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cbs_h266: H266RawPredWeightTable, expose num_weights_l0 and num_weights_l1

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Nuo Mi 2023-08-08 18:59:01 +08:00 committed by James Almer
parent ea8571dc99
commit 088bda0f8e
2 changed files with 23 additions and 23 deletions
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3
libavcodec/cbs_h266.h
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@ -666,6 +666,9 @@ typedef struct H266RawPredWeightTable {
int8_t luma_offset_l1[15]; int8_t luma_offset_l1[15];
int8_t delta_chroma_weight_l1[15][2]; int8_t delta_chroma_weight_l1[15][2];
int16_t delta_chroma_offset_l1[15][2]; int16_t delta_chroma_offset_l1[15][2];
uint8_t num_weights_l0; ///< NumWeightsL0
uint8_t num_weights_l1; ///< NumWeightsL1
} H266RawPredWeightTable; } H266RawPredWeightTable;
typedef struct H266RawPictureHeader { typedef struct H266RawPictureHeader {

43
libavcodec/cbs_h266_syntax_template.c
View File

@ -2507,7 +2507,6 @@ static int FUNC(pred_weight_table) (CodedBitstreamContext *ctx, RWContext *rw,
H266RawPredWeightTable *current) H266RawPredWeightTable *current)
{ {
int err, i, j; int err, i, j;
uint8_t num_weights_l0, num_weights_l1;
ue(luma_log2_weight_denom, 0, 7); ue(luma_log2_weight_denom, 0, 7);
if (sps->sps_chroma_format_idc != 0) { if (sps->sps_chroma_format_idc != 0) {
se(delta_chroma_log2_weight_denom, se(delta_chroma_log2_weight_denom,
@ -2516,21 +2515,21 @@ static int FUNC(pred_weight_table) (CodedBitstreamContext *ctx, RWContext *rw,
} else { } else {
infer(delta_chroma_log2_weight_denom, 0); infer(delta_chroma_log2_weight_denom, 0);
} }
if (pps->pps_wp_info_in_ph_flag) if (pps->pps_wp_info_in_ph_flag) {
ue(num_l0_weights, 0, ue(num_l0_weights, 0,
FFMIN(15, ref_lists->rpl_ref_list[0].num_ref_entries)); FFMIN(15, ref_lists->rpl_ref_list[0].num_ref_entries));
else infer(num_weights_l0, current->num_l0_weights);
infer(num_l0_weights, 0); } else {
num_weights_l0 = pps->pps_wp_info_in_ph_flag ? infer(num_weights_l0, num_ref_idx_active[0]);
current->num_l0_weights : num_ref_idx_active[0]; }
for (i = 0; i < num_weights_l0; i++) { for (i = 0; i < current->num_weights_l0; i++) {
flags(luma_weight_l0_flag[i], 1, i); flags(luma_weight_l0_flag[i], 1, i);
} }
if (sps->sps_chroma_format_idc != 0) { if (sps->sps_chroma_format_idc != 0) {
for (i = 0; i < num_weights_l0; i++) for (i = 0; i < current->num_weights_l0; i++)
flags(chroma_weight_l0_flag[i], 1, i); flags(chroma_weight_l0_flag[i], 1, i);
} }
for (i = 0; i < num_weights_l0; i++) { for (i = 0; i < current->num_weights_l0; i++) {
if (current->luma_weight_l0_flag[i]) { if (current->luma_weight_l0_flag[i]) {
ses(delta_luma_weight_l0[i], -128, 127, 1, i); ses(delta_luma_weight_l0[i], -128, 127, 1, i);
ses(luma_offset_l0[i], -128, 127, 1, i); ses(luma_offset_l0[i], -128, 127, 1, i);
@ -2546,28 +2545,26 @@ static int FUNC(pred_weight_table) (CodedBitstreamContext *ctx, RWContext *rw,
} }
} }
if (pps->pps_weighted_bipred_flag && pps->pps_wp_info_in_ph_flag && if (pps->pps_weighted_bipred_flag &&
ref_lists->rpl_ref_list[1].num_ref_entries > 0) { ref_lists->rpl_ref_list[1].num_ref_entries > 0) {
ue(num_l1_weights, 0, if (pps->pps_wp_info_in_ph_flag) {
FFMIN(15, ref_lists->rpl_ref_list[1].num_ref_entries)); ue(num_l1_weights, 0,
} FFMIN(15, ref_lists->rpl_ref_list[1].num_ref_entries));
if (!pps->pps_weighted_bipred_flag || infer(num_weights_l1, current->num_l1_weights);
(pps->pps_wp_info_in_ph_flag && } else {
ref_lists->rpl_ref_list[1].num_ref_entries == 0)) { infer(num_weights_l1, num_ref_idx_active[1]);
num_weights_l1 = 0; }
} else if (pps->pps_wp_info_in_ph_flag) {
num_weights_l1 = current->num_l1_weights;
} else { } else {
num_weights_l1 = num_ref_idx_active[1]; infer(num_weights_l1, 0);
} }
for (i = 0; i < num_weights_l1; i++) for (i = 0; i < current->num_weights_l1; i++)
flags(luma_weight_l1_flag[i], 1, i); flags(luma_weight_l1_flag[i], 1, i);
if (sps->sps_chroma_format_idc != 0) { if (sps->sps_chroma_format_idc != 0) {
for (i = 0; i < num_weights_l1; i++) for (i = 0; i < current->num_weights_l1; i++)
flags(chroma_weight_l1_flag[i], 1, i); flags(chroma_weight_l1_flag[i], 1, i);
} }
for (i = 0; i < num_weights_l1; i++) { for (i = 0; i < current->num_weights_l1; i++) {
if (current->luma_weight_l1_flag[i]) { if (current->luma_weight_l1_flag[i]) {
ses(delta_luma_weight_l1[i], -128, 127, 1, i); ses(delta_luma_weight_l1[i], -128, 127, 1, i);
ses(luma_offset_l1[i], -128, 127, 1, i); ses(luma_offset_l1[i], -128, 127, 1, i);