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unify table indexing (motion_val,dc_val,ac_val,coded_block changed)

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minor +-1 bugfix

Originally committed as revision 3016 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Michael Niedermayer 21 years ago
parent 37f5cd5a18
commit 137c8468e8
9 changed files with 135 additions and 185 deletions
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  1. 52
      libavcodec/error_resilience.c
  2. 139
      libavcodec/h263.c
  3. 12
      libavcodec/motion_est.c
  4. 4
      libavcodec/mpeg12.c
  5. 82
      libavcodec/mpegvideo.c
  6. 5
      libavcodec/mpegvideo.h
  7. 10
      libavcodec/msmpeg4.c
  8. 12
      libavcodec/rv10.c
  9. 4
      libavcodec/wmv2.c

52
libavcodec/error_resilience.c
Unescape View File

@ -45,7 +45,7 @@ static void put_dc(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t
{
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++){
@ -55,8 +55,8 @@ static void put_dc(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t
}
}
}
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;
@ -209,8 +209,8 @@ static void h_block_filter(MpegEncContext *s, uint8_t *dst, int w, int h, int st
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
@ -269,8 +269,8 @@ static void v_block_filter(MpegEncContext *s, uint8_t *dst, int w, int h, int st
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
@ -378,8 +378,8 @@ int score_sum=0;
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];
@ -672,14 +672,14 @@ void ff_er_frame_end(MpegEncContext *s){
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);
int size = s->b8_stride * 2 * s->mb_height;
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->motion_val_base[i]= av_mallocz((size+2) * 2 * sizeof(uint16_t));
pic->motion_val[i]= pic->motion_val_base[i]+2;
}
pic->motion_subsample_log2= 3;
s->current_picture= *s->current_picture_ptr;
@ -845,17 +845,17 @@ void ff_er_frame_end(MpegEncContext *s){
s->mb_intra=0;
s->mb_skiped=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[0][ mb_index + (j&1) + (j>>1)*s->b8_stride ][0];
s->mv[0][j][1] = s->current_picture.motion_val[0][ 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[0][ mb_x*2 + mb_y*2*s->b8_stride ][0];
s->mv[0][0][1] = s->current_picture.motion_val[0][ mb_x*2 + mb_y*2*s->b8_stride ][1];
}
s->dsp.clear_blocks(s->block[0]);
@ -870,7 +870,7 @@ void ff_er_frame_end(MpegEncContext *s){
if(s->pict_type==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];
@ -930,7 +930,7 @@ void ff_er_frame_end(MpegEncContext *s){
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++){
@ -939,7 +939,7 @@ void ff_er_frame_end(MpegEncContext *s){
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;
@ -950,18 +950,18 @@ void ff_er_frame_end(MpegEncContext *s){
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);
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 */

