/**
* filter strength adjustment for the following macroblock modes:
- * [0] - i4x4
- * [1] - zero mv
- * [2] - inter modes except for zero or split mv
- * [3] - split mv
+ * [0-3] - i16x16 (always zero)
+ * [4] - i4x4
+ * [5] - zero mv
+ * [6] - inter modes except for zero or split mv
+ * [7] - split mv
* i16x16 modes never have any adjustment
*/
- int8_t mode[4];
+ int8_t mode[VP8_MVMODE_SPLIT+1];
/**
* filter strength adjustment for macroblocks that reference:
for (i = 0; i < 4; i++)
s->lf_delta.ref[i] = vp8_rac_get_sint(c, 6);
- for (i = 0; i < 4; i++)
+ for (i = MODE_I4x4; i <= VP8_MVMODE_SPLIT; i++)
s->lf_delta.mode[i] = vp8_rac_get_sint(c, 6);
}
((s->mb_height - 1 - mb_y) << 6) + MARGIN);
}
-static av_always_inline
-void find_near_mvs(VP8Context *s, VP8Macroblock *mb,
- VP56mv near[2], VP56mv *best, uint8_t cnt[4])
-{
- VP8Macroblock *mb_edge[3] = { mb + 2 /* top */,
- mb - 1 /* left */,
- mb + 1 /* top-left */ };
- enum { EDGE_TOP, EDGE_LEFT, EDGE_TOPLEFT };
- VP56mv near_mv[4] = {{ 0 }};
- enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV };
- int idx = CNT_ZERO;
- int best_idx = CNT_ZERO;
- int cur_sign_bias = s->sign_bias[mb->ref_frame];
- int *sign_bias = s->sign_bias;
-
- /* Process MB on top, left and top-left */
- #define MV_EDGE_CHECK(n)\
- {\
- VP8Macroblock *edge = mb_edge[n];\
- int edge_ref = edge->ref_frame;\
- if (edge_ref != VP56_FRAME_CURRENT) {\
- uint32_t mv = AV_RN32A(&edge->mv);\
- if (mv) {\
- if (cur_sign_bias != sign_bias[edge_ref]) {\
- /* SWAR negate of the values in mv. */\
- mv = ~mv;\
- mv = ((mv&0x7fff7fff) + 0x00010001) ^ (mv&0x80008000);\
- }\
- if (!n || mv != AV_RN32A(&near_mv[idx]))\
- AV_WN32A(&near_mv[++idx], mv);\
- cnt[idx] += 1 + (n != 2);\
- } else\
- cnt[CNT_ZERO] += 1 + (n != 2);\
- }\
- }
- MV_EDGE_CHECK(0)
- MV_EDGE_CHECK(1)
- MV_EDGE_CHECK(2)
-
- /* If we have three distinct MVs, merge first and last if they're the same */
- if (cnt[CNT_SPLITMV] && AV_RN32A(&near_mv[1+EDGE_TOP]) == AV_RN32A(&near_mv[1+EDGE_TOPLEFT]))
- cnt[CNT_NEAREST] += 1;
-
- cnt[CNT_SPLITMV] = ((mb_edge[EDGE_LEFT]->mode == VP8_MVMODE_SPLIT) +
- (mb_edge[EDGE_TOP]->mode == VP8_MVMODE_SPLIT)) * 2 +
- (mb_edge[EDGE_TOPLEFT]->mode == VP8_MVMODE_SPLIT);
-
- /* Swap near and nearest if necessary */
- if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) {
- FFSWAP(uint8_t, cnt[CNT_NEAREST], cnt[CNT_NEAR]);
- FFSWAP( VP56mv, near_mv[CNT_NEAREST], near_mv[CNT_NEAR]);
- }
-
- /* Choose the best mv out of 0,0 and the nearest mv */
- if (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])
- best_idx = CNT_NEAREST;
-
- mb->mv = near_mv[best_idx];
- near[0] = near_mv[CNT_NEAREST];
- near[1] = near_mv[CNT_NEAR];
-}
-
/**
* Motion vector coding, 17.1.
