diff options
Diffstat (limited to 'libavcodec/vp9.c')
| -rw-r--r-- | libavcodec/vp9.c | 3790 |
1 files changed, 3299 insertions, 491 deletions
diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c index 50b84ae97e..2bb2432265 100644 --- a/libavcodec/vp9.c +++ b/libavcodec/vp9.c @@ -4,99 +4,398 @@ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com> * Copyright (C) 2013 Clément Bœsch <u pkh me> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#include "libavutil/avassert.h" - #include "avcodec.h" #include "get_bits.h" #include "internal.h" +#include "thread.h" #include "videodsp.h" #include "vp56.h" #include "vp9.h" #include "vp9data.h" +#include "vp9dsp.h" +#include "libavutil/avassert.h" #define VP9_SYNCCODE 0x498342 -#define MAX_PROB 255 -static void vp9_decode_flush(AVCodecContext *avctx) +enum CompPredMode { + PRED_SINGLEREF, + PRED_COMPREF, + PRED_SWITCHABLE, +}; + +enum BlockLevel { + BL_64X64, + BL_32X32, + BL_16X16, + BL_8X8, +}; + +enum BlockSize { + BS_64x64, + BS_64x32, + BS_32x64, + BS_32x32, + BS_32x16, + BS_16x32, + BS_16x16, + BS_16x8, + BS_8x16, + BS_8x8, + BS_8x4, + BS_4x8, + BS_4x4, + N_BS_SIZES, +}; + +struct VP9mvrefPair { + VP56mv mv[2]; + int8_t ref[2]; +}; + +typedef struct VP9Frame { + ThreadFrame tf; + AVBufferRef *extradata; + uint8_t *segmentation_map; + struct VP9mvrefPair *mv; +} VP9Frame; + +struct VP9Filter { + uint8_t level[8 * 8]; + uint8_t /* bit=col */ mask[2 /* 0=y, 1=uv */][2 /* 0=col, 1=row */] + [8 /* rows */][4 /* 0=16, 1=8, 2=4, 3=inner4 */]; +}; + +typedef struct VP9Block { + uint8_t seg_id, intra, comp, ref[2], mode[4], uvmode, skip; + enum FilterMode filter; + VP56mv mv[4 /* b_idx */][2 /* ref */]; + enum BlockSize bs; + enum TxfmMode tx, uvtx; + enum BlockLevel bl; + enum BlockPartition bp; +} VP9Block; + +typedef struct VP9Context { + VP9DSPContext dsp; + VideoDSPContext vdsp; + GetBitContext gb; + VP56RangeCoder c; + VP56RangeCoder *c_b; + unsigned c_b_size; + VP9Block *b_base, *b; + int pass, uses_2pass, last_uses_2pass; + int row, row7, col, col7; + uint8_t *dst[3]; + ptrdiff_t y_stride, uv_stride; + + // bitstream header + uint8_t profile; + uint8_t keyframe, last_keyframe; + uint8_t invisible; + uint8_t use_last_frame_mvs; + uint8_t errorres; + uint8_t colorspace; + uint8_t fullrange; + uint8_t intraonly; + uint8_t resetctx; + uint8_t refreshrefmask; + uint8_t highprecisionmvs; + enum FilterMode filtermode; + uint8_t allowcompinter; + uint8_t fixcompref; + uint8_t refreshctx; + uint8_t parallelmode; + uint8_t framectxid; + uint8_t refidx[3]; + uint8_t signbias[3]; + uint8_t varcompref[2]; + ThreadFrame refs[8], next_refs[8]; +#define CUR_FRAME 0 +#define LAST_FRAME 1 + VP9Frame frames[2]; + + struct { + uint8_t level; + int8_t sharpness; + uint8_t lim_lut[64]; + uint8_t mblim_lut[64]; + } filter; + struct { + uint8_t enabled; + int8_t mode[2]; + int8_t ref[4]; + } lf_delta; + uint8_t yac_qi; + int8_t ydc_qdelta, uvdc_qdelta, uvac_qdelta; + uint8_t