139
libavcodec/h263.c
Unescape View File

@ -610,7 +610,7 @@ int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){
void ff_h263_update_motion_val(MpegEncContext * s){
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
//FIXME a lot of thet is only needed for !low_delay
const int wrap = s->block_wrap[0];
const int wrap = s->b8_stride;
const int xy = s->block_index[0];
s->current_picture.mbskip_table[mb_xy]= s->mb_skiped;
@ -985,7 +985,7 @@ void mpeg4_encode_mb(MpegEncContext * s,
}
/* motion vectors: 16x16 mode */
h263_pred_motion(s, 0, &pred_x, &pred_y);
h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
h263_encode_motion(s, motion_x - pred_x, s->f_code);
h263_encode_motion(s, motion_y - pred_y, s->f_code);
@ -1009,7 +1009,7 @@ void mpeg4_encode_mb(MpegEncContext * s,
}
/* motion vectors: 16x8 interlaced mode */
h263_pred_motion(s, 0, &pred_x, &pred_y);
h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
pred_y /=2;
put_bits(&s->pb, 1, s->field_select[0][0]);
@ -1037,7 +1037,7 @@ void mpeg4_encode_mb(MpegEncContext * s,
for(i=0; i<4; i++){
/* motion vectors: 8x8 mode*/
h263_pred_motion(s, i, &pred_x, &pred_y);
h263_pred_motion(s, i, 0, &pred_x, &pred_y);
h263_encode_motion(s, s->current_picture.motion_val[0][ s->block_index[i] ][0] - pred_x, s->f_code);
h263_encode_motion(s, s->current_picture.motion_val[0][ s->block_index[i] ][1] - pred_y, s->f_code);
@ -1185,7 +1185,7 @@ void h263_encode_mb(MpegEncContext * s,
}
/* motion vectors: 16x16 mode */
h263_pred_motion(s, 0, &pred_x, &pred_y);
h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
if (!s->umvplus) {
h263_encode_motion(s, motion_x - pred_x, 1);
@ -1212,7 +1212,7 @@ void h263_encode_mb(MpegEncContext * s,
for(i=0; i<4; i++){
/* motion vectors: 8x8 mode*/
h263_pred_motion(s, i, &pred_x, &pred_y);
h263_pred_motion(s, i, 0, &pred_x, &pred_y);
motion_x= s->current_picture.motion_val[0][ s->block_index[i] ][0];
motion_y= s->current_picture.motion_val[0][ s->block_index[i] ][1];
@ -1435,16 +1435,16 @@ static int h263_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr)
/* find prediction */
if (n < 4) {
x = 2 * s->mb_x + 1 + (n & 1);
y = 2 * s->mb_y + 1 + ((n & 2) >> 1);
wrap = s->mb_width * 2 + 2;
x = 2 * s->mb_x + (n & 1);
y = 2 * s->mb_y + ((n & 2) >> 1);
wrap = s->b8_stride;
dc_val = s->dc_val[0];
ac_val = s->ac_val[0][0];
scale = s->y_dc_scale;
} else {
x = s->mb_x + 1;
y = s->mb_y + 1;
wrap = s->mb_width + 2;
x = s->mb_x;
y = s->mb_y;
wrap = s->mb_stride;
dc_val = s->dc_val[n - 4 + 1];
ac_val = s->ac_val[n - 4 + 1][0];
scale = s->c_dc_scale;
@ -1482,16 +1482,16 @@ static void h263_pred_acdc(MpegEncContext * s, DCTELEM *block, int n)
/* find prediction */
if (n < 4) {
x = 2 * s->mb_x + 1 + (n & 1);
y = 2 * s->mb_y + 1 + (n>> 1);
wrap = s->mb_width * 2 + 2;
x = 2 * s->mb_x + (n & 1);
y = 2 * s->mb_y + (n>> 1);
wrap = s->b8_stride;
dc_val = s->dc_val[0];
ac_val = s->ac_val[0][0];
scale = s->y_dc_scale;
} else {
x = s->mb_x + 1;
y = s->mb_y + 1;
wrap = s->mb_width + 2;
x = s->mb_x;
y = s->mb_y;
wrap = s->mb_stride;
dc_val = s->dc_val[n - 4 + 1];
ac_val = s->ac_val[n - 4 + 1][0];
scale = s->c_dc_scale;
@ -1562,78 +1562,15 @@ static void h263_pred_acdc(MpegEncContext * s, DCTELEM *block, int n)
ac_val1[8 + i] = block[s->dsp.idct_permutation[i ]];
}
int16_t *h263_pred_motion(MpegEncContext * s, int block,
int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir,
int *px, int *py)
{
int xy, wrap;
int16_t *A, *B, *C, *mot_val;
static const int off[4]= {2, 1, 1, -1};
wrap = s->block_wrap[0];
xy = s->block_index[block];
mot_val = s->current_picture.motion_val[0][xy];
A = s->current_picture.motion_val[0][xy - 1];
/* special case for first (slice) line */
if (s->first_slice_line && block<3) {
// we cant just change some MVs to simulate that as we need them for the B frames (and ME)
// and if we ever support non rectangular objects than we need to do a few ifs here anyway :(
if(block==0){ //most common case
if(s->mb_x == s->resync_mb_x){ //rare
*px= *py = 0;
}else if(s->mb_x + 1 == s->resync_mb_x && s->h263_pred){ //rare
C = s->current_picture.motion_val[0][xy + off[block] - wrap];
if(s->mb_x==0){
*px = C[0];
*py = C[1];
}else{
*px = mid_pred(A[0], 0, C[0]);
*py = mid_pred(A[1], 0, C[1]);
}
}else{
*px = A[0];
*py = A[1];
}
}else if(block==1){
if(s->mb_x + 1 == s->resync_mb_x && s->h263_pred){ //rare
C = s->current_picture.motion_val[0][xy + off[block] - wrap];
*px = mid_pred(A[0], 0, C[0]);
*py = mid_pred(A[1], 0, C[1]);
}else{
*px = A[0];
*py = A[1];
}
}else{ /* block==2*/
B = s->current_picture.motion_val[0][xy - wrap];
C = s->current_picture.motion_val[0][xy + off[block] - wrap];
if(s->mb_x == s->resync_mb_x) //rare
A[0]=A[1]=0;
*px = mid_pred(A[0], B[0], C[0]);
*py = mid_pred(A[1], B[1], C[1]);
}
} else {
B = s->current_picture.motion_val[0][xy - wrap];
C = s->current_picture.motion_val[0][xy + off[block] - wrap];
*px = mid_pred(A[0], B[0], C[0]);
*py = mid_pred(A[1], B[1], C[1]);
}
return mot_val;
