block_hpel ## dx ## dy ## 16;\
|
|
s->hdsp.put_pixels_tab [1][dy/4+dx/8]=\
|
|
s->hdsp.put_no_rnd_pixels_tab[1][dy/4+dx/8]=\
|
|
mc_block_hpel ## dx ## dy ## 8;
|
|
|
|
mcfh(0, 0)
|
|
mcfh(8, 0)
|
|
mcfh(0, 8)
|
|
mcfh(8, 8)
|
|
|
|
init_qexp();
|
|
|
|
// dec += FFMAX(s->chroma_h_shift, s->chroma_v_shift);
|
|
|
|
width= s->avctx->width;
|
|
height= s->avctx->height;
|
|
|
|
FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->spatial_idwt_buffer, width, height * sizeof(IDWTELEM), fail);
|
|
FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->spatial_dwt_buffer, width, height * sizeof(DWTELEM), fail); //FIXME this does not belong here
|
|
FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->temp_dwt_buffer, width, sizeof(DWTELEM), fail);
|
|
FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->temp_idwt_buffer, width, sizeof(IDWTELEM), fail);
|
|
FF_ALLOC_ARRAY_OR_GOTO(avctx, s->run_buffer, ((width + 1) >> 1), ((height + 1) >> 1) * sizeof(*s->run_buffer), fail);
|
|
|
|
for(i=0; i<MAX_REF_FRAMES; i++) {
|
|
for(j=0; j<MAX_REF_FRAMES; j++)
|
|
ff_scale_mv_ref[i][j] = 256*(i+1)/(j+1);
|
|
s->last_picture[i] = av_frame_alloc();
|
|
if (!s->last_picture[i])
|
|
goto fail;
|
|
}
|
|
|
|
s->mconly_picture = av_frame_alloc();
|
|
s->current_picture = av_frame_alloc();
|
|
if (!s->mconly_picture || !s->current_picture)
|
|
goto fail;
|
|
|
|
return 0;
|
|
fail:
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
int ff_snow_common_init_after_header(AVCodecContext *avctx) {
|
|
SnowContext *s = avctx->priv_data;
|
|
int plane_index, level, orientation;
|
|
int ret, emu_buf_size;
|
|
|
|
if(!s->scratchbuf) {
|
|
if ((ret = ff_get_buffer(s->avctx, s->mconly_picture,
|
|
AV_GET_BUFFER_FLAG_REF)) < 0)
|
|
return ret;
|
|
FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->scratchbuf, FFMAX(s->mconly_picture->linesize[0], 2*avctx->width+256), 7*MB_SIZE, fail);
|
|
emu_buf_size = FFMAX(s->mconly_picture->linesize[0], 2*avctx->width+256) * (2 * MB_SIZE + HTAPS_MAX - 1);
|
|
FF_ALLOC_OR_GOTO(avctx, s->emu_edge_buffer, emu_buf_size, fail);
|
|
}
|
|
|
|
if(s->mconly_picture->format != avctx->pix_fmt) {
|
|
av_log(avctx, AV_LOG_ERROR, "pixel format changed\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
for(plane_index=0; plane_index < s->nb_planes; plane_index++){
|
|
int w= s->avctx->width;
|
|
int h= s->avctx->height;
|
|
|
|
if(plane_index){
|
|
w = AV_CEIL_RSHIFT(w, s->chroma_h_shift);
|
|
h = AV_CEIL_RSHIFT(h, s->chroma_v_shift);
|
|
}
|
|
s->plane[plane_index].width = w;
|
|
s->plane[plane_index].height= h;
|
|
|
|
for(level=s->spatial_decomposition_count-1; level>=0; level--){
|
|
for(orientation=level ? 1 : 0; orientation<4; orientation++){
|
|
SubBand *b= &s->plane[plane_index].band[level][orientation];
|
|
|
|
b->buf= s->spatial_dwt_buffer;
|
|
b->level= level;
|
|
b->stride= s->plane[plane_index].width << (s->spatial_decomposition_count - level);
|
|
b->width = (w + !(orientation&1))>>1;
|
|
b->height= (h + !(orientation>1))>>1;
|
|
|
|
b->stride_line = 1 << (s->spatial_decomposition_count - level);
|
|
b->buf_x_offset = 0;
|
|
b->buf_y_offset = 0;
|
|
|
|
if(orientation&1){
|
|
b->buf += (w+1)>>1;
|
|
b->buf_x_offset = (w+1)>>1;
|
|
}
|
|
if(orientation>1){
|
|
b->buf += b->stride>>1;
|
|
b->buf_y_offset = b->stride_line >> 1;
|
|
}
|
|
b->ibuf= s->spatial_idwt_buffer + (b->buf - s->spatial_dwt_buffer);
|
|
|
|
if(level)
|
|
b->parent= &s->plane[plane_index].band[level-1][orientation];
|
|
//FIXME avoid this realloc
|
|
av_freep(&b->x_coeff);
|
|
b->x_coeff=av_mallocz_array(((b->width+1) * b->height+1), sizeof(x_and_coeff));
|
|
if (!b->x_coeff)
|
|
goto fail;
|
|
}
|
|
w= (w+1)>>1;
|
|
h= (h+1)>>1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
fail:
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
#define USE_HALFPEL_PLANE 0
|
|
|
|
static int halfpel_interpol(SnowContext *s, uint8_t *halfpel[4][4], AVFrame *frame){
|
|
int p,x,y;
|
|
|
|
for(p=0; p < s->nb_planes; p++){
|
|
int is_chroma= !!p;
|
|
int w= is_chroma ? AV_CEIL_RSHIFT(s->avctx->width, s->chroma_h_shift) : s->avctx->width;
|
|
int h= is_chroma ? AV_CEIL_RSHIFT(s->avctx->height, s->chroma_v_shift) : s->avctx->height;
|
|
int ls= frame->linesize[p];
|
|
uint8_t *src= frame->data[p];
|
|
|
|
halfpel[1][p] = av_malloc_array(ls, (h + 2 * EDGE_WIDTH));
|
|
halfpel[2][p] = av_malloc_array(ls, (h + 2 * EDGE_WIDTH));
|
|
halfpel[3][p] = av_malloc_array(ls, (h + 2 * EDGE_WIDTH));
|
|
if (!halfpel[1][p] || !halfpel[2][p] || !halfpel[3][p]) {
|
|
av_freep(&halfpel[1][p]);
|
|
av_freep(&halfpel[2][p]);
|
|
av_freep(&halfpel[3][p]);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
halfpel[1][p] += EDGE_WIDTH * (1 + ls);
|
|
halfpel[2][p] += EDGE_WIDTH * (1 + ls);
|
|
halfpel[3][p] += EDGE_WIDTH * (1 + ls);
|
|
|
|
halfpel[0][p]= src;
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
int i= y*ls + x;
|
|
|
|
halfpel[1][p][i]= (20*(src[i] + src[i+1]) - 5*(src[i-1] + src[i+2]) + (src[i-2] + src[i+3]) + 16 )>>5;
|
|
}
|
|
}
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
int i= y*ls + x;
|
|
|
|
halfpel[2][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5;
|
|
}
|
|
}
|
|
src= halfpel[1][p];
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
int i= y*ls + x;
|
|
|
|
halfpel[3][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5;
|
|
}
|
|
}
|
|
|
|
//FIXME border!
