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author | Janne Grunau <janne-libav@jannau.net> | 2011-10-05 09:29:38 +0200 |
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committer | Mans Rullgard <mans@mansr.com> | 2011-11-30 20:54:59 +0000 |
commit | bb8a6e03cc641035b3fd4dc7c8c77f2dc92b41d5 (patch) | |
tree | 5d8346a0fc81094148d85efeba351daf3662fb5c /libavcodec/rv40.c | |
parent | c3f9ebf74371b63fba0e7491e61904bbd165cd0f (diff) | |
download | android_external_ffmpeg-bb8a6e03cc641035b3fd4dc7c8c77f2dc92b41d5.tar.gz android_external_ffmpeg-bb8a6e03cc641035b3fd4dc7c8c77f2dc92b41d5.tar.bz2 android_external_ffmpeg-bb8a6e03cc641035b3fd4dc7c8c77f2dc92b41d5.zip |
rv40: move loop filter to rv34dsp context
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/rv40.c')
-rw-r--r-- | libavcodec/rv40.c | 158 |
1 files changed, 8 insertions, 150 deletions
diff --git a/libavcodec/rv40.c b/libavcodec/rv40.c index 7f6c8dfcb4..3216e838ef 100644 --- a/libavcodec/rv40.c +++ b/libavcodec/rv40.c @@ -271,148 +271,6 @@ static int rv40_decode_mb_info(RV34DecContext *r) return 0; } -#define CLIP_SYMM(a, b) av_clip(a, -(b), b) -/** - * weaker deblocking very similar to the one described in 4.4.2 of JVT-A003r1 - */ -static inline void rv40_weak_loop_filter(uint8_t *src, const int step, - const int filter_p1, const int filter_q1, - const int alpha, const int beta, - const int lim_p0q0, - const int lim_q1, const int lim_p1, - const int diff_p1p0, const int diff_q1q0, - const int diff_p1p2, const int diff_q1q2) -{ - uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; - int t, u, diff; - - t = src[0*step] - src[-1*step]; - if(!t) - return; - u = (alpha * FFABS(t)) >> 7; - if(u > 3 - (filter_p1 && filter_q1)) - return; - - t <<= 2; - if(filter_p1 && filter_q1) - t += src[-2*step] - src[1*step]; - diff = CLIP_SYMM((t + 4) >> 3, lim_p0q0); - src[-1*step] = cm[src[-1*step] + diff]; - src[ 0*step] = cm[src[ 0*step] - diff]; - if(FFABS(diff_p1p2) <= beta && filter_p1){ - t = (diff_p1p0 + diff_p1p2 - diff) >> 1; - src[-2*step] = cm[src[-2*step] - CLIP_SYMM(t, lim_p1)]; - } - if(FFABS(diff_q1q2) <= beta && filter_q1){ - t = (diff_q1q0 + diff_q1q2 + diff) >> 1; - src[ 1*step] = cm[src[ 1*step] - CLIP_SYMM(t, lim_q1)]; - } -} - -static av_always_inline void rv40_adaptive_loop_filter(uint8_t *src, const int step, - const int stride, const int dmode, - const int lim_q1, const int lim_p1, - const int alpha, - const int beta, const int beta2, - const int chroma, const int edge) -{ - int diff_p1p0[4], diff_q1q0[4], diff_p1p2[4], diff_q1q2[4]; - int sum_p1p0 = 0, sum_q1q0 = 0, sum_p1p2 = 0, sum_q1q2 = 0; - uint8_t *ptr; - int flag_strong0 = 1, flag_strong1 = 1; - int filter_p1, filter_q1; - int i; - int lims; - - for(i = 0, ptr = src; i < 4; i++, ptr += stride){ - diff_p1p0[i] = ptr[-2*step] - ptr[-1*step]; - diff_q1q0[i] = ptr[ 1*step] - ptr[ 0*step]; - sum_p1p0 += diff_p1p0[i]; - sum_q1q0 += diff_q1q0[i]; - } - filter_p1 = FFABS(sum_p1p0) < (beta<<2); - filter_q1 = FFABS(sum_q1q0) < (beta<<2); - if(!filter_p1 && !filter_q1) - return; - - for(i = 0, ptr = src; i < 4; i++, ptr += stride){ - diff_p1p2[i] = ptr[-2*step] - ptr[-3*step]; - diff_q1q2[i] = ptr[ 1*step] - ptr[ 2*step]; - sum_p1p2 += diff_p1p2[i]; - sum_q1q2 += diff_q1q2[i]; - } - - if(edge){ - flag_strong0 = filter_p1 && (FFABS(sum_p1p2) < beta2); - flag_strong1 = filter_q1 && (FFABS(sum_q1q2) < beta2); - }else{ - flag_strong0 = flag_strong1 = 0; - } - - lims = filter_p1 + filter_q1 + ((lim_q1 + lim_p1) >> 1) + 1; - if(flag_strong0 && flag_strong1){ /* strong filtering */ - for(i = 0; i < 4; i++, src += stride){ - int sflag, p0, q0, p1, q1; - int t = src[0*step] - src[-1*step]; - - if(!t) continue; - sflag = (alpha * FFABS(t)) >> 7; - if(sflag > 1) continue; - - p0 = (25*src[-3*step] + 26*src[-2*step] - + 26*src[-1*step] - + 26*src[ 0*step] + 25*src[ 1*step] + rv40_dither_l[dmode + i]) >> 7; - q0 = (25*src[-2*step] + 26*src[-1*step] - + 26*src[ 0*step] - + 26*src[ 1*step] + 25*src[ 2*step] + rv40_dither_r[dmode + i]) >> 7; - if(sflag){ - p0 = av_clip(p0, src[-1*step] - lims, src[-1*step] + lims); - q0 = av_clip(q0, src[ 0*step] - lims, src[ 0*step] + lims); - } - p1 = (25*src[-4*step] + 26*src[-3*step] - + 26*src[-2*step] - + 26*p0 + 25*src[ 0*step] + rv40_dither_l[dmode + i]) >> 7; - q1 = (25*src[-1*step] + 26*q0 - + 26*src[ 1*step] - + 26*src[ 2*step] + 25*src[ 3*step] + rv40_dither_r[dmode + i]) >> 7; - if(sflag){ - p1 = av_clip(p1, src[-2*step] - lims, src[-2*step] + lims); - q1 = av_clip(q1, src[ 1*step] - lims, src[ 1*step] + lims); - } - src[-2*step] = p1; - src[-1*step] = p0; - src[ 0*step] = q0; - src[ 1*step] = q1; - if(!chroma){ - src[-3*step] = (25*src[-1*step] + 26*src[-2*step] + 51*src[-3*step] + 26*src[-4*step] + 64) >> 7; - src[ 2*step] = (25*src[ 0*step] + 26*src[ 1*step] + 51*src[ 2*step] + 26*src[ 3*step] + 64) >> 7; - } - } - }else if(filter_p1 && filter_q1){ - for(i = 0; i < 4; i++, src += stride) - rv40_weak_loop_filter(src, step, 1, 1, alpha, beta, lims, lim_q1, lim_p1, - diff_p1p0[i], diff_q1q0[i], diff_p1p2[i], diff_q1q2[i]); - }else{ - for(i = 0; i < 4; i++, src += stride) - rv40_weak_loop_filter(src, step, filter_p1, filter_q1, - alpha, beta, lims>>1, lim_q1>>1, lim_p1>>1, - diff_p1p0[i], diff_q1q0[i], diff_p1p2[i], diff_q1q2[i]); - } -} - -static void rv40_v_loop_filter(uint8_t *src, int stride, int dmode, - int lim_q1, int lim_p1, - int alpha, int beta, int beta2, int chroma, int edge){ - rv40_adaptive_loop_filter(src, 1, stride, dmode, lim_q1, lim_p1, - alpha, beta, beta2, chroma, edge); -} -static void rv40_h_loop_filter(uint8_t *src, int stride, int dmode, - int lim_q1, int lim_p1, - int alpha, int beta, int beta2, int chroma, int edge){ - rv40_adaptive_loop_filter(src, stride, 