*/
return num;
}
+static av_always_inline
+void decode_mvs(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y)
+{
+ VP8Macroblock *mb_edge[3] = { mb + 2 /* top */,
+ mb - 1 /* left */,
+ mb + 1 /* top-left */ };
+ enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV };
+ enum { EDGE_TOP, EDGE_LEFT, EDGE_TOPLEFT };
+ int idx = CNT_ZERO;
+ int cur_sign_bias = s->sign_bias[mb->ref_frame];
+ int *sign_bias = s->sign_bias;
+ VP56mv near_mv[4];
+ uint8_t cnt[4] = { 0 };
+ VP56RangeCoder *c = &s->c;
+
+ AV_ZERO32(&near_mv[0]);
+ AV_ZERO32(&near_mv[1]);
+ AV_ZERO32(&near_mv[2]);
+
+ /* Process MB on top, left and top-left */
+ #define MV_EDGE_CHECK(n)\
+ {\
+ VP8Macroblock *edge = mb_edge[n];\
+ int edge_ref = edge->ref_frame;\
+ if (edge_ref != VP56_FRAME_CURRENT) {\
+ uint32_t mv = AV_RN32A(&edge->mv);\
+ if (mv) {\
+ if (cur_sign_bias != sign_bias[edge_ref]) {\
+ /* SWAR negate of the values in mv. */\
+ mv = ~mv;\
+ mv = ((mv&0x7fff7fff) + 0x00010001) ^ (mv&0x80008000);\
+ }\
+ if (!n || mv != AV_RN32A(&near_mv[idx]))\
+ AV_WN32A(&near_mv[++idx], mv);\
+ cnt[idx] += 1 + (n != 2);\
+ } else\
+ cnt[CNT_ZERO] += 1 + (n != 2);\
+ }\
+ }
+
+ MV_EDGE_CHECK(0)
+ MV_EDGE_CHECK(1)
+ MV_EDGE_CHECK(2)
+
+ mb->partitioning = VP8_SPLITMVMODE_NONE;
+ if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_ZERO]][0])) {
+ mb->mode = VP8_MVMODE_MV;
+
+ /* If we have three distinct MVs, merge first and last if they're the same */
+ if (cnt[CNT_SPLITMV] && AV_RN32A(&near_mv[1+EDGE_TOP]) == AV_RN32A(&near_mv[1+EDGE_TOPLEFT]))
+ cnt[CNT_NEAREST] += 1;
+
+ /* Swap near and nearest if necessary */
+ if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) {
+ FFSWAP(uint8_t, cnt[CNT_NEAREST], cnt[CNT_NEAR]);
+ FFSWAP( VP56mv, near_mv[CNT_NEAREST], near_mv[CNT_NEAR]);
+ }
+
+ if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAREST]][1])) {
+ if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAR]][2])) {
+
+ /* Choose the best mv out of 0,0 and the nearest mv */
+ clamp_mv(s, &mb->mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])], mb_x, mb_y);
+ cnt[CNT_SPLITMV] = ((mb_edge[EDGE_LEFT]->mode == VP8_MVMODE_SPLIT) +
+ (mb_edge[EDGE_TOP]->mode == VP8_MVMODE_SPLIT)) * 2 +
+ (mb_edge[EDGE_TOPLEFT]->mode == VP8_MVMODE_SPLIT);
+
+ if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_SPLITMV]][3])) {
+ mb->mode = VP8_MVMODE_SPLIT;
+ mb->mv = mb->bmv[decode_splitmvs(s, c, mb) - 1];
+ } else {
+ mb->mv.y += read_mv_component(c, s->prob->mvc[0]);
+ mb->mv.x += read_mv_component(c, s->prob->mvc[1]);
+ mb->bmv[0] = mb->mv;
+ }
+ } else {
+ clamp_mv(s, &mb->mv, &near_mv[CNT_NEAR], mb_x, mb_y);
+ mb->bmv[0] = mb->mv;
+ }
+ } else {
+ clamp_mv(s, &mb->mv, &near_mv[CNT_NEAREST], mb_x, mb_y);
+ mb->bmv[0] = mb->mv;
+ }
+ } else {
+ mb->mode = VP8_MVMODE_ZERO;
+ AV_ZERO32(&mb->mv);
+ mb->bmv[0] = mb->mv;
+ }
+}
+
static av_always_inline
void decode_intra4x4_modes(VP8Context *s, VP56RangeCoder *c,
int mb_x, int keyframe)
s->chroma_pred_mode = vp8_rac_get_tree(c, vp8_pred8x8c_tree, vp8_pred8x8c_prob_intra);
mb->ref_frame = VP56_FRAME_CURRENT;
} else if (vp56_rac_get_prob_branchy(c, s->prob->intra)) {
- VP56mv near[2], best;
- uint8_t cnt[4] = { 0 };
-
// inter MB, 16.2
if (vp56_rac_get_prob_branchy(c, s->prob->last))
mb->ref_frame = vp56_rac_get_prob(c, s->prob->golden) ?
