static void pred_weight_table( h264_decoder* dec_params)
{
Slice *currSlice = dec_params->img->currentSlice;
DataPartition *partition = &(currSlice->partArr[0]);
Bitstream *currStream = partition->bitstream;
int luma_weight_flag_l0, luma_weight_flag_l1, chroma_weight_flag_l0, chroma_weight_flag_l1;
int i,j;
dec_params->img->luma_log2_weight_denom = ue_v ("SH: luma_log2_weight_denom", currStream,dec_params);
dec_params->img->wp_round_luma = dec_params->img->luma_log2_weight_denom ? 1<<(dec_params->img->luma_log2_weight_denom - 1): 0;
dec_params->img->chroma_log2_weight_denom = ue_v ("SH: chroma_log2_weight_denom", currStream,dec_params);
dec_params->img->wp_round_chroma = dec_params->img->chroma_log2_weight_denom ? 1<<(dec_params->img->chroma_log2_weight_denom - 1): 0;
reset_wp_params(dec_params->img);
for (i=0; i<dec_params->img->num_ref_idx_l0_active; i++)
{
luma_weight_flag_l0 = u_1("SH: luma_weight_flag_l0", currStream,dec_params);
if (luma_weight_flag_l0)
{
dec_params->img->apply_weights_luma = 1;
dec_params->img->wp_weight[0][i][0] = se_v ("SH: luma_weight_l0", currStream,dec_params);
dec_params->img->wp_offset[0][i][0] = se_v ("SH: luma_offset_l0", currStream,dec_params);
}
else
{
dec_params->img->wp_weight[0][i][0] = 1<<dec_params->img->luma_log2_weight_denom;
dec_params->img->wp_offset[0][i][0] = 0;
}
//if (dec_params->active_sps->chroma_format_idc != 0)
{
chroma_weight_flag_l0 = u_1 ("SH: chroma_weight_flag_l0", currStream,dec_params);
for (j=1; j<3; j++)
{
if (chroma_weight_flag_l0)
{
dec_params->img->wp_weight[0][i][j] = se_v("SH: chroma_weight_l0", currStream,dec_params);
dec_params->img->wp_offset[0][i][j] = se_v("SH: chroma_offset_l0", currStream,dec_params);
dec_params->img->apply_weights_chr = 1;
}
else
{
dec_params->img->wp_weight[0][i][j] = 1<<dec_params->img->chroma_log2_weight_denom;
dec_params->img->wp_offset[0][i][j] = 0;
}
}
}
}
if ((dec_params->img->type == B_SLICE) && dec_params->active_pps->weighted_bipred_idc == 1)
{
for (i=0; i<dec_params->img->num_ref_idx_l1_active; i++)
{
luma_weight_flag_l1 = u_1("SH: luma_weight_flag_l1", currStream,dec_params);
if (luma_weight_flag_l1)
{
dec_params->img->wp_weight[1][i][0] = se_v ("SH: luma_weight_l1", currStream,dec_params);
dec_params->img->wp_offset[1][i][0] = se_v ("SH: luma_offset_l1", currStream,dec_params);
dec_params->img->apply_weights_luma =1;
}
else
{
dec_params->img->wp_weight[1][i][0] = 1<<dec_params->img->luma_log2_weight_denom;
dec_params->img->wp_offset[1][i][0] = 0;
}
//if (dec_params->active_sps->chroma_format_idc != 0)
{
chroma_weight_flag_l1 = u_1 ("SH: chroma_weight_flag_l1", currStream,dec_params);
for (j=1; j<3; j++)
{
if (chroma_weight_flag_l1)
{
dec_params->img->wp_weight[1][i][j] = se_v("SH: chroma_weight_l1", currStream,dec_params);
dec_params->img->wp_offset[1][i][j] = se_v("SH: chroma_offset_l1", currStream,dec_params);
dec_params->img->apply_weights_chr = 1;
}
else
{
dec_params->img->wp_weight[1][i][j] = 1<<dec_params->img->chroma_log2_weight_denom;
dec_params->img->wp_offset[1][i][j] = 0;
}
}
}
}
}
}
/*!
