/* Interface header for common constant data structures and lookup tables */
#include "vpx_mem/vpx_mem.h"
-
+#include "vpx/vpx_integer.h"
#include "vp9/common/vp9_common_types.h"
/* Only need this for fixed-size arrays, for structs just assign. */
#define vp9_zero_array( Dest, N) vpx_memset( Dest, 0, N * sizeof( *Dest));
+static __inline uint8_t clip_pixel(int val) {
+ return (val > 255) ? 255u : (val < 0) ? 0u : val;
+}
+
#endif /* common_h */
vp9_tree_probs_from_distribution(MAX_ENTROPY_TOKENS,
vp9_coef_encodings, vp9_coef_tree,
coef_probs, branch_ct,
- coef_counts[i][j][k], 256, 1);
+ coef_counts[i][j][k]);
for (t = 0; t < ENTROPY_NODES; ++t) {
- int prob;
count = branch_ct[t][0] + branch_ct[t][1];
count = count > count_sat ? count_sat : count;
factor = (update_factor * count / count_sat);
- prob = ((int)pre_coef_probs[i][j][k][t] * (256 - factor) +
- (int)coef_probs[t] * factor + 128) >> 8;
- dst_coef_probs[i][j][k][t] = clip_prob(prob);
+ dst_coef_probs[i][j][k][t] = weighted_prob(pre_coef_probs[i][j][k][t],
+ coef_probs[t], factor);
}
}
}
vp9_tree_probs_from_distribution(VP9_YMODES, vp9_ymode_encodings,
vp9_ymode_tree, x->fc.ymode_prob,
- bct, y_mode_cts, 256, 1);
+ bct, y_mode_cts);
#if CONFIG_SUPERBLOCKS
vp9_tree_probs_from_distribution(VP9_I32X32_MODES, vp9_sb_ymode_encodings,
vp9_sb_ymode_tree, x->fc.sb_ymode_prob,
- bct, y_mode_cts, 256, 1);
+ bct, y_mode_cts);
#endif
{
int i;
for (i = 0; i < 8; i++) {
vp9_tree_probs_from_distribution(VP9_YMODES, vp9_kf_ymode_encodings,
vp9_kf_ymode_tree, x->kf_ymode_prob[i],
- bct, kf_y_mode_cts[i], 256, 1);
+ bct, kf_y_mode_cts[i]);
#if CONFIG_SUPERBLOCKS
vp9_tree_probs_from_distribution(VP9_I32X32_MODES,
vp9_sb_kf_ymode_encodings,
vp9_sb_kf_ymode_tree,
x->sb_kf_ymode_prob[i], bct,
- kf_y_mode_cts[i], 256, 1);
+ kf_y_mode_cts[i]);
#endif
}
}
for (i = 0; i < VP9_YMODES; i++) {
vp9_tree_probs_from_distribution(VP9_UV_MODES, vp9_uv_mode_encodings,
vp9_uv_mode_tree, x->kf_uv_mode_prob[i],
- bct, kf_uv_mode_cts[i], 256, 1);
+ bct, kf_uv_mode_cts[i]);
vp9_tree_probs_from_distribution(VP9_UV_MODES, vp9_uv_mode_encodings,
vp9_uv_mode_tree, x->fc.uv_mode_prob[i],
- bct, uv_mode_cts[i], 256, 1);
+ bct, uv_mode_cts[i]);
}
}
vp9_tree_probs_from_distribution(VP9_I8X8_MODES, vp9_i8x8_mode_encodings,
vp9_i8x8_mode_tree, x->fc.i8x8_mode_prob,
- bct, i8x8_mode_cts, 256, 1);
+ bct, i8x8_mode_cts);
vpx_memcpy(x->fc.sub_mv_ref_prob, vp9_sub_mv_ref_prob2,
sizeof(vp9_sub_mv_ref_prob2));
unsigned int branch_ct[VP9_NKF_BINTRAMODES - 1][2],
const unsigned int events[VP9_NKF_BINTRAMODES]) {
vp9_tree_probs_from_distribution(VP9_NKF_BINTRAMODES, vp9_bmode_encodings,
- vp9_bmode_tree, p, branch_ct, events, 256, 1);
+ vp9_bmode_tree, p, branch_ct, events);
}
void vp9_default_bmode_probs(vp9_prob p[VP9_NKF_BINTRAMODES - 1]) {
unsigned int branch_ct[VP9_KF_BINTRAMODES - 1][2],
const unsigned int events[VP9_KF_BINTRAMODES]) {
vp9_tree_probs_from_distribution(VP9_KF_BINTRAMODES, vp9_kf_bmode_encodings,
- vp9_kf_bmode_tree, p, branch_ct, events, 256, 1);
+ vp9_kf_bmode_tree, p, branch_ct, events);
}
void vp9_kf_default_bmode_probs(vp9_prob p[VP9_KF_BINTRAMODES]
for (j = 0; j < INTER_MODE_CONTEXTS; j++) {
for (i = 0; i < 4; i++) {
- int this_prob;
- int count = mv_ref_ct[j][i][0] + mv_ref_ct[j][i][1];
- int factor;
- {
- this_prob = count > 0 ? 256 * mv_ref_ct[j][i][0] / count : 128;
- count = count > MVREF_COUNT_SAT ? MVREF_COUNT_SAT : count;
- factor = (MVREF_MAX_UPDATE_FACTOR * count / MVREF_COUNT_SAT);
- this_prob = (pc->fc.vp9_mode_contexts[j][i] * (256 - factor) +
- this_prob * factor + 128) >> 8;
- mode_context[j][i] = clip_prob(this_prob);
- }
+ int count = mv_ref_ct[j][i][0] + mv_ref_ct[j][i][1], factor;
+
+ count = count > MVREF_COUNT_SAT ? MVREF_COUNT_SAT : count;
+ factor = (MVREF_MAX_UPDATE_FACTOR * count / MVREF_COUNT_SAT);
+ mode_context[j][i] = weighted_prob(pc->fc.vp9_mode_contexts[j][i],
+ get_binary_prob(mv_ref_ct[j][i][0],
+ mv_ref_ct[j][i][1]),
+ factor);
}
}
}
}
#endif
-// #define MODE_COUNT_TESTING
#define MODE_COUNT_SAT 20
#define MODE_MAX_UPDATE_FACTOR 144
+static void update_mode_probs(int n_modes, struct vp9_token_struct *encoding,
+ const vp9_tree_index *tree, unsigned int *cnt,
+ vp9_prob *pre_probs, vp9_prob *dst_probs) {
+#define MAX_PROBS 32
+ vp9_prob probs[MAX_PROBS];
+ unsigned int branch_ct[MAX_PROBS][2];
+ int t, count, factor;
+
+ assert(n_modes - 1 < MAX_PROBS);
+ vp9_tree_probs_from_distribution(n_modes, encoding, tree, probs,
+ branch_ct, cnt);
+ for (t = 0; t < n_modes - 1; ++t) {
+ count = branch_ct[t][0] + branch_ct[t][1];
+ count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count;
+ factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT);
