/*
* Error resilience / concealment
*
- * Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
- * This library is free software; you can redistribute it and/or
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
+
/**
- * @file error_resilience.c
+ * @file libavcodec/error_resilience.c
* Error resilience / concealment.
*/
#include <limits.h>
-
+
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
-#include "common.h"
static void decode_mb(MpegEncContext *s){
s->dest[0] = s->current_picture.data[0] + (s->mb_y * 16* s->linesize ) + s->mb_x * 16;
s->dest[1] = s->current_picture.data[1] + (s->mb_y * 8 * s->uvlinesize) + s->mb_x * 8;
s->dest[2] = s->current_picture.data[2] + (s->mb_y * 8 * s->uvlinesize) + s->mb_x * 8;
- MPV_decode_mb(s, s->block);
+ MPV_decode_mb(s, s->block);
}
/**
{
int dc, dcu, dcv, y, i;
for(i=0; i<4; i++){
- dc= s->dc_val[0][mb_x*2+1 + (i&1) + (mb_y*2+1 + (i>>1))*(s->mb_width*2+2)];
+ dc= s->dc_val[0][mb_x*2 + (i&1) + (mb_y*2 + (i>>1))*s->b8_stride];
if(dc<0) dc=0;
else if(dc>2040) dc=2040;
for(y=0; y<8; y++){
}
}
}
- dcu = s->dc_val[1][mb_x+1 + (mb_y+1)*(s->mb_width+2)];
- dcv = s->dc_val[2][mb_x+1 + (mb_y+1)*(s->mb_width+2)];
+ dcu = s->dc_val[1][mb_x + mb_y*s->mb_stride];
+ dcv = s->dc_val[2][mb_x + mb_y*s->mb_stride];
if (dcu<0 ) dcu=0;
else if(dcu>2040) dcu=2040;
if (dcv<0 ) dcv=0;
for(x=1; x<width-1; x++){
int dc;
-
- dc= - prev_dc
+
+ dc= - prev_dc
+ data[x + y*stride]*8
- data[x + 1 + y*stride];
dc= (dc*10923 + 32768)>>16;
data[x + y*stride]= dc;
}
}
-
+
/* vertical filter */
for(x=1; x<width-1; x++){
int prev_dc= data[x];
for(y=1; y<height-1; y++){
int dc;
-
- dc= - prev_dc
+
+ dc= - prev_dc
+ data[x + y *stride]*8
- data[x + (y+1)*stride];
dc= (dc*10923 + 32768)>>16;
}
/**
- * guess the dc of blocks which dont have a undamaged dc
- * @param w width in 8 pixel blocks
- * @param h height in 8 pixel blocks
+ * guess the dc of blocks which do not have an undamaged dc
+ * @param w width in 8 pixel blocks
+ * @param h height in 8 pixel blocks
*/
static void guess_dc(MpegEncContext *s, int16_t *dc, int w, int h, int stride, int is_luma){
int b_x, b_y;
int distance[4]={9999,9999,9999,9999};
int mb_index, error, j;
int64_t guess, weight_sum;
-
+
mb_index= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride;
-
+
error= s->error_status_table[mb_index];
-
+
if(IS_INTER(s->current_picture.mb_type[mb_index])) continue; //inter
if(!(error&DC_ERROR)) continue; //dc-ok
-
+
/* right block */
for(j=b_x+1; j<w; j++){
int mb_index_j= (j>>is_luma) + (b_y>>is_luma)*s->mb_stride;
break;
}
}
-
+
/* left block */
for(j=b_x-1; j>=0; j--){
int mb_index_j= (j>>is_luma) + (b_y>>is_luma)*s->mb_stride;
break;
}
}
-
+
weight_sum=0;
guess=0;
for(j=0; j<4; j++){
/**
* simple horizontal deblocking filter used for error resilience
- * @param w width in 8 pixel blocks
- * @param h height in 8 pixel blocks
+ * @param w width in 8 pixel blocks
+ * @param h height in 8 pixel blocks
*/
static void h_block_filter(MpegEncContext *s, uint8_t *dst, int w, int h, int stride, int is_luma){
int b_x, b_y;
- uint8_t *cm = cropTbl + MAX_NEG_CROP;
+ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
for(b_y=0; b_y<h; b_y++){
for(b_x=0; b_x<w-1; b_x++){
int left_damage = left_status&(DC_ERROR|AC_ERROR|MV_ERROR);
int right_damage= right_status&(DC_ERROR|AC_ERROR|MV_ERROR);