}
// identical to above but with s->current_picture->motion_val, the above one will be removed, and this renamed to it
int16_t *h263_pred_motion2(MpegEncContext * s, int block, int dir,
int *px, int *py)
{
int xy, wrap;
int wrap;
int16_t *A, *B, *C, (*mot_val)[2];
static const int off[4]= {2, 1, 1, -1};
wrap = s->b8_stride;
xy = 2*(s->mb_x + s->mb_y * wrap);
mot_val = s->current_picture.motion_val[dir] + xy;
mot_val = s->current_picture.motion_val[dir] + s->block_index[block];
A = mot_val[ - 1];
/* special case for first (slice) line */
@ -3198,10 +3135,10 @@ void ff_mpeg4_clean_buffers(MpegEncContext *s)
{
int c_wrap, c_xy, l_wrap, l_xy;
l_wrap= s->block_wrap[0];
l_xy= s->mb_y*l_wrap*2 + s->mb_x*2;
c_wrap= s->block_wrap[4];
c_xy= s->mb_y*c_wrap + s->mb_x;
l_wrap= s->b8_stride;
l_xy= (2*s->mb_y-1)*l_wrap + s->mb_x*2 - 1;
c_wrap= s->mb_stride;
c_xy= (s->mb_y-1)*c_wrap + s->mb_x - 1;
#if 0
/* clean DC */
@ -3374,7 +3311,7 @@ static int mpeg4_decode_partition_a(MpegEncContext *s){
}else{ /* P/S_TYPE */
int mx, my, pred_x, pred_y, bits;
int16_t * const mot_val= s->current_picture.motion_val[0][s->block_index[0]];
const int stride= s->block_wrap[0]*2;
const int stride= s->b8_stride*2;
try_again:
bits= show_bits(&s->gb, 17);
@ -3432,7 +3369,7 @@ try_again:
if ((cbpc & 16) == 0) {
/* 16x16 motion prediction */
h263_pred_motion(s, 0, &pred_x, &pred_y);
h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
if(!s->mcsel){
mx = h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
@ -3456,7 +3393,7 @@ try_again:
int i;
s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0;
for(i=0;i<4;i++) {
int16_t *mot_val= h263_pred_motion(s, i, &pred_x, &pred_y);
int16_t *mot_val= h263_pred_motion(s, i, 0, &pred_x, &pred_y);
mx = h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
return -1;
@ -3710,7 +3647,7 @@ static void preview_obmc(MpegEncContext *s){
int cbpc, i, pred_x, pred_y, mx, my;
int16_t *mot_val;
const int xy= s->mb_x + 1 + s->mb_y * s->mb_stride;
const int stride= s->block_wrap[0]*2;
const int stride= s->b8_stride*2;
for(i=0; i<4; i++)
s->block_index[i]+= 2;
@ -3750,7 +3687,7 @@ static void preview_obmc(MpegEncContext *s){
if ((cbpc & 16) == 0) {
s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0;
/* 16x16 motion prediction */
mot_val= h263_pred_motion(s, 0, &pred_x, &pred_y);
mot_val= h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
if (s->umvplus)
mx = h263p_decode_umotion(s, pred_x);
else
@ -3768,7 +3705,7 @@ static void preview_obmc(MpegEncContext *s){
} else {
s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0;
for(i=0;i<4;i++) {
mot_val = h263_pred_motion(s, i, &pred_x, &pred_y);
mot_val = h263_pred_motion(s, i, 0, &pred_x, &pred_y);
if (s->umvplus)
mx = h263p_decode_umotion(s, pred_x);
else
@ -3860,7 +3797,7 @@ int ff_h263_decode_mb(MpegEncContext *s,
s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0;
/* 16x16 motion prediction */
s->mv_type = MV_TYPE_16X16;
h263_pred_motion(s, 0, &pred_x, &pred_y);
h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
if (s->umvplus)
mx = h263p_decode_umotion(s, pred_x);
else
@ -3885,7 +3822,7 @@ int ff_h263_decode_mb(MpegEncContext *s,
s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0;
s->mv_type = MV_TYPE_8X8;
for(i=0;i<4;i++) {
mot_val = h263_pred_motion(s, i, &pred_x, &pred_y);
mot_val = h263_pred_motion(s, i, 0, &pred_x, &pred_y);
if (s->umvplus)
mx = h263p_decode_umotion(s, pred_x);
else
@ -3979,7 +3916,7 @@ int ff_h263_decode_mb(MpegEncContext *s,
//FIXME UMV
if(USES_LIST(mb_type, 0)){
int16_t *mot_val= h263_pred_motion2(s, 0, 0, &mx, &my);
int16_t *mot_val= h263_pred_motion(s, 0, 0, &mx, &my);
s->mv_dir = MV_DIR_FORWARD;
mx = h263_decode_motion(s, mx, 1);
@ -3992,7 +3929,7 @@ int ff_h263_decode_mb(MpegEncContext *s,
}
if(USES_LIST(mb_type, 1)){
int16_t *mot_val= h263_pred_motion2(s, 0, 1, &mx, &my);
int16_t *mot_val= h263_pred_motion(s, 0, 1, &mx, &my);
s->mv_dir |= MV_DIR_BACKWARD;
mx = h263_decode_motion(s, mx, 1);
@ -4147,7 +4084,7 @@ int ff_mpeg4_decode_mb(MpegEncContext *s,
s->field_select[0][0]= get_bits1(&s->gb);
s->field_select[0][1]= get_bits1(&s->gb);
h263_pred_motion(s, 0, &pred_x, &pred_y);
h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
for(i=0; i<2; i++){
mx = h263_decode_motion(s, pred_x, s->f_code);
@ -4165,7 +4102,7 @@ int ff_mpeg4_decode_mb(MpegEncContext *s,
s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0;
/* 16x16 motion prediction */
s->mv_type = MV_TYPE_16X16;
h263_pred_motion(s, 0, &pred_x, &pred_y);
h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
mx = h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
@ -4182,7 +4119,7 @@ int ff_mpeg4_decode_mb(MpegEncContext *s,
s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0;
s->mv_type = MV_TYPE_8X8;
for(i=0;i<4;i++) {
mot_val = h263_pred_motion(s, i, &pred_x, &pred_y);
mot_val = h263_pred_motion(s, i, 0, &pred_x, &pred_y);
mx = h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
return -1;

