Skip to content
GitLab
Commit d7489ea4 authored by Deb Mukherjee's avatar Deb Mukherjee Committed by Gerrit Code Review
Browse files

Merge "Minor refactoring of superblock decoding" into experimental

parents 3e3fffe0 be08b5af
Hide whitespace changes
Inline Side-by-side
vp9/decoder/vp9_decodframe.c
View file @ d7489ea4
......@@ -544,6 +544,154 @@ static void decode_4x4(VP9D_COMP *pbi, MACROBLOCKD *xd,
}
#if CONFIG_SUPERBLOCKS
static void decode_16x16_sb(VP9D_COMP *pbi, MACROBLOCKD *xd,
BOOL_DECODER* const bc, int n) {
BLOCKD *b = &xd->block[24];
int x_idx = n & 1, y_idx = n >> 1;
TX_TYPE tx_type = get_tx_type_16x16(xd, &xd->block[0]);
if (tx_type != DCT_DCT) {
vp9_ht_dequant_idct_add_16x16_c(
tx_type, xd->qcoeff, xd->block[0].dequant,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_stride, xd->dst.y_stride);
} else {
vp9_dequant_idct_add_16x16(
xd->qcoeff, xd->block[0].dequant,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_stride, xd->dst.y_stride, xd->eobs[0]);
}
vp9_dequant_idct_add_uv_block_8x8_inplace_c(
xd->qcoeff + 16 * 16,
xd->block[16].dequant,
xd->dst.u_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.v_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.uv_stride, xd->eobs + 16, xd);
};
static void decode_8x8_sb(VP9D_COMP *pbi, MACROBLOCKD *xd,
BOOL_DECODER* const bc, int n) {
BLOCKD *b = &xd->block[24];
int x_idx = n & 1, y_idx = n >> 1;
TX_TYPE tx_type = get_tx_type_8x8(xd, &xd->block[0]);
if (tx_type != DCT_DCT) {
int i;
for (i = 0; i < 4; i++) {
int ib = vp9_i8x8_block[i];
const int iblock[4] = {0, 1, 4, 5};
const int ioffset[4] = {0, 1, 0, 1};
int idx = (ib & 0x02) ? (ib + 2) : ib;
int i8x8mode = -1;
short *q = xd->block[idx].qcoeff;
short *dq = xd->block[0].dequant;
unsigned char *pre = xd->block[ib].predictor;
unsigned char *dst = *(xd->block[ib].base_dst) + xd->block[ib].dst;
int stride = xd->dst.y_stride;
BLOCKD *b = &xd->block[ib];
tx_type = get_tx_type_8x8(xd, &xd->block[ib]);
if (tx_type != DCT_DCT) {
vp9_ht_dequant_idct_add_8x8_c(
tx_type, q, dq,
xd->dst.y_buffer + (y_idx * 16 + (i / 2) * 8) * xd->dst.y_stride
+ x_idx * 16 + (i & 1) * 8,
xd->dst.y_buffer + (y_idx * 16 + (i / 2) * 8) * xd->dst.y_stride
+ x_idx * 16 + (i & 1) * 8,
stride, stride);
} else {
vp9_dequant_idct_add_8x8_c(
q, dq,
xd->dst.y_buffer + (y_idx * 16 + (i / 2) * 8) * xd->dst.y_stride
+ x_idx * 16 + (i & 1) * 8,
xd->dst.y_buffer + (y_idx * 16 + (i / 2) * 8) * xd->dst.y_stride
+ x_idx * 16 + (i & 1) * 8,
stride, stride, 0, b->eob);
}
vp9_dequant_idct_add_uv_block_8x8_inplace_c(
xd->qcoeff + 16 * 16, xd->block[16].dequant,
xd->dst.u_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.v_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.uv_stride, xd->eobs + 16, xd);
}
} else {
vp9_dequantize_b_2x2(b);
vp9_short_ihaar2x2(&b->dqcoeff[0], b->diff, 8);
((int *)b->qcoeff)[0] = 0; // 2nd order block are set to 0 after idct
((int *)b->qcoeff)[1] = 0;
((int *)b->qcoeff)[2] = 0;
((int *)b->qcoeff)[3] = 0;
((int *)b->qcoeff)[4] = 0;
((int *)b->qcoeff)[5] = 0;
((int *)b->qcoeff)[6] = 0;
((int *)b->qcoeff)[7] = 0;
vp9_dequant_dc_idct_add_y_block_8x8_inplace_c(
xd->qcoeff, xd->block[0].dequant,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_stride, xd->eobs, xd->block[24].diff, xd);
vp9_dequant_idct_add_uv_block_8x8_inplace_c(
xd->qcoeff + 16 * 16, xd->block[16].dequant,
xd->dst.u_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.v_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.uv_stride, xd->eobs + 16, xd);