s->ref_count[mb->ref_frame-1]++;
// motion vectors, 16.3
- find_near_mvs(s, mb, near, &best, cnt);
- if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[0]][0])) {
- if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[1]][1])) {
- if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[2]][2])) {
- if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[3]][3])) {
- mb->mode = VP8_MVMODE_SPLIT;
- clamp_mv(s, &mb->mv, &mb->mv, mb_x, mb_y);
- mb->mv = mb->bmv[decode_splitmvs(s, c, mb) - 1];
- } else {
- mb->mode = VP8_MVMODE_NEW;
- clamp_mv(s, &mb->mv, &mb->mv, mb_x, mb_y);
- mb->mv.y += read_mv_component(c, s->prob->mvc[0]);
- mb->mv.x += read_mv_component(c, s->prob->mvc[1]);
- }
- } else {
- mb->mode = VP8_MVMODE_NEAR;
- clamp_mv(s, &mb->mv, &near[1], mb_x, mb_y);
- }
- } else {
- mb->mode = VP8_MVMODE_NEAREST;
- clamp_mv(s, &mb->mv, &near[0], mb_x, mb_y);
- }
- } else {
- mb->mode = VP8_MVMODE_ZERO;
- AV_ZERO32(&mb->mv);
- }
- if (mb->mode != VP8_MVMODE_SPLIT) {
- mb->partitioning = VP8_SPLITMVMODE_NONE;
- mb->bmv[0] = mb->mv;
- }
+ decode_mvs(s, mb, mb_x, mb_y);
} else {
// intra MB, 16.1
mb->mode = vp8_rac_get_tree(c, vp8_pred16x16_tree_inter, s->prob->pred16x16);
s->filter.simple, 0);
}
+static const uint8_t subpel_idx[3][8] = {
+ { 0, 1, 2, 1, 2, 1, 2, 1 }, // nr. of left extra pixels,
+ // also function pointer index
+ { 0, 3, 5, 3, 5, 3, 5, 3 }, // nr. of extra pixels required
+ { 0, 2, 3, 2, 3, 2, 3, 2 }, // nr. of right extra pixels
+};
+
/**
* Generic MC function.
*
* @param mc_func motion compensation function pointers (bilinear or sixtap MC)
*/
static av_always_inline
-void vp8_mc(VP8Context *s, int luma,
- uint8_t *dst, uint8_t *src, const VP56mv *mv,
- int x_off, int y_off, int block_w, int block_h,
- int width, int height, int linesize,
- vp8_mc_func mc_func[3][3])
+void vp8_mc_luma(VP8Context *s, uint8_t *dst, uint8_t *src, const VP56mv *mv,
+ int x_off, int y_off, int block_w, int block_h,
+ int width, int height, int linesize,
+ vp8_mc_func mc_func[3][3])
{
if (AV_RN32A(mv)) {
- static const uint8_t idx[3][8] = {
- { 0, 1, 2, 1, 2, 1, 2, 1 }, // nr. of left extra pixels,
- // also function pointer index
- { 0, 3, 5, 3, 5, 3, 5, 3 }, // nr. of extra pixels required
- { 0, 2, 3, 2, 3, 2, 3, 2 }, // nr. of right extra pixels
- };
- int mx = (mv->x << luma)&7, mx_idx = idx[0][mx];
- int my = (mv->y << luma)&7, my_idx = idx[0][my];
- x_off += mv->x >> (3 - luma);
- y_off += mv->y >> (3 - luma);
+ int mx = (mv->x << 1)&7, mx_idx = subpel_idx[0][mx];
+ int my = (mv->y << 1)&7, my_idx = subpel_idx[0][my];
+
+ x_off += mv->x >> 2;
+ y_off += mv->y >> 2;
// edge emulation
src += y_off * linesize + x_off;
- if (x_off < mx_idx || x_off >= width - block_w - idx[2][mx] ||
- y_off < my_idx || y_off >= height - block_h - idx[2][my]) {
+ if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
+ y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src - my_idx * linesize - mx_idx, linesize,
- block_w + idx[1][mx], block_h + idx[1][my],
- x_off - mx_idx, y_off - my_idx, width, height);
+ block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ x_off - mx_idx, y_off - my_idx, width, height);
src = s->edge_emu_buffer + mx_idx + linesize * my_idx;
}
mc_func[my_idx][mx_idx](dst, linesize, src, linesize, block_h, mx, my);
mc_func[0][0](dst, linesize, src + y_off * linesize + x_off, linesize, block_h, 0, 0);
}
+static av_always_inline
+void vp8_mc_chroma(VP8Context *s, uint8_t *dst1, uint8_t *dst2, uint8_t *src1,
+ uint8_t *src2, const VP56mv *mv, int x_off, int y_off,
+ int block_w, int block_h, int width, int height, int linesize,
+ vp8_mc_func mc_func[3][3])
+{
+ if (AV_RN32A(mv)) {
+ int mx = mv->x&7, mx_idx = subpel_idx[0][mx];
+ int my = mv->y&7, my_idx = subpel_idx[0][my];
+
+ x_off += mv->x >> 3;
+ y_off += mv->y >> 3;
+
+ // edge emulation
+ src1 += y_off * linesize + x_off;
+ src2 += y_off * linesize + x_off;
+ if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
+ y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
+ s->dsp.emulated_edge_mc(s->edge_emu_buffer, src1 - my_idx * linesize - mx_idx, linesize,
+ block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ x_off - mx_idx, y_off - my_idx, width, height);
+ src1 = s->edge_emu_buffer + mx_idx + linesize * my_idx;
+ mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
+
+ s->dsp.emulated_edge_mc(s->edge_emu_buffer, src2 - my_idx * linesize - mx_idx, linesize,
+ block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ x_off - mx_idx, y_off - my_idx, width, height);
+ src2 = s->edge_emu_buffer + mx_idx + linesize * my_idx;
+ mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
+ } else {
+ mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
+ mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
+ }
+ } else {
+ mc_func[0][0](dst1, linesize, src1 + y_off * linesize + x_off, linesize, block_h, 0, 0);
+ mc_func[0][0](dst2, linesize, src2 + y_off * linesize + x_off, linesize, block_h, 0, 0);
+ }
+}
+
static av_always_inline
void vp8_mc_part(VP8Context *s, uint8_t *dst[3],
AVFrame *ref_frame, int x_off, int y_off,
VP56mv uvmv = *mv;
/* Y */
- vp8_mc(s, 1, dst[0] + by_off * s->linesize + bx_off,
- ref_frame->data[0], mv, x_off + bx_off, y_off + by_off,
- block_w, block_h, width, height, s->linesize,
- s->put_pixels_tab[block_w == 8]);
+ vp8_mc_luma(s, dst[0] + by_off * s->linesize + bx_off,
+ ref_frame->data[0], mv, x_off + bx_off, y_off + by_off,
+ block_w, block_h, width, height, s->linesize,
+ s->put_pixels_tab[block_w == 8]);
/* U/V */
if (s->profile == 3) {
bx_off >>= 1; by_off >>= 1;
width >>= 1; height >>= 1;
block_w >>= 1; block_h >>= 1;
- vp8_mc(s, 0, dst[1] + by_off * s->uvlinesize + bx_off,
- ref_frame->data[1], &uvmv, x_off + bx_off, y_off + by_off,
- block_w, block_h, width, height, s->uvlinesize,
- s->put_pixels_tab[1 + (block_w == 4)]);
- vp8_mc(s, 0, dst[2] + by_off * s->uvlinesize + bx_off,
- ref_frame->data[2], &uvmv, x_off + bx_off, y_off + by_off,
- block_w, block_h, width, height, s->uvlinesize,
- s->put_pixels_tab[1 + (block_w == 4)]);
+ vp8_mc_chroma(s, dst[1] + by_off * s->uvlinesize + bx_off,
+ dst[2] + by_off * s->uvlinesize + bx_off, ref_frame->data[1],
+ ref_frame->data[2], &uvmv, x_off + bx_off, y_off + by_off,
+ block_w, block_h, width, height, s->uvlinesize,
+ s->put_pixels_tab[1 + (block_w == 4)]);
}
/* Fetch pixels for estimated mv 4 macroblocks ahead.