+ dst_probs[t] = weighted_prob(pre_probs[t], probs[t], factor);
+ }
+}
+
+// #define MODE_COUNT_TESTING
void vp9_adapt_mode_probs(VP9_COMMON *cm) {
- int i, t, count, factor;
- unsigned int branch_ct[32][2];
- vp9_prob ymode_probs[VP9_YMODES - 1];
-#if CONFIG_SUPERBLOCKS
- vp9_prob sb_ymode_probs[VP9_I32X32_MODES - 1];
-#endif
- vp9_prob uvmode_probs[VP9_UV_MODES - 1];
- vp9_prob bmode_probs[VP9_NKF_BINTRAMODES - 1];
- vp9_prob i8x8_mode_probs[VP9_I8X8_MODES - 1];
- vp9_prob sub_mv_ref_probs[VP9_SUBMVREFS - 1];
- vp9_prob mbsplit_probs[VP9_NUMMBSPLITS - 1];
-#if CONFIG_COMP_INTERINTRA_PRED
- vp9_prob interintra_prob;
-#endif
+ int i;
#ifdef MODE_COUNT_TESTING
+ int t;
+
printf("static const unsigned int\nymode_counts"
"[VP9_YMODES] = {\n");
for (t = 0; t < VP9_YMODES; ++t) printf("%d, ", cm->fc.ymode_counts[t]);
printf("};\n");
#endif
#endif
- vp9_tree_probs_from_distribution(
- VP9_YMODES, vp9_ymode_encodings, vp9_ymode_tree,
- ymode_probs, branch_ct, cm->fc.ymode_counts,
- 256, 1);
- for (t = 0; t < VP9_YMODES - 1; ++t) {
- int prob;
- count = branch_ct[t][0] + branch_ct[t][1];
- count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count;
- factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT);
- prob = ((int)cm->fc.pre_ymode_prob[t] * (256 - factor) +
- (int)ymode_probs[t] * factor + 128) >> 8;
- cm->fc.ymode_prob[t] = clip_prob(prob);
- }
+
+ update_mode_probs(VP9_YMODES, vp9_ymode_encodings, vp9_ymode_tree,
+ cm->fc.ymode_counts, cm->fc.pre_ymode_prob,
+ cm->fc.ymode_prob);
#if CONFIG_SUPERBLOCKS
- vp9_tree_probs_from_distribution(VP9_I32X32_MODES,
- vp9_sb_ymode_encodings, vp9_sb_ymode_tree,
- sb_ymode_probs, branch_ct,
- cm->fc.sb_ymode_counts,
- 256, 1);
- for (t = 0; t < VP9_I32X32_MODES - 1; ++t) {
- int prob;
- count = branch_ct[t][0] + branch_ct[t][1];
- count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count;
- factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT);
- prob = ((int)cm->fc.pre_sb_ymode_prob[t] * (256 - factor) +
- (int)sb_ymode_probs[t] * factor + 128) >> 8;
- cm->fc.sb_ymode_prob[t] = clip_prob(prob);
- }
+ update_mode_probs(VP9_I32X32_MODES, vp9_sb_ymode_encodings, vp9_sb_ymode_tree,
+ cm->fc.sb_ymode_counts, cm->fc.pre_sb_ymode_prob,
+ cm->fc.sb_ymode_prob);
#endif
for (i = 0; i < VP9_YMODES; ++i) {
- vp9_tree_probs_from_distribution(VP9_UV_MODES, vp9_uv_mode_encodings,
- vp9_uv_mode_tree, uvmode_probs, branch_ct,
- cm->fc.uv_mode_counts[i], 256, 1);
- for (t = 0; t < VP9_UV_MODES - 1; ++t) {
- int prob;
- count = branch_ct[t][0] + branch_ct[t][1];
- count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count;
- factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT);
- prob = ((int)cm->fc.pre_uv_mode_prob[i][t] * (256 - factor) +
- (int)uvmode_probs[t] * factor + 128) >> 8;
- cm->fc.uv_mode_prob[i][t] = clip_prob(prob);
- }
- }
- vp9_tree_probs_from_distribution(VP9_NKF_BINTRAMODES, vp9_bmode_encodings,
- vp9_bmode_tree, bmode_probs, branch_ct,
- cm->fc.bmode_counts, 256, 1);
- for (t = 0; t < VP9_NKF_BINTRAMODES - 1; ++t) {
- int prob;
- count = branch_ct[t][0] + branch_ct[t][1];
- count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count;
- factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT);
- prob = ((int)cm->fc.pre_bmode_prob[t] * (256 - factor) +
- (int)bmode_probs[t] * factor + 128) >> 8;
- cm->fc.bmode_prob[t] = clip_prob(prob);
- }
- vp9_tree_probs_from_distribution(VP9_I8X8_MODES, vp9_i8x8_mode_encodings,
- vp9_i8x8_mode_tree, i8x8_mode_probs,
- branch_ct, cm->fc.i8x8_mode_counts, 256, 1);
- for (t = 0; t < VP9_I8X8_MODES - 1; ++t) {
- int prob;
- count = branch_ct[t][0] + branch_ct[t][1];
- count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count;
- factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT);
- prob = ((int)cm->fc.pre_i8x8_mode_prob[t] * (256 - factor) +
- (int)i8x8_mode_probs[t] * factor + 128) >> 8;
- cm->fc.i8x8_mode_prob[t] = clip_prob(prob);
+ update_mode_probs(VP9_UV_MODES, vp9_uv_mode_encodings, vp9_uv_mode_tree,
+ cm->fc.uv_mode_counts[i], cm->fc.pre_uv_mode_prob[i],
+ cm->fc.uv_mode_prob[i]);
}
+ update_mode_probs(VP9_NKF_BINTRAMODES, vp9_bmode_encodings, vp9_bmode_tree,
+ cm->fc.bmode_counts, cm->fc.pre_bmode_prob,
+ cm->fc.bmode_prob);
+ update_mode_probs(VP9_I8X8_MODES, vp9_i8x8_mode_encodings,
+ vp9_i8x8_mode_tree, cm->fc.i8x8_mode_counts,
+ cm->fc.pre_i8x8_mode_prob, cm->fc.i8x8_mode_prob);
for (i = 0; i < SUBMVREF_COUNT; ++i) {
- vp9_tree_probs_from_distribution(VP9_SUBMVREFS,
- vp9_sub_mv_ref_encoding_array,
- vp9_sub_mv_ref_tree, sub_mv_ref_probs,
- branch_ct, cm->fc.sub_mv_ref_counts[i],
- 256, 1);
- for (t = 0; t < VP9_SUBMVREFS - 1; ++t) {
- int prob;
- count = branch_ct[t][0] + branch_ct[t][1];
