diff options
Diffstat (limited to 'thirdparty/libvpx/vp9/common/vp9_loopfilter.c')
| -rw-r--r-- | thirdparty/libvpx/vp9/common/vp9_loopfilter.c | 1697 |
1 files changed, 0 insertions, 1697 deletions
diff --git a/thirdparty/libvpx/vp9/common/vp9_loopfilter.c b/thirdparty/libvpx/vp9/common/vp9_loopfilter.c deleted file mode 100644 index 183dec4e71..0000000000 --- a/thirdparty/libvpx/vp9/common/vp9_loopfilter.c +++ /dev/null @@ -1,1697 +0,0 @@ -/* - * Copyright (c) 2010 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#include "./vpx_config.h" -#include "./vpx_dsp_rtcd.h" -#include "vp9/common/vp9_loopfilter.h" -#include "vp9/common/vp9_onyxc_int.h" -#include "vp9/common/vp9_reconinter.h" -#include "vpx_dsp/vpx_dsp_common.h" -#include "vpx_mem/vpx_mem.h" -#include "vpx_ports/mem.h" - -#include "vp9/common/vp9_seg_common.h" - -// 64 bit masks for left transform size. Each 1 represents a position where -// we should apply a loop filter across the left border of an 8x8 block -// boundary. -// -// In the case of TX_16X16-> ( in low order byte first we end up with -// a mask that looks like this -// -// 10101010 -// 10101010 -// 10101010 -// 10101010 -// 10101010 -// 10101010 -// 10101010 -// 10101010 -// -// A loopfilter should be applied to every other 8x8 horizontally. -static const uint64_t left_64x64_txform_mask[TX_SIZES]= { - 0xffffffffffffffffULL, // TX_4X4 - 0xffffffffffffffffULL, // TX_8x8 - 0x5555555555555555ULL, // TX_16x16 - 0x1111111111111111ULL, // TX_32x32 -}; - -// 64 bit masks for above transform size. Each 1 represents a position where -// we should apply a loop filter across the top border of an 8x8 block -// boundary. -// -// In the case of TX_32x32 -> ( in low order byte first we end up with -// a mask that looks like this -// -// 11111111 -// 00000000 -// 00000000 -// 00000000 -// 11111111 -// 00000000 -// 00000000 -// 00000000 -// -// A loopfilter should be applied to every other 4 the row vertically. -static const uint64_t above_64x64_txform_mask[TX_SIZES]= { - 0xffffffffffffffffULL, // TX_4X4 - 0xffffffffffffffffULL, // TX_8x8 - 0x00ff00ff00ff00ffULL, // TX_16x16 - 0x000000ff000000ffULL, // TX_32x32 -}; - -// 64 bit masks for prediction sizes (left). Each 1 represents a position -// where left border of an 8x8 block. These are aligned to the right most -// appropriate bit, and then shifted into place. -// -// In the case of TX_16x32 -> ( low order byte first ) we end up with -// a mask that looks like this : -// -// 10000000 -// 10000000 -// 10000000 -// 10000000 -// 00000000 -// 00000000 -// 00000000 -// 00000000 -static const uint64_t left_prediction_mask[BLOCK_SIZES] = { - 0x0000000000000001ULL, // BLOCK_4X4, - 0x0000000000000001ULL, // BLOCK_4X8, - 0x0000000000000001ULL, // BLOCK_8X4, - 0x0000000000000001ULL, // BLOCK_8X8, - 0x0000000000000101ULL, // BLOCK_8X16, - 0x0000000000000001ULL, // BLOCK_16X8, - 0x0000000000000101ULL, // BLOCK_16X16, - 0x0000000001010101ULL, // BLOCK_16X32, - 0x0000000000000101ULL, // BLOCK_32X16, - 0x0000000001010101ULL, // BLOCK_32X32, - 0x0101010101010101ULL, // BLOCK_32X64, - 0x0000000001010101ULL, // BLOCK_64X32, - 0x0101010101010101ULL, // BLOCK_64X64 -}; - -// 64 bit mask to shift and set for each prediction size. -static const uint64_t above_prediction_mask[BLOCK_SIZES] = { - 0x0000000000000001ULL, // BLOCK_4X4 - 0x0000000000000001ULL, // BLOCK_4X8 - 0x0000000000000001ULL, // BLOCK_8X4 - 0x0000000000000001ULL, // BLOCK_8X8 - 0x0000000000000001ULL, // BLOCK_8X16, - 0x0000000000000003ULL, // BLOCK_16X8 - 0x0000000000000003ULL, // BLOCK_16X16 - 0x0000000000000003ULL, // BLOCK_16X32, - 0x000000000000000fULL, // BLOCK_32X16, - 0x000000000000000fULL, // BLOCK_32X32, - 0x000000000000000fULL, // BLOCK_32X64, - 0x00000000000000ffULL, // BLOCK_64X32, - 0x00000000000000ffULL, // BLOCK_64X64 -}; -// 64 bit mask to shift and set for each prediction size. A bit is set for -// each 8x8 block that would be in the left most block of the given block -// size in the 64x64 block. -static const uint64_t size_mask[BLOCK_SIZES] = { - 0x0000000000000001ULL, // BLOCK_4X4 - 0x0000000000000001ULL, // BLOCK_4X8 - 0x0000000000000001ULL, // BLOCK_8X4 - 0x0000000000000001ULL, // BLOCK_8X8 - 0x0000000000000101ULL, // BLOCK_8X16, - 0x0000000000000003ULL, // BLOCK_16X8 - 0x0000000000000303ULL, // BLOCK_16X16 - 0x0000000003030303ULL, // BLOCK_16X32, - 0x0000000000000f0fULL, // BLOCK_32X16, - 0x000000000f0f0f0fULL, // BLOCK_32X32, - 0x0f0f0f0f0f0f0f0fULL, // BLOCK_32X64, - 0x00000000ffffffffULL, // BLOCK_64X32, - 0xffffffffffffffffULL, // BLOCK_64X64 -}; - -// These are used for masking the left and above borders. -static const uint64_t left_border = 0x1111111111111111ULL; -static const uint64_t above_border = 0x000000ff000000ffULL; - -// 16 bit masks for uv transform sizes. -static const uint16_t left_64x64_txform_mask_uv[TX_SIZES]= { - 0xffff, // TX_4X4 - 0xffff, // TX_8x8 - 0x5555, // TX_16x16 - 0x1111, // TX_32x32 -}; - -static const uint16_t above_64x64_txform_mask_uv[TX_SIZES]= { - 0xffff, // TX_4X4 - 0xffff, // TX_8x8 - 0x0f0f, // TX_16x16 - 0x000f, // TX_32x32 -}; - -// 16 bit left mask to shift and set for each uv prediction size. -static const uint16_t left_prediction_mask_uv[BLOCK_SIZES] = { - 0x0001, // BLOCK_4X4, - 0x0001, // BLOCK_4X8, - 0x0001, // BLOCK_8X4, - 0x0001, // BLOCK_8X8, - 0x0001, // BLOCK_8X16, - 0x0001, // BLOCK_16X8, - 0x0001, // BLOCK_16X16, - 0x0011, // BLOCK_16X32, - 0x0001, // BLOCK_32X16, - 0x0011, // BLOCK_32X32, - 0x1111, // BLOCK_32X64 - 0x0011, // BLOCK_64X32, - 0x1111, // BLOCK_64X64 -}; -// 16 bit above mask to shift and set for uv each prediction size. -static const uint16_t above_prediction_mask_uv[BLOCK_SIZES] = { - 0x0001, // BLOCK_4X4 - 0x0001, // BLOCK_4X8 - 0x0001, // BLOCK_8X4 - 0x0001, // BLOCK_8X8 - 0x0001, // BLOCK_8X16, - 0x0001, // BLOCK_16X8 - 0x0001, // BLOCK_16X16 - 0x0001, // BLOCK_16X32, - 0x0003, // BLOCK_32X16, - 0x0003, // BLOCK_32X32, - 0x0003, // BLOCK_32X64, - 0x000f, // BLOCK_64X32, - 0x000f, // BLOCK_64X64 -}; - -// 64 bit mask to shift and set for each uv prediction size -static const uint16_t size_mask_uv[BLOCK_SIZES] = { - 0x0001, // BLOCK_4X4 - 0x0001, // BLOCK_4X8 - 0x0001, // BLOCK_8X4 - 0x0001, // BLOCK_8X8 - 0x0001, // BLOCK_8X16, - 0x0001, // BLOCK_16X8 - 0x0001, // BLOCK_16X16 - 0x0011, // BLOCK_16X32, - 0x0003, // BLOCK_32X16, - 0x0033, // BLOCK_32X32, - 0x3333, // BLOCK_32X64, - 0x00ff, // BLOCK_64X32, - 0xffff, // BLOCK_64X64 -}; -static const uint16_t left_border_uv = 0x1111; -static const uint16_t above_border_uv = 0x000f; - -static const int mode_lf_lut[MB_MODE_COUNT] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // INTRA_MODES - 1, 1, 0, 1 // INTER_MODES (ZEROMV == 0) -}; - -static void update_sharpness(loop_filter_info_n *lfi, int sharpness_lvl) { - int lvl; - - // For each possible value for the loop filter fill out limits - for (lvl = 0; lvl <= MAX_LOOP_FILTER; lvl++) { - // Set loop filter parameters that control sharpness. - int block_inside_limit = lvl >> ((sharpness_lvl > 0) + (sharpness_lvl > 4)); - - if (sharpness_lvl > 0) { - if (block_inside_limit > (9 - sharpness_lvl)) - block_inside_limit = (9 - sharpness_lvl); - } - - if (block_inside_limit < 1) - block_inside_limit = 1; - - memset(lfi->lfthr[lvl].lim, block_inside_limit, SIMD_WIDTH); - memset(lfi->lfthr[lvl].mblim, (2 * (lvl + 2) + block_inside_limit), - SIMD_WIDTH); - } -} - -static uint8_t get_filter_level(const loop_filter_info_n *lfi_n, - const MODE_INFO *mi) { - return lfi_n->lvl[mi->segment_id][mi->ref_frame[0]] - [mode_lf_lut[mi->mode]]; -} - -void vp9_loop_filter_init(VP9_COMMON *cm) { - loop_filter_info_n *lfi = &cm->lf_info; - struct loopfilter *lf = &cm->lf; - int lvl; - - // init limits for given sharpness - update_sharpness(lfi, lf->sharpness_level); - lf->last_sharpness_level = lf->sharpness_level; - - // init hev threshold const vectors - for (lvl = 0; lvl <= MAX_LOOP_FILTER; lvl++) - memset(lfi->lfthr[lvl].hev_thr, (lvl >> 4), SIMD_WIDTH); -} - -void vp9_loop_filter_frame_init(VP9_COMMON *cm, int default_filt_lvl) { - int seg_id; - // n_shift is the multiplier for lf_deltas - // the multiplier is 1 for when filter_lvl is between 0 and 31; - // 2 when filter_lvl is between 32 and 63 - const int scale = 1 << (default_filt_lvl >> 5); - loop_filter_info_n *const lfi = &cm->lf_info; - struct loopfilter *const lf = &cm->lf; - const struct segmentation *const seg = &cm->seg; - - // update limits if sharpness has changed - if (lf->last_sharpness_level != lf->sharpness_level) { - update_sharpness(lfi, lf->sharpness_level); - lf->last_sharpness_level = lf->sharpness_level; - } - - for (seg_id = 0; seg_id < MAX_SEGMENTS; seg_id++) { - int lvl_seg = default_filt_lvl; - if (segfeature_active(seg, seg_id, SEG_LVL_ALT_LF)) { - const int data = get_segdata(seg, seg_id, SEG_LVL_ALT_LF); - lvl_seg = clamp(seg->abs_delta == SEGMENT_ABSDATA ? - data : default_filt_lvl + data, - 0, MAX_LOOP_FILTER); - } - - if (!lf->mode_ref_delta_enabled) { - // we could get rid of this if we assume that deltas are set to - // zero when not in use; encoder always uses deltas - memset(lfi->lvl[seg_id], lvl_seg, sizeof(lfi->lvl[seg_id])); - } else { - int ref, mode; - const int intra_lvl = lvl_seg + lf->ref_deltas[INTRA_FRAME] * scale; - lfi->lvl[seg_id][INTRA_FRAME][0] = clamp(intra_lvl, 0, MAX_LOOP_FILTER); - - for (ref = LAST_FRAME; ref < MAX_REF_FRAMES; ++ref) { - for (mode = 0; mode < MAX_MODE_LF_DELTAS; ++mode) { - const int inter_lvl = lvl_seg + lf->ref_deltas[ref] * scale - + lf->mode_deltas[mode] * scale; - lfi->lvl[seg_id][ref][mode] = clamp(inter_lvl, 0, MAX_LOOP_FILTER); - } - } - } - } -} - -static void filter_selectively_vert_row2(int subsampling_factor, - uint8_t *s, int pitch, - unsigned int mask_16x16, - unsigned int mask_8x8, - unsigned int mask_4x4, - unsigned int mask_4x4_int, - const loop_filter_thresh *lfthr, - const uint8_t *lfl) { - const int dual_mask_cutoff = subsampling_factor ? 0xff : 0xffff; - const int lfl_forward = subsampling_factor ? 4 : 8; - const unsigned int dual_one = 1 | (1 << lfl_forward); - unsigned int mask; - uint8_t *ss[2]; - ss[0] = s; - - for (mask = - (mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int) & dual_mask_cutoff; - mask; mask = (mask & ~dual_one) >> 1) { - if (mask & dual_one) { - const loop_filter_thresh *lfis[2]; - lfis[0] = lfthr + *lfl; - lfis[1] = lfthr + *(lfl + lfl_forward); - ss[1] = ss[0] + 8 * pitch; - - if (mask_16x16 & dual_one) { - if ((mask_16x16 & dual_one) == dual_one) { - vpx_lpf_vertical_16_dual(ss[0], pitch, lfis[0]->mblim, lfis[0]->lim, - lfis[0]->hev_thr); - } else { - const loop_filter_thresh *lfi = lfis[!(mask_16x16 & 1)]; - vpx_lpf_vertical_16(ss[!(mask_16x16 & 1)], pitch, lfi->mblim, - lfi->lim, lfi->hev_thr); - } - } - - if (mask_8x8 & dual_one) { - if ((mask_8x8 & dual_one) == dual_one) { - vpx_lpf_vertical_8_dual(ss[0], pitch, lfis[0]->mblim, lfis[0]->lim, - lfis[0]->hev_thr, lfis[1]->mblim, - lfis[1]->lim, lfis[1]->hev_thr); - } else { - const loop_filter_thresh *lfi = lfis[!(mask_8x8 & 1)]; - vpx_lpf_vertical_8(ss[!(mask_8x8 & 1)], pitch, lfi->mblim, lfi->lim, - lfi->hev_thr); - } - } - - if (mask_4x4 & dual_one) { - if ((mask_4x4 & dual_one) == dual_one) { - vpx_lpf_vertical_4_dual(ss[0], pitch, lfis[0]->mblim, lfis[0]->lim, - lfis[0]->hev_thr, lfis[1]->mblim, - lfis[1]->lim, lfis[1]->hev_thr); - } else { - const loop_filter_thresh *lfi = lfis[!(mask_4x4 & 1)]; - vpx_lpf_vertical_4(ss[!(mask_4x4 & 1)], pitch, lfi->mblim, lfi->lim, - lfi->hev_thr); - } - } - - if (mask_4x4_int & dual_one) { - if ((mask_4x4_int & dual_one) == dual_one) { - vpx_lpf_vertical_4_dual(ss[0] + 4, pitch, lfis[0]->mblim, - lfis[0]->lim, lfis[0]->hev_thr, - lfis[1]->mblim, lfis[1]->lim, - lfis[1]->hev_thr); - } else { - const loop_filter_thresh *lfi = lfis[!(mask_4x4_int & 1)]; - vpx_lpf_vertical_4(ss[!(mask_4x4_int & 1)] + 4, pitch, lfi->mblim, - lfi->lim, lfi->hev_thr); - } - } - } - - ss[0] += 8; - lfl += 1; - mask_16x16 >>= 1; - mask_8x8 >>= 1; - mask_4x4 >>= 1; - mask_4x4_int >>= 1; - } -} - -#if CONFIG_VP9_HIGHBITDEPTH -static void highbd_filter_selectively_vert_row2(int subsampling_factor, - uint16_t *s, int pitch, - unsigned int mask_16x16, - unsigned int mask_8x8, - unsigned int mask_4x4, - unsigned int mask_4x4_int, - const loop_filter_thresh *lfthr, - const uint8_t *lfl, int bd) { - const int dual_mask_cutoff = subsampling_factor ? 0xff : 0xffff; - const int lfl_forward = subsampling_factor ? 4 : 8; - const unsigned int dual_one = 1 | (1 << lfl_forward); - unsigned int mask; - uint16_t *ss[2]; - ss[0] = s; - - for (mask = - (mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int) & dual_mask_cutoff; - mask; mask = (mask & ~dual_one) >> 1) { - if (mask & dual_one) { - const loop_filter_thresh *lfis[2]; - lfis[0] = lfthr + *lfl; - lfis[1] = lfthr + *(lfl + lfl_forward); - ss[1] = ss[0] + 8 * pitch; - - if (mask_16x16 & dual_one) { - if ((mask_16x16 & dual_one) == dual_one) { - vpx_highbd_lpf_vertical_16_dual(ss[0], pitch, lfis[0]->mblim, - lfis[0]->lim, lfis[0]->hev_thr, bd); - } else { - const loop_filter_thresh *lfi = lfis[!(mask_16x16 & 1)]; - vpx_highbd_lpf_vertical_16(ss[!(mask_16x16 & 1)], pitch, lfi->mblim, - lfi->lim, lfi->hev_thr, bd); - } - } - - if (mask_8x8 & dual_one) { - if ((mask_8x8 & dual_one) == dual_one) { - vpx_highbd_lpf_vertical_8_dual(ss[0], pitch, lfis[0]->mblim, - lfis[0]->lim, lfis[0]->hev_thr, - lfis[1]->mblim, lfis[1]->lim, - lfis[1]->hev_thr, bd); - } else { - const loop_filter_thresh *lfi = lfis[!(mask_8x8 & 1)]; - vpx_highbd_lpf_vertical_8(ss[!(mask_8x8 & 1)], pitch, lfi->mblim, - lfi->lim, lfi->hev_thr, bd); - } - } - - if (mask_4x4 & dual_one) { - if ((mask_4x4 & dual_one) == dual_one) { - vpx_highbd_lpf_vertical_4_dual(ss[0], pitch, lfis[0]->mblim, - lfis[0]->lim, lfis[0]->hev_thr, - lfis[1]->mblim, lfis[1]->lim, - lfis[1]->hev_thr, bd); - } else { - const loop_filter_thresh *lfi = lfis[!(mask_4x4 & 1)]; - vpx_highbd_lpf_vertical_4(ss[!(mask_4x4 & 1)], pitch, lfi->mblim, - lfi->lim, lfi->hev_thr, bd); - } - } - - if (mask_4x4_int & dual_one) { - if ((mask_4x4_int & dual_one) == dual_one) { - vpx_highbd_lpf_vertical_4_dual(ss[0] + 4, pitch, lfis[0]->mblim, - lfis[0]->lim, lfis[0]->hev_thr, - lfis[1]->mblim, lfis[1]->lim, - lfis[1]->hev_thr, bd); - } else { - const loop_filter_thresh *lfi = lfis[!(mask_4x4_int & 1)]; - vpx_highbd_lpf_vertical_4(ss[!(mask_4x4_int & 1)] + 4, pitch, - lfi->mblim, lfi->lim, lfi->hev_thr, bd); - } - } - } - - ss[0] += 8; - lfl += 1; - mask_16x16 >>= 1; - mask_8x8 >>= 1; - mask_4x4 >>= 1; - mask_4x4_int >>= 1; - } -} -#endif // CONFIG_VP9_HIGHBITDEPTH - -static void filter_selectively_horiz(uint8_t *s, int pitch, - unsigned int mask_16x16, - unsigned int mask_8x8, - unsigned int mask_4x4, - unsigned int mask_4x4_int, - const loop_filter_thresh *lfthr, - const uint8_t *lfl) { - unsigned int mask; - int count; - - for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; - mask; mask >>= count) { - count = 1; - if (mask & 1) { - const loop_filter_thresh *lfi = lfthr + *lfl; - - if (mask_16x16 & 1) { - if ((mask_16x16 & 3) == 3) { - vpx_lpf_horizontal_edge_16(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr); - count = 2; - } else { - vpx_lpf_horizontal_edge_8(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr); - } - } else if (mask_8x8 & 1) { - if ((mask_8x8 & 3) == 3) { - // Next block's thresholds. - const loop_filter_thresh *lfin = lfthr + *(lfl + 1); - - vpx_lpf_horizontal_8_dual(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, lfin->mblim, lfin->lim, - lfin->hev_thr); - - if ((mask_4x4_int & 3) == 3) { - vpx_lpf_horizontal_4_dual(s + 4 * pitch, pitch, lfi->mblim, - lfi->lim, lfi->hev_thr, lfin->mblim, - lfin->lim, lfin->hev_thr); - } else { - if (mask_4x4_int & 1) - vpx_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr); - else if (mask_4x4_int & 2) - vpx_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim, - lfin->lim, lfin->hev_thr); - } - count = 2; - } else { - vpx_lpf_horizontal_8(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr); - - if (mask_4x4_int & 1) - vpx_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr); - } - } else if (mask_4x4 & 1) { - if ((mask_4x4 & 3) == 3) { - // Next block's thresholds. - const loop_filter_thresh *lfin = lfthr + *(lfl + 1); - - vpx_lpf_horizontal_4_dual(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, lfin->mblim, lfin->lim, - lfin->hev_thr); - if ((mask_4x4_int & 3) == 3) { - vpx_lpf_horizontal_4_dual(s + 4 * pitch, pitch, lfi->mblim, - lfi->lim, lfi->hev_thr, lfin->mblim, - lfin->lim, lfin->hev_thr); - } else { - if (mask_4x4_int & 1) - vpx_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr); - else if (mask_4x4_int & 2) - vpx_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim, - lfin->lim, lfin->hev_thr); - } - count = 2; - } else { - vpx_lpf_horizontal_4(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr); - - if (mask_4x4_int & 1) - vpx_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr); - } - } else { - vpx_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr); - } - } - s += 8 * count; - lfl += count; - mask_16x16 >>= count; - mask_8x8 >>= count; - mask_4x4 >>= count; - mask_4x4_int >>= count; - } -} - -#if CONFIG_VP9_HIGHBITDEPTH -static void highbd_filter_selectively_horiz(uint16_t *s, int pitch, - unsigned int mask_16x16, - unsigned int mask_8x8, - unsigned int mask_4x4, - unsigned int mask_4x4_int, - const loop_filter_thresh *lfthr, - const uint8_t *lfl, int bd) { - unsigned int mask; - int count; - - for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; - mask; mask >>= count) { - count = 1; - if (mask & 1) { - const loop_filter_thresh *lfi = lfthr + *lfl; - - if (mask_16x16 & 1) { - if ((mask_16x16 & 3) == 3) { - vpx_highbd_lpf_horizontal_edge_16(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, bd); - count = 2; - } else { - vpx_highbd_lpf_horizontal_edge_8(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, bd); - } - } else if (mask_8x8 & 1) { - if ((mask_8x8 & 3) == 3) { - // Next block's thresholds. - const loop_filter_thresh *lfin = lfthr + *(lfl + 1); - - vpx_highbd_lpf_horizontal_8_dual(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, lfin->mblim, lfin->lim, - lfin->hev_thr, bd); - - if ((mask_4x4_int & 3) == 3) { - vpx_highbd_lpf_horizontal_4_dual(s + 4 * pitch, pitch, lfi->mblim, - lfi->lim, lfi->hev_thr, - lfin->mblim, lfin->lim, - lfin->hev_thr, bd); - } else { - if (mask_4x4_int & 1) { - vpx_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, - lfi->lim, lfi->hev_thr, bd); - } else if (mask_4x4_int & 2) { - vpx_highbd_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim, - lfin->lim, lfin->hev_thr, bd); - } - } - count = 2; - } else { - vpx_highbd_lpf_horizontal_8(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, bd); - - if (mask_4x4_int & 1) { - vpx_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, - lfi->lim, lfi->hev_thr, bd); - } - } - } else if (mask_4x4 & 1) { - if ((mask_4x4 & 3) == 3) { - // Next block's thresholds. - const loop_filter_thresh *lfin = lfthr + *(lfl + 1); - - vpx_highbd_lpf_horizontal_4_dual(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, lfin->mblim, lfin->lim, - lfin->hev_thr, bd); - if ((mask_4x4_int & 3) == 3) { - vpx_highbd_lpf_horizontal_4_dual(s + 4 * pitch, pitch, lfi->mblim, - lfi->lim, lfi->hev_thr, - lfin->mblim, lfin->lim, - lfin->hev_thr, bd); - } else { - if (mask_4x4_int & 1) { - vpx_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, - lfi->lim, lfi->hev_thr, bd); - } else if (mask_4x4_int & 2) { - vpx_highbd_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim, - lfin->lim, lfin->hev_thr, bd); - } - } - count = 2; - } else { - vpx_highbd_lpf_horizontal_4(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, bd); - - if (mask_4x4_int & 1) { - vpx_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, - lfi->lim, lfi->hev_thr, bd); - } - } - } else { - vpx_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, bd); - } - } - s += 8 * count; - lfl += count; - mask_16x16 >>= count; - mask_8x8 >>= count; - mask_4x4 >>= count; - mask_4x4_int >>= count; - } -} -#endif // CONFIG_VP9_HIGHBITDEPTH - -// This function ors into the current lfm structure, where to do loop -// filters for the specific mi we are looking at. It uses information -// including the block_size_type (32x16, 32x32, etc.), the transform size, -// whether there were any coefficients encoded, and the loop filter strength -// block we are currently looking at. Shift is used to position the -// 1's we produce. -static void build_masks(const loop_filter_info_n *const lfi_n, - const MODE_INFO *mi, const int shift_y, - const int shift_uv, - LOOP_FILTER_MASK *lfm) { - const BLOCK_SIZE block_size = mi->sb_type; - const TX_SIZE tx_size_y = mi->tx_size; - const TX_SIZE tx_size_uv = get_uv_tx_size_impl(tx_size_y, block_size, 1, 1); - const int filter_level = get_filter_level(lfi_n, mi); - uint64_t *const left_y = &lfm->left_y[tx_size_y]; - uint64_t *const above_y = &lfm->above_y[tx_size_y]; - uint64_t *const int_4x4_y = &lfm->int_4x4_y; - uint16_t *const left_uv = &lfm->left_uv[tx_size_uv]; - uint16_t *const above_uv = &lfm->above_uv[tx_size_uv]; - uint16_t *const int_4x4_uv = &lfm->int_4x4_uv; - int i; - - // If filter level is 0 we don't loop filter. - if (!filter_level) { - return; - } else { - const int w = num_8x8_blocks_wide_lookup[block_size]; - const int h = num_8x8_blocks_high_lookup[block_size]; - int index = shift_y; - for (i = 0; i < h; i++) { - memset(&lfm->lfl_y[index], filter_level, w); - index += 8; - } - } - - // These set 1 in the current block size for the block size edges. - // For instance if the block size is 32x16, we'll set: - // above = 1111 - // 0000 - // and - // left = 1000 - // = 1000 - // NOTE : In this example the low bit is left most ( 1000 ) is stored as - // 1, not 8... - // - // U and V set things on a 16 bit scale. - // - *above_y |= above_prediction_mask[block_size] << shift_y; - *above_uv |= above_prediction_mask_uv[block_size] << shift_uv; - *left_y |= left_prediction_mask[block_size] << shift_y; - *left_uv |= left_prediction_mask_uv[block_size] << shift_uv; - - // If the block has no coefficients and is not intra we skip applying - // the loop filter on block edges. - if (mi->skip && is_inter_block(mi)) - return; - - // Here we are adding a mask for the transform size. The transform - // size mask is set to be correct for a 64x64 prediction block size. We - // mask to match the size of the block we are working on and then shift it - // into place.. - *above_y |= (size_mask[block_size] & - above_64x64_txform_mask[tx_size_y]) << shift_y; - *above_uv |= (size_mask_uv[block_size] & - above_64x64_txform_mask_uv[tx_size_uv]) << shift_uv; - - *left_y |= (size_mask[block_size] & - left_64x64_txform_mask[tx_size_y]) << shift_y; - *left_uv |= (size_mask_uv[block_size] & - left_64x64_txform_mask_uv[tx_size_uv]) << shift_uv; - - // Here we are trying to determine what to do with the internal 4x4 block - // boundaries. These differ from the 4x4 boundaries on the outside edge of - // an 8x8 in that the internal ones can be skipped and don't depend on - // the prediction block size. - if (tx_size_y == TX_4X4) - *int_4x4_y |= size_mask[block_size] << shift_y; - - if (tx_size_uv == TX_4X4) - *int_4x4_uv |= (size_mask_uv[block_size] & 0xffff) << shift_uv; -} - -// This function does the same thing as the one above with the exception that -// it only affects the y masks. It exists because for blocks < 16x16 in size, -// we only update u and v masks on the first block. -static void build_y_mask(const loop_filter_info_n *const lfi_n, - const MODE_INFO *mi, const int shift_y, - LOOP_FILTER_MASK *lfm) { - const BLOCK_SIZE block_size = mi->sb_type; - const TX_SIZE tx_size_y = mi->tx_size; - const int filter_level = get_filter_level(lfi_n, mi); - uint64_t *const left_y = &lfm->left_y[tx_size_y]; - uint64_t *const above_y = &lfm->above_y[tx_size_y]; - uint64_t *const int_4x4_y = &lfm->int_4x4_y; - int i; - - if (!filter_level) { - return; - } else { - const int w = num_8x8_blocks_wide_lookup[block_size]; - const int h = num_8x8_blocks_high_lookup[block_size]; - int index = shift_y; - for (i = 0; i < h; i++) { - memset(&lfm->lfl_y[index], filter_level, w); - index += 8; - } - } - - *above_y |= above_prediction_mask[block_size] << shift_y; - *left_y |= left_prediction_mask[block_size] << shift_y; - - if (mi->skip && is_inter_block(mi)) - return; - - *above_y |= (size_mask[block_size] & - above_64x64_txform_mask[tx_size_y]) << shift_y; - - *left_y |= (size_mask[block_size] & - left_64x64_txform_mask[tx_size_y]) << shift_y; - - if (tx_size_y == TX_4X4) - *int_4x4_y |= size_mask[block_size] << shift_y; -} - -void vp9_adjust_mask(VP9_COMMON *const cm, const int mi_row, - const int mi_col, LOOP_FILTER_MASK *lfm) { - int i; - - // The largest loopfilter we have is 16x16 so we use the 16x16 mask - // for 32x32 transforms also. - lfm->left_y[TX_16X16] |= lfm->left_y[TX_32X32]; - lfm->above_y[TX_16X16] |= lfm->above_y[TX_32X32]; - lfm->left_uv[TX_16X16] |= lfm->left_uv[TX_32X32]; - lfm->above_uv[TX_16X16] |= lfm->above_uv[TX_32X32]; - - // We do at least 8 tap filter on every 32x32 even if the transform size - // is 4x4. So if the 4x4 is set on a border pixel add it to the 8x8 and - // remove it from the 4x4. - lfm->left_y[TX_8X8] |= lfm->left_y[TX_4X4] & left_border; - lfm->left_y[TX_4X4] &= ~left_border; - lfm->above_y[TX_8X8] |= lfm->above_y[TX_4X4] & above_border; - lfm->above_y[TX_4X4] &= ~above_border; - lfm->left_uv[TX_8X8] |= lfm->left_uv[TX_4X4] & left_border_uv; - lfm->left_uv[TX_4X4] &= ~left_border_uv; - lfm->above_uv[TX_8X8] |= lfm->above_uv[TX_4X4] & above_border_uv; - lfm->above_uv[TX_4X4] &= ~above_border_uv; - - // We do some special edge handling. - if (mi_row + MI_BLOCK_SIZE > cm->mi_rows) { - const uint64_t rows = cm->mi_rows - mi_row; - - // Each pixel inside the border gets a 1, - const uint64_t mask_y = (((uint64_t) 1 << (rows << 3)) - 1); - const uint16_t mask_uv = (((uint16_t) 1 << (((rows + 1) >> 1) << 2)) - 1); - - // Remove values completely outside our border. - for (i = 0; i < TX_32X32; i++) { - lfm->left_y[i] &= mask_y; - lfm->above_y[i] &= mask_y; - lfm->left_uv[i] &= mask_uv; - lfm->above_uv[i] &= mask_uv; - } - lfm->int_4x4_y &= mask_y; - lfm->int_4x4_uv &= mask_uv; - - // We don't apply a wide loop filter on the last uv block row. If set - // apply the shorter one instead. - if (rows == 1) { - lfm->above_uv[TX_8X8] |= lfm->above_uv[TX_16X16]; - lfm->above_uv[TX_16X16] = 0; - } - if (rows == 5) { - lfm->above_uv[TX_8X8] |= lfm->above_uv[TX_16X16] & 0xff00; - lfm->above_uv[TX_16X16] &= ~(lfm->above_uv[TX_16X16] & 0xff00); - } - } - - if (mi_col + MI_BLOCK_SIZE > cm->mi_cols) { - const uint64_t columns = cm->mi_cols - mi_col; - - // Each pixel inside the border gets a 1, the multiply copies the border - // to where we need it. - const uint64_t mask_y = (((1 << columns) - 1)) * 0x0101010101010101ULL; - const uint16_t mask_uv = ((1 << ((columns + 1) >> 1)) - 1) * 0x1111; - - // Internal edges are not applied on the last column of the image so - // we mask 1 more for the internal edges - const uint16_t mask_uv_int = ((1 << (columns >> 1)) - 1) * 0x1111; - - // Remove the bits outside the image edge. - for (i = 0; i < TX_32X32; i++) { - lfm->left_y[i] &= mask_y; - lfm->above_y[i] &= mask_y; - lfm->left_uv[i] &= mask_uv; - lfm->above_uv[i] &= mask_uv; - } - lfm->int_4x4_y &= mask_y; - lfm->int_4x4_uv &= mask_uv_int; - - // We don't apply a wide loop filter on the last uv column. If set - // apply the shorter one instead. - if (columns == 1) { - lfm->left_uv[TX_8X8] |= lfm->left_uv[TX_16X16]; - lfm->left_uv[TX_16X16] = 0; - } - if (columns == 5) { - lfm->left_uv[TX_8X8] |= (lfm->left_uv[TX_16X16] & 0xcccc); - lfm->left_uv[TX_16X16] &= ~(lfm->left_uv[TX_16X16] & 0xcccc); - } - } - // We don't apply a loop filter on the first column in the image, mask that - // out. - if (mi_col == 0) { - for (i = 0; i < TX_32X32; i++) { - lfm->left_y[i] &= 0xfefefefefefefefeULL; - lfm->left_uv[i] &= 0xeeee; - } - } - - // Assert if we try to apply 2 different loop filters at the same position. - assert(!(lfm->left_y[TX_16X16] & lfm->left_y[TX_8X8])); - assert(!(lfm->left_y[TX_16X16] & lfm->left_y[TX_4X4])); - assert(!(lfm->left_y[TX_8X8] & lfm->left_y[TX_4X4])); - assert(!(lfm->int_4x4_y & lfm->left_y[TX_16X16])); - assert(!(lfm->left_uv[TX_16X16]&lfm->left_uv[TX_8X8])); - assert(!(lfm->left_uv[TX_16X16] & lfm->left_uv[TX_4X4])); - assert(!(lfm->left_uv[TX_8X8] & lfm->left_uv[TX_4X4])); - assert(!(lfm->int_4x4_uv & lfm->left_uv[TX_16X16])); - assert(!(lfm->above_y[TX_16X16] & lfm->above_y[TX_8X8])); - assert(!(lfm->above_y[TX_16X16] & lfm->above_y[TX_4X4])); - assert(!(lfm->above_y[TX_8X8] & lfm->above_y[TX_4X4])); - assert(!(lfm->int_4x4_y & lfm->above_y[TX_16X16])); - assert(!(lfm->above_uv[TX_16X16] & lfm->above_uv[TX_8X8])); - assert(!(lfm->above_uv[TX_16X16] & lfm->above_uv[TX_4X4])); - assert(!(lfm->above_uv[TX_8X8] & lfm->above_uv[TX_4X4])); - assert(!(lfm->int_4x4_uv & lfm->above_uv[TX_16X16])); -} - -// This function sets up the bit masks for the entire 64x64 region represented -// by mi_row, mi_col. -void vp9_setup_mask(VP9_COMMON *const cm, const int mi_row, const int mi_col, - MODE_INFO **mi, const int mode_info_stride, - LOOP_FILTER_MASK *lfm) { - int idx_32, idx_16, idx_8; - const loop_filter_info_n *const lfi_n = &cm->lf_info; - MODE_INFO **mip = mi; - MODE_INFO **mip2 = mi; - - // These are offsets to the next mi in the 64x64 block. It is what gets - // added to the mi ptr as we go through each loop. It helps us to avoid - // setting up special row and column counters for each index. The last step - // brings us out back to the starting position. - const int offset_32[] = {4, (mode_info_stride << 2) - 4, 4, - -(mode_info_stride << 2) - 4}; - const int offset_16[] = {2, (mode_info_stride << 1) - 2, 2, - -(mode_info_stride << 1) - 2}; - const int offset[] = {1, mode_info_stride - 1, 1, -mode_info_stride - 1}; - - // Following variables represent shifts to position the current block - // mask over the appropriate block. A shift of 36 to the left will move - // the bits for the final 32 by 32 block in the 64x64 up 4 rows and left - // 4 rows to the appropriate spot. - const int shift_32_y[] = {0, 4, 32, 36}; - const int shift_16_y[] = {0, 2, 16, 18}; - const int shift_8_y[] = {0, 1, 8, 9}; - const int shift_32_uv[] = {0, 2, 8, 10}; - const int shift_16_uv[] = {0, 1, 4, 5}; - const int max_rows = (mi_row + MI_BLOCK_SIZE > cm->mi_rows ? - cm->mi_rows - mi_row : MI_BLOCK_SIZE); - const int max_cols = (mi_col + MI_BLOCK_SIZE > cm->mi_cols ? - cm->mi_cols - mi_col : MI_BLOCK_SIZE); - - vp9_zero(*lfm); - assert(mip[0] != NULL); - - switch (mip[0]->sb_type) { - case BLOCK_64X64: - build_masks(lfi_n, mip[0] , 0, 0, lfm); - break; - case BLOCK_64X32: - build_masks(lfi_n, mip[0], 0, 0, lfm); - mip2 = mip + mode_info_stride * 4; - if (4 >= max_rows) - break; - build_masks(lfi_n, mip2[0], 32, 8, lfm); - break; - case BLOCK_32X64: - build_masks(lfi_n, mip[0], 0, 0, lfm); - mip2 = mip + 4; - if (4 >= max_cols) - break; - build_masks(lfi_n, mip2[0], 4, 2, lfm); - break; - default: - for (idx_32 = 0; idx_32 < 4; mip += offset_32[idx_32], ++idx_32) { - const int shift_y = shift_32_y[idx_32]; - const int shift_uv = shift_32_uv[idx_32]; - const int mi_32_col_offset = ((idx_32 & 1) << 2); - const int mi_32_row_offset = ((idx_32 >> 1) << 2); - if (mi_32_col_offset >= max_cols || mi_32_row_offset >= max_rows) - continue; - switch (mip[0]->sb_type) { - case BLOCK_32X32: - build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm); - break; - case BLOCK_32X16: - build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm); - if (mi_32_row_offset + 2 >= max_rows) - continue; - mip2 = mip + mode_info_stride * 2; - build_masks(lfi_n, mip2[0], shift_y + 16, shift_uv + 4, lfm); - break; - case BLOCK_16X32: - build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm); - if (mi_32_col_offset + 2 >= max_cols) - continue; - mip2 = mip + 2; - build_masks(lfi_n, mip2[0], shift_y + 2, shift_uv + 1, lfm); - break; - default: - for (idx_16 = 0; idx_16 < 4; mip += offset_16[idx_16], ++idx_16) { - const int shift_y = shift_32_y[idx_32] + shift_16_y[idx_16]; - const int shift_uv = shift_32_uv[idx_32] + shift_16_uv[idx_16]; - const int mi_16_col_offset = mi_32_col_offset + - ((idx_16 & 1) << 1); - const int mi_16_row_offset = mi_32_row_offset + - ((idx_16 >> 1) << 1); - - if (mi_16_col_offset >= max_cols || mi_16_row_offset >= max_rows) - continue; - - switch (mip[0]->sb_type) { - case BLOCK_16X16: - build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm); - break; - case BLOCK_16X8: - build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm); - if (mi_16_row_offset + 1 >= max_rows) - continue; - mip2 = mip + mode_info_stride; - build_y_mask(lfi_n, mip2[0], shift_y+8, lfm); - break; - case BLOCK_8X16: - build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm); - if (mi_16_col_offset +1 >= max_cols) - continue; - mip2 = mip + 1; - build_y_mask(lfi_n, mip2[0], shift_y+1, lfm); - break; - default: { - const int shift_y = shift_32_y[idx_32] + - shift_16_y[idx_16] + - shift_8_y[0]; - build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm); - mip += offset[0]; - for (idx_8 = 1; idx_8 < 4; mip += offset[idx_8], ++idx_8) { - const int shift_y = shift_32_y[idx_32] + - shift_16_y[idx_16] + - shift_8_y[idx_8]; - const int mi_8_col_offset = mi_16_col_offset + - ((idx_8 & 1)); - const int mi_8_row_offset = mi_16_row_offset + - ((idx_8 >> 1)); - - if (mi_8_col_offset >= max_cols || - mi_8_row_offset >= max_rows) - continue; - build_y_mask(lfi_n, mip[0], shift_y, lfm); - } - break; - } - } - } - break; - } - } - break; - } -} - -static void filter_selectively_vert(uint8_t *s, int pitch, - unsigned int mask_16x16, - unsigned int mask_8x8, - unsigned int mask_4x4, - unsigned int mask_4x4_int, - const loop_filter_thresh *lfthr, - const uint8_t *lfl) { - unsigned int mask; - - for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; - mask; mask >>= 1) { - const loop_filter_thresh *lfi = lfthr + *lfl; - - if (mask & 1) { - if (mask_16x16 & 1) { - vpx_lpf_vertical_16(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr); - } else if (mask_8x8 & 1) { - vpx_lpf_vertical_8(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr); - } else if (mask_4x4 & 1) { - vpx_lpf_vertical_4(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr); - } - } - if (mask_4x4_int & 1) - vpx_lpf_vertical_4(s + 4, pitch, lfi->mblim, lfi->lim, lfi->hev_thr); - s += 8; - lfl += 1; - mask_16x16 >>= 1; - mask_8x8 >>= 1; - mask_4x4 >>= 1; - mask_4x4_int >>= 1; - } -} - -#if CONFIG_VP9_HIGHBITDEPTH -static void highbd_filter_selectively_vert(uint16_t *s, int pitch, - unsigned int mask_16x16, - unsigned int mask_8x8, - unsigned int mask_4x4, - unsigned int mask_4x4_int, - const loop_filter_thresh *lfthr, - const uint8_t *lfl, int bd) { - unsigned int mask; - - for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; - mask; mask >>= 1) { - const loop_filter_thresh *lfi = lfthr + *lfl; - - if (mask & 1) { - if (mask_16x16 & 1) { - vpx_highbd_lpf_vertical_16(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, bd); - } else if (mask_8x8 & 1) { - vpx_highbd_lpf_vertical_8(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, bd); - } else if (mask_4x4 & 1) { - vpx_highbd_lpf_vertical_4(s, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, bd); - } - } - if (mask_4x4_int & 1) - vpx_highbd_lpf_vertical_4(s + 4, pitch, lfi->mblim, lfi->lim, - lfi->hev_thr, bd); - s += 8; - lfl += 1; - mask_16x16 >>= 1; - mask_8x8 >>= 1; - mask_4x4 >>= 1; - mask_4x4_int >>= 1; - } -} -#endif // CONFIG_VP9_HIGHBITDEPTH - -void vp9_filter_block_plane_non420(VP9_COMMON *cm, - struct macroblockd_plane *plane, - MODE_INFO **mi_8x8, - int mi_row, 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_stride = cm->mi_stride * row_step; - struct buf_2d *const dst = &plane->dst; - uint8_t* const dst0 = dst->buf; - unsigned int mask_16x16[MI_BLOCK_SIZE] = {0}; - unsigned int mask_8x8[MI_BLOCK_SIZE] = {0}; - unsigned int mask_4x4[MI_BLOCK_SIZE] = {0}; - unsigned int mask_4x4_int[MI_BLOCK_SIZE] = {0}; - uint8_t lfl[MI_BLOCK_SIZE * MI_BLOCK_SIZE]; - int r, c; - - for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < cm->mi_rows; 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; - - // Determine the vertical edges that need filtering - for (c = 0; c < MI_BLOCK_SIZE && mi_col + c < cm->mi_cols; c += col_step) { - const MODE_INFO *mi = mi_8x8[c]; - const BLOCK_SIZE sb_type = mi[0].sb_type; - const int skip_this = mi[0].skip && is_inter_block(mi); - // left edge of current unit is block/partition edge -> no skip - const int block_edge_left = (num_4x4_blocks_wide_lookup[sb_type] > 1) ? - !(c & (num_8x8_blocks_wide_lookup[sb_type] - 1)) : 1; - const int skip_this_c = skip_this && !block_edge_left; - // top edge of current unit is block/partition edge -> no skip - const int block_edge_above = (num_4x4_blocks_high_lookup[sb_type] > 1) ? - !(r & (num_8x8_blocks_high_lookup[sb_type] - 1)) : 1; - const int skip_this_r = skip_this && !block_edge_above; - const TX_SIZE tx_size = get_uv_tx_size(mi, plane); - const int skip_border_4x4_c = ss_x && mi_col + c == cm->mi_cols - 1; - const int skip_border_4x4_r = ss_y && mi_row + r == cm->mi_rows - 1; - - // Filter level can vary per MI - if (!(lfl[(r << 3) + (c >> ss_x)] = - get_filter_level(&cm->lf_info, mi))) - continue; - - // Build masks based on the transform size of each block - if (tx_size == TX_32X32) { - if (!skip_this_c && ((c >> ss_x) & 3) == 0) { - if (!skip_border_4x4_c) - mask_16x16_c |= 1 << (c >> ss_x); - else - mask_8x8_c |= 1 << (c >> ss_x); - } - if (!skip_this_r && ((r >> ss_y) & 3) == 0) { - if (!skip_border_4x4_r) - mask_16x16[r] |= 1 << (c >> ss_x); - else - mask_8x8[r] |= 1 << (c >> ss_x); - } - } else if (tx_size == TX_16X16) { - if (!skip_this_c && ((c >> ss_x) & 1) == 0) { - if (!skip_border_4x4_c) - mask_16x16_c |= 1 << (c >> ss_x); - else - mask_8x8_c |= 1 << (c >> ss_x); - } - if (!skip_this_r && ((r >> ss_y) & 1) == 0) { - if (!skip_border_4x4_r) - mask_16x16[r] |= 1 << (c >> ss_x); - else - mask_8x8[r] |= 1 << (c >> ss_x); - } - } else { - // force 8x8 filtering on 32x32 boundaries - if (!skip_this_c) { - if (tx_size == TX_8X8 || ((c >> ss_x) & 3) == 0) - mask_8x8_c |= 1 << (c >> ss_x); - else - mask_4x4_c |= 1 << (c >> ss_x); - } - - if (!skip_this_r) { - if (tx_size == TX_8X8 || ((r >> ss_y) & 3) == 0) - mask_8x8[r] |= 1 << (c >> ss_x); - else - mask_4x4[r] |= 1 << (c >> ss_x); - } - - if (!skip_this && tx_size < TX_8X8 && !skip_border_4x4_c) - mask_4x4_int[r] |= 1 << (c >> ss_x); - } - } - - // Disable filtering on the leftmost column - border_mask = ~(mi_col == 0); -#if CONFIG_VP9_HIGHBITDEPTH - if (cm->use_highbitdepth) { - highbd_filter_selectively_vert(CONVERT_TO_SHORTPTR(dst->buf), - dst->stride, - mask_16x16_c & border_mask, - mask_8x8_c & border_mask, - mask_4x4_c & border_mask, - mask_4x4_int[r], - cm->lf_info.lfthr, &lfl[r << 3], - (int)cm->bit_depth); - } else { -#endif // CONFIG_VP9_HIGHBITDEPTH - filter_selectively_vert(dst->buf, dst->stride, - mask_16x16_c & border_mask, - mask_8x8_c & border_mask, - mask_4x4_c & border_mask, - mask_4x4_int[r], - cm->lf_info.lfthr, &lfl[r << 3]); -#if CONFIG_VP9_HIGHBITDEPTH - } -#endif // CONFIG_VP9_HIGHBITDEPTH - dst->buf += 8 * dst->stride; - mi_8x8 += row_step_stride; - } - - // Now do horizontal pass - dst->buf = dst0; - for (r = 0; r < MI_BLOCK_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; - 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) { - mask_16x16_r = 0; - mask_8x8_r = 0; - mask_4x4_r = 0; - } else { - mask_16x16_r = mask_16x16[r]; - mask_8x8_r = mask_8x8[r]; - mask_4x4_r = mask_4x4[r]; - } -#if CONFIG_VP9_HIGHBITDEPTH - if (cm->use_highbitdepth) { - highbd_filter_selectively_horiz(CONVERT_TO_SHORTPTR(dst->buf), - dst->stride, - mask_16x16_r, - mask_8x8_r, - mask_4x4_r, - mask_4x4_int_r, - cm->lf_info.lfthr, &lfl[r << 3], - (int)cm->bit_depth); - } else { -#endif // CONFIG_VP9_HIGHBITDEPTH - filter_selectively_horiz(dst->buf, dst->stride, - mask_16x16_r, - mask_8x8_r, - mask_4x4_r, - mask_4x4_int_r, - cm->lf_info.lfthr, &lfl[r << 3]); -#if CONFIG_VP9_HIGHBITDEPTH - } -#endif // CONFIG_VP9_HIGHBITDEPTH - dst->buf += 8 * dst->stride; - } -} - -void vp9_filter_block_plane_ss00(VP9_COMMON *const cm, - struct macroblockd_plane *const plane, - int mi_row, - LOOP_FILTER_MASK *lfm) { - struct buf_2d *const dst = &plane->dst; - uint8_t *const dst0 = dst->buf; - int r; - uint64_t mask_16x16 = lfm->left_y[TX_16X16]; - uint64_t mask_8x8 = lfm->left_y[TX_8X8]; - uint64_t mask_4x4 = lfm->left_y[TX_4X4]; - uint64_t mask_4x4_int = lfm->int_4x4_y; - - assert(plane->subsampling_x == 0 && plane->subsampling_y == 0); - - // Vertical pass: do 2 rows at one time - for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < cm->mi_rows; r += 2) { - // Disable filtering on the leftmost column. -#if CONFIG_VP9_HIGHBITDEPTH - if (cm->use_highbitdepth) { - highbd_filter_selectively_vert_row2(plane->subsampling_x, - CONVERT_TO_SHORTPTR(dst->buf), - dst->stride, - (unsigned int)mask_16x16, - (unsigned int)mask_8x8, - (unsigned int)mask_4x4, - (unsigned int)mask_4x4_int, - cm->lf_info.lfthr, - &lfm->lfl_y[r << 3], - (int)cm->bit_depth); - } else { -#endif // CONFIG_VP9_HIGHBITDEPTH - filter_selectively_vert_row2(plane->subsampling_x, dst->buf, dst->stride, - (unsigned int)mask_16x16, - (unsigned int)mask_8x8, - (unsigned int)mask_4x4, - (unsigned int)mask_4x4_int, - cm->lf_info.lfthr, &lfm->lfl_y[r << 3]); -#if CONFIG_VP9_HIGHBITDEPTH - } -#endif // CONFIG_VP9_HIGHBITDEPTH - dst->buf += 16 * dst->stride; - mask_16x16 >>= 16; - mask_8x8 >>= 16; - mask_4x4 >>= 16; - mask_4x4_int >>= 16; - } - - // Horizontal pass - dst->buf = dst0; - mask_16x16 = lfm->above_y[TX_16X16]; - mask_8x8 = lfm->above_y[TX_8X8]; - mask_4x4 = lfm->above_y[TX_4X4]; - mask_4x4_int = lfm->int_4x4_y; - - for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < cm->mi_rows; r++) { - unsigned int mask_16x16_r; - unsigned int mask_8x8_r; - unsigned int mask_4x4_r; - - if (mi_row + r == 0) { - mask_16x16_r = 0; - mask_8x8_r = 0; - mask_4x4_r = 0; - } else { - mask_16x16_r = mask_16x16 & 0xff; - mask_8x8_r = mask_8x8 & 0xff; - mask_4x4_r = mask_4x4 & 0xff; - } - -#if CONFIG_VP9_HIGHBITDEPTH - if (cm->use_highbitdepth) { - highbd_filter_selectively_horiz(CONVERT_TO_SHORTPTR(dst->buf), - dst->stride, mask_16x16_r, mask_8x8_r, - mask_4x4_r, mask_4x4_int & 0xff, - cm->lf_info.lfthr, &lfm->lfl_y[r << 3], - (int)cm->bit_depth); - } else { -#endif // CONFIG_VP9_HIGHBITDEPTH - filter_selectively_horiz(dst->buf, dst->stride, mask_16x16_r, mask_8x8_r, - mask_4x4_r, mask_4x4_int & 0xff, - cm->lf_info.lfthr, &lfm->lfl_y[r << 3]); -#if CONFIG_VP9_HIGHBITDEPTH - } -#endif // CONFIG_VP9_HIGHBITDEPTH - - dst->buf += 8 * dst->stride; - mask_16x16 >>= 8; - mask_8x8 >>= 8; - mask_4x4 >>= 8; - mask_4x4_int >>= 8; - } -} - -void vp9_filter_block_plane_ss11(VP9_COMMON *const cm, - struct macroblockd_plane *const plane, - int mi_row, - LOOP_FILTER_MASK *lfm) { - struct buf_2d *const dst = &plane->dst; - uint8_t *const dst0 = dst->buf; - int r, c; - uint8_t lfl_uv[16]; - - uint16_t mask_16x16 = lfm->left_uv[TX_16X16]; - uint16_t mask_8x8 = lfm->left_uv[TX_8X8]; - uint16_t mask_4x4 = lfm->left_uv[TX_4X4]; - uint16_t mask_4x4_int = lfm->int_4x4_uv; - - assert(plane->subsampling_x == 1 && plane->subsampling_y == 1); - - // Vertical pass: do 2 rows at one time - for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < cm->mi_rows; r += 4) { - for (c = 0; c < (MI_BLOCK_SIZE >> 1); c++) { - lfl_uv[(r << 1) + c] = lfm->lfl_y[(r << 3) + (c << 1)]; - lfl_uv[((r + 2) << 1) + c] = lfm->lfl_y[((r + 2) << 3) + (c << 1)]; - } - - // Disable filtering on the leftmost column. -#if CONFIG_VP9_HIGHBITDEPTH - if (cm->use_highbitdepth) { - highbd_filter_selectively_vert_row2(plane->subsampling_x, - CONVERT_TO_SHORTPTR(dst->buf), - dst->stride, - (unsigned int)mask_16x16, - (unsigned int)mask_8x8, - (unsigned int)mask_4x4, - (unsigned int)mask_4x4_int, - cm->lf_info.lfthr, &lfl_uv[r << 1], - (int)cm->bit_depth); - } else { -#endif // CONFIG_VP9_HIGHBITDEPTH - filter_selectively_vert_row2(plane->subsampling_x, dst->buf, dst->stride, - (unsigned int)mask_16x16, - (unsigned int)mask_8x8, - (unsigned int)mask_4x4, - (unsigned int)mask_4x4_int, - cm->lf_info.lfthr, &lfl_uv[r << 1]); -#if CONFIG_VP9_HIGHBITDEPTH - } -#endif // CONFIG_VP9_HIGHBITDEPTH - - dst->buf += 16 * dst->stride; - mask_16x16 >>= 8; - mask_8x8 >>= 8; - mask_4x4 >>= 8; - mask_4x4_int >>= 8; - } - - // Horizontal pass - dst->buf = dst0; - mask_16x16 = lfm->above_uv[TX_16X16]; - mask_8x8 = lfm->above_uv[TX_8X8]; - mask_4x4 = lfm->above_uv[TX_4X4]; - mask_4x4_int = lfm->int_4x4_uv; - - for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < cm->mi_rows; r += 2) { - const int skip_border_4x4_r = mi_row + r == cm->mi_rows - 1; - const unsigned int mask_4x4_int_r = - skip_border_4x4_r ? 0 : (mask_4x4_int & 0xf); - unsigned int mask_16x16_r; - unsigned int mask_8x8_r; - unsigned int mask_4x4_r; - - if (mi_row + r == 0) { - mask_16x16_r = 0; - mask_8x8_r = 0; - mask_4x4_r = 0; - } else { - mask_16x16_r = mask_16x16 & 0xf; - mask_8x8_r = mask_8x8 & 0xf; - mask_4x4_r = mask_4x4 & 0xf; - } - -#if CONFIG_VP9_HIGHBITDEPTH - if (cm->use_highbitdepth) { - highbd_filter_selectively_horiz(CONVERT_TO_SHORTPTR(dst->buf), - dst->stride, mask_16x16_r, mask_8x8_r, - mask_4x4_r, mask_4x4_int_r, - cm->lf_info.lfthr, &lfl_uv[r << 1], - (int)cm->bit_depth); - } else { -#endif // CONFIG_VP9_HIGHBITDEPTH - filter_selectively_horiz(dst->buf, dst->stride, mask_16x16_r, mask_8x8_r, - mask_4x4_r, mask_4x4_int_r, cm->lf_info.lfthr, - &lfl_uv[r << 1]); -#if CONFIG_VP9_HIGHBITDEPTH - } -#endif // CONFIG_VP9_HIGHBITDEPTH - - dst->buf += 8 * dst->stride; - mask_16x16 >>= 4; - mask_8x8 >>= 4; - mask_4x4 >>= 4; - mask_4x4_int >>= 4; - } -} - -static void loop_filter_rows(YV12_BUFFER_CONFIG *frame_buffer, VP9_COMMON *cm, - struct macroblockd_plane planes[MAX_MB_PLANE], - int start, int stop, int y_only) { - const int num_planes = y_only ? 1 : MAX_MB_PLANE; - enum lf_path path; - int mi_row, mi_col; - - if (y_only) - path = LF_PATH_444; - else if (planes[1].subsampling_y == 1 && planes[1].subsampling_x == 1) - path = LF_PATH_420; - else if (planes[1].subsampling_y == 0 && planes[1].subsampling_x == 0) - path = LF_PATH_444; - else - path = LF_PATH_SLOW; - - for (mi_row = start; mi_row < stop; mi_row += MI_BLOCK_SIZE) { - MODE_INFO **mi = cm->mi_grid_visible + mi_row * cm->mi_stride; - LOOP_FILTER_MASK *lfm = get_lfm(&cm->lf, mi_row, 0); - - for (mi_col = 0; mi_col < cm->mi_cols; mi_col += MI_BLOCK_SIZE, ++lfm) { - int plane; - - vp9_setup_dst_planes(planes, frame_buffer, mi_row, mi_col); - - // TODO(jimbankoski): For 444 only need to do y mask. - vp9_adjust_mask(cm, mi_row, mi_col, lfm); - - vp9_filter_block_plane_ss00(cm, &planes[0], mi_row, lfm); - for (plane = 1; plane < num_planes; ++plane) { - switch (path) { - case LF_PATH_420: - vp9_filter_block_plane_ss11(cm, &planes[plane], mi_row, lfm); - break; - case LF_PATH_444: - vp9_filter_block_plane_ss00(cm, &planes[plane], mi_row, lfm); - break; - case LF_PATH_SLOW: - vp9_filter_block_plane_non420(cm, &planes[plane], mi + mi_col, - mi_row, mi_col); - break; - } - } - } - } -} - -void vp9_loop_filter_frame(YV12_BUFFER_CONFIG *frame, - VP9_COMMON *cm, MACROBLOCKD *xd, - int frame_filter_level, - int y_only, int partial_frame) { - int start_mi_row, end_mi_row, mi_rows_to_filter; - if (!frame_filter_level) return; - start_mi_row = 0; - mi_rows_to_filter = cm->mi_rows; - if (partial_frame && cm->mi_rows > 8) { - start_mi_row = cm->mi_rows >> 1; - start_mi_row &= 0xfffffff8; - mi_rows_to_filter = VPXMAX(cm->mi_rows / 8, 8); - } - end_mi_row = start_mi_row + mi_rows_to_filter; - loop_filter_rows(frame, cm, xd->plane, start_mi_row, end_mi_row, y_only); -} - -// Used by the encoder to build the loopfilter masks. -// TODO(slavarnway): Do the encoder the same way the decoder does it and -// build the masks in line as part of the encode process. -void vp9_build_mask_frame(VP9_COMMON *cm, int frame_filter_level, - int partial_frame) { - int start_mi_row, end_mi_row, mi_rows_to_filter; - int mi_col, mi_row; - if (!frame_filter_level) return; - start_mi_row = 0; - mi_rows_to_filter = cm->mi_rows; - if (partial_frame && cm->mi_rows > 8) { - start_mi_row = cm->mi_rows >> 1; - start_mi_row &= 0xfffffff8; - mi_rows_to_filter = VPXMAX(cm->mi_rows / 8, 8); - } - end_mi_row = start_mi_row + mi_rows_to_filter; - - vp9_loop_filter_frame_init(cm, frame_filter_level); - - for (mi_row = start_mi_row; mi_row < end_mi_row; mi_row += MI_BLOCK_SIZE) { - MODE_INFO **mi = cm->mi_grid_visible + mi_row * cm->mi_stride; - for (mi_col = 0; mi_col < cm->mi_cols; mi_col += MI_BLOCK_SIZE) { - // vp9_setup_mask() zeros lfm - vp9_setup_mask(cm, mi_row, mi_col, mi + mi_col, cm->mi_stride, - get_lfm(&cm->lf, mi_row, mi_col)); - } - } -} - -// 8x8 blocks in a superblock. A "1" represents the first block in a 16x16 -// or greater area. -static const uint8_t first_block_in_16x16[8][8] = { - {1, 0, 1, 0, 1, 0, 1, 0}, - {0, 0, 0, 0, 0, 0, 0, 0}, - {1, 0, 1, 0, 1, 0, 1, 0}, - {0, 0, 0, 0, 0, 0, 0, 0}, - {1, 0, 1, 0, 1, 0, 1, 0}, - {0, 0, 0, 0, 0, 0, 0, 0}, - {1, 0, 1, 0, 1, 0, 1, 0}, - {0, 0, 0, 0, 0, 0, 0, 0} -}; - -// This function sets up the bit masks for a block represented -// by mi_row, mi_col in a 64x64 region. -// TODO(SJL): This function only works for yv12. -void vp9_build_mask(VP9_COMMON *cm, const MODE_INFO *mi, int mi_row, - int mi_col, int bw, int bh) { - const BLOCK_SIZE block_size = mi->sb_type; - const TX_SIZE tx_size_y = mi->tx_size; - const loop_filter_info_n *const lfi_n = &cm->lf_info; - const int filter_level = get_filter_level(lfi_n, mi); - const TX_SIZE tx_size_uv = get_uv_tx_size_impl(tx_size_y, block_size, 1, 1); - LOOP_FILTER_MASK *const lfm = get_lfm(&cm->lf, mi_row, mi_col); - uint64_t *const left_y = &lfm->left_y[tx_size_y]; - uint64_t *const above_y = &lfm->above_y[tx_size_y]; - uint64_t *const int_4x4_y = &lfm->int_4x4_y; - uint16_t *const left_uv = &lfm->left_uv[tx_size_uv]; - uint16_t *const above_uv = &lfm->above_uv[tx_size_uv]; - uint16_t *const int_4x4_uv = &lfm->int_4x4_uv; - const int row_in_sb = (mi_row & 7); - const int col_in_sb = (mi_col & 7); - const int shift_y = col_in_sb + (row_in_sb << 3); - const int shift_uv = (col_in_sb >> 1) + ((row_in_sb >> 1) << 2); - const int build_uv = first_block_in_16x16[row_in_sb][col_in_sb]; - - if (!filter_level) { - return; - } else { - int index = shift_y; - int i; - for (i = 0; i < bh; i++) { - memset(&lfm->lfl_y[index], filter_level, bw); - index += 8; - } - } - - // These set 1 in the current block size for the block size edges. - // For instance if the block size is 32x16, we'll set: - // above = 1111 - // 0000 - // and - // left = 1000 - // = 1000 - // NOTE : In this example the low bit is left most ( 1000 ) is stored as - // 1, not 8... - // - // U and V set things on a 16 bit scale. - // - *above_y |= above_prediction_mask[block_size] << shift_y; - *left_y |= left_prediction_mask[block_size] << shift_y; - - if (build_uv) { - *above_uv |= above_prediction_mask_uv[block_size] << shift_uv; - *left_uv |= left_prediction_mask_uv[block_size] << shift_uv; - } - - // If the block has no coefficients and is not intra we skip applying - // the loop filter on block edges. - if (mi->skip && is_inter_block(mi)) - return; - - // Add a mask for the transform size. The transform size mask is set to - // be correct for a 64x64 prediction block size. Mask to match the size of - // the block we are working on and then shift it into place. - *above_y |= (size_mask[block_size] & - above_64x64_txform_mask[tx_size_y]) << shift_y; - *left_y |= (size_mask[block_size] & - left_64x64_txform_mask[tx_size_y]) << shift_y; - - if (build_uv) { - *above_uv |= (size_mask_uv[block_size] & - above_64x64_txform_mask_uv[tx_size_uv]) << shift_uv; - - *left_uv |= (size_mask_uv[block_size] & - left_64x64_txform_mask_uv[tx_size_uv]) << shift_uv; - } - - // Try to determine what to do with the internal 4x4 block boundaries. These - // differ from the 4x4 boundaries on the outside edge of an 8x8 in that the - // internal ones can be skipped and don't depend on the prediction block size. - if (tx_size_y == TX_4X4) - *int_4x4_y |= size_mask[block_size] << shift_y; - - if (build_uv && tx_size_uv == TX_4X4) - *int_4x4_uv |= (size_mask_uv[block_size] & 0xffff) << shift_uv; -} - -void vp9_loop_filter_data_reset( - LFWorkerData *lf_data, YV12_BUFFER_CONFIG *frame_buffer, - struct VP9Common *cm, const struct macroblockd_plane planes[MAX_MB_PLANE]) { - lf_data->frame_buffer = frame_buffer; - lf_data->cm = cm; - lf_data->start = 0; - lf_data->stop = 0; - lf_data->y_only = 0; - memcpy(lf_data->planes, planes, sizeof(lf_data->planes)); -} - -void vp9_reset_lfm(VP9_COMMON *const cm) { - if (cm->lf.filter_level) { - memset(cm->lf.lfm, 0, - ((cm->mi_rows + (MI_BLOCK_SIZE - 1)) >> 3) * cm->lf.lfm_stride * - sizeof(*cm->lf.lfm)); - } -} - -int vp9_loop_filter_worker(LFWorkerData *const lf_data, void *unused) { - (void)unused; - loop_filter_rows(lf_data->frame_buffer, lf_data->cm, lf_data->planes, - lf_data->start, lf_data->stop, lf_data->y_only); - return 1; -} |