int offset= b_x*8 + b_y*stride*8;
- int16_t *left_mv= s->current_picture.motion_val[0][s->block_wrap[0]*((b_y<<(1-is_luma)) + 1) + ( b_x <<(1-is_luma))];
- int16_t *right_mv= s->current_picture.motion_val[0][s->block_wrap[0]*((b_y<<(1-is_luma)) + 1) + ((b_x+1)<<(1-is_luma))];
-
+ int16_t *left_mv= s->current_picture.motion_val[0][s->b8_stride*(b_y<<(1-is_luma)) + ( b_x <<(1-is_luma))];
+ int16_t *right_mv= s->current_picture.motion_val[0][s->b8_stride*(b_y<<(1-is_luma)) + ((b_x+1)<<(1-is_luma))];
+
if(!(left_damage||right_damage)) continue; // both undamaged
-
- if( (!left_intra) && (!right_intra)
- && ABS(left_mv[0]-right_mv[0]) + ABS(left_mv[1]+right_mv[1]) < 2) continue;
-
+
+ if( (!left_intra) && (!right_intra)
+ && FFABS(left_mv[0]-right_mv[0]) + FFABS(left_mv[1]+right_mv[1]) < 2) continue;
+
for(y=0; y<8; y++){
int a,b,c,d;
-
+
a= dst[offset + 7 + y*stride] - dst[offset + 6 + y*stride];
b= dst[offset + 8 + y*stride] - dst[offset + 7 + y*stride];
c= dst[offset + 9 + y*stride] - dst[offset + 8 + y*stride];
-
- d= ABS(b) - ((ABS(a) + ABS(c) + 1)>>1);
+
+ d= FFABS(b) - ((FFABS(a) + FFABS(c) + 1)>>1);
d= FFMAX(d, 0);
if(b<0) d= -d;
-
+
if(d==0) continue;
if(!(left_damage && right_damage))
d= d*16/9;
-
+
if(left_damage){
dst[offset + 7 + y*stride] = cm[dst[offset + 7 + y*stride] + ((d*7)>>4)];
dst[offset + 6 + y*stride] = cm[dst[offset + 6 + y*stride] + ((d*5)>>4)];
/**
* simple vertical deblocking filter used for error resilience
- * @param w width in 8 pixel blocks
- * @param h height in 8 pixel blocks
+ * @param w width in 8 pixel blocks
+ * @param h height in 8 pixel blocks
*/
static void v_block_filter(MpegEncContext *s, uint8_t *dst, int w, int h, int stride, int is_luma){
int b_x, b_y;
- uint8_t *cm = cropTbl + MAX_NEG_CROP;
+ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
for(b_y=0; b_y<h-1; b_y++){
for(b_x=0; b_x<w; b_x++){
int top_damage = top_status&(DC_ERROR|AC_ERROR|MV_ERROR);
int bottom_damage= bottom_status&(DC_ERROR|AC_ERROR|MV_ERROR);
int offset= b_x*8 + b_y*stride*8;
- int16_t *top_mv= s->current_picture.motion_val[0][s->block_wrap[0]*(( b_y <<(1-is_luma)) + 1) + (b_x<<(1-is_luma))];
- int16_t *bottom_mv= s->current_picture.motion_val[0][s->block_wrap[0]*(((b_y+1)<<(1-is_luma)) + 1) + (b_x<<(1-is_luma))];
-
+ int16_t *top_mv= s->current_picture.motion_val[0][s->b8_stride*( b_y <<(1-is_luma)) + (b_x<<(1-is_luma))];
+ int16_t *bottom_mv= s->current_picture.motion_val[0][s->b8_stride*((b_y+1)<<(1-is_luma)) + (b_x<<(1-is_luma))];
+
if(!(top_damage||bottom_damage)) continue; // both undamaged
-
- if( (!top_intra) && (!bottom_intra)
- && ABS(top_mv[0]-bottom_mv[0]) + ABS(top_mv[1]+bottom_mv[1]) < 2) continue;
-
+
+ if( (!top_intra) && (!bottom_intra)
+ && FFABS(top_mv[0]-bottom_mv[0]) + FFABS(top_mv[1]+bottom_mv[1]) < 2) continue;
+
for(x=0; x<8; x++){
int a,b,c,d;
-
+
a= dst[offset + x + 7*stride] - dst[offset + x + 6*stride];
b= dst[offset + x + 8*stride] - dst[offset + x + 7*stride];
c= dst[offset + x + 9*stride] - dst[offset + x + 8*stride];
-
- d= ABS(b) - ((ABS(a) + ABS(c)+1)>>1);
+
+ d= FFABS(b) - ((FFABS(a) + FFABS(c)+1)>>1);
d= FFMAX(d, 0);
if(b<0) d= -d;
-
+
if(d==0) continue;
if(!(top_damage && bottom_damage))
d= d*16/9;
-
+
if(top_damage){
dst[offset + x + 7*stride] = cm[dst[offset + x + 7*stride] + ((d*7)>>4)];
