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Refactor loop filter implementation 

Make the loop filter operation to support scalable mode_info size.

Change-Id: Iad30b1b6176f29c840ec38ef777a6e2533ced04f
This commit is contained in:
Jingning Han 2016-12-12 11:12:39 -08:00
Родитель ea42c4e969
Коммит 01c472df30
1 изменённых файлов: 32 добавлений и 18 удалений
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50
av1/common/loopfilter.c
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@ -1260,8 +1260,8 @@ void av1_filter_block_plane_non420_ver(AV1_COMMON *cm,
int mi_col) {
const int ss_x = plane->subsampling_x;
const int ss_y = plane->subsampling_y;
const int row_step = 1 << ss_y;
const int col_step = 1 << ss_x;
const int row_step = mi_size_high[BLOCK_8X8] << ss_y;
const int col_step = mi_size_wide[BLOCK_8X8] << ss_x;
const int row_step_stride = cm->mi_stride * row_step;
struct buf_2d *const dst = &plane->dst;
uint8_t *const dst0 = dst->buf;
@ -1270,21 +1270,27 @@ void av1_filter_block_plane_non420_ver(AV1_COMMON *cm,
unsigned int mask_4x4[MAX_MIB_SIZE] = { 0 };
unsigned int mask_4x4_int[MAX_MIB_SIZE] = { 0 };
uint8_t lfl[MAX_MIB_SIZE][MAX_MIB_SIZE] = { { 0 } };
int r, c;
int idx_r, idx_c;
MODE_INFO **tmp_mi = mib;
for (r = 0; r < cm->mib_size && mi_row + r < cm->mi_rows; r += row_step) {
for (idx_r = 0; idx_r < cm->mib_size && mi_row + idx_r < cm->mi_rows;
idx_r += row_step) {
unsigned int mask_16x16_c = 0;
unsigned int mask_8x8_c = 0;
unsigned int mask_4x4_c = 0;
unsigned int border_mask;
int r = idx_r >> mi_height_log2_lookup[BLOCK_8X8];
// Determine the vertical edges that need filtering
for (c = 0; c < cm->mib_size && mi_col + c < cm->mi_cols; c += col_step) {
const MODE_INFO *mi = tmp_mi[c];
for (idx_c = 0; idx_c < cm->mib_size && mi_col + idx_c < cm->mi_cols;
idx_c += col_step) {
const MODE_INFO *mi = tmp_mi[idx_c];
const MB_MODE_INFO *mbmi = &mi[0].mbmi;
const BLOCK_SIZE sb_type = mbmi->sb_type;
const int skip_this = mbmi->skip && is_inter_block(mbmi);
// Map index to 8x8 unit
int c = idx_c >> mi_width_log2_lookup[BLOCK_8X8];
const int blk_row = r & (num_8x8_blocks_high_lookup[sb_type] - 1);
const int blk_col = c & (num_8x8_blocks_wide_lookup[sb_type] - 1);
@ -1422,7 +1428,7 @@ void av1_filter_block_plane_non420_ver(AV1_COMMON *cm,
mask_8x8_c & border_mask, mask_4x4_c & border_mask,
mask_4x4_int[r], &cm->lf_info, &lfl[r][0]);
#endif // CONFIG_AOM_HIGHBITDEPTH
dst->buf += MI_SIZE * dst->stride;
dst->buf += 8 * dst->stride;
tmp_mi += row_step_stride;
}
@ -1436,8 +1442,8 @@ void av1_filter_block_plane_non420_hor(AV1_COMMON *cm,
int mi_col) {
const int ss_x = plane->subsampling_x;
const int ss_y = plane->subsampling_y;
const int row_step = 1 << ss_y;
const int col_step = 1 << ss_x;
const int row_step = mi_size_high[BLOCK_8X8] << ss_y;