- count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count;
- factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT);
- prob = ((int)cm->fc.pre_sub_mv_ref_prob[i][t] * (256 - factor) +
- (int)sub_mv_ref_probs[t] * factor + 128) >> 8;
- cm->fc.sub_mv_ref_prob[i][t] = clip_prob(prob);
- }
- }
- vp9_tree_probs_from_distribution(VP9_NUMMBSPLITS, vp9_mbsplit_encodings,
- vp9_mbsplit_tree, mbsplit_probs, branch_ct,
- cm->fc.mbsplit_counts, 256, 1);
- for (t = 0; t < VP9_NUMMBSPLITS - 1; ++t) {
- int prob;
- count = branch_ct[t][0] + branch_ct[t][1];
- count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count;
- factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT);
- prob = ((int)cm->fc.pre_mbsplit_prob[t] * (256 - factor) +
- (int)mbsplit_probs[t] * factor + 128) >> 8;
- cm->fc.mbsplit_prob[t] = clip_prob(prob);
+ update_mode_probs(VP9_SUBMVREFS, vp9_sub_mv_ref_encoding_array,
+ vp9_sub_mv_ref_tree, cm->fc.sub_mv_ref_counts[i],
+ cm->fc.pre_sub_mv_ref_prob[i], cm->fc.sub_mv_ref_prob[i]);
}
+ update_mode_probs(VP9_NUMMBSPLITS, vp9_mbsplit_encodings, vp9_mbsplit_tree,
+ cm->fc.mbsplit_counts, cm->fc.pre_mbsplit_prob,
+ cm->fc.mbsplit_prob);
#if CONFIG_COMP_INTERINTRA_PRED
if (cm->use_interintra) {
- int prob;
- interintra_prob = vp9_bin_prob_from_distribution(cm->fc.interintra_counts);
+ int factor, interintra_prob, count;
+
+ interintra_prob = get_binary_prob(cm->fc.interintra_counts[0],
+ cm->fc.interintra_counts[1]);
count = cm->fc.interintra_counts[0] + cm->fc.interintra_counts[1];
count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count;
factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT);
- prob = ((int)cm->fc.pre_interintra_prob * (256 - factor) +
- (int)interintra_prob * factor + 128) >> 8;
- if (prob <= 0)
- cm->fc.interintra_prob = 1;
- else if (prob > 255)
- cm->fc.interintra_prob = 255;
- else
- cm->fc.interintra_prob = prob;
+ cm->fc.interintra_prob = weighted_prob(cm->fc.pre_interintra_prob,
+ interintra_prob, factor);
}
#endif
}
static void adapt_prob(vp9_prob *dest, vp9_prob prep, vp9_prob newp,
unsigned int ct[2]) {
- int factor;
- int prob;
int count = ct[0] + ct[1];
+
if (count) {
count = count > MV_COUNT_SAT ? MV_COUNT_SAT : count;
- factor = (MV_MAX_UPDATE_FACTOR * count / MV_COUNT_SAT);
- prob = ((int)prep * (256 - factor) + (int)(newp) * factor + 128) >> 8;
- prob += !prob;
- prob = (prob > 255 ? 255 : prob);
- *dest = prob;
+ *dest = weighted_prob(prep, newp,
+ MV_MAX_UPDATE_FACTOR * count / MV_COUNT_SAT);
}
}
vp9_mv_joint_tree,
prob->joints,
branch_ct_joint,
- NMVcount->joints,
- 256, 1);
+ NMVcount->joints);
for (i = 0; i < 2; ++i) {
- prob->comps[i].sign =
- vp9_bin_prob_from_distribution(NMVcount->comps[i].sign);
+ prob->comps[i].sign = get_binary_prob(NMVcount->comps[i].sign[0],
+ NMVcount->comps[i].sign[1]);
branch_ct_sign[i][0] = NMVcount->comps[i].sign[0];
branch_ct_sign[i][1] = NMVcount->comps[i].sign[1];
vp9_tree_probs_from_distribution(MV_CLASSES,
vp9_mv_class_tree,
prob->comps[i].classes,
branch_ct_classes[i],
- NMVcount->comps[i].classes,
- 256, 1);
+ NMVcount->comps[i].classes);
vp9_tree_probs_from_distribution(CLASS0_SIZE,
vp9_mv_class0_encodings,
vp9_mv_class0_tree,
prob->comps[i].class0,
branch_ct_class0[i],
- NMVcount->comps[i].class0,
- 256, 1);
+ NMVcount->comps[i].class0);
for (j = 0; j < MV_OFFSET_BITS; ++j) {
- prob->comps[i].bits[j] = vp9_bin_prob_from_distribution(
- NMVcount->comps[i].bits[j]);
+ prob->comps[i].bits[j] = get_binary_prob(NMVcount->comps[i].bits[j][0],
+ NMVcount->comps[i].bits[j][1]);
branch_ct_bits[i][j][0] = NMVcount->comps[i].bits[j][0];
branch_ct_bits[i][j][1] = NMVcount->comps[i].bits[j][1];
}
vp9_mv_fp_tree,
prob->comps[i].class0_fp[k],
branch_ct_class0_fp[i][k],
- NMVcount->comps[i].class0_fp[k],
- 256, 1);
+ NMVcount->comps[i].class0_fp[k]);
}
vp9_tree_probs_from_distribution(4,
vp9_mv_fp_encodings,
vp9_mv_fp_tree,
prob->comps[i].fp,
branch_ct_fp[i],
- NMVcount->comps[i].fp,
- 256, 1);
+ NMVcount->comps[i].fp);
}
if (usehp) {
for (i = 0; i < 2; ++i) {
- prob->comps[i].class0_hp = vp9_bin_prob_from_distribution(
- NMVcount->comps[i].class0_hp);
+ prob->comps[i].class0_hp =
+ get_binary_prob(NMVcount->comps[i].class0_hp[0],
+ NMVcount->comps[i].class0_hp[1]);
branch_ct_class0_hp[i][0] = NMVcount->comps[i].class0_hp[0];
branch_ct_class0_hp[i][1] = NMVcount->comps[i].class0_hp[1];
- prob->comps[i].hp =
- vp9_bin_prob_from_distribution(NMVcount->comps[i].hp);
+ prob->comps[i].hp = get_binary_prob(NMVcount->comps[i].hp[0],
+ NMVcount->comps[i].hp[1]);
branch_ct_hp[i][0] = NMVcount->comps[i].hp[0];
branch_ct_hp[i][1] = NMVcount->comps[i].hp[1];
}
#include "vp9/common/vp9_filter.h"
#include "vpx_ports/mem.h"