dst[offset + x + 6*stride] = cm[dst[offset + x + 6*stride] + ((d*5)>>4)];
const int mb_height= s->mb_height;
int i, depth, num_avail;
int mb_x, mb_y;
-
+
num_avail=0;
for(i=0; i<s->mb_num; i++){
const int mb_xy= s->mb_index2xy[ i ];
if(IS_INTRA(s->current_picture.mb_type[mb_xy])) f=MV_FROZEN; //intra //FIXME check
if(!(error&MV_ERROR)) f=MV_FROZEN; //inter with undamaged MV
-
+
fixed[mb_xy]= f;
if(f==MV_FROZEN)
num_avail++;
}
-
+
if((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) || num_avail <= mb_width/2){
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
const int mb_xy= mb_x + mb_y*s->mb_stride;
-
+
if(IS_INTRA(s->current_picture.mb_type[mb_xy])) continue;
if(!(s->error_status_table[mb_xy]&MV_ERROR)) continue;
- s->mv_dir = MV_DIR_FORWARD;
+ s->mv_dir = s->last_picture.data[0] ? MV_DIR_FORWARD : MV_DIR_BACKWARD;
s->mb_intra=0;
s->mv_type = MV_TYPE_16X16;
- s->mb_skiped=0;
+ s->mb_skipped=0;
- s->dsp.clear_blocks(s->block[0]);
+ s->dsp.clear_blocks(s->block[0]);
s->mb_x= mb_x;
s->mb_y= mb_y;
}
return;
}
-
+
for(depth=0;; depth++){
int changed, pass, none_left;
for(pass=0; (changed || pass<2) && pass<10; pass++){
int mb_x, mb_y;
int score_sum=0;
-
+
changed=0;
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
int j;
int best_score=256*256*256*64;
int best_pred=0;
- const int mot_stride= mb_width*2+2;
- const int mot_index= mb_x*2 + 1 + (mb_y*2+1)*mot_stride;
+ const int mot_stride= s->b8_stride;
+ const int mot_index= mb_x*2 + mb_y*2*mot_stride;
int prev_x= s->current_picture.motion_val[0][mot_index][0];
int prev_y= s->current_picture.motion_val[0][mot_index][1];
if((mb_x^mb_y^pass)&1) continue;
-
+
if(fixed[mb_xy]==MV_FROZEN) continue;
assert(!IS_INTRA(s->current_picture.mb_type[mb_xy]));
assert(s->last_picture_ptr && s->last_picture_ptr->data[0]);
-
+
j=0;
if(mb_x>0 && fixed[mb_xy-1 ]==MV_FROZEN) j=1;
if(mb_x+1<mb_width && fixed[mb_xy+1 ]==MV_FROZEN) j=1;
if(mb_y>0 && fixed[mb_xy-mb_stride]==MV_CHANGED) j=1;
if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]==MV_CHANGED) j=1;
if(j==0 && pass>1) continue;
-
+
none_left=0;
-
+
if(mb_x>0 && fixed[mb_xy-1]){
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index - 2][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index - 2][1];
pred_count++;
}
if(pred_count==0) continue;
-
+
if(pred_count>1){
int sum_x=0, sum_y=0;
int max_x, max_y, min_x, min_y;
sum_x+= mv_predictor[j][0];
sum_y+= mv_predictor[j][1];
}
-
+
/* mean */
mv_predictor[pred_count][0] = sum_x/j;
mv_predictor[pred_count][1] = sum_y/j;
-
+
/* median */
if(pred_count>=3){
min_y= min_x= 99999;
}
mv_predictor[pred_count+1][0] = sum_x - max_x - min_x;
mv_predictor[pred_count+1][1] = sum_y - max_y - min_y;
-
+
if(pred_count==4){
mv_predictor[pred_count+1][0] /= 2;
mv_predictor[pred_count+1][1] /= 2;
}
pred_count+=2;
}
-
+
/* zero MV */
pred_count++;
/* last MV */
mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index][0];
mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index][1];
- pred_count++;
-
+ pred_count++;
+
s->mv_dir = MV_DIR_FORWARD;
s->mb_intra=0;
s->mv_type = MV_TYPE_16X16;
- s->mb_skiped=0;
+ s->mb_skipped=0;
- s->dsp.clear_blocks(s->block[0]);
+ s->dsp.clear_blocks(s->block[0]);
s->mb_x= mb_x;
s->mb_y= mb_y;
s->current_picture.motion_val[0][mot_index][1]= s->mv[0][0][1]= mv_predictor[j][1];
decode_mb(s);