AVFrame *ref = s->framep[mb->ref_frame];
VP56mv *bmv = mb->bmv;
- if (mb->mode < VP8_MVMODE_SPLIT) {
+ switch (mb->partitioning) {
+ case VP8_SPLITMVMODE_NONE:
vp8_mc_part(s, dst, ref, x_off, y_off,
0, 0, 16, 16, width, height, &mb->mv);
- } else switch (mb->partitioning) {
+ break;
case VP8_SPLITMVMODE_4x4: {
int x, y;
VP56mv uvmv;
/* Y */
for (y = 0; y < 4; y++) {
for (x = 0; x < 4; x++) {
- vp8_mc(s, 1, dst[0] + 4*y*s->linesize + x*4,
- ref->data[0], &bmv[4*y + x],
- 4*x + x_off, 4*y + y_off, 4, 4,
- width, height, s->linesize,
- s->put_pixels_tab[2]);
+ vp8_mc_luma(s, dst[0] + 4*y*s->linesize + x*4,
+ ref->data[0], &bmv[4*y + x],
+ 4*x + x_off, 4*y + y_off, 4, 4,
+ width, height, s->linesize,
+ s->put_pixels_tab[2]);
}
}
uvmv.x &= ~7;
uvmv.y &= ~7;
}
- vp8_mc(s, 0, dst[1] + 4*y*s->uvlinesize + x*4,
- ref->data[1], &uvmv,
- 4*x + x_off, 4*y + y_off, 4, 4,
- width, height, s->uvlinesize,
- s->put_pixels_tab[2]);
- vp8_mc(s, 0, dst[2] + 4*y*s->uvlinesize + x*4,
- ref->data[2], &uvmv,
- 4*x + x_off, 4*y + y_off, 4, 4,
- width, height, s->uvlinesize,
- s->put_pixels_tab[2]);
+ vp8_mc_chroma(s, dst[1] + 4*y*s->uvlinesize + x*4,
+ dst[2] + 4*y*s->uvlinesize + x*4,
+ ref->data[1], ref->data[2], &uvmv,
+ 4*x + x_off, 4*y + y_off, 4, 4,
+ width, height, s->uvlinesize,
+ s->put_pixels_tab[2]);
}
}
break;
if (mb->mode != MODE_I4x4) {
uint8_t *y_dst = dst[0];
for (y = 0; y < 4; y++) {
- uint32_t nnz4 = AV_RN32A(s->non_zero_count_cache[y]);
+ uint32_t nnz4 = AV_RL32(s->non_zero_count_cache[y]);
if (nnz4) {
if (nnz4&~0x01010101) {
for (x = 0; x < 4; x++) {
- int nnz = s->non_zero_count_cache[y][x];
- if (nnz) {
- if (nnz == 1)
- s->vp8dsp.vp8_idct_dc_add(y_dst+4*x, s->block[y][x], s->linesize);
- else
- s->vp8dsp.vp8_idct_add(y_dst+4*x, s->block[y][x], s->linesize);
- }
+ if ((uint8_t)nnz4 == 1)
+ s->vp8dsp.vp8_idct_dc_add(y_dst+4*x, s->block[y][x], s->linesize);
+ else if((uint8_t)nnz4 > 1)
+ s->vp8dsp.vp8_idct_add(y_dst+4*x, s->block[y][x], s->linesize);
+ nnz4 >>= 8;
+ if (!nnz4)
+ break;
}
} else {
s->vp8dsp.vp8_idct_dc_add4y(y_dst, s->block[y], s->linesize);
}
for (ch = 0; ch < 2; ch++) {
- uint32_t nnz4 = AV_RN32A(s->non_zero_count_cache[4+ch]);
+ uint32_t nnz4 = AV_RL32(s->non_zero_count_cache[4+ch]);
if (nnz4) {
uint8_t *ch_dst = dst[1+ch];
if (nnz4&~0x01010101) {
for (y = 0; y < 2; y++) {
for (x = 0; x < 2; x++) {
- int nnz = s->non_zero_count_cache[4+ch][(y<<1)+x];
- if (nnz) {
- if (nnz == 1)