12
libavcodec/motion_est.c
Unescape View File

@ -733,7 +733,7 @@ static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
s->current_picture.motion_val[0][mot_xy+1][0]= mx;
s->current_picture.motion_val[0][mot_xy+1][1]= my;
mot_xy += s->block_wrap[0];
mot_xy += s->b8_stride;
s->current_picture.motion_val[0][mot_xy ][0]= mx;
s->current_picture.motion_val[0][mot_xy ][1]= my;
s->current_picture.motion_val[0][mot_xy+1][0]= mx;
@ -780,7 +780,7 @@ static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
int pred_x4, pred_y4;
int dmin4;
static const int off[4]= {2, 1, 1, -1};
const int mot_stride = s->block_wrap[0];
const int mot_stride = s->b8_stride;
const int mot_xy = s->block_index[block];
const int block_x= (block&1);
const int block_y= (block>>1);
@ -1102,7 +1102,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
case ME_X1:
case ME_EPZS:
{
const int mot_stride = s->block_wrap[0];
const int mot_stride = s->b8_stride;
const int mot_xy = s->block_index[0];
P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
@ -1252,7 +1252,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
int mean;
if(s->out_format == FMT_H263){
mean= (s->dc_val[i][mb_x + (mb_y+1)*(s->mb_width+2)] + 4)>>3; //FIXME not exact but simple ;)
mean= (s->dc_val[i][mb_x + mb_y*s->b8_stride] + 4)>>3; //FIXME not exact but simple ;)
}else{
mean= (s->last_dc[i] + 4)>>3;
}
@ -1809,11 +1809,11 @@ void ff_fix_long_p_mvs(MpegEncContext * s)
//printf("%d no:%d %d//\n", clip, noclip, f_code);
if(s->flags&CODEC_FLAG_4MV){
const int wrap= 2+ s->mb_width*2;
const int wrap= s->b8_stride;
/* clip / convert to intra 8x8 type MVs */
for(y=0; y<s->mb_height; y++){
int xy= (y*2 + 1)*wrap + 1;
int xy= y*2*wrap;
int i= y*s->mb_stride;
int x;