lossless; +#define MAX_SEGMENT 8 + struct { + uint8_t enabled; + uint8_t temporal; + uint8_t absolute_vals; + uint8_t update_map; + struct { + uint8_t q_enabled; + uint8_t lf_enabled; + uint8_t ref_enabled; + uint8_t skip_enabled; + uint8_t ref_val; + int16_t q_val; + int8_t lf_val; + int16_t qmul[2][2]; + uint8_t lflvl[4][2]; + } feat[MAX_SEGMENT]; + } segmentation; + struct { + unsigned log2_tile_cols, log2_tile_rows; + unsigned tile_cols, tile_rows; + unsigned tile_row_start, tile_row_end, tile_col_start, tile_col_end; + } tiling; + unsigned sb_cols, sb_rows, rows, cols; + struct { + prob_context p; + uint8_t coef[4][2][2][6][6][3]; + } prob_ctx[4]; + struct { + prob_context p; + uint8_t coef[4][2][2][6][6][11]; + uint8_t seg[7]; + uint8_t segpred[3]; + } prob; + struct { + unsigned y_mode[4][10]; + unsigned uv_mode[10][10]; + unsigned filter[4][3]; + unsigned mv_mode[7][4]; + unsigned intra[4][2]; + unsigned comp[5][2]; + unsigned single_ref[5][2][2]; + unsigned comp_ref[5][2]; + unsigned tx32p[2][4]; + unsigned tx16p[2][3]; + unsigned tx8p[2][2]; + unsigned skip[3][2]; + unsigned mv_joint[4]; + struct { + unsigned sign[2]; + unsigned classes[11]; + unsigned class0[2]; + unsigned bits[10][2]; + unsigned class0_fp[2][4]; + unsigned fp[4]; + unsigned class0_hp[2]; + unsigned hp[2]; + } mv_comp[2]; + unsigned partition[4][4][4]; + unsigned coef[4][2][2][6][6][3]; + unsigned eob[4][2][2][6][6][2]; + } counts; + enum TxfmMode txfmmode; + enum CompPredMode comppredmode; + + // contextual (left/above) cache + DECLARE_ALIGNED(16, uint8_t, left_y_nnz_ctx)[16]; + DECLARE_ALIGNED(16, uint8_t, left_mode_ctx)[16]; + DECLARE_ALIGNED(16, VP56mv, left_mv_ctx)[16][2]; + DECLARE_ALIGNED(8, uint8_t, left_uv_nnz_ctx)[2][8]; + DECLARE_ALIGNED(8, uint8_t, left_partition_ctx)[8]; + DECLARE_ALIGNED(8, uint8_t, left_skip_ctx)[8]; + DECLARE_ALIGNED(8, uint8_t, left_txfm_ctx)[8]; + DECLARE_ALIGNED(8, uint8_t, left_segpred_ctx)[8]; + DECLARE_ALIGNED(8, uint8_t, left_intra_ctx)[8]; + DECLARE_ALIGNED(8, uint8_t, left_comp_ctx)[8]; + DECLARE_ALIGNED(8, uint8_t, left_ref_ctx)[8]; + DECLARE_ALIGNED(8, uint8_t, left_filter_ctx)[8]; + uint8_t *above_partition_ctx; + uint8_t *above_mode_ctx; + // FIXME maybe merge some of the below in a flags field? + uint8_t *above_y_nnz_ctx; + uint8_t *above_uv_nnz_ctx[2]; + uint8_t *above_skip_ctx; // 1bit + uint8_t *above_txfm_ctx; // 2bit + uint8_t *above_segpred_ctx; // 1bit + uint8_t *above_intra_ctx; // 1bit + uint8_t *above_comp_ctx; // 1bit + uint8_t *above_ref_ctx; // 2bit + uint8_t *above_filter_ctx; + VP56mv (*above_mv_ctx)[2]; + + // whole-frame cache + uint8_t *intra_pred_data[3]; + struct VP9Filter *lflvl; + DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[71*80]; + + // block reconstruction intermediates + int block_alloc_using_2pass; + int16_t *block_base, *block, *uvblock_base[2], *uvblock[2]; + uint8_t *eob_base, *uveob_base[2], *eob, *uveob[2]; + struct { int x, y; } min_mv, max_mv; + DECLARE_ALIGNED(32, uint8_t, tmp_y)[64*64]; + DECLARE_ALIGNED(32, uint8_t, tmp_uv)[2][32*32]; +} VP9Context; + +static const uint8_t bwh_tab[2][N_BS_SIZES][2] = { + { + { 16, 16 }, { 16, 8 }, { 8, 16 }, { 8, 8 }, { 8, 4 }, { 4, 8 }, + { 4, 4 }, { 4, 2 }, { 2, 4 }, { 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 }, + }, { + { 8, 8 }, { 8, 4 }, { 4, 8 }, { 4, 4 }, { 4, 2 }, { 2, 4 }, + { 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 }, { 1, 1 }, { 1, 1 }, { 1, 1 }, + } +}; + +static int vp9_alloc_frame(AVCodecContext *ctx, VP9Frame *f) { - VP9Context *s = avctx->priv_data; - int i; + VP9Context *s = ctx->priv_data; + int ret, sz; + + if ((ret = ff_thread_get_buffer(ctx, &f->tf, AV_GET_BUFFER_FLAG_REF)) < 0) + return ret; + sz = 64 * s->sb_cols * s->sb_rows; + if (!(f->extradata = av_buffer_allocz(sz * (1 + sizeof(struct VP9mvrefPair))))) { + ff_thread_release_buffer(ctx, &f->tf); + return AVERROR(ENOMEM); + } - for (i = 0; i < FF_ARRAY_ELEMS(s->refs); i++) - av_frame_unref(s->refs[i]); + f->segmentation_map = f->extradata->data; + f->mv = (struct VP9mvrefPair *) (f->extradata->data + sz); + + // retain segmentation map if it doesn't update + if (s->segmentation.enabled && !s->segmentation.update_map && + !s->intraonly && !s->keyframe && !s->errorres) { + memcpy(f->segmentation_map, s->frames[LAST_FRAME].segmentation_map, sz); + } + + return 0; } -static int update_size(AVCodecContext *avctx, int w, int h) +static void vp9_unref_frame(AVCodecContext *ctx, VP9Frame *f) { - VP9Context *s = avctx->priv_data; + ff_thread_release_buffer(ctx, &f->tf); + av_buffer_unref(&f->extradata); +} + +static int vp9_ref_frame(AVCodecContext *ctx, VP9Frame *dst, VP9Frame *src) +{ + int res; + + if ((res = ff_thread_ref_frame(&dst->tf, &src->tf)) < 0) { + return res; + } else if (!(dst->extradata = av_buffer_ref(src->extradata))) { + vp9_unref_frame(ctx, dst); + return AVERROR(ENOMEM); + } + + dst->segmentation_map = src->segmentation_map; + dst->mv = src->mv; + + return 0; +} + +static int update_size(AVCodecContext *ctx, int w, int h) +{ + VP9Context *s = ctx->priv_data; uint8_t *p; - if (s->above_partition_ctx && w == avctx->width && h == avctx->height) - return 0; + av_assert0(w > 0 && h > 0); - vp9_decode_flush(avctx); + if (s->intra_pred_data[0] && w == ctx->width && h == ctx->height) + return 0; - if (w <= 0 || h <= 0) - return AVERROR_INVALIDDATA; + ctx->width = w; + ctx->height = h; + s->sb_cols = (w + 63) >> 6; + s->sb_rows = (h + 63) >> 6; + s->cols = (w + 7) >> 3; + s->rows = (h + 7) >> 3; - avctx->width = w; - avctx->height = h; - s->sb_cols = (w + 63) >> 6; - s->sb_rows = (h + 63) >> 6; - s->cols = (w + 7) >> 3; - s->rows = (h + 7) >> 3; - -#define assign(var, type, n) var = (type)p; p += s->sb_cols * n * sizeof(*var) - av_free(s->above_partition_ctx); - p = av_malloc(s->sb_cols * - (240 + sizeof(*s->lflvl) + 16 * sizeof(*s->above_mv_ctx) + - 64 * s->sb_rows * (1 + sizeof(*s->mv[0]) * 2))); +#define assign(var, type, n) var = (type) p; p += s->sb_cols * (n) * sizeof(*var) + av_freep(&s->intra_pred_data[0]); + p = av_malloc(s->sb_cols * (240 + sizeof(*s->lflvl) + 16 * sizeof(*s->above_mv_ctx))); if (!p) return AVERROR(ENOMEM); - assign(s->above_partition_ctx, uint8_t *, 8); - assign(s->above_skip_ctx, uint8_t *, 8); - assign(s->above_txfm_ctx, uint8_t *, 8); - assign(s->above_mode_ctx, uint8_t *, 16); - assign(s->above_y_nnz_ctx, uint8_t *, 16); - assign(s->above_uv_nnz_ctx[0], uint8_t *, 8); - assign(s->above_uv_nnz_ctx[1], uint8_t *, 8); - assign(s->intra_pred_data[0], uint8_t *, 64); - assign(s->intra_pred_data[1], uint8_t *, 32); - assign(s->intra_pred_data[2], uint8_t *, 32); - assign(s->above_segpred_ctx, uint8_t *, 8); - assign(s->above_intra_ctx, uint8_t *, 8); - assign(s->above_comp_ctx, uint8_t *, 8); - assign(s->above_ref_ctx, uint8_t *, 8); - assign(s->above_filter_ctx, uint8_t *, 8); - assign(s->lflvl, VP9Filter *, 1); - assign(s->above_mv_ctx, VP56mv(*)[2], 16); - assign(s->segmentation_map, uint8_t *, 64 * s->sb_rows); - assign(s->mv[0], VP9MVRefPair *, 64 * s->sb_rows); - assign(s->mv[1], VP9MVRefPair *, 64 * s->sb_rows); + assign(s->intra_pred_data[0], uint8_t *, 64); + assign(s->intra_pred_data[1], uint8_t *, 32); + assign(s->intra_pred_data[2], uint8_t *, 32); + assign(s->above_y_nnz_ctx, uint8_t *, 16); + assign(s->above_mode_ctx, uint8_t *, 16); + assign(s->above_mv_ctx, VP56mv(*)[2], 16); + assign(s->above_partition_ctx, uint8_t *, 8); + assign(s->above_skip_ctx, uint8_t *, 8); + assign(s->above_txfm_ctx, uint8_t *, 8); + assign(s->above_uv_nnz_ctx[0], uint8_t *, 8); + assign(s->above_uv_nnz_ctx[1], uint8_t *, 8); + assign(s->above_segpred_ctx, uint8_t *, 8); + assign(s->above_intra_ctx, uint8_t *, 8); + assign(s->above_comp_ctx, uint8_t *, 8); + assign(s->above_ref_ctx, uint8_t *, 8); + assign(s->above_filter_ctx, uint8_t *, 8); + assign(s->lflvl, struct VP9Filter *, 1); #undef assign + // these will be re-allocated a little later + av_freep(&s->b_base); + av_freep(&s->block_base); + return 0; } -// The sign bit is at the end, not the start, of a bit sequence -static av_always_inline int get_bits_with_sign(GetBitContext *gb, int n) +static int update_block_buffers(AVCodecContext *ctx) +{ + VP9Context *s = ctx->priv_data; + + if (s->b_base && s->block_base && s->block_alloc_using_2pass == s->uses_2pass) + return 0; + + av_free(s->b_base); + av_free(s->block_base); + if (s->uses_2pass) { + int sbs = s->sb_cols * s->sb_rows; + + s->b_base = av_malloc_array(s->cols * s->rows, sizeof(VP9Block)); + s->block_base = av_mallocz((64 * 64 + 128) * sbs * 3); + if (!s->b_base || !s->block_base) + return AVERROR(ENOMEM); + s->uvblock_base[0] = s->block_base + sbs * 64 * 64; + s->uvblock_base[1] = s->uvblock_base[0] + sbs * 32 * 32; + s->eob_base = (uint8_t *) (s->uvblock_base[1] + sbs * 32 * 