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Unified Diff: source/libvpx/vp9/decoder/vp9_decodeframe.c

Issue 897063002: Revert "libvpx: Pull from upstream" (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master
Patch Set: Created 5 years, 10 months ago
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Index: source/libvpx/vp9/decoder/vp9_decodeframe.c
diff --git a/source/libvpx/vp9/decoder/vp9_decodeframe.c b/source/libvpx/vp9/decoder/vp9_decodeframe.c
index 07249d092323f7a0a792d592ab834cd91cadcaa4..ea4edbffeb3e01cf743d810f02eb778dc7736d86 100644
--- a/source/libvpx/vp9/decoder/vp9_decodeframe.c
+++ b/source/libvpx/vp9/decoder/vp9_decodeframe.c
@@ -23,7 +23,6 @@
#include "vp9/common/vp9_entropy.h"
#include "vp9/common/vp9_entropymode.h"
#include "vp9/common/vp9_idct.h"
-#include "vp9/common/vp9_loopfilter_thread.h"
#include "vp9/common/vp9_pred_common.h"
#include "vp9/common/vp9_quant_common.h"
#include "vp9/common/vp9_reconintra.h"
@@ -299,7 +298,6 @@ static void inverse_transform_block(MACROBLOCKD* xd, int plane, int block,
struct intra_args {
VP9_COMMON *cm;
MACROBLOCKD *xd;
- FRAME_COUNTS *counts;
vp9_reader *r;
};
@@ -324,7 +322,7 @@ static void predict_and_reconstruct_intra_block(int plane, int block,
x, y, plane);
if (!mi->mbmi.skip) {
- const int eob = vp9_decode_block_tokens(cm, xd, args->counts, plane, block,
+ const int eob = vp9_decode_block_tokens(cm, xd, plane, block,
plane_bsize, x, y, tx_size,
args->r);
inverse_transform_block(xd, plane, block, tx_size, dst, pd->dst.stride,
@@ -336,7 +334,6 @@ struct inter_args {
VP9_COMMON *cm;
MACROBLOCKD *xd;
vp9_reader *r;
- FRAME_COUNTS *counts;
int *eobtotal;
};
@@ -349,8 +346,8 @@ static void reconstruct_inter_block(int plane, int block,
struct macroblockd_plane *const pd = &xd->plane[plane];
int x, y, eob;
txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &x, &y);
- eob = vp9_decode_block_tokens(cm, xd, args->counts, plane, block, plane_bsize,
- x, y, tx_size, args->r);
+ eob = vp9_decode_block_tokens(cm, xd, plane, block, plane_bsize, x, y,
+ tx_size, args->r);
inverse_transform_block(xd, plane, block, tx_size,
&pd->dst.buf[4 * y * pd->dst.stride + 4 * x],
pd->dst.stride, eob);
@@ -386,15 +383,13 @@ static MB_MODE_INFO *set_offsets(VP9_COMMON *const cm, MACROBLOCKD *const xd,
return &xd->mi[0].mbmi;
}
-static void decode_block(VP9Decoder *const pbi, MACROBLOCKD *const xd,
- FRAME_COUNTS *counts,
+static void decode_block(VP9_COMMON *const cm, MACROBLOCKD *const xd,
const TileInfo *const tile,
int mi_row, int mi_col,
vp9_reader *r, BLOCK_SIZE bsize) {
- VP9_COMMON *const cm = &pbi->common;
const int less8x8 = bsize < BLOCK_8X8;
MB_MODE_INFO *mbmi = set_offsets(cm, xd, tile, bsize, mi_row, mi_col);
- vp9_read_mode_info(pbi, xd, counts, tile, mi_row, mi_col, r);
+ vp9_read_mode_info(cm, xd, tile, mi_row, mi_col, r);
if (less8x8)
bsize = BLOCK_8X8;
@@ -408,17 +403,17 @@ static void decode_block(VP9Decoder *const pbi, MACROBLOCKD *const xd,
}
if (!is_inter_block(mbmi)) {
- struct intra_args arg = { cm, xd, counts, r };
+ struct intra_args arg = { cm, xd, r };
vp9_foreach_transformed_block(xd, bsize,
predict_and_reconstruct_intra_block, &arg);
} else {
// Prediction
- vp9_dec_build_inter_predictors_sb(pbi, xd, mi_row, mi_col, bsize);
+ vp9_dec_build_inter_predictors_sb(xd, mi_row, mi_col, bsize);
// Reconstruction
if (!mbmi->skip) {
int eobtotal = 0;
- struct inter_args arg = { cm, xd, r, counts, &eobtotal };
+ struct inter_args arg = { cm, xd, r, &eobtotal };
vp9_foreach_transformed_block(xd, bsize, reconstruct_inter_block, &arg);
if (!less8x8 && eobtotal == 0)
mbmi->skip = 1; // skip loopfilter