4
libavcodec/mpeg12.c
Unescape View File

@ -2324,8 +2324,8 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
return -1;
if(s->current_picture.motion_val[0] && !s->encoding){ //note motion_val is normally NULL unless we want to extract the MVs
const int wrap = field_pic ? 2*s->block_wrap[0] : s->block_wrap[0];
int xy = s->mb_x*2 + 1 + (s->mb_y*2 +1)*wrap;
const int wrap = field_pic ? 2*s->b8_stride : s->b8_stride;
int xy = s->mb_x*2 + s->mb_y*2*wrap;
int motion_x, motion_y, dir, i;
if(field_pic && !s->first_field)
xy += wrap/2;

82
libavcodec/mpegvideo.c
Unescape View File

@ -275,7 +275,9 @@ static void copy_picture(Picture *dst, Picture *src){
dst->type= FF_BUFFER_TYPE_COPY;
}
static void copy_picture_attributes(AVFrame *dst, AVFrame *src){
static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
int i;
dst->pict_type = src->pict_type;
dst->quality = src->quality;
dst->coded_picture_number = src->coded_picture_number;
@ -284,6 +286,18 @@ static void copy_picture_attributes(AVFrame *dst, AVFrame *src){
dst->pts = src->pts;
dst->interlaced_frame = src->interlaced_frame;
dst->top_field_first = src->top_field_first;
if(src->motion_val[0] && src->motion_val[0] != dst->motion_val[0]){
if(src->motion_subsample_log2 != dst->motion_subsample_log2)
av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesnt match!\n");
else{
int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
int height= ((16*s->mb_height)>>src->motion_subsample_log2);
for(i=0; i<2; i++)
memcpy(dst->motion_val[i], src->motion_val[i], stride*height*sizeof(int16_t));
}
}
}
/**
@ -347,7 +361,7 @@ static int alloc_picture(MpegEncContext *s, Picture *pic, int shared){
pic->motion_subsample_log2= 2;
}else if(s->out_format == FMT_H263 || s->encoding || (s->avctx->debug&FF_DEBUG_MV) || (s->avctx->debug_mv)){
for(i=0; i<2; i++){
CHECKED_ALLOCZ(pic->motion_val_base[i], 2 * (b8_array_size+2) * sizeof(int16_t)*2) //FIXME
CHECKED_ALLOCZ(pic->motion_val_base[i], 2 * (b8_array_size+2) * sizeof(int16_t))
pic->motion_val[i]= pic->motion_val_base[i]+2;
}
pic->motion_subsample_log2= 3;
@ -591,12 +605,12 @@ int MPV_common_init(MpegEncContext *s)
s->block_wrap[0]=
s->block_wrap[1]=
s->block_wrap[2]=
s->block_wrap[3]= s->mb_width*2 + 2;
s->block_wrap[3]= s->b8_stride;
s->block_wrap[4]=
s->block_wrap[5]= s->mb_width + 2;
s->block_wrap[5]= s->mb_stride;
y_size = (2 * s->mb_width + 2) * (2 * s->mb_height + 2);
c_size = (s->mb_width + 2) * (s->mb_height + 2);
y_size = s->b8_stride * (2 * s->mb_height + 1);
c_size = s->mb_stride * (s->mb_height + 1);
yc_size = y_size + 2 * c_size;
/* convert fourcc to upper case */
@ -678,12 +692,14 @@ int MPV_common_init(MpegEncContext *s)
}
if (s->out_format == FMT_H263) {
/* ac values */
CHECKED_ALLOCZ(s->ac_val[0], yc_size * sizeof(int16_t) * 16);
s->ac_val[1] = s->ac_val[0] + y_size;
CHECKED_ALLOCZ(s->ac_val_base, yc_size * sizeof(int16_t) * 16);
s->ac_val[0] = s->ac_val_base + s->b8_stride + 1;
s->ac_val[1] = s->ac_val_base + y_size + s->mb_stride + 1;
s->ac_val[2] = s->ac_val[1] + c_size;
/* cbp values */
CHECKED_ALLOCZ(s->coded_block, y_size);
CHECKED_ALLOCZ(s->coded_block_base, y_size);
s->coded_block= s->coded_block_base + s->b8_stride + 1;
/* divx501 bitstream reorder buffer */
CHECKED_ALLOCZ(s->bitstream_buffer, BITSTREAM_BUFFER_SIZE);
@ -696,11 +712,12 @@ int MPV_common_init(MpegEncContext *s)
if (s->h263_pred || s->h263_plus || !s->encoding) {
/* dc values */
//MN: we need these for error resilience of intra-frames
CHECKED_ALLOCZ(s->dc_val[0], yc_size * sizeof(int16_t));
s->dc_val[1] = s->dc_val[0] + y_size;
CHECKED_ALLOCZ(s->dc_val_base, yc_size * sizeof(int16_t));
s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
s->dc_val[2] = s->dc_val[1] + c_size;
for(i=0;i<yc_size;i++)
s->dc_val[0][i] = 1024;
s->dc_val_base[i] = 1024;
}
/* which mb is a intra block */
@ -781,9 +798,9 @@ void MPV_common_end(MpegEncContext *s)
av_freep(&s->p_field_select_table[i]);
}
av_freep(&s->dc_val[0]);
av_freep(&s->ac_val[0]);
av_freep(&s->coded_block);
av_freep(&s->dc_val_base);
av_freep(&s->ac_val_base);
av_freep(&s->coded_block_base);
av_freep(&s->mbintra_table);
av_freep(&s->cbp_table);
av_freep(&s->pred_dir_table);
@ -1684,12 +1701,13 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
if(!USES_LIST(pict->mb_type[mb_index], direction))
continue;
//FIXME for h264
if(IS_8X8(pict->mb_type[mb_index])){
int i;
for(i=0; i<4; i++){
int sx= mb_x*16 + 4 + 8*(i&1);
int sy= mb_y*16 + 4 + 8*(i>>1);
int xy= 1 + mb_x*2 + (i&1) + (mb_y*2 + 1 + (i>>1))*(s->mb_width*2 + 2);
int xy= mb_x*2 + (i&1) + (mb_y*2 + (i>>1))*s->b8_stride;
int mx= (pict->motion_val[direction][xy][0]>>shift) + sx;
int my= (pict->motion_val[direction][xy][1]>>shift) + sy;
draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
@ -1699,7 +1717,7 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
for(i=0; i<2; i++){
int sx=mb_x*16 + 8;
int sy=mb_y*16 + 4 + 8*i;
int xy=1 + mb_x*2 + (mb_y*2 + 1 + i)*(s->mb_width*2 + 2);
int xy= mb_x*2 + (mb_y*2 + i)*s->b8_stride;
int mx=(pict->motion_val[direction][xy][0]>>shift) + sx;
int my=(pict->motion_val[direction][xy][1]>>shift) + sy;
draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
@ -1707,7 +1725,7 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
}else{
int sx= mb_x*16 + 8;
int sy= mb_y*16 + 8;
int xy= 1 + mb_x*2 + (mb_y*2 + 1)*(s->mb_width*2 + 2);
int xy= mb_x*2 + mb_y*2*s->b8_stride;
int mx= (pict->motion_val[direction][xy][0]>>shift) + sx;
int my= (pict->motion_val[direction][xy][1]>>shift) + sy;
draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
@ -1884,7 +1902,7 @@ static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
}
}
}
copy_picture_attributes(pic, pic_arg);
copy_picture_attributes(s, pic, pic_arg);
pic->display_picture_number= s->input_picture_number++;
if(pic->pts != AV_NOPTS_VALUE){
@ -2013,7 +2031,7 @@ static void select_input_picture(MpegEncContext *s){
s->reordered_input_picture[0]->data[i]= NULL;
s->reordered_input_picture[0]->type= 0;
copy_picture_attributes((AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
pic->reference = s->reordered_input_picture[0]->reference;
alloc_picture(s, pic, 0);
@ -2746,8 +2764,8 @@ static inline void MPV_motion(MpegEncContext *s,
if(s->obmc && s->pict_type != B_TYPE){
int16_t mv_cache[4][4][2];
const int xy= s->mb_x + s->mb_y*s->mb_stride;
const int mot_stride= s->mb_width*2 + 2;
const int mot_xy= 1 + mb_x*2 + (mb_y*2 + 1)*mot_stride;
const int mot_stride= s->b8_stride;
const int mot_xy= mb_x*2 + mb_y*2*mot_stride;
assert(!s->mb_skiped);
@ -3003,7 +3021,7 @@ static inline void add_dequant_dct(MpegEncContext *s,
*/
void ff_clean_intra_table_entries(MpegEncContext *s)
{
int wrap = s->block_wrap[0];
int wrap = s->b8_stride;
int xy = s->block_index[0];
s->dc_val[0][xy ] =
@ -3020,15 +3038,15 @@ void ff_clean_intra_table_entries(MpegEncContext *s)
s->coded_block[xy + 1 + wrap] = 0;
}
/* chroma */
wrap = s->block_wrap[4];
xy = s->mb_x + 1 + (s->mb_y + 1) * wrap;
wrap = s->mb_stride;
xy = s->mb_x + s->mb_y * wrap;
s->dc_val[1][xy] =
s->dc_val[2][xy] = 1024;
/* ac pred */
memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t));
memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t));
s->mbintra_table[s->mb_x + s->mb_y*s->mb_stride]= 0;
s->mbintra_table[xy]= 0;
}
/* generic function called after a macroblock has been parsed by the
@ -3348,12 +3366,12 @@ void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename
const int linesize= s->current_picture.linesize[0]; //not s->linesize as this woulnd be wrong for field pics
const int uvlinesize= s->current_picture.linesize[1];
s->block_index[0]= s->block_wrap[0]*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
s->block_index[1]= s->block_wrap[0]*(s->mb_y*2 + 1) + s->mb_x*2;
s->block_index[2]= s->block_wrap[0]*(s->mb_y*2 + 2) - 1 + s->mb_x*2;
s->block_index[3]= s->block_wrap[0]*(s->mb_y*2 + 2) + s->mb_x*2;
s->block_index[4]= s->block_wrap[4]*(s->mb_y + 1) + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
s->block_index[5]= s->block_wrap[4]*(s->mb_y + 1 + s->mb_height + 2) + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
s->block_index[0]= s->b8_stride*(s->mb_y*2 ) - 2 + s->mb_x*2;
s->block_index[1]= s->b8_stride*(s->mb_y*2 ) - 1 + s->mb_x*2;
s->block_index[2]= s->b8_stride*(s->mb_y*2 + 1) - 2 + s->mb_x*2;
s->block_index[3]= s->b8_stride*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
s->block_index[4]= s->mb_stride*(s->mb_y + 1) + s->b8_stride*s->mb_height*2 + s->mb_x - 1;
s->block_index[5]= s->mb_stride*(s->mb_y + s->mb_height + 2) + s->b8_stride*s->mb_height*2 + s->mb_x - 1;
if(s->pict_type==B_TYPE && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME){
s->dest[0] = s->current_picture.data[0] + s->mb_x * 16 - 16;