-
+
if(mb_x>0 && fixed[mb_xy-1]){
int k;
for(k=0; k<16; k++)
- score += ABS(src[k*s->linesize-1 ]-src[k*s->linesize ]);
+ score += FFABS(src[k*s->linesize-1 ]-src[k*s->linesize ]);
}
if(mb_x+1<mb_width && fixed[mb_xy+1]){
int k;
for(k=0; k<16; k++)
- score += ABS(src[k*s->linesize+15]-src[k*s->linesize+16]);
+ score += FFABS(src[k*s->linesize+15]-src[k*s->linesize+16]);
}
if(mb_y>0 && fixed[mb_xy-mb_stride]){
int k;
for(k=0; k<16; k++)
- score += ABS(src[k-s->linesize ]-src[k ]);
+ score += FFABS(src[k-s->linesize ]-src[k ]);
}
if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]){
int k;
for(k=0; k<16; k++)
- score += ABS(src[k+s->linesize*15]-src[k+s->linesize*16]);
+ score += FFABS(src[k+s->linesize*15]-src[k+s->linesize*16]);
}
-
+
if(score <= best_score){ // <= will favor the last MV
best_score= score;
best_pred= j;
decode_mb(s);
-
+
if(s->mv[0][0][0] != prev_x || s->mv[0][0][1] != prev_y){
fixed[mb_xy]=MV_CHANGED;
changed++;
// printf(".%d/%d", changed, score_sum); fflush(stdout);
}
-
- if(none_left)
+
+ if(none_left)
return;
-
+
for(i=0; i<s->mb_num; i++){
int mb_xy= s->mb_index2xy[i];
if(fixed[mb_xy])
// printf(":"); fflush(stdout);
}
}
-
+
static int is_intra_more_likely(MpegEncContext *s){
int is_intra_likely, i, j, undamaged_count, skip_amount, mb_x, mb_y;
-
- if(s->last_picture_ptr==NULL) return 1; //no previous frame available -> use spatial prediction
+
+ if(!s->last_picture_ptr || !s->last_picture_ptr->data[0]) return 1; //no previous frame available -> use spatial prediction
undamaged_count=0;
for(i=0; i<s->mb_num; i++){
if(!((error&DC_ERROR) && (error&MV_ERROR)))
undamaged_count++;
}
-
- if(undamaged_count < 5) return 0; //allmost all MBs damaged -> use temporal prediction
-
- skip_amount= FFMAX(undamaged_count/50, 1); //check only upto 50 MBs
+
+ if(undamaged_count < 5) return 0; //almost all MBs damaged -> use temporal prediction
+
+ //prevent dsp.sad() check, that requires access to the image
+ if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration && s->pict_type == FF_I_TYPE)
+ return 1;
+
+ skip_amount= FFMAX(undamaged_count/50, 1); //check only upto 50 MBs
is_intra_likely=0;
j=0;
error= s->error_status_table[mb_xy];
if((error&DC_ERROR) && (error&MV_ERROR))
continue; //skip damaged
-
- j++;
+
+ j++;
if((j%skip_amount) != 0) continue; //skip a few to speed things up
-
- if(s->pict_type==I_TYPE){
+
+ if(s->pict_type==FF_I_TYPE){
uint8_t *mb_ptr = s->current_picture.data[0] + mb_x*16 + mb_y*16*s->linesize;
uint8_t *last_mb_ptr= s->last_picture.data [0] + mb_x*16 + mb_y*16*s->linesize;
-
- is_intra_likely += s->dsp.sad[0](NULL, last_mb_ptr, mb_ptr , s->linesize, 16);
+
+ is_intra_likely += s->dsp.sad[0](NULL, last_mb_ptr, mb_ptr , s->linesize, 16);
is_intra_likely -= s->dsp.sad[0](NULL, last_mb_ptr, last_mb_ptr+s->linesize*16, s->linesize, 16);
}else{
if(IS_INTRA(s->current_picture.mb_type[mb_xy]))
}
}
//printf("is_intra_likely: %d type:%d\n", is_intra_likely, s->pict_type);
- return is_intra_likely > 0;
+ return is_intra_likely > 0;
}
void ff_er_frame_start(MpegEncContext *s){
- if(!s->error_resilience) return;
+ if(!s->error_recognition) return;
memset(s->error_status_table, MV_ERROR|AC_ERROR|DC_ERROR|VP_START|AC_END|DC_END|MV_END, s->mb_stride*s->mb_height*sizeof(uint8_t));
s->error_count= 3*s->mb_num;
* adds a slice.