@@ -428,8 +423,7 @@ static void decode_block(VP9Decoder *const pbi, MACROBLOCKD *const xd,
xd->corrupted |= vp9_reader_has_error(r);
}
-static PARTITION_TYPE read_partition(VP9_COMMON *cm, MACROBLOCKD *xd,
- FRAME_COUNTS *counts, int hbs,
+static PARTITION_TYPE read_partition(VP9_COMMON *cm, MACROBLOCKD *xd, int hbs,
int mi_row, int mi_col, BLOCK_SIZE bsize,
vp9_reader *r) {
const int ctx = partition_plane_context(xd, mi_row, mi_col, bsize);
@@ -448,17 +442,15 @@ static PARTITION_TYPE read_partition(VP9_COMMON *cm, MACROBLOCKD *xd,
p = PARTITION_SPLIT;
if (!cm->frame_parallel_decoding_mode)
- ++counts->partition[ctx][p];
+ ++cm->counts.partition[ctx][p];
return p;
}
-static void decode_partition(VP9Decoder *const pbi, MACROBLOCKD *const xd,
- FRAME_COUNTS *counts,
+static void decode_partition(VP9_COMMON *const cm, MACROBLOCKD *const xd,
const TileInfo *const tile,
int mi_row, int mi_col,
vp9_reader* r, BLOCK_SIZE bsize) {
- VP9_COMMON *const cm = &pbi->common;
const int hbs = num_8x8_blocks_wide_lookup[bsize] / 2;
PARTITION_TYPE partition;
BLOCK_SIZE subsize, uv_subsize;
@@ -466,37 +458,34 @@ static void decode_partition(VP9Decoder *const pbi, MACROBLOCKD *const xd,
if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols)
return;
- partition = read_partition(cm, xd, counts, hbs, mi_row, mi_col, bsize, r);
+ partition = read_partition(cm, xd, hbs, mi_row, mi_col, bsize, r);
subsize = get_subsize(bsize, partition);
uv_subsize = ss_size_lookup[subsize][cm->subsampling_x][cm->subsampling_y];
if (subsize >= BLOCK_8X8 && uv_subsize == BLOCK_INVALID)
vpx_internal_error(xd->error_info,
VPX_CODEC_CORRUPT_FRAME, "Invalid block size.");
if (subsize < BLOCK_8X8) {
- decode_block(pbi, xd, counts, tile, mi_row, mi_col, r, subsize);
+ decode_block(cm, xd, tile, mi_row, mi_col, r, subsize);
} else {
switch (partition) {
case PARTITION_NONE:
- decode_block(pbi, xd, counts, tile, mi_row, mi_col, r, subsize);
+ decode_block(cm, xd, tile, mi_row, mi_col, r, subsize);
break;
case PARTITION_HORZ:
- decode_block(pbi, xd, counts, tile, mi_row, mi_col, r, subsize);
+ decode_block(cm, xd, tile, mi_row, mi_col, r, subsize);
if (mi_row + hbs < cm->mi_rows)
- decode_block(pbi, xd, counts, tile, mi_row + hbs, mi_col, r, subsize);
+ decode_block(cm, xd, tile, mi_row + hbs, mi_col, r, subsize);
break;
case PARTITION_VERT:
- decode_block(pbi, xd, counts, tile, mi_row, mi_col, r, subsize);
+ decode_block(cm, xd, tile, mi_row, mi_col, r, subsize);
if (mi_col + hbs < cm->mi_cols)
- decode_block(pbi, xd, counts, tile, mi_row, mi_col + hbs, r, subsize);
+ decode_block(cm, xd, tile, mi_row, mi_col + hbs, r, subsize);
break;
case PARTITION_SPLIT:
- decode_partition(pbi, xd, counts, tile, mi_row, mi_col, r, subsize);
- decode_partition(pbi, xd, counts, tile, mi_row, mi_col + hbs, r,
- subsize);
- decode_partition(pbi, xd, counts, tile, mi_row + hbs, mi_col, r,
- subsize);
- decode_partition(pbi, xd, counts, tile, mi_row + hbs, mi_col + hbs, r,
- subsize);
+ decode_partition(cm, xd, tile, mi_row, mi_col, r, subsize);
+ decode_partition(cm, xd, tile, mi_row, mi_col + hbs, r, subsize);
+ decode_partition(cm, xd, tile, mi_row + hbs, mi_col, r, subsize);
+ decode_partition(cm, xd, tile, mi_row + hbs, mi_col + hbs, r, subsize);
break;
default:
assert(0 && "Invalid partition type");
@@ -718,12 +707,10 @@ static void resize_context_buffers(VP9_COMMON *cm, int width, int height) {
static void setup_frame_size(VP9_COMMON *cm, struct vp9_read_bit_buffer *rb) {
int width, height;
- BufferPool *const pool = cm->buffer_pool;
vp9_read_frame_size(rb, &width, &height);
resize_context_buffers(cm, width, height);
setup_display_size(cm, rb);
- lock_buffer_pool(pool);
if (vp9_realloc_frame_buffer(
get_frame_new_buffer(cm), cm->width, cm->height,
cm->subsampling_x, cm->subsampling_y,
@@ -732,17 +719,16 @@ static void setup_frame_size(VP9_COMMON *cm, struct vp9_read_bit_buffer *rb) {
#endif
VP9_DEC_BORDER_IN_PIXELS,
cm->byte_alignment,
- &pool->frame_bufs[cm->new_fb_idx].raw_frame_buffer, pool->get_fb_cb,
- pool->cb_priv)) {
- unlock_buffer_pool(pool);
+ &cm->frame_bufs[cm->new_fb_idx].raw_frame_buffer, cm->get_fb_cb,
+ cm->cb_priv)) {
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
"Failed to allocate frame buffer");
}
- unlock_buffer_pool(pool);
-
- pool->frame_bufs[cm->new_fb_idx].buf.subsampling_x = cm->subsampling_x;
- pool->frame_bufs[cm->new_fb_idx].buf.subsampling_y = cm->subsampling_y;
- pool->frame_bufs[cm->new_fb_idx].buf.bit_depth = (unsigned int)cm->bit_depth;
+ cm->frame_bufs[cm->new_fb_idx].buf.subsampling_x = cm->subsampling_x;
+ cm->frame_bufs[cm->new_fb_idx].buf.subsampling_y = cm->subsampling_y;
+ cm->frame_bufs[cm->new_fb_idx].buf.color_space =
+ (vpx_color_space_t)cm->color_space;
+ cm->frame_bufs[cm->new_fb_idx].buf.bit_depth = (unsigned int)cm->bit_depth;
}
static INLINE int valid_ref_frame_img_fmt(vpx_bit_depth_t ref_bit_depth,
@@ -758,7 +744,6 @@ static void setup_frame_size_with_refs(VP9_COMMON *cm,
int width, height;
int found = 0, i;
int has_valid_ref_frame = 0;
- BufferPool *const pool = cm->buffer_pool;
for (i = 0; i < REFS_PER_FRAME; ++i) {
if (vp9_rb_read_bit(rb)) {
YV12_BUFFER_CONFIG *const buf = cm->frame_refs[i].buf;
@@ -803,7 +788,6 @@ static void setup_frame_size_with_refs(VP9_COMMON *cm,
resize_context_buffers(cm, width, height);
setup_display_size(cm, rb);
- lock_buffer_pool(pool);
if (vp9_realloc_frame_buffer(
get_frame_new_buffer(cm), cm->width, cm->height,
cm->subsampling_x, cm->subsampling_y,
@@ -812,17 +796,14 @@ static void setup_frame_size_with_refs(VP9_COMMON *cm,
#endif
VP9_DEC_BORDER_IN_PIXELS,
cm->byte_alignment,
- &pool->frame_bufs[cm->new_fb_idx].raw_frame_buffer, pool->get_fb_cb,
- pool->cb_priv)) {
- unlock_buffer_pool(pool);
+ &cm->frame_bufs[cm->new_fb_idx].raw_frame_buffer, cm->get_fb_cb,
+ cm->cb_priv)) {
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
"Failed to allocate frame buffer");
}
- unlock_buffer_pool(pool);
-
- pool->frame_bufs[cm->new_fb_idx].buf.subsampling_x = cm->subsampling_x;
- pool->frame_bufs[cm->new_fb_idx].buf.subsampling_y = cm->subsampling_y;
- pool->frame_bufs[cm->new_fb_idx].buf.bit_depth = (unsigned int)cm->bit_depth;
+ cm->frame_bufs[cm->new_fb_idx].buf.subsampling_x = cm->subsampling_x;
+ cm->frame_bufs[cm->new_fb_idx].buf.subsampling_y = cm->subsampling_y;
+ cm->frame_bufs[cm->new_fb_idx].buf.bit_depth = (unsigned int)cm->bit_depth;
}
static void setup_tile_info(VP9_COMMON *cm, struct vp9_read_bit_buffer *rb) {
@@ -991,8 +972,8 @@ static const uint8_t *decode_tiles(VP9Decoder *pbi,
vp9_zero(tile_data->xd.left_seg_context);
for (mi_col = tile.mi_col_start; mi_col < tile.mi_col_end;
mi_col += MI_BLOCK_SIZE) {
- decode_partition(pbi, &tile_data->xd, &cm->counts, &tile, mi_row,
- mi_col, &tile_data->bit_reader, BLOCK_64X64);
+ decode_partition(tile_data->cm, &tile_data->xd, &tile, mi_row, mi_col,
+ &tile_data->bit_reader, BLOCK_64X64);
}
pbi->mb.corrupted |= tile_data->xd.corrupted;
if (pbi->mb.corrupted)
@@ -1019,12 +1000,6 @@ static const uint8_t *decode_tiles(VP9Decoder *pbi,
winterface->execute(&pbi->lf_worker);
}
}
- // After loopfiltering, the last 7 row pixels in each superblock row may
- // still be changed by the longest loopfilter of the next superblock
- // row.
- if (pbi->frame_parallel_decode)
- vp9_frameworker_broadcast(pbi->cur_buf,
- mi_row << MI_BLOCK_SIZE_LOG2);
}
}
@@ -1040,8 +1015,6 @@ static const uint8_t *decode_tiles(VP9Decoder *pbi,
// Get last tile data.
tile_data = pbi->tile_data + tile_cols * tile_rows - 1;
- if (pbi->frame_parallel_decode)
- vp9_frameworker_broadcast(pbi->cur_buf, INT_MAX);
return vp9_reader_find_end(&tile_data->bit_reader);
}
@@ -1064,10 +1037,8 @@ static int tile_worker_hook(TileWorkerData *const tile_data,
vp9_zero(tile_data->xd.left_seg_context);
for (mi_col = tile->mi_col_start; mi_col < tile->mi_col_end;
mi_col += MI_BLOCK_SIZE) {
- decode_partition(tile_data->pbi, &tile_data->xd,
- &tile_data->pbi->common.counts,
- tile, mi_row, mi_col, &tile_data->bit_reader,
- BLOCK_64X64);
+ decode_partition(tile_data->cm, &tile_data->xd, tile,
+ mi_row, mi_col, &tile_data->bit_reader, BLOCK_64X64);
}
}
return !tile_data->xd.corrupted;
@@ -1181,10 +1152,10 @@ static const uint8_t *decode_tiles_mt(VP9Decoder *pbi,
TileInfo *const tile = (TileInfo*)worker->data2;
TileBuffer *const buf = &tile_buffers[0][n];
- tile_data->pbi = pbi;
+ tile_data->cm = cm;
tile_data->xd = pbi->mb;
tile_data->xd.corrupted = 0;
- vp9_tile_init(tile, &pbi->common, 0, buf->col);
+ vp9_tile_init(tile, tile_data->cm, 0, buf->col);
setup_token_decoder(buf->data, data_end, buf->size, &cm->error,
&tile_data->bit_reader, pbi->decrypt_cb,
pbi->decrypt_state);
@@ -1288,10 +1259,8 @@ static void read_bitdepth_colorspace_sampling(
static size_t read_uncompressed_header(VP9Decoder *pbi,
struct vp9_read_bit_buffer *rb) {
VP9_COMMON *const cm = &pbi->common;
- RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
- BufferPool *const pool = pbi->common.buffer_pool;
- int i, mask, ref_index = 0;
size_t sz;
+ int i;
cm->last_frame_type = cm->frame_type;
@@ -1309,24 +1278,16 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
if (cm->show_existing_frame) {
// Show an existing frame directly.