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void ff_snow_release_buffer(AVCodecContext *avctx)
|
|
{
|
|
SnowContext *s = avctx->priv_data;
|
|
int i;
|
|
|
|
if(s->last_picture[s->max_ref_frames-1]->data[0]){
|
|
av_frame_unref(s->last_picture[s->max_ref_frames-1]);
|
|
for(i=0; i<9; i++)
|
|
if(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3]) {
|
|
av_free(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3] - EDGE_WIDTH*(1+s->current_picture->linesize[i%3]));
|
|
s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3] = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
int ff_snow_frame_start(SnowContext *s){
|
|
AVFrame *tmp;
|
|
int i, ret;
|
|
|
|
ff_snow_release_buffer(s->avctx);
|
|
|
|
tmp= s->last_picture[s->max_ref_frames-1];
|
|
for(i=s->max_ref_frames-1; i>0; i--)
|
|
s->last_picture[i] = s->last_picture[i-1];
|
|
memmove(s->halfpel_plane+1, s->halfpel_plane, (s->max_ref_frames-1)*sizeof(void*)*4*4);
|
|
if(USE_HALFPEL_PLANE && s->current_picture->data[0]) {
|
|
if((ret = halfpel_interpol(s, s->halfpel_plane[0], s->current_picture)) < 0)
|
|
return ret;
|
|
}
|
|
s->last_picture[0] = s->current_picture;
|
|
s->current_picture = tmp;
|
|
|
|
if(s->keyframe){
|
|
s->ref_frames= 0;
|
|
}else{
|
|
int i;
|
|
for(i=0; i<s->max_ref_frames && s->last_picture[i]->data[0]; i++)
|
|
if(i && s->last_picture[i-1]->key_frame)
|
|
break;
|
|
s->ref_frames= i;
|
|
if(s->ref_frames==0){
|
|
av_log(s->avctx,AV_LOG_ERROR, "No reference frames\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
}
|
|
if ((ret = ff_snow_get_buffer(s, s->current_picture)) < 0)
|
|
return ret;
|
|
|
|
s->current_picture->key_frame= s->keyframe;
|
|
|
|
return 0;
|
|
}
|
|
|
|
av_cold void ff_snow_common_end(SnowContext *s)
|
|
{
|
|
int plane_index, level, orientation, i;
|
|
|
|
av_freep(&s->spatial_dwt_buffer);
|
|
av_freep(&s->temp_dwt_buffer);
|
|
av_freep(&s->spatial_idwt_buffer);
|
|
av_freep(&s->temp_idwt_buffer);
|
|
av_freep(&s->run_buffer);
|
|
|
|
s->m.me.temp= NULL;
|
|
av_freep(&s->m.me.scratchpad);
|
|
av_freep(&s->m.me.map);
|
|
av_freep(&s->m.me.score_map);
|
|
av_freep(&s->m.sc.obmc_scratchpad);
|
|
|
|
av_freep(&s->block);
|
|
av_freep(&s->scratchbuf);
|
|
av_freep(&s->emu_edge_buffer);
|
|
|
|
for(i=0; i<MAX_REF_FRAMES; i++){
|
|
av_freep(&s->ref_mvs[i]);
|
|
av_freep(&s->ref_scores[i]);
|
|
if(s->last_picture[i] && s->last_picture[i]->data[0]) {
|
|
av_assert0(s->last_picture[i]->data[0] != s->current_picture->data[0]);
|
|
}
|
|
av_frame_free(&s->last_picture[i]);
|
|
}
|
|
|
|
for(plane_index=0; plane_index < MAX_PLANES; plane_index++){
|
|
for(level=MAX_DECOMPOSITIONS-1; level>=0; level--){
|
|
for(orientation=level ? 1 : 0; orientation<4; orientation++){
|
|
SubBand *b= &s->plane[plane_index].band[level][orientation];
|
|
|
|
av_freep(&b->x_coeff);
|
|
}
|
|
}
|
|
}
|
|
av_frame_free(&s->mconly_picture);
|
|
av_frame_free(&s->current_picture);
|
|
}
|