* @param endx x component of the last macroblock, can be -1 for the last of the previous line
* @param status the status at the end (MV_END, AC_ERROR, ...), it is assumed that no earlier end or
- * error of the same type occured
+ * error of the same type occurred
*/
void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status){
- const int start_i= clip(startx + starty * s->mb_width , 0, s->mb_num-1);
- const int end_i = clip(endx + endy * s->mb_width , 0, s->mb_num);
+ const int start_i= av_clip(startx + starty * s->mb_width , 0, s->mb_num-1);
+ const int end_i = av_clip(endx + endy * s->mb_width , 0, s->mb_num);
const int start_xy= s->mb_index2xy[start_i];
const int end_xy = s->mb_index2xy[end_i];
int mask= -1;
-
- if(!s->error_resilience) return;
+
+ if(s->avctx->hwaccel)
+ return;
+
+ if(start_i > end_i || start_xy > end_xy){
+ av_log(s->avctx, AV_LOG_ERROR, "internal error, slice end before start\n");
+ return;
+ }
+
+ if(!s->error_recognition) return;
mask &= ~VP_START;
if(status & (AC_ERROR|AC_END)){
}
}
- if(end_i == s->mb_num)
+ if(end_i == s->mb_num)
s->error_count= INT_MAX;
else{
s->error_status_table[end_xy] &= mask;
s->error_status_table[end_xy] |= status;
}
-
+
s->error_status_table[start_xy] |= VP_START;
- if(start_xy > 0){
+ if(start_xy > 0 && s->avctx->thread_count <= 1 && s->avctx->skip_top*s->mb_width < start_i){
int prev_status= s->error_status_table[ s->mb_index2xy[start_i - 1] ];
-
+
prev_status &= ~ VP_START;
if(prev_status != (MV_END|DC_END|AC_END)) s->error_count= INT_MAX;
}
}
void ff_er_frame_end(MpegEncContext *s){
- int i, mb_x, mb_y, error, error_type;
+ int i, mb_x, mb_y, error, error_type, dc_error, mv_error, ac_error;
int distance;
int threshold_part[4]= {100,100,100};
int threshold= 50;
int is_intra_likely;
-
- if(!s->error_resilience || s->error_count==0) return;
+ int size = s->b8_stride * 2 * s->mb_height;
+ Picture *pic= s->current_picture_ptr;
+
+ if(!s->error_recognition || s->error_count==0 || s->avctx->lowres ||
+ s->avctx->hwaccel ||
+ s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU ||
+ s->error_count==3*s->mb_width*(s->avctx->skip_top + s->avctx->skip_bottom)) return;
- av_log(s->avctx, AV_LOG_INFO, "concealing errors\n");
-
if(s->current_picture.motion_val[0] == NULL){
- int size = (2 * s->mb_width + 2) * (2 * s->mb_height + 2);
- Picture *pic= s->current_picture_ptr;
-
av_log(s->avctx, AV_LOG_ERROR, "Warning MVs not available\n");
-
+
for(i=0; i<2; i++){
- pic->motion_val_base[i]= av_mallocz((size+1) * 2 * sizeof(uint16_t)); //FIXME size
- pic->motion_val[i]= pic->motion_val_base[i]+1;
+ pic->ref_index[i]= av_mallocz(size * sizeof(uint8_t));
+ pic->motion_val_base[i]= av_mallocz((size+4) * 2 * sizeof(uint16_t));
+ pic->motion_val[i]= pic->motion_val_base[i]+4;
}
pic->motion_subsample_log2= 3;
s->current_picture= *s->current_picture_ptr;
}
-
+
+ for(i=0; i<2; i++){
+ if(pic->ref_index[i])
+ memset(pic->ref_index[i], 0, size * sizeof(uint8_t));
+ }
+
if(s->avctx->debug&FF_DEBUG_ER){
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