const int frame_to_show = cm->ref_frame_map[vp9_rb_read_literal(rb, 3)];
- lock_buffer_pool(pool);
- if (frame_to_show < 0 || frame_bufs[frame_to_show].ref_count < 1) {
- unlock_buffer_pool(pool);
+
+ if (frame_to_show < 0 || cm->frame_bufs[frame_to_show].ref_count < 1)
vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
"Buffer %d does not contain a decoded frame",
frame_to_show);
- }
- ref_cnt_fb(frame_bufs, &cm->new_fb_idx, frame_to_show);
- unlock_buffer_pool(pool);
+ ref_cnt_fb(cm->frame_bufs, &cm->new_fb_idx, frame_to_show);
pbi->refresh_frame_flags = 0;
cm->lf.filter_level = 0;
cm->show_frame = 1;
-
- if (pbi->frame_parallel_decode) {
- for (i = 0; i < REF_FRAMES; ++i)
- cm->next_ref_frame_map[i] = cm->ref_frame_map[i];
- }
return 0;
}
@@ -1348,10 +1309,7 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
}
setup_frame_size(cm, rb);
- if (pbi->need_resync) {
- vpx_memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map));
- pbi->need_resync = 0;
- }
+ pbi->need_resync = 0;
} else {
cm->intra_only = cm->show_frame ? 0 : vp9_rb_read_bit(rb);
@@ -1379,18 +1337,15 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
pbi->refresh_frame_flags = vp9_rb_read_literal(rb, REF_FRAMES);
setup_frame_size(cm, rb);
- if (pbi->need_resync) {
- vpx_memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map));
- pbi->need_resync = 0;
- }
- } else if (pbi->need_resync != 1) { /* Skip if need resync */
+ pbi->need_resync = 0;
+ } else {
pbi->refresh_frame_flags = vp9_rb_read_literal(rb, REF_FRAMES);
for (i = 0; i < REFS_PER_FRAME; ++i) {
const int ref = vp9_rb_read_literal(rb, REF_FRAMES_LOG2);
const int idx = cm->ref_frame_map[ref];
RefBuffer *const ref_frame = &cm->frame_refs[i];
ref_frame->idx = idx;
- ref_frame->buf = &frame_bufs[idx].buf;
+ ref_frame->buf = &cm->frame_bufs[idx].buf;
cm->ref_frame_sign_bias[LAST_FRAME + i] = vp9_rb_read_bit(rb);
}
@@ -1440,30 +1395,6 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
// below, forcing the use of context 0 for those frame types.
cm->frame_context_idx = vp9_rb_read_literal(rb, FRAME_CONTEXTS_LOG2);
- // Generate next_ref_frame_map.
- lock_buffer_pool(pool);
- for (mask = pbi->refresh_frame_flags; mask; mask >>= 1) {
- if (mask & 1) {
- cm->next_ref_frame_map[ref_index] = cm->new_fb_idx;
- ++frame_bufs[cm->new_fb_idx].ref_count;
- } else {
- cm->next_ref_frame_map[ref_index] = cm->ref_frame_map[ref_index];
- }
- // Current thread holds the reference frame.
- if (cm->ref_frame_map[ref_index] >= 0)
- ++frame_bufs[cm->ref_frame_map[ref_index]].ref_count;
- ++ref_index;
- }
-
- for (; ref_index < REF_FRAMES; ++ref_index) {
- cm->next_ref_frame_map[ref_index] = cm->ref_frame_map[ref_index];
- // Current thread holds the reference frame.
- if (cm->ref_frame_map[ref_index] >= 0)
- ++frame_bufs[cm->ref_frame_map[ref_index]].ref_count;
- }
- unlock_buffer_pool(pool);
- pbi->hold_ref_buf = 1;
-
if (frame_is_intra_only(cm) || cm->error_resilient_mode)
vp9_setup_past_independence(cm);
@@ -1609,7 +1540,7 @@ void vp9_decode_frame(VP9Decoder *pbi,
VP9_COMMON *const cm = &pbi->common;
MACROBLOCKD *const xd = &pbi->mb;
struct vp9_read_bit_buffer rb = { NULL, NULL, 0, NULL, 0};
- int context_updated = 0;
+
uint8_t clear_data[MAX_VP9_HEADER_SIZE];
const size_t first_partition_size = read_uncompressed_header(pbi,
init_read_bit_buffer(pbi, &rb, data, data_end, clear_data));
@@ -1651,28 +1582,6 @@ void vp9_decode_frame(VP9Decoder *pbi,
vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
"Decode failed. Frame data header is corrupted.");
- if (cm->lf.filter_level) {
- vp9_loop_filter_frame_init(cm, cm->lf.filter_level);
- }
-
- // If encoded in frame parallel mode, frame context is ready after decoding
- // the frame header.
- if (pbi->frame_parallel_decode && cm->frame_parallel_decoding_mode) {
- VP9Worker *const worker = pbi->frame_worker_owner;
- FrameWorkerData *const frame_worker_data = worker->data1;
- if (cm->refresh_frame_context) {
- context_updated = 1;
- cm->frame_contexts[cm->frame_context_idx] = *cm->fc;
- }
- vp9_frameworker_lock_stats(worker);
- pbi->cur_buf->row = -1;
- pbi->cur_buf->col = -1;
- frame_worker_data->frame_context_ready = 1;
- // Signal the main thread that context is ready.