const int col_step = mi_size_wide[BLOCK_8X8] << ss_x;
const int row_step_stride = cm->mi_stride * row_step;
struct buf_2d *const dst = &plane->dst;
uint8_t *const dst0 = dst->buf;
@ -1446,19 +1452,24 @@ void av1_filter_block_plane_non420_hor(AV1_COMMON *cm,
unsigned int mask_4x4[MAX_MIB_SIZE] = { 0 };
unsigned int mask_4x4_int[MAX_MIB_SIZE] = { 0 };
uint8_t lfl[MAX_MIB_SIZE][MAX_MIB_SIZE];
int r, c;
int idx_r, idx_c;
MODE_INFO **tmp_mi = mib;
for (r = 0; r < cm->mib_size && mi_row + r < cm->mi_rows; r += row_step) {
for (idx_r = 0; idx_r < cm->mib_size && mi_row + idx_r < cm->mi_rows;
idx_r += row_step) {
unsigned int mask_16x16_c = 0;
unsigned int mask_8x8_c = 0;
unsigned int mask_4x4_c = 0;
const int r = idx_r >> mi_height_log2_lookup[BLOCK_8X8];
// Determine the vertical edges that need filtering
for (c = 0; c < cm->mib_size && mi_col + c < cm->mi_cols; c += col_step) {
const MODE_INFO *mi = tmp_mi[c];
for (idx_c = 0; idx_c < cm->mib_size && mi_col + idx_c < cm->mi_cols;
idx_c += col_step) {
const MODE_INFO *mi = tmp_mi[idx_c];
const MB_MODE_INFO *mbmi = &mi[0].mbmi;
const BLOCK_SIZE sb_type = mbmi->sb_type;
const int skip_this = mbmi->skip && is_inter_block(mbmi);
const int c = idx_c >> mi_width_log2_lookup[BLOCK_8X8];
const int blk_row = r & (num_8x8_blocks_high_lookup[sb_type] - 1);
const int blk_col = c & (num_8x8_blocks_wide_lookup[sb_type] - 1);
@ -1576,15 +1587,17 @@ void av1_filter_block_plane_non420_hor(AV1_COMMON *cm,
}
tmp_mi += row_step_stride;
}
for (r = 0; r < cm->mib_size && mi_row + r < cm->mi_rows; r += row_step) {
const int skip_border_4x4_r = ss_y && mi_row + r == cm->mi_rows - 1;
for (idx_r = 0; idx_r < cm->mib_size && mi_row + idx_r < cm->mi_rows;
idx_r += row_step) {
const int skip_border_4x4_r = ss_y && mi_row + idx_r == cm->mi_rows - 1;
const int r = idx_r >> mi_width_log2_lookup[BLOCK_8X8];
const unsigned int mask_4x4_int_r = skip_border_4x4_r ? 0 : mask_4x4_int[r];
unsigned int mask_16x16_r;
unsigned int mask_8x8_r;
unsigned int mask_4x4_r;
if (mi_row + r == 0) {
if (mi_row + idx_r == 0) {
mask_16x16_r = 0;
mask_8x8_r = 0;
mask_4x4_r = 0;
@ -1609,7 +1622,7 @@ void av1_filter_block_plane_non420_hor(AV1_COMMON *cm,
mask_4x4_r, mask_4x4_int_r, &cm->lf_info,
&lfl[r][0]);
#endif // CONFIG_AOM_HIGHBITDEPTH
dst->buf += MI_SIZE * dst->stride;
dst->buf += 8 * dst->stride;
}
dst->buf = dst0;
}
@ -1848,7 +1861,8 @@ void av1_filter_block_plane_ss11_hor(AV1_COMMON *const cm,
void av1_loop_filter_rows(YV12_BUFFER_CONFIG *frame_buffer, AV1_COMMON *cm,
struct macroblockd_plane planes[MAX_MB_PLANE],
int start, int stop, int y_only) {
#if CONFIG_VAR_TX || CONFIG_EXT_PARTITION || CONFIG_EXT_PARTITION_TYPES
#if CONFIG_VAR_TX || CONFIG_EXT_PARTITION || CONFIG_EXT_PARTITION_TYPES || \
CONFIG_CB4X4
const int num_planes = y_only ? 1 : MAX_MB_PLANE;
int mi_row, mi_col;