#include "vp9_rtcd.h"
+#include "vp9/common/vp9_common.h"
DECLARE_ALIGNED(16, const short, vp9_bilinear_filters[SUBPEL_SHIFTS][2]) = {
{ 128, 0 },
unsigned int output_width,
const short *vp9_filter) {
unsigned int i, j;
- int Temp;
+ int temp;
for (i = 0; i < output_height; i++) {
for (j = 0; j < output_width; j++) {
- Temp = ((int)src_ptr[-2 * (int)pixel_step] * vp9_filter[0]) +
+ temp = ((int)src_ptr[-2 * (int)pixel_step] * vp9_filter[0]) +
((int)src_ptr[-1 * (int)pixel_step] * vp9_filter[1]) +
((int)src_ptr[0] * vp9_filter[2]) +
((int)src_ptr[pixel_step] * vp9_filter[3]) +
(VP9_FILTER_WEIGHT >> 1); /* Rounding */
/* Normalize back to 0-255 */
- Temp = Temp >> VP9_FILTER_SHIFT;
-
- if (Temp < 0)
- Temp = 0;
- else if (Temp > 255)
- Temp = 255;
-
- output_ptr[j] = Temp;
+ output_ptr[j] = clip_pixel(temp >> VP9_FILTER_SHIFT);
src_ptr++;
}
unsigned int output_width,
const short *vp9_filter) {
unsigned int i, j;
- int Temp;
+ int temp;
for (i = 0; i < output_height; i++) {
for (j = 0; j < output_width; j++) {
/* Apply filter */
- Temp = ((int)src_ptr[-2 * (int)pixel_step] * vp9_filter[0]) +
+ temp = ((int)src_ptr[-2 * (int)pixel_step] * vp9_filter[0]) +
((int)src_ptr[-1 * (int)pixel_step] * vp9_filter[1]) +
((int)src_ptr[0] * vp9_filter[2]) +
((int)src_ptr[pixel_step] * vp9_filter[3]) +
(VP9_FILTER_WEIGHT >> 1); /* Rounding */
/* Normalize back to 0-255 */
- Temp = Temp >> VP9_FILTER_SHIFT;
-
- if (Temp < 0)
- Temp = 0;
- else if (Temp > 255)
- Temp = 255;
-
- output_ptr[j] = (unsigned char)Temp;
+ output_ptr[j] = clip_pixel(temp >> VP9_FILTER_SHIFT);
src_ptr++;
}
unsigned int output_width,
const short *vp9_filter) {
unsigned int i, j;
- int Temp;
+ int temp;
for (i = 0; i < output_height; i++) {
for (j = 0; j < output_width; j++) {
/* Apply filter */
- Temp = ((int)src_ptr[-2 * (int)pixel_step] * vp9_filter[0]) +
+ temp = ((int)src_ptr[-2 * (int)pixel_step] * vp9_filter[0]) +
((int)src_ptr[-1 * (int)pixel_step] * vp9_filter[1]) +
((int)src_ptr[0] * vp9_filter[2]) +
((int)src_ptr[pixel_step] * vp9_filter[3]) +
(VP9_FILTER_WEIGHT >> 1); /* Rounding */
/* Normalize back to 0-255 */
- Temp = Temp >> VP9_FILTER_SHIFT;
-
- if (Temp < 0)
- Temp = 0;
- else if (Temp > 255)
- Temp = 255;
-
- output_ptr[j] = (unsigned char)((output_ptr[j] + Temp + 1) >> 1);
+ output_ptr[j] = (clip_pixel(temp >> VP9_FILTER_SHIFT) +
+ output_ptr[j] + 1) >> 1;
src_ptr++;
}
(VP9_FILTER_WEIGHT >> 1); // Rounding
// Normalize back to 0-255...
- temp >>= VP9_FILTER_SHIFT;
- if (temp < 0) {
- temp = 0;
- } else if (temp > 255) {
- temp = 255;
- }
+ *output_ptr = clip_pixel(temp >> VP9_FILTER_SHIFT);
src_ptr++;
- *output_ptr = temp;
output_ptr += intermediate_height;
}
src_ptr += src_next_row_stride;
(VP9_FILTER_WEIGHT >> 1); // Rounding
// Normalize back to 0-255...
- temp >>= VP9_FILTER_SHIFT;
- if (temp < 0) {
- temp = 0;
- } else if (temp > 255) {
- temp = 255;
- }
-
+ *dst_ptr++ = clip_pixel(temp >> VP9_FILTER_SHIFT);
src_ptr += intermediate_height;
- *dst_ptr++ = (unsigned char)temp;
}
src_ptr += intermediate_next_stride;
dst_ptr += dst_next_row_stride;
unsigned int width,
const short *vp9_filter) {
unsigned int i, j;
- int Temp;
+ int temp;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
/* Apply filter */
- Temp = ((int)src_ptr[0] * vp9_filter[0]) +
+ temp = ((int)src_ptr[0] * vp9_filter[0]) +
((int)src_ptr[width] * vp9_filter[1]) +
(VP9_FILTER_WEIGHT / 2);
- dst_ptr[j] = (unsigned int)(Temp >> VP9_FILTER_SHIFT);
+ dst_ptr[j] = (unsigned int)(temp >> VP9_FILTER_SHIFT);
src_ptr++;
}
unsigned int width,
const short *vp9_filter) {
unsigned int i, j;
- int Temp;
+ int temp;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
/* Apply filter */
- Temp = ((int)src_ptr[0] * vp9_filter[0]) +
- ((int)src_ptr[width] * vp9_filter[1]) +
- (VP9_FILTER_WEIGHT / 2);
- dst_ptr[j] = (unsigned int)(((Temp >> VP9_FILTER_SHIFT) + dst_ptr[j] + 1) >> 1);
+ temp = (((int)src_ptr[0] * vp9_filter[0]) +
+ ((int)src_ptr[width] * vp9_filter[1]) +
+ (VP9_FILTER_WEIGHT / 2)) >> VP9_FILTER_SHIFT;
+ dst_ptr[j] = (unsigned int)((temp + dst_ptr[j] + 1) >> 1);
src_ptr++;
}
#include <math.h>
#include "vpx_ports/config.h"
#include "vp9/common/vp9_systemdependent.h"
-
#include "vp9/common/vp9_blockd.h"
+#include "vp9/common/vp9_common.h"
static const int cospi8sqrt2minus1 = 20091;
static const int sinpi8sqrt2 = 35468;
for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) {
- int a = a1 + pred_ptr[c];
-
- if (a < 0)
- a = 0;
-
- if (a > 255)
- a = 255;
-
- dst_ptr[c] = (unsigned char) a;
+ dst_ptr[c] = clip_pixel(a1 + pred_ptr[c]);
}
dst_ptr += stride;
for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) {
- int a = tmp[r * 4 + c] + pred_ptr[c];
- if (a < 0)