int status= s->error_status_table[mb_x + mb_y*s->mb_stride];
-
- av_log(s->avctx, AV_LOG_DEBUG, "%2X ", status);
+
+ av_log(s->avctx, AV_LOG_DEBUG, "%2X ", status);
}
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
}
-
+
#if 1
/* handle overlapping slices */
for(error_type=1; error_type<=3; error_type++){
for(i=s->mb_num-1; i>=0; i--){
const int mb_xy= s->mb_index2xy[i];
int error= s->error_status_table[mb_xy];
-
+
if(error&(1<<error_type))
end_ok=1;
if(error&(8<<error_type))
for(i=s->mb_num-1; i>=0; i--){
const int mb_xy= s->mb_index2xy[i];
int error= s->error_status_table[mb_xy];
-
+
if(error&AC_END)
end_ok=0;
if((error&MV_END) || (error&DC_END) || (error&AC_ERROR))
}
#endif
/* handle missing slices */
- if(s->error_resilience>=4){
+ if(s->error_recognition>=4){
int end_ok=1;
-
+
for(i=s->mb_num-2; i>=s->mb_width+100; i--){ //FIXME +100 hack
const int mb_xy= s->mb_index2xy[i];
int error1= s->error_status_table[mb_xy ];
int error2= s->error_status_table[s->mb_index2xy[i+1]];
-
+
if(error1&VP_START)
end_ok=1;
-
+
if( error2==(VP_START|DC_ERROR|AC_ERROR|MV_ERROR|AC_END|DC_END|MV_END)
- && error1!=(VP_START|DC_ERROR|AC_ERROR|MV_ERROR|AC_END|DC_END|MV_END)
- && ((error1&AC_END) || (error1&DC_END) || (error1&MV_END))){ //end & uninited
+ && error1!=(VP_START|DC_ERROR|AC_ERROR|MV_ERROR|AC_END|DC_END|MV_END)
+ && ((error1&AC_END) || (error1&DC_END) || (error1&MV_END))){ //end & uninit
end_ok=0;
}
-
+
if(!end_ok)
s->error_status_table[mb_xy]|= DC_ERROR|AC_ERROR|MV_ERROR;
}
}
-
+
#if 1
/* backward mark errors */
distance=9999999;
for(i=s->mb_num-1; i>=0; i--){
const int mb_xy= s->mb_index2xy[i];
int error= s->error_status_table[mb_xy];
-
+
if(!s->mbskip_table[mb_xy]) //FIXME partition specific
- distance++;
+ distance++;
if(error&(1<<error_type))
distance= 0;
for(i=0; i<s->mb_num; i++){
const int mb_xy= s->mb_index2xy[i];
int old_error= s->error_status_table[mb_xy];
-
+
if(old_error&VP_START)
error= old_error& (DC_ERROR|AC_ERROR|MV_ERROR);
else{
}
}
#endif
+
+ dc_error= ac_error= mv_error=0;
+ for(i=0; i<s->mb_num; i++){
+ const int mb_xy= s->mb_index2xy[i];
+ error= s->error_status_table[mb_xy];
+ if(error&DC_ERROR) dc_error ++;
+ if(error&AC_ERROR) ac_error ++;
+ if(error&MV_ERROR) mv_error ++;
+ }
+ av_log(s->avctx, AV_LOG_INFO, "concealing %d DC, %d AC, %d MV errors\n", dc_error, ac_error, mv_error);
+
is_intra_likely= is_intra_more_likely(s);
/* set unknown mb-type to most likely */
else
s->current_picture.mb_type[mb_xy]= MB_TYPE_16x16 | MB_TYPE_L0;
}
-
+
+ // change inter to intra blocks if no reference frames are available
+ if (!s->last_picture.data[0] && !s->next_picture.data[0])
+ for(i=0; i<s->mb_num; i++){
+ const int mb_xy= s->mb_index2xy[i];
+ if(!IS_INTRA(s->current_picture.mb_type[mb_xy]))
+ s->current_picture.mb_type[mb_xy]= MB_TYPE_INTRA4x4;
+ }
+
/* handle inter blocks with damaged AC */
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
const int mb_xy= mb_x + mb_y * s->mb_stride;
const int mb_type= s->current_picture.mb_type[mb_xy];
+ int dir = !s->last_picture.data[0];
error= s->error_status_table[mb_xy];