}
};
static void decode_4x4_sb(VP9D_COMP *pbi, MACROBLOCKD *xd,
BOOL_DECODER* const bc, int n) {
BLOCKD *b = &xd->block[24];
int x_idx = n & 1, y_idx = n >> 1;
TX_TYPE tx_type = get_tx_type_4x4(xd, &xd->block[0]);
if (tx_type != DCT_DCT) {
int i;
for (i = 0; i < 16; i++) {
BLOCKD *b = &xd->block[i];
tx_type = get_tx_type_4x4(xd, b);
if (tx_type != DCT_DCT) {
vp9_ht_dequant_idct_add_c(
tx_type, b->qcoeff, b->dequant,
xd->dst.y_buffer + (y_idx * 16 + (i / 4) * 4) * xd->dst.y_stride
+ x_idx * 16 + (i & 3) * 4,
xd->dst.y_buffer + (y_idx * 16 + (i / 4) * 4) * xd->dst.y_stride
+ x_idx * 16 + (i & 3) * 4,
xd->dst.y_stride, xd->dst.y_stride);
} else {
vp9_dequant_idct_add_c(
b->qcoeff, b->dequant,
xd->dst.y_buffer + (y_idx * 16 + (i / 4) * 4) * xd->dst.y_stride
+ x_idx * 16 + (i & 3) * 4,
xd->dst.y_buffer + (y_idx * 16 + (i / 4) * 4) * xd->dst.y_stride
+ x_idx * 16 + (i & 3) * 4,
xd->dst.y_stride, xd->dst.y_stride);
}
}
} else {
vp9_dequantize_b(b);
if (xd->eobs[24] > 1) {
vp9_short_inv_walsh4x4(&b->dqcoeff[0], b->diff);
((int *)b->qcoeff)[0] = 0;
((int *)b->qcoeff)[1] = 0;
((int *)b->qcoeff)[2] = 0;
((int *)b->qcoeff)[3] = 0;
((int *)b->qcoeff)[4] = 0;
((int *)b->qcoeff)[5] = 0;
((int *)b->qcoeff)[6] = 0;
((int *)b->qcoeff)[7] = 0;
} else {
xd->inv_walsh4x4_1(&b->dqcoeff[0], b->diff);
((int *)b->qcoeff)[0] = 0;
}
vp9_dequant_dc_idct_add_y_block_4x4_inplace_c(
xd->qcoeff, xd->block[0].dequant,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_stride, xd->eobs, xd->block[24].diff, xd);
}
vp9_dequant_idct_add_uv_block_4x4_inplace_c(
xd->qcoeff + 16 * 16, xd->block[16].dequant,
xd->dst.u_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.v_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.uv_stride, xd->eobs + 16, xd);
};
static void decode_superblock(VP9D_COMP *pbi, MACROBLOCKD *xd,
int mb_row, unsigned int mb_col,
BOOL_DECODER* const bc) {
......@@ -592,7 +740,6 @@ static void decode_superblock(VP9D_COMP *pbi, MACROBLOCKD *xd,
/* dequantization and idct */
for (n = 0; n < 4; n++) {
BLOCKD *b = &xd->block[24];
int x_idx = n & 1, y_idx = n >> 1;
if (mb_col + x_idx >= pc->mb_cols || mb_row + y_idx >= pc->mb_rows)
......@@ -613,136 +760,11 @@ static void decode_superblock(VP9D_COMP *pbi, MACROBLOCKD *xd,
}
if (tx_size == TX_16X16) {
TX_TYPE tx_type = get_tx_type_16x16(xd, &xd->block[0]);
if (tx_type != DCT_DCT) {
vp9_ht_dequant_idct_add_16x16_c(
tx_type, xd->qcoeff, xd->block[0].dequant,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_stride, xd->dst.y_stride);
} else {
vp9_dequant_idct_add_16x16(
xd->qcoeff, xd->block[0].dequant,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_stride, xd->dst.y_stride, xd->eobs[0]);
}
vp9_dequant_idct_add_uv_block_8x8_inplace_c(xd->qcoeff + 16 * 16,
xd->block[16].dequant,
xd->dst.u_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.v_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.uv_stride, xd->eobs + 16, xd);
decode_16x16_sb(pbi, xd, bc, n);
} else if (tx_size == TX_8X8) {
TX_TYPE tx_type = get_tx_type_8x8(xd, &xd->block[0]);
if (tx_type != DCT_DCT) {
int i;
for (i = 0; i < 4; i++) {
int ib = vp9_i8x8_block[i];
const int iblock[4] = {0, 1, 4, 5};
const int ioffset[4] = {0, 1, 0, 1};
int idx = (ib & 0x02) ? (ib + 2) : ib;
int i8x8mode = -1;
short *q = xd->block[idx].qcoeff;
short *dq = xd->block[0].dequant;
unsigned char *pre = xd->block[ib].predictor;