- a = 0;
-
- if (a > 255)
- a = 255;
-
- dst_ptr[c] = (unsigned char) a;
+ dst_ptr[c] = clip_pixel(tmp[r * 4 + c] + pred_ptr[c]);
}
dst_ptr += stride;
for (b = 0; b < 4; b++) {
for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) {
- int a = a1 + pred_ptr[c];
-
- if (a < 0)
- a = 0;
-
- if (a > 255)
- a = 255;
-
- dst_ptr[c] = (unsigned char) a;
+ dst_ptr[c] = clip_pixel(a1 + pred_ptr[c]);
}
dst_ptr += stride;
#include "vp9/common/vp9_pred_common.h"
#include "vp9/common/vp9_seg_common.h"
+#include "vp9/common/vp9_treecoder.h"
// TBD prediction functions for various bitstream signals
int tot_count;
tot_count = count[0] + count[1] + count[2] + count[3];
- if (tot_count) {
- probs[0] = (vp9_prob)((count[0] * 255 + (tot_count >> 1)) / tot_count);
- probs[0] += !probs[0];
- } else
- probs[0] = 128;
+ probs[0] = get_prob(count[0], tot_count);
tot_count -= count[0];
- if (tot_count) {
- probs[1] = (vp9_prob)((count[1] * 255 + (tot_count >> 1)) / tot_count);
- probs[1] += !probs[1];
- } else
- probs[1] = 128;
+ probs[1] = get_prob(count[1], tot_count);
tot_count -= count[1];
- if (tot_count) {
- probs[2] = (vp9_prob)((count[2] * 255 + (tot_count >> 1)) / tot_count);
- probs[2] += !probs[2];
- } else
- probs[2] = 128;
-
+ probs[2] = get_prob(count[2], tot_count);
}
// Computes a set of modified conditional probabilities for the reference frame
for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) {
- int a = diff_ptr[c] + pred_ptr[c];
-
- if (a < 0)
- a = 0;
-
- if (a > 255)
- a = 255;
-
- dst_ptr[c] = (unsigned char) a;
+ dst_ptr[c] = clip_pixel(diff_ptr[c] + pred_ptr[c]);
}
dst_ptr += stride;
for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) {
- int a = diff_ptr[c] + pred_ptr[c];
-
- if (a < 0)
- a = 0;
-
- if (a > 255)
- a = 255;
-
- dst_ptr[c] = (unsigned char) a;
+ dst_ptr[c] = clip_pixel(diff_ptr[c] + pred_ptr[c]);
}
dst_ptr += stride;
for (r = 0; r < 4; r++) {
for (c = 0; c < 16; c++) {
- int a = diff_ptr[c] + pred_ptr[c];
-
- if (a < 0)
- a = 0;
-
- if (a > 255)
- a = 255;
-
- dst_ptr[c] = (unsigned char) a;
+ dst_ptr[c] = clip_pixel(diff_ptr[c] + pred_ptr[c]);
}
dst_ptr += stride;
for (r = 0; r < 4; r++) {
for (c = 0; c < 8; c++) {
- int a = diff_ptr[c] + pred_ptr[c];
-
- if (a < 0)
- a = 0;
-
- if (a > 255)
- a = 255;
-
- dst_ptr[c] = (unsigned char) a;
+ dst_ptr[c] = clip_pixel(diff_ptr[c] + pred_ptr[c]);
}
dst_ptr += stride;
for (y = 0; y < 16; y++) {
for (x = 0; x < 16; x++) {
- int a = dst[x] + diff[x];
- if (a < 0)
- a = 0;
- else if (a > 255)
- a = 255;
- dst[x] = a;
+ dst[x] = clip_pixel(dst[x] + diff[x]);
}
dst += stride;
diff += 16;
for (y = 0; y < 8; y++) {
for (x = 0; x < 8; x++) {
- int a = dst[x] + diff[x];
- if (a < 0)
- a = 0;
- else if (a > 255)
- a = 255;
- dst[x] = a;
+ dst[x] = clip_pixel(dst[x] + diff[x]);
}
dst += stride;
diff += 8;
for (y = 0; y < 32; y++) {
for (x = 0; x < 32; x++) {
- int a = dst[x] + diff[x];
- if (a < 0)
- a = 0;
- else if (a > 255)
- a = 255;
- dst[x] = a;
+ dst[x] = clip_pixel(dst[x] + diff[x]);
}
dst += stride;
diff += 32;
for (y = 0; y < 16; y++) {
for (x = 0; x < 16; x++) {
- int u = udst[x] + udiff[x];
- int v = vdst[x] + vdiff[x];
- if (u < 0)
- u = 0;
- else if (u > 255)
- u = 255;
- if (v < 0)
- v = 0;
- else if (v > 255)
- v = 255;
- udst[x] = u;
- vdst[x] = v;
+ udst[x] = clip_pixel(udst[x] + udiff[x]);
+ vdst[x] = clip_pixel(vdst[x] + vdiff[x]);
}
udst += stride;
vdst += stride;
unsigned char *dst, int dst_stride,
int width, int height) {
int i, j, k;
- unsigned int Temp[32 * 32];
- unsigned int *pTmp = Temp;
+ unsigned int temp[32 * 32];
+ unsigned int *pTmp = temp;
unsigned char *pSrc = src - (1 + src_stride) * (PRED_FILT_LEN / 2);
// Horizontal
}
// Vertical
- pTmp = Temp;
+ pTmp = temp;
for (i = 0; i < width; i++) {
unsigned char *pDst = dst + i;
for (j = 0; j < height; j++) {
for (k = 0; k < PRED_FILT_LEN; k++)
sum += pTmp[(j + k) * width] * pred_filter[k];
// Round
- sum = (sum + ((1 << (filt_shift << 1)) >> 1)) >> (filt_shift << 1);
- pDst[j * dst_stride] = (sum < 0 ? 0 : sum > 255 ? 255 : sum);
+ pDst[j * dst_stride] = (sum + ((1 << (filt_shift << 1)) >> 1)) >>
+ (filt_shift << 1);
}
++pTmp;
}
}
}
for (c = 0; c <= r; ++c) {
- int yabove_ext = yabove_row[r]; // 2*yabove_row[r] - yabove_row[r-1];
- int yleft_ext = yleft_col[r]; // 2*yleft_col[r] - yleft_col[r-1];
- yabove_ext = (yabove_ext > 255 ? 255 : (yabove_ext < 0 ? 0 : yabove_ext));
- yleft_ext = (yleft_ext > 255 ? 255 : (yleft_ext < 0 ? 0 : yleft_ext));
+ int yabove_ext = yabove_row[r]; // clip_pixel(2 * yabove_row[r] -
+ // yabove_row[r - 1]);
+ int yleft_ext = yleft_col[r]; // clip_pixel(2 * yleft_col[r] -
+ // yleft_col[r-1]);
ypred_ptr[(r - c) * y_stride + c] =