1, dmode, lim_q1, lim_p1, - alpha, beta, beta2, chroma, edge); -} - enum RV40BlockPos{ POS_CUR, POS_TOP, @@ -572,7 +430,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row) // if bottom block is coded then we can filter its top edge // (or bottom edge of this block, which is the same) if(y_h_deblock & (MASK_BOTTOM << ij)){ - rv40_h_loop_filter(Y+4*s->linesize, s->linesize, dither, + r->rdsp.rv40_h_loop_filter(Y+4*s->linesize, s->linesize, dither, y_to_deblock & (MASK_BOTTOM << ij) ? clip[POS_CUR] : 0, clip_cur, alpha, beta, betaY, 0, 0); @@ -583,14 +441,14 @@ static void rv40_loop_filter(RV34DecContext *r, int row) 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, + r->rdsp.rv40_v_loop_filter(Y, s->linesize, dither, clip_cur, clip_left, alpha, beta, betaY, 0, 0); } // filter top edge of the current macroblock when filtering strength is high if(!j && y_h_deblock & (MASK_CUR << i) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){ - rv40_h_loop_filter(Y, s->linesize, dither, + r->rdsp.rv40_h_loop_filter(Y, s->linesize, dither, clip_cur, mvmasks[POS_TOP] & (MASK_TOP << i) ? clip[POS_TOP] : 0, alpha, beta, betaY, 0, 1); @@ -598,7 +456,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row) // 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 = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0; - rv40_v_loop_filter(Y, s->linesize, dither, + r->rdsp.rv40_v_loop_filter(Y, s->linesize, dither, clip_cur, clip_left, alpha, beta, betaY, 0, 1); @@ -613,7 +471,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row) int clip_cur = c_to_deblock[k] & (MASK_CUR << ij) ? clip[POS_CUR] : 0; if(c_h_deblock[k] & (MASK_CUR << (ij+2))){ int clip_bot = c_to_deblock[k] & (MASK_CUR << (ij+2)) ? clip[POS_CUR] : 0; - rv40_h_loop_filter(C+4*s->uvlinesize, s->uvlinesize, i*8, + r->rdsp.rv40_h_loop_filter(C+4*s->uvlinesize, s->uvlinesize, i*8, clip_bot, clip_cur, alpha, beta, betaC, 1, 0); @@ -623,21 +481,21 @@ static void rv40_loop_filter(RV34DecContext *r, int row) clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0; else clip_left = c_to_deblock[k] & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0; - rv40_v_loop_filter(C, s->uvlinesize, j*8, + r->rdsp.rv40_v_loop_filter(C, s->uvlinesize, j*8, clip_cur, clip_left, alpha, beta, betaC, 1, 0); } if(!j && c_h_deblock[k] & (MASK_CUR << ij) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){ int clip_top = uvcbp[POS_TOP][k] & (MASK_CUR << (ij+2)) ? clip[POS_TOP] : 0; - rv40_h_loop_filter(C, s->uvlinesize, i*8, + r->rdsp.rv40_h_loop_filter(C, s->uvlinesize, i*8, clip_cur, clip_top, alpha, beta, betaC, 1, 1); } if(c_v_deblock[k] & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){ clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0; - rv40_v_loop_filter(C, s->uvlinesize, j*8, + r->rdsp.rv40_v_loop_filter(C, s->uvlinesize, j*8, clip_cur, clip_left, alpha, beta, betaC, 1, 1); |