- vp9_frameworker_signal_stats(worker);
- vp9_frameworker_unlock_stats(worker);
- }
-
// TODO(jzern): remove frame_parallel_decoding_mode restriction for
// single-frame tile decoding.
if (pbi->max_threads > 1 && tile_rows == 1 && tile_cols > 1 &&
@@ -1693,7 +1602,9 @@ void vp9_decode_frame(VP9Decoder *pbi,
*p_data_end = decode_tiles(pbi, data + first_partition_size, data_end);
}
- if (!xd->corrupted) {
+ new_fb->corrupted |= xd->corrupted;
+
+ if (!new_fb->corrupted) {
if (!cm->error_resilient_mode && !cm->frame_parallel_decoding_mode) {
vp9_adapt_coef_probs(cm);
@@ -1709,318 +1620,6 @@ void vp9_decode_frame(VP9Decoder *pbi,
"Decode failed. Frame data is corrupted.");
}
- // Non frame parallel update frame context here.
- if (cm->refresh_frame_context && !context_updated)
+ if (cm->refresh_frame_context)
cm->frame_contexts[cm->frame_context_idx] = *cm->fc;
}
-
-static void build_mc_border(const uint8_t *src, int src_stride,
- uint8_t *dst, int dst_stride,
- int x, int y, int b_w, int b_h, int w, int h) {
- // Get a pointer to the start of the real data for this row.
- const uint8_t *ref_row = src - x - y * src_stride;
-
- if (y >= h)
- ref_row += (h - 1) * src_stride;
- else if (y > 0)
- ref_row += y * src_stride;
-
- do {
- int right = 0, copy;
- int left = x < 0 ? -x : 0;
-
- if (left > b_w)
- left = b_w;
-
- if (x + b_w > w)
- right = x + b_w - w;
-
- if (right > b_w)
- right = b_w;
-
- copy = b_w - left - right;
-
- if (left)
- memset(dst, ref_row[0], left);
-
- if (copy)
- memcpy(dst + left, ref_row + x + left, copy);
-
- if (right)
- memset(dst + left + copy, ref_row[w - 1], right);
-
- dst += dst_stride;
- ++y;
-
- if (y > 0 && y < h)
- ref_row += src_stride;
- } while (--b_h);
-}
-
-#if CONFIG_VP9_HIGHBITDEPTH
-static void high_build_mc_border(const uint8_t *src8, int src_stride,
- uint16_t *dst, int dst_stride,
- int x, int y, int b_w, int b_h,
- int w, int h) {
- // Get a pointer to the start of the real data for this row.
- const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
- const uint16_t *ref_row = src - x - y * src_stride;
-
- if (y >= h)
- ref_row += (h - 1) * src_stride;
- else if (y > 0)
- ref_row += y * src_stride;
-
- do {
- int right = 0, copy;
- int left = x < 0 ? -x : 0;
-
- if (left > b_w)
- left = b_w;
-
- if (x + b_w > w)
- right = x + b_w - w;
-
- if (right > b_w)
- right = b_w;
-
- copy = b_w - left - right;
-
- if (left)
- vpx_memset16(dst, ref_row[0], left);
-
- if (copy)
- memcpy(dst + left, ref_row + x + left, copy * sizeof(uint16_t));
-
- if (right)
- vpx_memset16(dst + left + copy, ref_row[w - 1], right);
-
- dst += dst_stride;
- ++y;
-
- if (y > 0 && y < h)
- ref_row += src_stride;
- } while (--b_h);
-}
-#endif // CONFIG_VP9_HIGHBITDEPTH
-
-void dec_build_inter_predictors(VP9Decoder *const pbi, MACROBLOCKD *xd,
- int plane, int block, int bw, int bh, int x,
- int y, int w, int h, int mi_x, int mi_y) {
- struct macroblockd_plane *const pd = &xd->plane[plane];
- const MODE_INFO *mi = xd->mi[0].src_mi;
- const int is_compound = has_second_ref(&mi->mbmi);
- const InterpKernel *kernel = vp9_get_interp_kernel(mi->mbmi.interp_filter);
- int ref;
-
- for (ref = 0; ref < 1 + is_compound; ++ref) {
- const struct scale_factors *const sf = &xd->block_refs[ref]->sf;
- struct buf_2d *const pre_buf = &pd->pre[ref];
- struct buf_2d *const dst_buf = &pd->dst;
- uint8_t *const dst = dst_buf->buf + dst_buf->stride * y + x;
- const MV mv = mi->mbmi.sb_type < BLOCK_8X8
- ? average_split_mvs(pd, mi, ref, block)
- : mi->mbmi.mv[ref].as_mv;
-
- const MV mv_q4 = clamp_mv_to_umv_border_sb(xd, &mv, bw, bh,
- pd->subsampling_x,
- pd->subsampling_y);
-
- MV32 scaled_mv;
- int xs, ys, x0, y0, x0_16, y0_16, y1, frame_width, frame_height,
- buf_stride, subpel_x, subpel_y;
- uint8_t *ref_frame, *buf_ptr;
- const int idx = xd->block_refs[ref]->idx;
- BufferPool *const pool = pbi->common.buffer_pool;
- RefCntBuffer *const ref_frame_buf = &pool->frame_bufs[idx];
- const int is_scaled = vp9_is_scaled(sf);
-
- // Get reference frame pointer, width and height.