- s->vp8dsp.vp8_idct_dc_add(ch_dst+4*x, s->block[4+ch][(y<<1)+x], s->uvlinesize);
- else
- s->vp8dsp.vp8_idct_add(ch_dst+4*x, s->block[4+ch][(y<<1)+x], s->uvlinesize);
- }
+ if ((uint8_t)nnz4 == 1)
+ s->vp8dsp.vp8_idct_dc_add(ch_dst+4*x, s->block[4+ch][(y<<1)+x], s->uvlinesize);
+ else if((uint8_t)nnz4 > 1)
+ s->vp8dsp.vp8_idct_add(ch_dst+4*x, s->block[4+ch][(y<<1)+x], s->uvlinesize);
+ nnz4 >>= 8;
+ if (!nnz4)
+ break;
}
ch_dst += 4*s->uvlinesize;
}
if (s->lf_delta.enabled) {
filter_level += s->lf_delta.ref[mb->ref_frame];
-
- if (mb->ref_frame == VP56_FRAME_CURRENT) {
- if (mb->mode == MODE_I4x4)
- filter_level += s->lf_delta.mode[0];
- } else {
- if (mb->mode == VP8_MVMODE_ZERO)
- filter_level += s->lf_delta.mode[1];
- else if (mb->mode == VP8_MVMODE_SPLIT)
- filter_level += s->lf_delta.mode[3];
- else
- filter_level += s->lf_delta.mode[2];
- }
+ filter_level += s->lf_delta.mode[mb->mode];
}
- filter_level = av_clip(filter_level, 0, 63);
+
+/* Like av_clip for inputs 0 and max, where max is equal to (2^n-1) */
+#define POW2CLIP(x,max) (((x) & ~max) ? (-(x))>>31 & max : (x));
+ filter_level = POW2CLIP(filter_level, 63);
interior_limit = filter_level;
if (s->filter.sharpness) {
- interior_limit >>= s->filter.sharpness > 4 ? 2 : 1;
+ interior_limit >>= (s->filter.sharpness + 3) >> 2;
interior_limit = FFMIN(interior_limit, 9 - s->filter.sharpness);
}
interior_limit = FFMAX(interior_limit, 1);
int inner_filter = f->inner_filter;
int linesize = s->linesize;
int uvlinesize = s->uvlinesize;
+ static const uint8_t hev_thresh_lut[2][64] = {
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3 },
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2 }
+ };
if (!filter_level)
return;
- mbedge_lim = 2*(filter_level+2) + inner_limit;
- bedge_lim = 2* filter_level + inner_limit;
- hev_thresh = filter_level >= 15;
+ bedge_lim = 2*filter_level + inner_limit;
+ mbedge_lim = bedge_lim + 4;
- if (s->keyframe) {
- if (filter_level >= 40)
- hev_thresh = 2;
- } else {
- if (filter_level >= 40)
- hev_thresh = 3;
- else if (filter_level >= 20)
- hev_thresh = 2;
- }
+ hev_thresh = hev_thresh_lut[s->keyframe][filter_level];
if (mb_x) {
s->vp8dsp.vp8_h_loop_filter16y(dst[0], linesize,
if (!filter_level)
return;
- mbedge_lim = 2*(filter_level+2) + inner_limit;
- bedge_lim = 2* filter_level + inner_limit;
+ bedge_lim = 2*filter_level + inner_limit;
+ mbedge_lim = bedge_lim + 4;
if (mb_x)
s->vp8dsp.vp8_h_loop_filter_simple(dst, linesize, mbedge_lim);