************************************************************************
* \brief
* read the weighted prediction tables
************************************************************************
*/
static void pred_weight_table(Slice *currSlice)
{
VideoParameters *p_Vid = currSlice->p_Vid;
seq_parameter_set_rbsp_t *active_sps = p_Vid->active_sps;
byte dP_nr = assignSE2partition[currSlice->dp_mode][SE_HEADER];
DataPartition *partition = &(currSlice->partArr[dP_nr]);
Bitstream *currStream = partition->bitstream;
int luma_weight_flag_l0, luma_weight_flag_l1, chroma_weight_flag_l0, chroma_weight_flag_l1;
int i,j;
currSlice->luma_log2_weight_denom = (unsigned short) ue_v ("SH: luma_log2_weight_denom", currStream);
currSlice->wp_round_luma = currSlice->luma_log2_weight_denom ? 1<<(currSlice->luma_log2_weight_denom - 1): 0;
if ( 0 != active_sps->chroma_format_idc)
{
currSlice->chroma_log2_weight_denom = (unsigned short) ue_v ("SH: chroma_log2_weight_denom", currStream);
currSlice->wp_round_chroma = currSlice->chroma_log2_weight_denom ? 1<<(currSlice->chroma_log2_weight_denom - 1): 0;
}
reset_wp_params(currSlice);
for (i=0; i<currSlice->num_ref_idx_active[LIST_0]; i++)
{
luma_weight_flag_l0 = u_1("SH: luma_weight_flag_l0", currStream);
if (luma_weight_flag_l0)
{
currSlice->wp_weight[0][i][0] = se_v ("SH: luma_weight_l0", currStream);
currSlice->wp_offset[0][i][0] = se_v ("SH: luma_offset_l0", currStream);
currSlice->wp_offset[0][i][0] = currSlice->wp_offset[0][i][0]<<(p_Vid->bitdepth_luma - 8);
}
else
{
currSlice->wp_weight[0][i][0] = 1 << currSlice->luma_log2_weight_denom;
currSlice->wp_offset[0][i][0] = 0;
}
if (active_sps->chroma_format_idc != 0)
{
chroma_weight_flag_l0 = u_1 ("SH: chroma_weight_flag_l0", currStream);
for (j=1; j<3; j++)
{
if (chroma_weight_flag_l0)
{
currSlice->wp_weight[0][i][j] = se_v("SH: chroma_weight_l0", currStream);
currSlice->wp_offset[0][i][j] = se_v("SH: chroma_offset_l0", currStream);
currSlice->wp_offset[0][i][j] = currSlice->wp_offset[0][i][j]<<(p_Vid->bitdepth_chroma-8);
}
else
{
currSlice->wp_weight[0][i][j] = 1<<currSlice->chroma_log2_weight_denom;
currSlice->wp_offset[0][i][j] = 0;
}
}
}
}
if ((p_Vid->type == B_SLICE) && p_Vid->active_pps->weighted_bipred_idc == 1)
{
for (i=0; i<currSlice->num_ref_idx_active[LIST_1]; i++)
{
luma_weight_flag_l1 = u_1("SH: luma_weight_flag_l1", currStream);
if (luma_weight_flag_l1)
{
currSlice->wp_weight[1][i][0] = se_v ("SH: luma_weight_l1", currStream);
currSlice->wp_offset[1][i][0] = se_v ("SH: luma_offset_l1", currStream);
currSlice->wp_offset[1][i][0] = currSlice->wp_offset[1][i][0]<<(p_Vid->bitdepth_luma-8);
}
else
{
currSlice->wp_weight[1][i][0] = 1<<currSlice->luma_log2_weight_denom;
currSlice->wp_offset[1][i][0] = 0;
}
if (active_sps->chroma_format_idc != 0)
{
chroma_weight_flag_l1 = u_1 ("SH: chroma_weight_flag_l1", currStream);
for (j=1; j<3; j++)
{
if (chroma_weight_flag_l1)
{
currSlice->wp_weight[1][i][j] = se_v("SH: chroma_weight_l1", currStream);
currSlice->wp_offset[1][i][j] = se_v("SH: chroma_offset_l1", currStream);
currSlice->wp_offset[1][i][j] = currSlice->wp_offset[1][i][j]<<(p_Vid->bitdepth_chroma-8);
}
else
{
currSlice->wp_weight[1][i][j] = 1<<currSlice->chroma_log2_weight_denom;
currSlice->wp_offset[1][i][j] = 0;
}
}
}
}
}
}
/*!