unsigned char *dst = *(xd->block[ib].base_dst) + xd->block[ib].dst;
int stride = xd->dst.y_stride;
BLOCKD *b = &xd->block[ib];
tx_type = get_tx_type_8x8(xd, &xd->block[ib]);
if (tx_type != DCT_DCT) {
vp9_ht_dequant_idct_add_8x8_c(
tx_type, q, dq,
xd->dst.y_buffer + (y_idx * 16 + (i / 2) * 8) * xd->dst.y_stride
+ x_idx * 16 + (i & 1) * 8,
xd->dst.y_buffer + (y_idx * 16 + (i / 2) * 8) * xd->dst.y_stride
+ x_idx * 16 + (i & 1) * 8,
stride, stride);
} else {
vp9_dequant_idct_add_8x8_c(
q, dq,
xd->dst.y_buffer + (y_idx * 16 + (i / 2) * 8) * xd->dst.y_stride
+ x_idx * 16 + (i & 1) * 8,
xd->dst.y_buffer + (y_idx * 16 + (i / 2) * 8) * xd->dst.y_stride
+ x_idx * 16 + (i & 1) * 8,
stride, stride, 0, b->eob);
}
vp9_dequant_idct_add_uv_block_8x8_inplace_c(
xd->qcoeff + 16 * 16, xd->block[16].dequant,
xd->dst.u_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.v_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.uv_stride, xd->eobs + 16, xd);
}
} else {
vp9_dequantize_b_2x2(b);
vp9_short_ihaar2x2(&b->dqcoeff[0], b->diff, 8);
((int *)b->qcoeff)[0] = 0; // 2nd order block are set to 0 after idct
((int *)b->qcoeff)[1] = 0;
((int *)b->qcoeff)[2] = 0;
((int *)b->qcoeff)[3] = 0;
((int *)b->qcoeff)[4] = 0;
((int *)b->qcoeff)[5] = 0;
((int *)b->qcoeff)[6] = 0;
((int *)b->qcoeff)[7] = 0;
vp9_dequant_dc_idct_add_y_block_8x8_inplace_c(
xd->qcoeff, xd->block[0].dequant,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_stride, xd->eobs, xd->block[24].diff, xd);
vp9_dequant_idct_add_uv_block_8x8_inplace_c(
xd->qcoeff + 16 * 16, xd->block[16].dequant,
xd->dst.u_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.v_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.uv_stride, xd->eobs + 16, xd);
}
decode_8x8_sb(pbi, xd, bc, n);
} else {
TX_TYPE tx_type = get_tx_type_4x4(xd, &xd->block[0]);
if (tx_type != DCT_DCT) {
for (i = 0; i < 16; i++) {
BLOCKD *b = &xd->block[i];
tx_type = get_tx_type_4x4(xd, b);
if (tx_type != DCT_DCT) {
vp9_ht_dequant_idct_add_c(
tx_type, b->qcoeff, b->dequant,
xd->dst.y_buffer + (y_idx * 16 + (i / 4) * 4) * xd->dst.y_stride
+ x_idx * 16 + (i & 3) * 4,
xd->dst.y_buffer + (y_idx * 16 + (i / 4) * 4) * xd->dst.y_stride
+ x_idx * 16 + (i & 3) * 4,
xd->dst.y_stride, xd->dst.y_stride);
} else {
vp9_dequant_idct_add_c(
b->qcoeff, b->dequant,
xd->dst.y_buffer + (y_idx * 16 + (i / 4) * 4) * xd->dst.y_stride
+ x_idx * 16 + (i & 3) * 4,
xd->dst.y_buffer + (y_idx * 16 + (i / 4) * 4) * xd->dst.y_stride
+ x_idx * 16 + (i & 3) * 4,
xd->dst.y_stride, xd->dst.y_stride);
}
}
} else {
vp9_dequantize_b(b);
if (xd->eobs[24] > 1) {
vp9_short_inv_walsh4x4(&b->dqcoeff[0], b->diff);
((int *)b->qcoeff)[0] = 0;
((int *)b->qcoeff)[1] = 0;
((int *)b->qcoeff)[2] = 0;
((int *)b->qcoeff)[3] = 0;
((int *)b->qcoeff)[4] = 0;
((int *)b->qcoeff)[5] = 0;
((int *)b->qcoeff)[6] = 0;
((int *)b->qcoeff)[7] = 0;
} else {
xd->inv_walsh4x4_1(&b->dqcoeff[0], b->diff);
((int *)b->qcoeff)[0] = 0;
}
vp9_dequant_dc_idct_add_y_block_4x4_inplace_c(
xd->qcoeff, xd->block[0].dequant,
xd->dst.y_buffer + y_idx * 16 * xd->dst.y_stride + x_idx * 16,
xd->dst.y_stride, xd->eobs, xd->block[24].diff, xd);
}
vp9_dequant_idct_add_uv_block_4x4_inplace_c(
xd->qcoeff + 16 * 16, xd->block[16].dequant,
xd->dst.u_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.v_buffer + y_idx * 8 * xd->dst.uv_stride + x_idx * 8,
xd->dst.uv_stride, xd->eobs + 16, xd);
decode_4x4_sb(pbi, xd, bc, n);
}
}
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment