ref: ad5ec9b2f3e82d557f663070c7705566d16aed50
parent: 5fbc7a286b4d72883392fdbb10ec52bace662f66
author: Shubham Tandle <shubham.tandle@ittiam.com>
date: Fri Nov 30 11:30:15 EST 2018
Add Parse and Recon Split functions Add functions that will do only parse or only recon. These are duplicated and modified from decode_partition and decode_block. Change-Id: I2201e235bf491e823ae63d27b2586bbb43b48929
--- a/vp9/common/vp9_blockd.h
+++ b/vp9/common/vp9_blockd.h
@@ -131,6 +131,8 @@
// encoder
const int16_t *dequant;
+
+ int *eob;
};
#define BLOCK_OFFSET(x, i) ((x) + (i)*16)
@@ -194,6 +196,8 @@
int corrupted;
struct vpx_internal_error_info *error_info;
+
+ PARTITION_TYPE *partition;
} MACROBLOCKD;
static INLINE PLANE_TYPE get_plane_type(int plane) {--- a/vp9/decoder/vp9_decodeframe.c
+++ b/vp9/decoder/vp9_decodeframe.c
@@ -45,6 +45,12 @@
#define MAX_VP9_HEADER_SIZE 80
+typedef int (*predict_recon_func)(TileWorkerData *twd, MODE_INFO *const mi,
+ int plane, int row, int col, TX_SIZE tx_size);
+
+typedef void (*intra_recon_func)(TileWorkerData *twd, MODE_INFO *const mi,
+ int plane, int row, int col, TX_SIZE tx_size);
+
static int read_is_valid(const uint8_t *start, size_t len, const uint8_t *end) {return len != 0 && len <= (size_t)(end - start);
}
@@ -325,6 +331,59 @@
}
}
+static void parse_intra_block_row_mt(TileWorkerData *twd, MODE_INFO *const mi,
+ int plane, int row, int col,
+ TX_SIZE tx_size) {+ MACROBLOCKD *const xd = &twd->xd;
+ PREDICTION_MODE mode = (plane == 0) ? mi->mode : mi->uv_mode;
+
+ if (mi->sb_type < BLOCK_8X8)
+ if (plane == 0) mode = xd->mi[0]->bmi[(row << 1) + col].as_mode;
+
+ if (!mi->skip) {+ struct macroblockd_plane *const pd = &xd->plane[plane];
+ const TX_TYPE tx_type =
+ (plane || xd->lossless) ? DCT_DCT : intra_mode_to_tx_type_lookup[mode];
+ const scan_order *sc = (plane || xd->lossless)
+ ? &vp9_default_scan_orders[tx_size]
+ : &vp9_scan_orders[tx_size][tx_type];
+ *pd->eob = vp9_decode_block_tokens(twd, plane, sc, col, row, tx_size,
+ mi->segment_id);
+ /* Keep the alignment to 16 */
+ pd->dqcoeff += (16 << (tx_size << 1));
+ pd->eob++;
+ }
+}
+
+static void predict_and_reconstruct_intra_block_row_mt(TileWorkerData *twd,
+ MODE_INFO *const mi,
+ int plane, int row,
+ int col,
+ TX_SIZE tx_size) {+ MACROBLOCKD *const xd = &twd->xd;
+ struct macroblockd_plane *const pd = &xd->plane[plane];
+ PREDICTION_MODE mode = (plane == 0) ? mi->mode : mi->uv_mode;
+ uint8_t *dst = &pd->dst.buf[4 * row * pd->dst.stride + 4 * col];
+
+ if (mi->sb_type < BLOCK_8X8)
+ if (plane == 0) mode = xd->mi[0]->bmi[(row << 1) + col].as_mode;
+
+ vp9_predict_intra_block(xd, pd->n4_wl, tx_size, mode, dst, pd->dst.stride,
+ dst, pd->dst.stride, col, row, plane);
+
+ if (!mi->skip) {+ const TX_TYPE tx_type =
+ (plane || xd->lossless) ? DCT_DCT : intra_mode_to_tx_type_lookup[mode];
+ if (*pd->eob > 0) {+ inverse_transform_block_intra(xd, plane, tx_type, tx_size, dst,
+ pd->dst.stride, *pd->eob);
+ }
+ /* Keep the alignment to 16 */
+ pd->dqcoeff += (16 << (tx_size << 1));
+ pd->eob++;
+ }
+}
+
static int reconstruct_inter_block(TileWorkerData *twd, MODE_INFO *const mi,
int plane, int row, int col,
TX_SIZE tx_size) {@@ -342,6 +401,41 @@
return eob;
}
+static int parse_inter_block_row_mt(TileWorkerData *twd, MODE_INFO *const mi,
+ int plane, int row, int col,
+ TX_SIZE tx_size) {+ MACROBLOCKD *const xd = &twd->xd;
+ struct macroblockd_plane *const pd = &xd->plane[plane];
+ const scan_order *sc = &vp9_default_scan_orders[tx_size];
+ const int eob = vp9_decode_block_tokens(twd, plane, sc, col, row, tx_size,
+ mi->segment_id);
+
+ *pd->eob = eob;
+ pd->dqcoeff += (16 << (tx_size << 1));
+ pd->eob++;
+
+ return eob;
+}
+
+static int reconstruct_inter_block_row_mt(TileWorkerData *twd,
+ MODE_INFO *const mi, int plane,
+ int row, int col, TX_SIZE tx_size) {+ MACROBLOCKD *const xd = &twd->xd;
+ struct macroblockd_plane *const pd = &xd->plane[plane];
+ const int eob = *pd->eob;
+
+ (void)mi;
+ if (eob > 0) {+ inverse_transform_block_inter(
+ xd, plane, tx_size, &pd->dst.buf[4 * row * pd->dst.stride + 4 * col],
+ pd->dst.stride, eob);
+ }
+ pd->dqcoeff += (16 << (tx_size << 1));
+ pd->eob++;
+
+ return eob;
+}
+
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) {@@ -689,6 +783,25 @@
}
}
+static MODE_INFO *set_offsets_recon(VP9_COMMON *const cm, MACROBLOCKD *const xd,
+ int mi_row, int mi_col, int bw, int bh,
+ int bwl, int bhl) {+ const int offset = mi_row * cm->mi_stride + mi_col;
+ const TileInfo *const tile = &xd->tile;
+ xd->mi = cm->mi_grid_visible + offset;
+
+ set_plane_n4(xd, bw, bh, bwl, bhl);
+
+ set_skip_context(xd, mi_row, mi_col);
+
+ // Distance of Mb to the various image edges. These are specified to 8th pel
+ // as they are always compared to values that are in 1/8th pel units
+ set_mi_row_col(xd, tile, mi_row, bh, mi_col, bw, cm->mi_rows, cm->mi_cols);
+
+ vp9_setup_dst_planes(xd->plane, get_frame_new_buffer(cm), mi_row, mi_col);
+ return xd->mi[0];
+}
+
static MODE_INFO *set_offsets(VP9_COMMON *const cm, MACROBLOCKD *const xd,
BLOCK_SIZE bsize, int mi_row, int mi_col, int bw,
int bh, int x_mis, int y_mis, int bwl, int bhl) {@@ -718,6 +831,66 @@
return xd->mi[0];
}
+static INLINE int predict_recon_inter(MACROBLOCKD *xd, MODE_INFO *mi,
+ TileWorkerData *twd,
+ predict_recon_func func) {+ int eobtotal = 0;
+ int plane;
+ for (plane = 0; plane < MAX_MB_PLANE; ++plane) {+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ const TX_SIZE tx_size = plane ? get_uv_tx_size(mi, pd) : mi->tx_size;
+ const int num_4x4_w = pd->n4_w;
+ const int num_4x4_h = pd->n4_h;
+ const int step = (1 << tx_size);
+ int row, col;
+ const int max_blocks_wide =
+ num_4x4_w + (xd->mb_to_right_edge >= 0
+ ? 0
+ : xd->mb_to_right_edge >> (5 + pd->subsampling_x));
+ const int max_blocks_high =
+ num_4x4_h + (xd->mb_to_bottom_edge >= 0
+ ? 0
+ : xd->mb_to_bottom_edge >> (5 + pd->subsampling_y));
+
+ xd->max_blocks_wide = xd->mb_to_right_edge >= 0 ? 0 : max_blocks_wide;
+ xd->max_blocks_high = xd->mb_to_bottom_edge >= 0 ? 0 : max_blocks_high;
+
+ for (row = 0; row < max_blocks_high; row += step)
+ for (col = 0; col < max_blocks_wide; col += step)
+ eobtotal += func(twd, mi, plane, row, col, tx_size);
+ }
+ return eobtotal;
+}
+
+static INLINE void predict_recon_intra(MACROBLOCKD *xd, MODE_INFO *mi,
+ TileWorkerData *twd,
+ intra_recon_func func) {+ int plane;
+ for (plane = 0; plane < MAX_MB_PLANE; ++plane) {+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ const TX_SIZE tx_size = plane ? get_uv_tx_size(mi, pd) : mi->tx_size;
+ const int num_4x4_w = pd->n4_w;
+ const int num_4x4_h = pd->n4_h;
+ const int step = (1 << tx_size);
+ int row, col;
+ const int max_blocks_wide =
+ num_4x4_w + (xd->mb_to_right_edge >= 0
+ ? 0
+ : xd->mb_to_right_edge >> (5 + pd->subsampling_x));
+ const int max_blocks_high =
+ num_4x4_h + (xd->mb_to_bottom_edge >= 0
+ ? 0
+ : xd->mb_to_bottom_edge >> (5 + pd->subsampling_y));
+
+ xd->max_blocks_wide = xd->mb_to_right_edge >= 0 ? 0 : max_blocks_wide;
+ xd->max_blocks_high = xd->mb_to_bottom_edge >= 0 ? 0 : max_blocks_high;
+
+ for (row = 0; row < max_blocks_high; row += step)
+ for (col = 0; col < max_blocks_wide; col += step)
+ func(twd, mi, plane, row, col, tx_size);
+ }
+}
+
static void decode_block(TileWorkerData *twd, VP9Decoder *const pbi, int mi_row,
int mi_col, BLOCK_SIZE bsize, int bwl, int bhl) {VP9_COMMON *const cm = &pbi->common;
@@ -818,6 +991,81 @@
}
}
+static void recon_block(TileWorkerData *twd, VP9Decoder *const pbi, int mi_row,
+ int mi_col, BLOCK_SIZE bsize, int bwl, int bhl) {+ VP9_COMMON *const cm = &pbi->common;
+ const int bw = 1 << (bwl - 1);
+ const int bh = 1 << (bhl - 1);
+ MACROBLOCKD *const xd = &twd->xd;
+
+ MODE_INFO *mi = set_offsets_recon(cm, xd, mi_row, mi_col, bw, bh, bwl, bhl);
+
+ if (bsize >= BLOCK_8X8 && (cm->subsampling_x || cm->subsampling_y)) {+ const BLOCK_SIZE uv_subsize =
+ ss_size_lookup[bsize][cm->subsampling_x][cm->subsampling_y];
+ if (uv_subsize == BLOCK_INVALID)
+ vpx_internal_error(xd->error_info, VPX_CODEC_CORRUPT_FRAME,
+ "Invalid block size.");
+ }
+
+ if (!is_inter_block(mi)) {+ predict_recon_intra(xd, mi, twd,
+ predict_and_reconstruct_intra_block_row_mt);
+ } else {+ // Prediction
+ dec_build_inter_predictors_sb(pbi, xd, mi_row, mi_col);
+
+ // Reconstruction
+ if (!mi->skip) {+ predict_recon_inter(xd, mi, twd, reconstruct_inter_block_row_mt);
+ }
+ }
+
+ vp9_build_mask(cm, mi, mi_row, mi_col, bw, bh);
+}
+
+static void parse_block(TileWorkerData *twd, VP9Decoder *const pbi, int mi_row,
+ int mi_col, BLOCK_SIZE bsize, int bwl, int bhl) {+ VP9_COMMON *const cm = &pbi->common;
+ const int less8x8 = bsize < BLOCK_8X8;
+ const int bw = 1 << (bwl - 1);
+ const int bh = 1 << (bhl - 1);
+ const int x_mis = VPXMIN(bw, cm->mi_cols - mi_col);
+ const int y_mis = VPXMIN(bh, cm->mi_rows - mi_row);
+ vpx_reader *r = &twd->bit_reader;
+ MACROBLOCKD *const xd = &twd->xd;
+
+ MODE_INFO *mi = set_offsets(cm, xd, bsize, mi_row, mi_col, bw, bh, x_mis,
+ y_mis, bwl, bhl);