if(IS_INTRA(mb_type)) continue; //intra
if(error&MV_ERROR) continue; //inter with damaged MV
if(!(error&AC_ERROR)) continue; //undamaged inter
-
- s->mv_dir = MV_DIR_FORWARD;
+
+ s->mv_dir = dir ? MV_DIR_BACKWARD : MV_DIR_FORWARD;
s->mb_intra=0;
- s->mb_skiped=0;
+ s->mb_skipped=0;
if(IS_8X8(mb_type)){
- int mb_index= mb_x*2+1 + (mb_y*2+1)*s->block_wrap[0];
+ int mb_index= mb_x*2 + mb_y*2*s->b8_stride;
int j;
s->mv_type = MV_TYPE_8X8;
for(j=0; j<4; j++){
- s->mv[0][j][0] = s->current_picture.motion_val[0][ mb_index + (j&1) + (j>>1)*s->block_wrap[0] ][0];
- s->mv[0][j][1] = s->current_picture.motion_val[0][ mb_index + (j&1) + (j>>1)*s->block_wrap[0] ][1];
+ s->mv[0][j][0] = s->current_picture.motion_val[dir][ mb_index + (j&1) + (j>>1)*s->b8_stride ][0];
+ s->mv[0][j][1] = s->current_picture.motion_val[dir][ mb_index + (j&1) + (j>>1)*s->b8_stride ][1];
}
}else{
s->mv_type = MV_TYPE_16X16;
- s->mv[0][0][0] = s->current_picture.motion_val[0][ mb_x*2+1 + (mb_y*2+1)*s->block_wrap[0] ][0];
- s->mv[0][0][1] = s->current_picture.motion_val[0][ mb_x*2+1 + (mb_y*2+1)*s->block_wrap[0] ][1];
+ s->mv[0][0][0] = s->current_picture.motion_val[dir][ mb_x*2 + mb_y*2*s->b8_stride ][0];
+ s->mv[0][0][1] = s->current_picture.motion_val[dir][ mb_x*2 + mb_y*2*s->b8_stride ][1];
}
-
- s->dsp.clear_blocks(s->block[0]);
+
+ s->dsp.clear_blocks(s->block[0]);
s->mb_x= mb_x;
s->mb_y= mb_y;
}
/* guess MVs */
- if(s->pict_type==B_TYPE){
+ if(s->pict_type==FF_B_TYPE){
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
- int xy= mb_x*2+1 + (mb_y*2+1)*s->block_wrap[0];
+ int xy= mb_x*2 + mb_y*2*s->b8_stride;
const int mb_xy= mb_x + mb_y * s->mb_stride;
const int mb_type= s->current_picture.mb_type[mb_xy];
error= s->error_status_table[mb_xy];
if(IS_INTRA(mb_type)) continue;
if(!(error&MV_ERROR)) continue; //inter with undamaged MV
if(!(error&AC_ERROR)) continue; //undamaged inter
-
+
s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD;
+ if(!s->last_picture.data[0]) s->mv_dir &= ~MV_DIR_FORWARD;
+ if(!s->next_picture.data[0]) s->mv_dir &= ~MV_DIR_BACKWARD;
s->mb_intra=0;
s->mv_type = MV_TYPE_16X16;
- s->mb_skiped=0;
-
+ s->mb_skipped=0;
+
if(s->pp_time){
int time_pp= s->pp_time;
int time_pb= s->pb_time;
-
+
s->mv[0][0][0] = s->next_picture.motion_val[0][xy][0]*time_pb/time_pp;
s->mv[0][0][1] = s->next_picture.motion_val[0][xy][1]*time_pb/time_pp;
s->mv[1][0][0] = s->next_picture.motion_val[0][xy][0]*(time_pb - time_pp)/time_pp;
}else
guess_mv(s);
-#ifdef HAVE_XVMC
/* the filters below are not XvMC compatible, skip them */
- if(s->avctx->xvmc_acceleration) goto ec_clean;
-#endif
+ if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)
+ goto ec_clean;
/* fill DC for inter blocks */
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
uint8_t *dest_y, *dest_cb, *dest_cr;
const int mb_xy= mb_x + mb_y * s->mb_stride;
const int mb_type= s->current_picture.mb_type[mb_xy];
-
+
error= s->error_status_table[mb_xy];
if(IS_INTRA(mb_type) && s->partitioned_frame) continue;
// if(error&MV_ERROR) continue; //inter data damaged FIXME is this good?