(yabove_ext * (c + 1) +
yleft_ext * (r - c + 1) + r / 2 + 1) / (r + 2);
}
for (r = 1; r < n; ++r) {
- for (c = n - r; c < n; ++c)
- ypred_ptr[r * y_stride + c] = (ypred_ptr[(r - 1) * y_stride + c] +
- ypred_ptr[r * y_stride + c - 1] + 1) >> 1;
+ for (c = n - r; c < n; ++c) {
+ const int yabove_ext = ypred_ptr[(r - 1) * y_stride + c];
+ const int yleft_ext = ypred_ptr[r * y_stride + c - 1];
+ ypred_ptr[r * y_stride + c] = (yabove_ext + yleft_ext + 1) >> 1;
+ }
}
}
case TM_PRED: {
for (r = 0; r < bsize; r++) {
for (c = 0; c < bsize; c++) {
- int pred = yleft_col[r] + yabove_row[ c] - ytop_left;
-
- if (pred < 0)
- pred = 0;
-
- if (pred > 255)
- pred = 255;
-
- ypred_ptr[c] = pred;
+ ypred_ptr[c] = clip_pixel(yleft_col[r] + yabove_row[c] - ytop_left);
}
ypred_ptr += y_stride;
unsigned char *predictor) {
int i, r, c;
- unsigned char *Above = *(x->base_dst) + x->dst - x->dst_stride;
- unsigned char Left[4];
- unsigned char top_left = Above[-1];
+ unsigned char *above = *(x->base_dst) + x->dst - x->dst_stride;
+ unsigned char left[4];
+ unsigned char top_left = above[-1];
- Left[0] = (*(x->base_dst))[x->dst - 1];
- Left[1] = (*(x->base_dst))[x->dst - 1 + x->dst_stride];
- Left[2] = (*(x->base_dst))[x->dst - 1 + 2 * x->dst_stride];
- Left[3] = (*(x->base_dst))[x->dst - 1 + 3 * x->dst_stride];
+ left[0] = (*(x->base_dst))[x->dst - 1];
+ left[1] = (*(x->base_dst))[x->dst - 1 + x->dst_stride];
+ left[2] = (*(x->base_dst))[x->dst - 1 + 2 * x->dst_stride];
+ left[3] = (*(x->base_dst))[x->dst - 1 + 3 * x->dst_stride];
#if CONFIG_NEWBINTRAMODES
if (b_mode == B_CONTEXT_PRED)
int expected_dc = 0;
for (i = 0; i < 4; i++) {
- expected_dc += Above[i];
- expected_dc += Left[i];
+ expected_dc += above[i];
+ expected_dc += left[i];
}
expected_dc = (expected_dc + 4) >> 3;
/* prediction similar to true_motion prediction */
for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) {
- int pred = Above[c] - top_left + Left[r];
-
- if (pred < 0)
- pred = 0;
-
- if (pred > 255)
- pred = 255;
-
- predictor[c] = pred;
+ predictor[c] = clip_pixel(above[c] - top_left + left[r]);
}
predictor += 16;
case B_VE_PRED: {
unsigned int ap[4];
- ap[0] = Above[0];
- ap[1] = Above[1];
- ap[2] = Above[2];
- ap[3] = Above[3];
+ ap[0] = above[0];
+ ap[1] = above[1];
+ ap[2] = above[2];
+ ap[3] = above[3];
for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) {
case B_HE_PRED: {
unsigned int lp[4];
- lp[0] = Left[0];
- lp[1] = Left[1];
- lp[2] = Left[2];
- lp[3] = Left[3];
+ lp[0] = left[0];
+ lp[1] = left[1];
+ lp[2] = left[2];
+ lp[3] = left[3];
for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) {
}
break;
case B_LD_PRED: {
- unsigned char *ptr = Above;
+ unsigned char *ptr = above;
predictor[0 * 16 + 0] = (ptr[0] + ptr[1] * 2 + ptr[2] + 2) >> 2;
predictor[0 * 16 + 1] =
predictor[1 * 16 + 0] = (ptr[1] + ptr[2] * 2 + ptr[3] + 2) >> 2;
unsigned char pp[9];
- pp[0] = Left[3];
- pp[1] = Left[2];
- pp[2] = Left[1];
- pp[3] = Left[0];
+ pp[0] = left[3];
+ pp[1] = left[2];
+ pp[2] = left[1];
+ pp[3] = left[0];
pp[4] = top_left;
- pp[5] = Above[0];
- pp[6] = Above[1];
- pp[7] = Above[2];
- pp[8] = Above[3];
+ pp[5] = above[0];
+ pp[6] = above[1];
+ pp[7] = above[2];
+ pp[8] = above[3];
predictor[3 * 16 + 0] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
predictor[3 * 16 + 1] =
unsigned char pp[9];
- pp[0] = Left[3];
- pp[1] = Left[2];
- pp[2] = Left[1];
- pp[3] = Left[0];
+ pp[0] = left[3];
+ pp[1] = left[2];
+ pp[2] = left[1];
+ pp[3] = left[0];
pp[4] = top_left;
- pp[5] = Above[0];
- pp[6] = Above[1];
- pp[7] = Above[2];
- pp[8] = Above[3];
+ pp[5] = above[0];
+ pp[6] = above[1];
+ pp[7] = above[2];
+ pp[8] = above[3];
predictor[3 * 16 + 0] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
break;
case B_VL_PRED: {
- unsigned char *pp = Above;
+ unsigned char *pp = above;
predictor[0 * 16 + 0] = (pp[0] + pp[1] + 1) >> 1;
predictor[1 * 16 + 0] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
case B_HD_PRED: {
unsigned char pp[9];
- pp[0] = Left[3];
- pp[1] = Left[2];
- pp[2] = Left[1];
- pp[3] = Left[0];
+ pp[0] = left[3];
+ pp[1] = left[2];
+ pp[2] = left[1];
+ pp[3] = left[0];
pp[4] = top_left;
- pp[5] = Above[0];
- pp[6] = Above[1];
- pp[7] = Above[2];
- pp[8] = Above[3];
+ pp[5] = above[0];
+ pp[6] = above[1];
+ pp[7] = above[2];
+ pp[8] = above[3];
predictor[3 * 16 + 0] = (pp[0] + pp[1] + 1) >> 1;
case B_HU_PRED: {
- unsigned char *pp = Left;
+ unsigned char *pp = left;
predictor[0 * 16 + 0] = (pp[0] + pp[1] + 1) >> 1;
predictor[0 * 16 + 1] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
predictor[0 * 16 + 2] =
break;
/*
case B_CORNER_PRED:
- corner_predictor(predictor, 16, 4, Above, Left);
+ corner_predictor(predictor, 16, 4, above, left);