5
libavcodec/mpegvideo.h
Unescape View File

@ -321,13 +321,16 @@ typedef struct MpegEncContext {
Picture *current_picture_ptr; ///< pointer to the current picture
uint8_t *visualization_buffer[3]; //< temporary buffer vor MV visualization
int last_dc[3]; ///< last DC values for MPEG1
int16_t *dc_val_base;
int16_t *dc_val[3]; ///< used for mpeg4 DC prediction, all 3 arrays must be continuous
int16_t dc_cache[4*5];
int y_dc_scale, c_dc_scale;
uint8_t *y_dc_scale_table; ///< qscale -> y_dc_scale table
uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table
const uint8_t *chroma_qscale_table; ///< qscale -> chroma_qscale (h263)
uint8_t *coded_block_base;
uint8_t *coded_block; ///< used for coded block pattern prediction (msmpeg4v3, wmv1)
int16_t (*ac_val_base)[16];
int16_t (*ac_val[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous
int ac_pred;
uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip
@ -857,7 +860,7 @@ void mpeg4_encode_mb(MpegEncContext *s,
void h263_encode_picture_header(MpegEncContext *s, int picture_number);
void ff_flv_encode_picture_header(MpegEncContext *s, int picture_number);
void h263_encode_gob_header(MpegEncContext * s, int mb_line);
int16_t *h263_pred_motion(MpegEncContext * s, int block,
int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir,
int *px, int *py);
void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
int dir);

10
libavcodec/msmpeg4.c
Unescape View File

@ -449,7 +449,7 @@ static inline int coded_block_pred(MpegEncContext * s, int n, uint8_t **coded_bl
int xy, wrap, pred, a, b, c;
xy = s->block_index[n];
wrap = s->block_wrap[0];
wrap = s->b8_stride;
/* B C
* A X
@ -567,7 +567,7 @@ void msmpeg4_encode_mb(MpegEncContext * s,
s->misc_bits += get_bits_diff(s);
h263_pred_motion(s, 0, &pred_x, &pred_y);
h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
msmpeg4v2_encode_motion(s, motion_x - pred_x);
msmpeg4v2_encode_motion(s, motion_y - pred_y);
}else{
@ -578,7 +578,7 @@ void msmpeg4_encode_mb(MpegEncContext * s,
s->misc_bits += get_bits_diff(s);
/* motion vector */
h263_pred_motion(s, 0, &pred_x, &pred_y);
h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
msmpeg4_encode_motion(s, motion_x - pred_x,
motion_y - pred_y);
}
@ -1549,7 +1549,7 @@ static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
cbp|= cbpy<<2;
if(s->msmpeg4_version==1 || (cbp&3) != 3) cbp^= 0x3C;
h263_pred_motion(s, 0, &mx, &my);
h263_pred_motion(s, 0, 0, &mx, &my);
mx= msmpeg4v2_decode_motion(s, mx, 1);
my= msmpeg4v2_decode_motion(s, my, 1);
@ -1637,7 +1637,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
s->rl_chroma_table_index = s->rl_table_index;
}
set_stat(ST_MV);
h263_pred_motion(s, 0, &mx, &my);
h263_pred_motion(s, 0, 0, &mx, &my);
if (msmpeg4_decode_motion(s, &mx, &my) < 0)
return -1;
s->mv_dir = MV_DIR_FORWARD;

12
libavcodec/rv10.c
Unescape View File

@ -564,10 +564,6 @@ static int rv10_decode_packet(AVCodecContext *avctx,
return -1;
}
if(s->pict_type == B_TYPE){ //FIXME remove after cleaning mottion_val indexing
memset(s->current_picture.motion_val[0], 0, sizeof(int16_t)*2*(s->mb_width*2+2)*(s->mb_height*2+2));
}
#ifdef DEBUG
printf("qscale=%d\n", s->qscale);
#endif
@ -600,9 +596,9 @@ static int rv10_decode_packet(AVCodecContext *avctx,
s->block_wrap[0]=
s->block_wrap[1]=
s->block_wrap[2]=
s->block_wrap[3]= s->mb_width*2 + 2;
s->block_wrap[3]= s->b8_stride;
s->block_wrap[4]=
s->block_wrap[5]= s->mb_width + 2;
s->block_wrap[5]= s->mb_stride;
ff_init_block_index(s);
/* decode each macroblock */
@ -677,10 +673,6 @@ static int rv10_decode_frame(AVCodecContext *avctx,
return -1;
}
if(s->pict_type == B_TYPE){ //FIXME remove after cleaning mottion_val indexing
memset(s->current_picture.motion_val[0], 0, sizeof(int16_t)*2*(s->mb_width*2+2)*(s->mb_height*2+2));
}
if(s->mb_y>=s->mb_height){
MPV_frame_end(s);

4
libavcodec/wmv2.c
Unescape View File

@ -216,7 +216,7 @@ void ff_wmv2_encode_mb(MpegEncContext * s,
wmv2_inter_table[w->cbp_table_index][cbp + 64][0]);
/* motion vector */
h263_pred_motion(s, 0, &pred_x, &pred_y);
h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
msmpeg4_encode_motion(s, motion_x - pred_x,
motion_y - pred_y);
} else {
@ -504,7 +504,7 @@ static int16_t *wmv2_pred_motion(Wmv2Context *w, int *px, int *py){
int xy, wrap, diff, type;
int16_t *A, *B, *C, *mot_val;
wrap = s->block_wrap[0];
wrap = s->b8_stride;
xy = s->block_index[0];
mot_val = s->current_picture.motion_val[0][xy];

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