************************************************************************
* \brief
* read the weighted prediction tables
************************************************************************
*/
static void pred_weight_table()
{
Slice *currSlice = img->currentSlice;
int dP_nr = assignSE2partition[currSlice->dp_mode][SE_HEADER];
DataPartition *partition = &(currSlice->partArr[dP_nr]);
Bitstream *currStream = partition->bitstream;
int luma_weight_flag_l0, luma_weight_flag_l1, chroma_weight_flag_l0, chroma_weight_flag_l1;
int i,j;
img->luma_log2_weight_denom = ue_v ("SH: luma_log2_weight_denom", currStream);
img->wp_round_luma = img->luma_log2_weight_denom ? 1<<(img->luma_log2_weight_denom - 1): 0;
if ( 0 != active_sps->chroma_format_idc)
{
img->chroma_log2_weight_denom = ue_v ("SH: chroma_log2_weight_denom", currStream);
img->wp_round_chroma = img->chroma_log2_weight_denom ? 1<<(img->chroma_log2_weight_denom - 1): 0;
}
reset_wp_params(img);
for (i=0; i<img->num_ref_idx_l0_active; i++)
{
luma_weight_flag_l0 = u_1("SH: luma_weight_flag_l0", currStream);
if (luma_weight_flag_l0)
{
img->wp_weight[0][i][0] = se_v ("SH: luma_weight_l0", currStream);
img->wp_offset[0][i][0] = se_v ("SH: luma_offset_l0", currStream);
}
else
{
img->wp_weight[0][i][0] = 1<<img->luma_log2_weight_denom;
img->wp_offset[0][i][0] = 0;
}
if (active_sps->chroma_format_idc != 0)
{
chroma_weight_flag_l0 = u_1 ("SH: chroma_weight_flag_l0", currStream);
for (j=1; j<3; j++)
{
if (chroma_weight_flag_l0)
{
img->wp_weight[0][i][j] = se_v("SH: chroma_weight_l0", currStream);
img->wp_offset[0][i][j] = se_v("SH: chroma_offset_l0", currStream);
}
else
{
img->wp_weight[0][i][j] = 1<<img->chroma_log2_weight_denom;
img->wp_offset[0][i][j] = 0;
}
}
}
}
if ((img->type == B_SLICE) && active_pps->weighted_bipred_idc == 1)
{
for (i=0; i<img->num_ref_idx_l1_active; i++)
{
luma_weight_flag_l1 = u_1("SH: luma_weight_flag_l1", currStream);
if (luma_weight_flag_l1)
{
img->wp_weight[1][i][0] = se_v ("SH: luma_weight_l1", currStream);
img->wp_offset[1][i][0] = se_v ("SH: luma_offset_l1", currStream);
}
else
{
img->wp_weight[1][i][0] = 1<<img->luma_log2_weight_denom;
img->wp_offset[1][i][0] = 0;
}
if (active_sps->chroma_format_idc != 0)
{
chroma_weight_flag_l1 = u_1 ("SH: chroma_weight_flag_l1", currStream);
for (j=1; j<3; j++)
{
if (chroma_weight_flag_l1)
{
img->wp_weight[1][i][j] = se_v("SH: chroma_weight_l1", currStream);
img->wp_offset[1][i][j] = se_v("SH: chroma_offset_l1", currStream);
}
else
{
img->wp_weight[1][i][j] = 1<<img->chroma_log2_weight_denom;
img->wp_offset[1][i][j] = 0;
}
}
}
}
}
}