break;
*/
#endif
vp9_tree tree,
vp9_prob probs [ /* n-1 */ ],
unsigned int branch_ct [ /* n-1 */ ] [2],
- const unsigned int num_events[ /* n */ ],
- unsigned int Pfac,
- int rd
+ const unsigned int num_events[ /* n */ ]
) {
const int tree_len = n - 1;
int t = 0;
branch_counts(n, tok, tree, branch_ct, num_events);
do {
- const unsigned int *const c = branch_ct[t];
- const unsigned int tot = c[0] + c[1];
-
-#if CONFIG_DEBUG
- assert(tot < (1 << 24)); /* no overflow below */
-#endif
-
- if (tot) {
- const unsigned int p = ((c[0] * Pfac) + (rd ? tot >> 1 : 0)) / tot;
- probs[t] = p < 256 ? (p ? p : 1) : 255; /* agree w/old version for now */
- } else
- probs[t] = vp9_prob_half;
+ probs[t] = get_binary_prob(branch_ct[t][0], branch_ct[t][1]);
} while (++t < tree_len);
}
-
-vp9_prob vp9_bin_prob_from_distribution(const unsigned int counts[2]) {
- int tot_count = counts[0] + counts[1];
- vp9_prob prob;
- if (tot_count) {
- prob = (counts[0] * 255 + (tot_count >> 1)) / tot_count;
- prob += !prob;
- } else {
- prob = 128;
- }
- return prob;
-}
#ifndef VP9_COMMON_VP9_TREECODER_H_
#define VP9_COMMON_VP9_TREECODER_H_
+#include "vpx/vpx_integer.h"
+
typedef unsigned char vp9_prob;
#define vp9_prob_half ( (vp9_prob) 128)
vp9_tree tree,
vp9_prob probs [ /* n-1 */ ],
unsigned int branch_ct [ /* n-1 */ ] [2],
- const unsigned int num_events[ /* n */ ],
- unsigned int Pfactor,
- int Round
+ const unsigned int num_events[ /* n */ ]
);
-static __inline int clip_prob(int p) {
- if (p > 255)
- return 255;
- else if (p < 1)
- return 1;
- return p;
+static __inline vp9_prob clip_prob(int p) {
+ return (p > 255) ? 255u : (p < 1) ? 1u : p;
+}
+
+static __inline vp9_prob get_prob(int num, int den) {
+ return (den == 0) ? 128u : clip_prob((num * 256 + (den >> 1)) / den);
}
-vp9_prob vp9_bin_prob_from_distribution(const unsigned int counts[2]);
+static __inline vp9_prob get_binary_prob(int n0, int n1) {
+ return get_prob(n0, n0 + n1);
+}
+
+/* this function assumes prob1 and prob2 are already within [1,255] range */
+static __inline vp9_prob weighted_prob(int prob1, int prob2, int factor) {
+ return (prob1 * (256 - factor) + prob2 * factor + 128) >> 8;
+}
#endif
#include "vp9/decoder/vp9_dequantize.h"
#include "vpx_mem/vpx_mem.h"
#include "vp9/decoder/vp9_onyxd_int.h"
+#include "vp9/common/vp9_common.h"
static void add_residual(const int16_t *diff, const uint8_t *pred, int pitch,
uint8_t *dest, int stride, int width, int height) {
for (r = 0; r < height; r++) {
for (c = 0; c < width; c++) {
- int a = diff[c] + pred[c];
-
- if (a < 0)
- a = 0;
- else if (a > 255)
- a = 255;
-
- dest[c] = (uint8_t) a;
+ dest[c] = clip_pixel(diff[c] + pred[c]);
}
dest += stride;
for (r = 0; r < height; r++) {
for (c = 0; c < width; c++) {
- int a = diff + pred[c];
-
- if (a < 0)
- a = 0;
- else if (a > 255)
- a = 255;
-
- dest[c] = (uint8_t) a;
+ dest[c] = clip_pixel(diff + pred[c]);
}
dest += stride;
#include "vp9/encoder/vp9_encodemv.h"
#include "vp9/common/vp9_entropymv.h"
#include "vp9/common/vp9_mvref_common.h"
+#include "vp9/common/vp9_treecoder.h"
#if defined(SECTIONBITS_OUTPUT)
unsigned __int64 Sectionbits[500];
unsigned int new_b = 0, old_b = 0;
int i = 0;
- vp9_tree_probs_from_distribution(
- n--, tok, tree,
- Pnew, bct, num_events,
- 256, 1
- );
+ vp9_tree_probs_from_distribution(n--, tok, tree,
+ Pnew, bct, num_events);
do {
new_b += cost_branch(bct[i], Pnew[i]);
}
}
-static int get_prob(int num, int den) {
- int p;
- if (den <= 0)
- return 128;
- p = (num * 255 + (den >> 1)) / den;
- return clip_prob(p);
-}
-
-static int get_binary_prob(int n0, int n1) {
- return get_prob(n0, n0 + n1);
-}
-
void vp9_update_skip_probs(VP9_COMP *cpi) {
VP9_COMMON *const pc = &cpi->common;
int k;
VP9_SWITCHABLE_FILTERS,
vp9_switchable_interp_encodings, vp9_switchable_interp_tree,
pc->fc.switchable_interp_prob[j], branch_ct,
- cpi->switchable_interp_count[j], 256, 1);
+ cpi->switchable_interp_count[j]);
for (i = 0; i < VP9_SWITCHABLE_FILTERS - 1; ++i) {
if (pc->fc.switchable_interp_prob[j][i] < 1)
pc->fc.switchable_interp_prob[j][i] = 1;
for (i = 0; i < INTER_MODE_CONTEXTS; i++) {
for (j = 0; j < 4; j++) {
- int new_prob, count, old_cost, new_cost;
+ int new_prob, old_cost, new_cost;
// Work out cost of coding branches with the old and optimal probability
old_cost = cost_branch256(mv_ref_ct[i][j], mode_context[i][j]);
- count = mv_ref_ct[i][j][0] + mv_ref_ct[i][j][1];
- new_prob = count > 0 ? (255 * mv_ref_ct[i][j][0]) / count : 128;
- new_prob = (new_prob > 0) ? new_prob : 1;
+ new_prob = get_binary_prob(mv_ref_ct[i][j][0], mv_ref_ct[i][j][1]);
new_cost = cost_branch256(mv_ref_ct[i][j], new_prob);
// If cost saving is >= 14 bits then update the mode probability.