- if (plane == 0) {
- frame_width = ref_frame_buf->buf.y_crop_width;
- frame_height = ref_frame_buf->buf.y_crop_height;
- ref_frame = ref_frame_buf->buf.y_buffer;
- } else {
- frame_width = ref_frame_buf->buf.uv_crop_width;
- frame_height = ref_frame_buf->buf.uv_crop_height;
- ref_frame = plane == 1 ? ref_frame_buf->buf.u_buffer
- : ref_frame_buf->buf.v_buffer;
- }
-
- if (is_scaled) {
- // Co-ordinate of containing block to pixel precision.
- int x_start = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x));
- int y_start = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y));
-
- // Co-ordinate of the block to 1/16th pixel precision.
- x0_16 = (x_start + x) << SUBPEL_BITS;
- y0_16 = (y_start + y) << SUBPEL_BITS;
-
- // Co-ordinate of current block in reference frame
- // to 1/16th pixel precision.
- x0_16 = sf->scale_value_x(x0_16, sf);
- y0_16 = sf->scale_value_y(y0_16, sf);
-
- // Map the top left corner of the block into the reference frame.
- x0 = sf->scale_value_x(x_start + x, sf);
- y0 = sf->scale_value_y(y_start + y, sf);
-
- // Scale the MV and incorporate the sub-pixel offset of the block
- // in the reference frame.
- scaled_mv = vp9_scale_mv(&mv_q4, mi_x + x, mi_y + y, sf);
- xs = sf->x_step_q4;
- ys = sf->y_step_q4;
- } else {
- // Co-ordinate of containing block to pixel precision.
- x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x;
- y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y;
-
- // Co-ordinate of the block to 1/16th pixel precision.
- x0_16 = x0 << SUBPEL_BITS;
- y0_16 = y0 << SUBPEL_BITS;
-
- scaled_mv.row = mv_q4.row;
- scaled_mv.col = mv_q4.col;
- xs = ys = 16;
- }
- subpel_x = scaled_mv.col & SUBPEL_MASK;
- subpel_y = scaled_mv.row & SUBPEL_MASK;
-
- // Calculate the top left corner of the best matching block in the
- // reference frame.
- x0 += scaled_mv.col >> SUBPEL_BITS;
- y0 += scaled_mv.row >> SUBPEL_BITS;
- x0_16 += scaled_mv.col;
- y0_16 += scaled_mv.row;
-
- // Get reference block pointer.
- buf_ptr = ref_frame + y0 * pre_buf->stride + x0;
- buf_stride = pre_buf->stride;
-
- // Get reference block bottom right vertical coordinate.
- y1 = ((y0_16 + (h - 1) * ys) >> SUBPEL_BITS) + 1;
-
- // Do border extension if there is motion or the
- // width/height is not a multiple of 8 pixels.
- if (is_scaled || scaled_mv.col || scaled_mv.row ||
- (frame_width & 0x7) || (frame_height & 0x7)) {
- // Get reference block bottom right horizontal coordinate.
- int x1 = ((x0_16 + (w - 1) * xs) >> SUBPEL_BITS) + 1;
- int x_pad = 0, y_pad = 0;
-
- if (subpel_x || (sf->x_step_q4 != SUBPEL_SHIFTS)) {
- x0 -= VP9_INTERP_EXTEND - 1;
- x1 += VP9_INTERP_EXTEND;
- x_pad = 1;
- }
-
- if (subpel_y || (sf->y_step_q4 != SUBPEL_SHIFTS)) {
- y0 -= VP9_INTERP_EXTEND - 1;
- y1 += VP9_INTERP_EXTEND;
- y_pad = 1;
- }
-
- // Wait until reference block is ready. Pad 7 more pixels as last 7
- // pixels of each superblock row can be changed by next superblock row.
