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Merge deblocking pattern with CBP for RV30/40 loop filtering

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Originally committed as revision 16192 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2008-12-17 20:00:48 +00:00
parent 26bc319c1d
commit 6c3fca6479
2 changed files with 7 additions and 9 deletions
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4
libavcodec/rv34.c
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@ -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
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,