vp9_coef_encodings, vp9_coef_tree,
coef_probs[i][j][k],
coef_branch_ct[i][j][k],
- coef_counts[i][j][k], 256, 1);
+ coef_counts[i][j][k]);
#ifdef ENTROPY_STATS
if (!cpi->dummy_packing)
for (t = 0; t < MAX_ENTROPY_TOKENS; ++t)
fprintf(f, " ");
for (i = 0; i < 4; i++) {
int this_prob;
- int count;
// context probs
- count = mv_ref_ct[j][i][0] + mv_ref_ct[j][i][1];
- if (count)
- this_prob = 256 * mv_ref_ct[j][i][0] / count;
- else
- this_prob = 128;
-
- if (this_prob == 0)
- this_prob = 1;
+ this_prob = get_binary_prob(mv_ref_ct[j][i][0], mv_ref_ct[j][i][1]);
+
fprintf(f, "%5d, ", this_prob);
}
fprintf(f, " },\n");
static void init_base_skip_probs(void) {
int i;
double q;
- int skip_prob, t;
+ int t;
for (i = 0; i < QINDEX_RANGE; i++) {
q = vp9_convert_qindex_to_q(i);
// Based on crude best fit of old table.
t = (int)(564.25 * pow(2.71828, (-0.012 * q)));
- skip_prob = t;
- if (skip_prob < 1)
- skip_prob = 1;
- else if (skip_prob > 255)
- skip_prob = 255;
- base_skip_false_prob[i][1] = skip_prob;
-
- skip_prob = t * 3 / 4;
- if (skip_prob < 1)
- skip_prob = 1;
- else if (skip_prob > 255)
- skip_prob = 255;
- base_skip_false_prob[i][2] = skip_prob;
-
- skip_prob = t * 5 / 4;
- if (skip_prob < 1)
- skip_prob = 1;
- else if (skip_prob > 255)
- skip_prob = 255;
- base_skip_false_prob[i][0] = skip_prob;
+ base_skip_false_prob[i][1] = clip_prob(t);
+ base_skip_false_prob[i][2] = clip_prob(t * 3 / 4);
+ base_skip_false_prob[i][0] = clip_prob(t * 5 / 4);
}
}
void update_pred_filt_prob(VP9_COMP *cpi) {
VP9_COMMON *cm = &cpi->common;
- int prob_pred_filter_off;
// Based on the selection in the previous frame determine what mode
// to use for the current frame and work out the signaling probability
- if (cpi->pred_filter_on_count + cpi->pred_filter_off_count) {
- prob_pred_filter_off = cpi->pred_filter_off_count * 256 /
- (cpi->pred_filter_on_count + cpi->pred_filter_off_count);
-
- if (prob_pred_filter_off < 1)
- prob_pred_filter_off = 1;
-
- if (prob_pred_filter_off > 255)
- prob_pred_filter_off = 255;
-
- cm->prob_pred_filter_off = prob_pred_filter_off;
- } else
- cm->prob_pred_filter_off = 128;
+ cm->prob_pred_filter_off = get_binary_prob(cpi->pred_filter_off_count,
+ cpi->pred_filter_on_count);
/*
{
FILE *fp = fopen("filt_use.txt", "a");
int pred_flag;
int pred_ctx;
int i;
- int tot_count;
vp9_prob pred_prob, new_pred_prob;
int seg_ref_active;
// Predict probability for current frame based on stats so far
pred_ctx = vp9_get_pred_context(cm, xd, PRED_REF);
- tot_count = cpi->ref_pred_count[pred_ctx][0] + cpi->ref_pred_count[pred_ctx][1];
- if (tot_count) {
- new_pred_prob =
- (cpi->ref_pred_count[pred_ctx][0] * 255 + (tot_count >> 1)) / tot_count;
- new_pred_prob += !new_pred_prob;
- } else
- new_pred_prob = 128;
+ new_pred_prob = get_binary_prob(cpi->ref_pred_count[pred_ctx][0],
+ cpi->ref_pred_count[pred_ctx][1]);
// Get the set of probabilities to use if prediction fails
mod_refprobs = cm->mod_refprobs[pred_ref];
int *segcounts,
vp9_prob *segment_tree_probs) {
int count1, count2;
- int tot_count;
- int i;
-
- // Blank the strtucture to start with
- vpx_memset(segment_tree_probs, 0,
- MB_FEATURE_TREE_PROBS * sizeof(*segment_tree_probs));
// Total count for all segments
count1 = segcounts[0] + segcounts[1];
count2 = segcounts[2] + segcounts[3];
- tot_count = count1 + count2;
// Work out probabilities of each segment
- if (tot_count)
- segment_tree_probs[0] = (count1 * 255) / tot_count;
- if (count1 > 0)
- segment_tree_probs[1] = (segcounts[0] * 255) / count1;
- if (count2 > 0)
- segment_tree_probs[2] = (segcounts[2] * 255) / count2;
-
- // Clamp probabilities to minimum allowed value
- for (i = 0; i < MB_FEATURE_TREE_PROBS; i++) {
- if (segment_tree_probs[i] == 0)
- segment_tree_probs[i] = 1;
- }
+ segment_tree_probs[0] = get_binary_prob(count1, count2);
+ segment_tree_probs[1] = get_prob(segcounts[0], count1);
+ segment_tree_probs[2] = get_prob(segcounts[2], count2);
}
// Based on set of segment counts and probabilities calculate a cost estimate
MACROBLOCKD *const xd = &cpi->mb.e_mbd;
int i;
- int tot_count;
int no_pred_cost;
int t_pred_cost = INT_MAX;
int pred_context;
// Add in the cost of the signalling for each prediction context
for (i = 0; i < PREDICTION_PROBS; i++) {
- tot_count = temporal_predictor_count[i][0] +
- temporal_predictor_count[i][1];
-
- // Work out the context probabilities for the segment
- // prediction flag
- if (tot_count) {
- t_nopred_prob[i] = (temporal_predictor_count[i][0] * 255) /
- tot_count;
-
- // Clamp to minimum allowed value
- if (t_nopred_prob[i] < 1)
- t_nopred_prob[i] = 1;
- } else
- t_nopred_prob[i] = 1;
+ t_nopred_prob[i] = get_binary_prob(temporal_predictor_count[i][0],
+ temporal_predictor_count[i][1]);
// Add in the predictor signaling cost
t_pred_cost += (temporal_predictor_count[i][0] *
coef_counts[t] = context_counters[type][band][pt][t];
vp9_tree_probs_from_distribution(MAX_ENTROPY_TOKENS,
vp9_coef_encodings, vp9_coef_tree,
- coef_probs, branch_ct, coef_counts,
- 256, 1);
+ coef_probs, branch_ct, coef_counts);
fprintf(f, "%s\n {", Comma(pt));
t = 0;
projects / platform / upstream / libvpx.git / commitdiff