Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge deblocking pattern with CBP for RV30/40 loop filtering

Browse Source 
Originally committed as revision 16192 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Kostya Shishkov 16 years ago
parent 26bc319c1d
commit 6c3fca6479
2 changed files with 7 additions and 9 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 4
      libavcodec/rv34.c
  2. 12
      libavcodec/rv40.c

4
libavcodec/rv34.c
Unescape View File

@ -1151,9 +1151,9 @@ static int rv34_decode_macroblock(RV34DecContext *r, int8_t *intra_types)
r->cbp_luma [s->mb_x + s->mb_y * s->mb_stride] = cbp;
r->cbp_chroma[s->mb_x + s->mb_y * s->mb_stride] = cbp >> 16;
if(s->pict_type == FF_I_TYPE)
r->deblock_coefs[mb_pos] = 0;
r->deblock_coefs[mb_pos] = 0xFFFF;
else
r->deblock_coefs[mb_pos] = rv34_set_deblock_coef(r);
r->deblock_coefs[mb_pos] = rv34_set_deblock_coef(r) | r->cbp_luma[mb_pos];
s->current_picture_ptr->qscale_table[s->mb_x + s->mb_y * s->mb_stride] = s->qscale;
if(cbp == -1)

12
libavcodec/rv40.c
Unescape View File

@ -453,7 +453,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
for(mb_x = 0; mb_x < s->mb_width; mb_x++, mb_pos++){
int mbtype = s->current_picture_ptr->mb_type[mb_pos];
if(IS_INTRA(mbtype) || IS_SEPARATE_DC(mbtype))
r->cbp_luma [mb_pos] = 0xFFFF;
r->cbp_luma [mb_pos] = r->deblock_coefs[mb_pos] = 0xFFFF;
if(IS_INTRA(mbtype))
r->cbp_chroma[mb_pos] = 0xFF;
}
@ -493,9 +493,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
mb_strong[i] = IS_INTRA(mbtype[i]) || IS_SEPARATE_DC(mbtype[i]);
clip[i] = rv40_filter_clip_tbl[mb_strong[i] + 1][q];
}
y_to_deblock = cbp[POS_CUR]
| (cbp[POS_BOTTOM] << 16)
| mvmasks[POS_CUR]
y_to_deblock = mvmasks[POS_CUR]
| (mvmasks[POS_BOTTOM] << 16);
/* This pattern contains bits signalling that horizontal edges of
* the current block can be filtered.
@ -558,7 +556,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
// filter left block edge in ordinary mode (with low filtering strength)
if(y_v_deblock & (MASK_CUR << ij) && (i || !(mb_strong[POS_CUR] || mb_strong[POS_LEFT]))){
if(!i)
clip_left = (cbp[POS_LEFT] | mvmasks[POS_LEFT]) & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
else
clip_left = y_to_deblock & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0;
rv40_v_loop_filter(Y, s->linesize, dither,
@ -570,12 +568,12 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
if(!j && y_h_deblock & (MASK_CUR << i) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){
rv40_h_loop_filter(Y, s->linesize, dither,
clip_cur,
(cbp[POS_TOP] | mvmasks[POS_TOP]) & (MASK_TOP << i) ? clip[POS_TOP] : 0,
mvmasks[POS_TOP] & (MASK_TOP << i) ? clip[POS_TOP] : 0,
alpha, beta, betaY, 0, 1);
}
// filter left block edge in edge mode (with high filtering strength)
if(y_v_deblock & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){
clip_left = (cbp[POS_LEFT] | mvmasks[POS_LEFT]) & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
rv40_v_loop_filter(Y, s->linesize, dither,
clip_cur,
clip_left,

Write Preview
Loading…
Cancel
Save