- if (pbi->frame_parallel_decode)
- vp9_frameworker_wait(pbi->frame_worker_owner, ref_frame_buf,
- (y1 + 7) << (plane == 0 ? 0 : 1));
-
- // Skip border extension if block is inside the frame.
- if (x0 < 0 || x0 > frame_width - 1 || x1 < 0 || x1 > frame_width - 1 ||
- y0 < 0 || y0 > frame_height - 1 || y1 < 0 || y1 > frame_height - 1) {
- uint8_t *buf_ptr1 = ref_frame + y0 * pre_buf->stride + x0;
- // Extend the border.
-#if CONFIG_VP9_HIGHBITDEPTH
- if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
- high_build_mc_border(buf_ptr1,
- pre_buf->stride,
- xd->mc_buf_high,
- x1 - x0 + 1,
- x0,
- y0,
- x1 - x0 + 1,
- y1 - y0 + 1,
- frame_width,
- frame_height);
- buf_stride = x1 - x0 + 1;
- buf_ptr = CONVERT_TO_BYTEPTR(xd->mc_buf_high) +
- y_pad * 3 * buf_stride + x_pad * 3;
- } else {
- build_mc_border(buf_ptr1,
- pre_buf->stride,
- xd->mc_buf,
- x1 - x0 + 1,
- x0,
- y0,
- x1 - x0 + 1,
- y1 - y0 + 1,
- frame_width,
- frame_height);
- buf_stride = x1 - x0 + 1;
- buf_ptr = xd->mc_buf + y_pad * 3 * buf_stride + x_pad * 3;
- }
-#else
- build_mc_border(buf_ptr1,
- pre_buf->stride,
- xd->mc_buf,
- x1 - x0 + 1,
- x0,
- y0,
- x1 - x0 + 1,
- y1 - y0 + 1,
- frame_width,
- frame_height);
- buf_stride = x1 - x0 + 1;
- buf_ptr = xd->mc_buf + y_pad * 3 * buf_stride + x_pad * 3;
-#endif // CONFIG_VP9_HIGHBITDEPTH
- }
- } else {
- // Wait until reference block is ready. Pad 7 more pixels as last 7
- // pixels of each superblock row can be changed by next superblock row.
- if (pbi->frame_parallel_decode)
- vp9_frameworker_wait(pbi->frame_worker_owner, ref_frame_buf,
- (y1 + 7) << (plane == 0 ? 0 : 1));
- }
-#if CONFIG_VP9_HIGHBITDEPTH
- if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
- high_inter_predictor(buf_ptr, buf_stride, dst, dst_buf->stride, subpel_x,
- subpel_y, sf, w, h, ref, kernel, xs, ys, xd->bd);
- } else {
- inter_predictor(buf_ptr, buf_stride, dst, dst_buf->stride, subpel_x,
- subpel_y, sf, w, h, ref, kernel, xs, ys);
- }
-#else
- inter_predictor(buf_ptr, buf_stride, dst, dst_buf->stride, subpel_x,
- subpel_y, sf, w, h, ref, kernel, xs, ys);
-#endif // CONFIG_VP9_HIGHBITDEPTH
- }
-}
-
-void vp9_dec_build_inter_predictors_sb(VP9Decoder *const pbi, MACROBLOCKD *xd,
- int mi_row, int mi_col,
- BLOCK_SIZE bsize) {
- int plane;
- const int mi_x = mi_col * MI_SIZE;
- const int mi_y = mi_row * MI_SIZE;
- for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
- const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize,
- &xd->plane[plane]);
- const int num_4x4_w = num_4x4_blocks_wide_lookup[plane_bsize];
- const int num_4x4_h = num_4x4_blocks_high_lookup[plane_bsize];
- const int bw = 4 * num_4x4_w;
- const int bh = 4 * num_4x4_h;
-
- if (xd->mi[0].src_mi->mbmi.sb_type < BLOCK_8X8) {
- int i = 0, x, y;
- assert(bsize == BLOCK_8X8);
- for (y = 0; y < num_4x4_h; ++y)
- for (x = 0; x < num_4x4_w; ++x)
- dec_build_inter_predictors(pbi, xd, plane, i++, bw, bh,
- 4 * x, 4 * y, 4, 4, mi_x, mi_y);
- } else {
- dec_build_inter_predictors(pbi, xd, plane, 0, bw, bh,
- 0, 0, bw, bh, mi_x, mi_y);
- }
- }
-}
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