hashirama/uvg266
1
0
Fork 0
mirror of https://github.com/ultravideo/uvg266.git synced 2024-11-24 02:24:07 +00:00
Code Issues Actions Projects Releases Wiki Activity

Fixed dequantization of inter-blocks

Browse source
This commit is contained in:
Marko Viitanen 2013-10-10 15:22:25 +03:00
parent bc815e8cd2
commit 3d8e14f58b
3 changed files with 6 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/encoder.c
View file

@ -1573,7 +1573,7 @@ void encode_transform_tree(encoder_control *encoder, transform_info *ti,
// if non-zero coeffs
if (cb_y) {
// RECONSTRUCT for predictions
dequant(encoder, coeff_y, pre_quant_coeff, width, width, 0);
dequant(encoder, coeff_y, pre_quant_coeff, width, width, 0, ti->block_type);
itransform2d(block,pre_quant_coeff,width,0);
i = 0;
@ -1646,7 +1646,7 @@ void encode_transform_tree(encoder_control *encoder, transform_info *ti,
if (cb_u) {
// RECONSTRUCT for predictions
dequant(encoder, coeff_u, pre_quant_coeff, width >> 1, width >> 1, 2);
dequant(encoder, coeff_u, pre_quant_coeff, width >> 1, width >> 1, 2, ti->block_type);
itransform2d(block,pre_quant_coeff,LCU_WIDTH>>(depth+1),65535);
i = 0;
@ -1672,7 +1672,7 @@ void encode_transform_tree(encoder_control *encoder, transform_info *ti,
if (cb_v) {
// RECONSTRUCT for predictions
dequant(encoder, coeff_v, pre_quant_coeff, width >> 1, width >> 1, 3);
dequant(encoder, coeff_v, pre_quant_coeff, width >> 1, width >> 1, 3, ti->block_type);
itransform2d(block,pre_quant_coeff,LCU_WIDTH>>(depth+1),65535);
i = 0;

4
src/transform.c
View file

@ -903,7 +903,7 @@ void quant(encoder_control *encoder, int16_t *coef, int16_t *q_coef, int32_t wid
* \brief inverse quantize transformed and quantized coefficents
*
*/
void dequant(encoder_control *encoder, int16_t *q_coef, int16_t *coef, int32_t width, int32_t height,int8_t type)
void dequant(encoder_control *encoder, int16_t *q_coef, int16_t *coef, int32_t width, int32_t height,int8_t type, int8_t block_type)
{
int32_t shift,add,coeff_q;
uint32_t log2_tr_size = g_convert_to_bit[ width ] + 2;
@ -912,7 +912,7 @@ void dequant(encoder_control *encoder, int16_t *q_coef, int16_t *coef, int32_t w
int32_t transform_shift = 15 - g_bitdepth - (g_convert_to_bit[ width ] + 2);
int32_t qp_scaled;
int32_t qp_base = encoder->QP;
int32_t scalinglist_type = (/*pcCU->isintra(uiAbsPartIdx)*/1 ? 0 : 3) + (int8_t)("\0\3\1\2"[type]);
int32_t scalinglist_type = (block_type == CU_INTRA ? 0 : 3) + (int8_t)("\0\3\1\2"[type]);
int32_t *dequant_coef;
if (type == 0) {

2
src/transform.h
View file

@ -24,7 +24,7 @@ extern const uint8_t g_chroma_scale[58];
void quant(encoder_control *encoder, int16_t *coef, int16_t *q_coef, int32_t width,
int32_t height, uint32_t *ac_sum, int8_t type, int8_t scan_idx, int8_t block_type);
void dequant(encoder_control *encoder, int16_t *q_coef, int16_t *coef, int32_t width, int32_t height,int8_t type);
void dequant(encoder_control *encoder, int16_t *q_coef, int16_t *coef, int32_t width, int32_t height,int8_t type, int8_t block_type);
void transform2d(int16_t *block,int16_t *coeff, int8_t block_size, int32_t mode);
void itransform2d(int16_t *block,int16_t *coeff, int8_t block_size, int32_t mode);