+
+ if (bsize >= BLOCK_8X8 && (cm->subsampling_x || cm->subsampling_y)) {+ const BLOCK_SIZE uv_subsize =
+ ss_size_lookup[bsize][cm->subsampling_x][cm->subsampling_y];
+ if (uv_subsize == BLOCK_INVALID)
+ vpx_internal_error(xd->error_info, VPX_CODEC_CORRUPT_FRAME,
+ "Invalid block size.");
+ }
+
+ vp9_read_mode_info(twd, pbi, mi_row, mi_col, x_mis, y_mis);
+
+ if (mi->skip) {+ dec_reset_skip_context(xd);
+ }
+
+ if (!is_inter_block(mi)) {+ predict_recon_intra(xd, mi, twd, parse_intra_block_row_mt);
+ } else {+ if (!mi->skip) {+ const int eobtotal =
+ predict_recon_inter(xd, mi, twd, parse_inter_block_row_mt);
+
+ if (!less8x8 && eobtotal == 0) mi->skip = 1; // skip loopfilter
+ }
+ }
+
+ xd->corrupted |= vpx_reader_has_error(r);
+}
+
static INLINE int dec_partition_plane_context(TileWorkerData *twd, int mi_row,
int mi_col, int bsl) {const PARTITION_CONTEXT *above_ctx = twd->xd.above_seg_context + mi_col;
@@ -924,6 +1172,118 @@
dec_update_partition_context(twd, mi_row, mi_col, subsize, num_8x8_wh);
}
+static void recon_partition(TileWorkerData *twd, VP9Decoder *const pbi,
+ int mi_row, int mi_col, BLOCK_SIZE bsize,
+ int n4x4_l2) {+ VP9_COMMON *const cm = &pbi->common;
+ const int n8x8_l2 = n4x4_l2 - 1;
+ const int num_8x8_wh = 1 << n8x8_l2;
+ const int hbs = num_8x8_wh >> 1;
+ PARTITION_TYPE partition;
+ BLOCK_SIZE subsize;
+ const int has_rows = (mi_row + hbs) < cm->mi_rows;
+ const int has_cols = (mi_col + hbs) < cm->mi_cols;
+ MACROBLOCKD *const xd = &twd->xd;
+
+ if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return;
+
+ partition = *xd->partition;
+ xd->partition++;
+
+ subsize = get_subsize(bsize, partition);
+ if (!hbs) {+ // calculate bmode block dimensions (log 2)
+ xd->bmode_blocks_wl = 1 >> !!(partition & PARTITION_VERT);
+ xd->bmode_blocks_hl = 1 >> !!(partition & PARTITION_HORZ);
+ recon_block(twd, pbi, mi_row, mi_col, subsize, 1, 1);
+ } else {+ switch (partition) {+ case PARTITION_NONE:
+ recon_block(twd, pbi, mi_row, mi_col, subsize, n4x4_l2, n4x4_l2);
+ break;
+ case PARTITION_HORZ:
+ recon_block(twd, pbi, mi_row, mi_col, subsize, n4x4_l2, n8x8_l2);
+ if (has_rows)
+ recon_block(twd, pbi, mi_row + hbs, mi_col, subsize, n4x4_l2,
+ n8x8_l2);
+ break;
+ case PARTITION_VERT:
+ recon_block(twd, pbi, mi_row, mi_col, subsize, n8x8_l2, n4x4_l2);
+ if (has_cols)
+ recon_block(twd, pbi, mi_row, mi_col + hbs, subsize, n8x8_l2,
+ n4x4_l2);
+ break;
+ case PARTITION_SPLIT:
+ recon_partition(twd, pbi, mi_row, mi_col, subsize, n8x8_l2);
+ recon_partition(twd, pbi, mi_row, mi_col + hbs, subsize, n8x8_l2);
+ recon_partition(twd, pbi, mi_row + hbs, mi_col, subsize, n8x8_l2);
+ recon_partition(twd, pbi, mi_row + hbs, mi_col + hbs, subsize, n8x8_l2);
+ break;
+ default: assert(0 && "Invalid partition type");
+ }
+ }
+}
+
+static void parse_partition(TileWorkerData *twd, VP9Decoder *const pbi,
+ int mi_row, int mi_col, BLOCK_SIZE bsize,
+ int n4x4_l2) {+ VP9_COMMON *const cm = &pbi->common;
+ const int n8x8_l2 = n4x4_l2 - 1;
+ const int num_8x8_wh = 1 << n8x8_l2;
+ const int hbs = num_8x8_wh >> 1;
+ PARTITION_TYPE partition;
+ BLOCK_SIZE subsize;
+ const int has_rows = (mi_row + hbs) < cm->mi_rows;
+ const int has_cols = (mi_col + hbs) < cm->mi_cols;
+ MACROBLOCKD *const xd = &twd->xd;
+
+ if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return;
+
+ *xd->partition =
+ read_partition(twd, mi_row, mi_col, has_rows, has_cols, n8x8_l2);
+
+ partition = *xd->partition;
+ xd->partition++;
+
+ subsize = get_subsize(bsize, partition);
+ if (!hbs) {+ // calculate bmode block dimensions (log 2)
+ xd->bmode_blocks_wl = 1 >> !!(partition & PARTITION_VERT);
+ xd->bmode_blocks_hl = 1 >> !!(partition & PARTITION_HORZ);
+ parse_block(twd, pbi, mi_row, mi_col, subsize, 1, 1);
+ } else {+ switch (partition) {+ case PARTITION_NONE:
+ parse_block(twd, pbi, mi_row, mi_col, subsize, n4x4_l2, n4x4_l2);
+ break;
+ case PARTITION_HORZ:
+ parse_block(twd, pbi, mi_row, mi_col, subsize, n4x4_l2, n8x8_l2);
+ if (has_rows)
+ parse_block(twd, pbi, mi_row + hbs, mi_col, subsize, n4x4_l2,
+ n8x8_l2);
+ break;
+ case PARTITION_VERT:
+ parse_block(twd, pbi, mi_row, mi_col, subsize, n8x8_l2, n4x4_l2);
+ if (has_cols)
+ parse_block(twd, pbi, mi_row, mi_col + hbs, subsize, n8x8_l2,
+ n4x4_l2);
+ break;
+ case PARTITION_SPLIT:
+ parse_partition(twd, pbi, mi_row, mi_col, subsize, n8x8_l2);
+ parse_partition(twd, pbi, mi_row, mi_col + hbs, subsize, n8x8_l2);
+ parse_partition(twd, pbi, mi_row + hbs, mi_col, subsize, n8x8_l2);
+ parse_partition(twd, pbi, mi_row + hbs, mi_col + hbs, subsize, n8x8_l2);
+ break;
+ default: assert(0 && "Invalid partition type");
+ }
+ }
+
+ // update partition context
+ if (bsize >= BLOCK_8X8 &&
+ (bsize == BLOCK_8X8 || partition != PARTITION_SPLIT))
+ dec_update_partition_context(twd, mi_row, mi_col, subsize, num_8x8_wh);
+}
+
static void setup_token_decoder(const uint8_t *data, const uint8_t *data_end,
size_t read_size,
struct vpx_internal_error_info *error_info,
@@ -1406,7 +1766,27 @@
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, mi_row, mi_col, BLOCK_64X64, 4);
+ if (pbi->row_mt == 1) {+ int plane;
+ RowMTWorkerData *const row_mt_worker_data = pbi->row_mt_worker_data;
+ for (plane = 0; plane < MAX_MB_PLANE; ++plane) {+ tile_data->xd.plane[plane].eob = row_mt_worker_data->eob[plane];
+ tile_data->xd.plane[plane].dqcoeff =
+ row_mt_worker_data->dqcoeff[plane];
+ }
+ tile_data->xd.partition = row_mt_worker_data->partition;
+ parse_partition(tile_data, pbi, mi_row, mi_col, BLOCK_64X64, 4);
+
+ for (plane = 0; plane < MAX_MB_PLANE; ++plane) {+ tile_data->xd.plane[plane].eob = row_mt_worker_data->eob[plane];
+ tile_data->xd.plane[plane].dqcoeff =
+ row_mt_worker_data->dqcoeff[plane];
+ }
+ tile_data->xd.partition = row_mt_worker_data->partition;
+ recon_partition(tile_data, pbi, mi_row, mi_col, BLOCK_64X64, 4);
+ } else {+ decode_partition(tile_data, pbi, mi_row, mi_col, BLOCK_64X64, 4);
+ }
}
pbi->mb.corrupted |= tile_data->xd.corrupted;
if (pbi->mb.corrupted)