-
+
dest_y = s->current_picture.data[0] + mb_x*16 + mb_y*16*s->linesize;
dest_cb= s->current_picture.data[1] + mb_x*8 + mb_y*8 *s->uvlinesize;
dest_cr= s->current_picture.data[2] + mb_x*8 + mb_y*8 *s->uvlinesize;
-
- dc_ptr= &s->dc_val[0][mb_x*2+1 + (mb_y*2+1)*(s->mb_width*2+2)];
+
+ dc_ptr= &s->dc_val[0][mb_x*2 + mb_y*2*s->b8_stride];
for(n=0; n<4; n++){
dc=0;
for(y=0; y<8; y++){
dc+= dest_y[x + (n&1)*8 + (y + (n>>1)*8)*s->linesize];
}
}
- dc_ptr[(n&1) + (n>>1)*(s->mb_width*2+2)]= (dc+4)>>3;
+ dc_ptr[(n&1) + (n>>1)*s->b8_stride]= (dc+4)>>3;
}
dcu=dcv=0;
dcv+=dest_cr[x + y*(s->uvlinesize)];
}
}
- s->dc_val[1][mb_x+1 + (mb_y+1)*(s->mb_width+2)]= (dcu+4)>>3;
- s->dc_val[2][mb_x+1 + (mb_y+1)*(s->mb_width+2)]= (dcv+4)>>3;
+ s->dc_val[1][mb_x + mb_y*s->mb_stride]= (dcu+4)>>3;
+ s->dc_val[2][mb_x + mb_y*s->mb_stride]= (dcv+4)>>3;
}
}
#if 1
/* guess DC for damaged blocks */
- guess_dc(s, s->dc_val[0] + s->mb_width*2+3, s->mb_width*2, s->mb_height*2, s->mb_width*2+2, 1);
- guess_dc(s, s->dc_val[1] + s->mb_width +3, s->mb_width , s->mb_height , s->mb_width +2, 0);
- guess_dc(s, s->dc_val[2] + s->mb_width +3, s->mb_width , s->mb_height , s->mb_width +2, 0);
-#endif
+ guess_dc(s, s->dc_val[0], s->mb_width*2, s->mb_height*2, s->b8_stride, 1);
+ guess_dc(s, s->dc_val[1], s->mb_width , s->mb_height , s->mb_stride, 0);
+ guess_dc(s, s->dc_val[2], s->mb_width , s->mb_height , s->mb_stride, 0);
+#endif
/* filter luma DC */
- filter181(s->dc_val[0] + s->mb_width*2+3, s->mb_width*2, s->mb_height*2, s->mb_width*2+2);
-
+ filter181(s->dc_val[0], s->mb_width*2, s->mb_height*2, s->b8_stride);
+
#if 1
/* render DC only intra */
for(mb_y=0; mb_y<s->mb_height; mb_y++){
if(IS_INTER(mb_type)) continue;
if(!(error&AC_ERROR)) continue; //undamaged
-
+
dest_y = s->current_picture.data[0] + mb_x*16 + mb_y*16*s->linesize;
dest_cb= s->current_picture.data[1] + mb_x*8 + mb_y*8 *s->uvlinesize;
dest_cr= s->current_picture.data[2] + mb_x*8 + mb_y*8 *s->uvlinesize;
-
+
put_dc(s, dest_y, dest_cb, dest_cr, mb_x, mb_y);
}
}
#endif
-
+
if(s->avctx->error_concealment&FF_EC_DEBLOCK){
/* filter horizontal block boundaries */
h_block_filter(s, s->current_picture.data[0], s->mb_width*2, s->mb_height*2, s->linesize , 1);
v_block_filter(s, s->current_picture.data[2], s->mb_width , s->mb_height , s->uvlinesize, 0);
}
-#ifdef HAVE_XVMC
ec_clean:
-#endif
/* clean a few tables */
for(i=0; i<s->mb_num; i++){
const int mb_xy= s->mb_index2xy[i];
int error= s->error_status_table[mb_xy];
-
- if(s->pict_type!=B_TYPE && (error&(DC_ERROR|MV_ERROR|AC_ERROR))){
+
+ if(s->pict_type!=FF_B_TYPE && (error&(DC_ERROR|MV_ERROR|AC_ERROR))){
s->mbskip_table[mb_xy]=0;
}
s->mbintra_table[mb_xy]=1;
- }
+ }
}
projects / frescor / ffmpeg.git / blobdiff