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Merge "vp9: Refactor copy partitioning to reduce duplication."

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Jerome Jiang 2017-01-26 17:46:10 +00:00 committed by Gerrit Code Review
commit eacc3b4ccf
1 changed files with 33 additions and 33 deletions
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66
vp9/encoder/vp9_encodeframe.c
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@ -775,8 +775,8 @@ static void set_low_temp_var_flag(VP9_COMP *cpi, MACROBLOCK *x, MACROBLOCKD *xd,
}
}
static void copy_prev_partition(VP9_COMP *cpi, BLOCK_SIZE bsize, int mi_row,
int mi_col) {
static void copy_partitioning_helper(VP9_COMP *cpi, BLOCK_SIZE bsize,
int mi_row, int mi_col) {
VP9_COMMON *const cm = &cpi->common;
BLOCK_SIZE *prev_part = cpi->prev_partition;
int start_pos = mi_row * cm->mi_stride + mi_col;
@ -811,16 +811,33 @@ static void copy_prev_partition(VP9_COMP *cpi, BLOCK_SIZE bsize, int mi_row,
subsize;
break;
case PARTITION_SPLIT:
copy_prev_partition(cpi, subsize, mi_row, mi_col);
copy_prev_partition(cpi, subsize, mi_row + bs, mi_col);
copy_prev_partition(cpi, subsize, mi_row, mi_col + bs);
copy_prev_partition(cpi, subsize, mi_row + bs, mi_col + bs);
copy_partitioning_helper(cpi, subsize, mi_row, mi_col);
copy_partitioning_helper(cpi, subsize, mi_row + bs, mi_col);
copy_partitioning_helper(cpi, subsize, mi_row, mi_col + bs);
copy_partitioning_helper(cpi, subsize, mi_row + bs, mi_col + bs);
break;
default: assert(0);
}
}
}
static int copy_partitioning(VP9_COMP *cpi, MACROBLOCK *x, int mi_row,
int mi_col, int segment_id, int sb_offset) {
if (cpi->rc.frames_since_key > 1 && segment_id == CR_SEGMENT_ID_BASE &&
cpi->prev_segment_id[sb_offset] == CR_SEGMENT_ID_BASE &&
cpi->copied_frame_cnt[sb_offset] < cpi->max_copied_frame) {
if (cpi->prev_partition != NULL) {
copy_partitioning_helper(cpi, BLOCK_64X64, mi_row, mi_col);
cpi->copied_frame_cnt[sb_offset] += 1;
memcpy(x->variance_low, &(cpi->prev_variance_low[sb_offset * 25]),
sizeof(x->variance_low));
return 1;
}
}
return 0;
}
static void update_prev_partition(VP9_COMP *cpi, BLOCK_SIZE bsize, int mi_row,
int mi_col) {
VP9_COMMON *const cm = &cpi->common;
@ -943,17 +960,9 @@ static int choose_partitioning(VP9_COMP *cpi, const TileInfo *const tile,
// If avg_source_sad is lower than the threshold, copy the partition without
// computing the y_sad.
if (cpi->avg_source_sad_sb[sb_offset2] && cpi->sf.copy_partition_flag &&
cpi->rc.frames_since_key > 1 && segment_id == CR_SEGMENT_ID_BASE &&
cpi->prev_segment_id[sb_offset] == CR_SEGMENT_ID_BASE &&
cpi->copied_frame_cnt[sb_offset] < cpi->max_copied_frame) {
if (cpi->prev_partition != NULL) {
copy_prev_partition(cpi, BLOCK_64X64, mi_row, mi_col);
chroma_check(cpi, x, bsize, y_sad, is_key_frame);
cpi->copied_frame_cnt[sb_offset] += 1;
memcpy(x->variance_low, &(cpi->prev_variance_low[sb_offset * 25]),
sizeof(x->variance_low));
return 0;
}
copy_partitioning(cpi, x, mi_row, mi_col, segment_id, sb_offset)) {
chroma_check(cpi, x, bsize, y_sad, is_key_frame);
return 0;
}
}
@ -1067,23 +1076,11 @@ static int choose_partitioning(VP9_COMP *cpi, const TileInfo *const tile,
// last frame to current frame only if the last frame is not a keyframe.
// Stop the copy every cpi->max_copied_frame to refresh the partition.
// TODO(jianj) : tune the threshold.
if (cpi->sf.copy_partition_flag && cpi->rc.frames_since_key > 1 &&
segment_id == CR_SEGMENT_ID_BASE &&
cpi->prev_segment_id[sb_offset] == CR_SEGMENT_ID_BASE &&
y_sad_last < cpi->vbp_threshold_copy &&
cpi->copied_frame_cnt[sb_offset] < cpi->max_copied_frame) {
if (cpi->prev_partition != NULL) {
copy_prev_partition(cpi, BLOCK_64X64, mi_row, mi_col);
chroma_check(cpi, x, bsize, y_sad, is_key_frame);
cpi->copied_frame_cnt[sb_offset] += 1;
memcpy(x->variance_low, &(cpi->prev_variance_low[sb_offset * 25]),
sizeof(x->variance_low));
return 0;
}
if (cpi->sf.copy_partition_flag && y_sad_last < cpi->vbp_threshold_copy &&
copy_partitioning(cpi, x, mi_row, mi_col, segment_id, sb_offset)) {
chroma_check(cpi, x, bsize, y_sad, is_key_frame);
return 0;
}
if (cpi->sf.copy_partition_flag &&
cpi->copied_frame_cnt[sb_offset] == cpi->max_copied_frame)
cpi->copied_frame_cnt[sb_offset] = 0;
} else {
d = VP9_VAR_OFFS;
dp = 0;
@ -1283,6 +1280,9 @@ static int choose_partitioning(VP9_COMP *cpi, const TileInfo *const tile,
cpi->prev_segment_id[sb_offset] = segment_id;
memcpy(&(cpi->prev_variance_low[sb_offset * 25]), x->variance_low,
sizeof(x->variance_low));
// Reset the counter for copy partitioning
if (cpi->copied_frame_cnt[sb_offset] == cpi->max_copied_frame)
cpi->copied_frame_cnt[sb_offset] = 0;
}
if (cpi->sf.short_circuit_low_temp_var) {