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st/omx/dec/h265: add scaling list data

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Specified by subclause 7.3.4

v2: get the loop optimized

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Leo Liu 2016-09-29 16:55:59 -04:00
parent ffb863fd2c
commit 0e85ff3355
1 changed files with 97 additions and 5 deletions
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102
src/gallium/state_trackers/omx/vid_dec_h265.c
View file

@ -57,6 +57,28 @@ enum {
NAL_UNIT_TYPE_PPS = 34,
};
static const uint8_t Default_8x8_Intra[64] = {
16, 16, 16, 16, 17, 18, 21, 24,
16, 16, 16, 16, 17, 19, 22, 25,
16, 16, 17, 18, 20, 22, 25, 29,
16, 16, 18, 21, 24, 27, 31, 36,
17, 17, 20, 24, 30, 35, 41, 47,
18, 19, 22, 27, 35, 44, 54, 65,
21, 22, 25, 31, 41, 54, 70, 88,
24, 25, 29, 36, 47, 65, 88, 115
};
static const uint8_t Default_8x8_Inter[64] = {
16, 16, 16, 16, 17, 18, 20, 24,
16, 16, 16, 17, 18, 20, 24, 25,
16, 16, 17, 18, 20, 24, 25, 28,
16, 17, 18, 20, 24, 25, 28, 33,
17, 18, 20, 24, 25, 28, 33, 41,
18, 20, 24, 25, 28, 33, 41, 54,
20, 24, 25, 28, 33, 41, 54, 71,
24, 25, 28, 33, 41, 54, 71, 91
};
struct dpb_list {
struct list_head list;
struct pipe_video_buffer *buffer;
@ -188,10 +210,80 @@ static unsigned profile_tier_level(struct vl_rbsp *rbsp,
return level_idc;
}
static void scaling_list_data(void)
static void scaling_list_data(vid_dec_PrivateType *priv,
struct vl_rbsp *rbsp, struct pipe_h265_sps *sps)
{
/* TODO */
assert(0);
unsigned size_id, matrix_id;
unsigned scaling_list_len[4] = { 16, 64, 64, 64 };
uint8_t scaling_list4x4[6][64] = { };
int i;
uint8_t (*scaling_list_data[4])[6][64] = {
(uint8_t (*)[6][64])scaling_list4x4,
(uint8_t (*)[6][64])sps->ScalingList8x8,
(uint8_t (*)[6][64])sps->ScalingList16x16,
(uint8_t (*)[6][64])sps->ScalingList32x32
};
uint8_t (*scaling_list_dc_coeff[2])[6] = {
(uint8_t (*)[6])sps->ScalingListDCCoeff16x16,
(uint8_t (*)[6])sps->ScalingListDCCoeff32x32
};
for (size_id = 0; size_id < 4; ++size_id) {
for (matrix_id = 0; matrix_id < ((size_id == 3) ? 2 : 6); ++matrix_id) {
bool scaling_list_pred_mode_flag = vl_rbsp_u(rbsp, 1);
if (!scaling_list_pred_mode_flag) {
/* scaling_list_pred_matrix_id_delta */;
unsigned matrix_id_with_delta = matrix_id - vl_rbsp_ue(rbsp);
if (matrix_id != matrix_id_with_delta) {
memcpy((*scaling_list_data[size_id])[matrix_id],
(*scaling_list_data[size_id])[matrix_id_with_delta],
scaling_list_len[size_id]);
if (size_id > 1)
(*scaling_list_dc_coeff[size_id - 2])[matrix_id] =
(*scaling_list_dc_coeff[size_id - 2])[matrix_id_with_delta];
} else {
const uint8_t *d;
if (size_id == 0)
memset((*scaling_list_data[0])[matrix_id], 16, 16);
else {
if (size_id < 3)
d = (matrix_id < 3) ? Default_8x8_Intra : Default_8x8_Inter;
else
d = (matrix_id < 1) ? Default_8x8_Intra : Default_8x8_Inter;
memcpy((*scaling_list_data[size_id])[matrix_id], d,
scaling_list_len[size_id]);
}
if (size_id > 1)
(*scaling_list_dc_coeff[size_id - 2])[matrix_id] = 16;
}
} else {
int next_coef = 8;
int coef_num = MIN2(64, (1 << (4 + (size_id << 1))));
if (size_id > 1) {
/* scaling_list_dc_coef_minus8 */
next_coef = vl_rbsp_se(rbsp) + 8;
(*scaling_list_dc_coeff[size_id - 2])[matrix_id] = next_coef;
}
for (i = 0; i < coef_num; ++i) {
/* scaling_list_delta_coef */
next_coef = (next_coef + vl_rbsp_se(rbsp) + 256) % 256;
(*scaling_list_data[size_id])[matrix_id][i] = next_coef;
}
}
}
}
for (i = 0; i < 6; ++i)
memcpy(sps->ScalingList4x4[i], scaling_list4x4[i], 16);
return;
}
static void st_ref_pic_set(vid_dec_PrivateType *priv, struct vl_rbsp *rbsp,
@ -385,7 +477,7 @@ static void seq_parameter_set(vid_dec_PrivateType *priv, struct vl_rbsp *rbsp)
if (sps->scaling_list_enabled_flag)
/* sps_scaling_list_data_present_flag */
if (vl_rbsp_u(rbsp, 1))
scaling_list_data();
scaling_list_data(priv, rbsp, sps);
sps->amp_enabled_flag = vl_rbsp_u(rbsp, 1);
sps->sample_adaptive_offset_enabled_flag = vl_rbsp_u(rbsp, 1);
@ -508,7 +600,7 @@ static void picture_parameter_set(vid_dec_PrivateType *priv,
/* pps_scaling_list_data_present_flag */
if (vl_rbsp_u(rbsp, 1))
scaling_list_data();
scaling_list_data(priv, rbsp, sps);
pps->lists_modification_present_flag = vl_rbsp_u(rbsp, 1);
pps->log2_parallel_merge_level_minus2 = vl_rbsp_ue(rbsp);