32); + s->uveob_base[0] = s->eob_base + 256 * sbs; + s->uveob_base[1] = s->uveob_base[0] + 64 * sbs; + } else { + s->b_base = av_malloc(sizeof(VP9Block)); + s->block_base = av_mallocz((64 * 64 + 128) * 3); + if (!s->b_base || !s->block_base) + return AVERROR(ENOMEM); + s->uvblock_base[0] = s->block_base + 64 * 64; + s->uvblock_base[1] = s->uvblock_base[0] + 32 * 32; + s->eob_base = (uint8_t *) (s->uvblock_base[1] + 32 * 32); + s->uveob_base[0] = s->eob_base + 256; + s->uveob_base[1] = s->uveob_base[0] + 64; + } + s->block_alloc_using_2pass = s->uses_2pass; + + return 0; +} + +// for some reason the sign bit is at the end, not the start, of a bit sequence +static av_always_inline int get_sbits_inv(GetBitContext *gb, int n) { int v = get_bits(gb, n); return get_bits1(gb) ? -v : v; @@ -104,17 +403,13 @@ static av_always_inline int get_bits_with_sign(GetBitContext *gb, int n) static av_always_inline int inv_recenter_nonneg(int v, int m) { - if (v > 2 * m) - return v; - if (v & 1) - return m - ((v + 1) >> 1); - return m + (v >> 1); + return v > 2 * m ? v : v & 1 ? m - ((v + 1) >> 1) : m + (v >> 1); } // differential forward probability updates static int update_prob(VP56RangeCoder *c, int p) { - static const int inv_map_table[MAX_PROB - 1] = { + static const int inv_map_table[254] = { 7, 20, 33, 46, 59, 72, 85, 98, 111, 124, 137, 150, 163, 176, 189, 202, 215, 228, 241, 254, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, @@ -139,13 +434,13 @@ static int update_prob(VP56RangeCoder *c, int p) /* This code is trying to do a differential probability update. For a * current probability A in the range [1, 255], the difference to a new - * probability of any value can be expressed differentially as 1-A, 255-A + * probability of any value can be expressed differentially as 1-A,255-A * where some part of this (absolute range) exists both in positive as * well as the negative part, whereas another part only exists in one * half. We're trying to code this shared part differentially, i.e. * times two where the value of the lowest bit specifies the sign, and * the single part is then coded on top of this. This absolute difference - * then again has a value of [0, 254], but a bigger value in this range + * then again has a value of [0,254], but a bigger value in this range * indicates that we're further away from the original value A, so we * can code this as a VLC code, since higher values are increasingly * unlikely. The first 20 values in inv_map_table[] allow 'cheap, rough' @@ -160,65 +455,59 @@ static int update_prob(VP56RangeCoder *c, int p) d = vp8_rac_get_uint(c, 5) + 32; } else { d = vp8_rac_get_uint(c, 7); - if (d >= 65) { + if (d >= 65) d = (d << 1) - 65 + vp8_rac_get(c); - d = av_clip(d, 0, MAX_PROB - 65 - 1); - } d += 64; } - return p <= 128 - ? 1 + inv_recenter_nonneg(inv_map_table[d], p - 1) - : 255 - inv_recenter_nonneg(inv_map_table[d], 255 - p); + return p <= 128 ? 1 + inv_recenter_nonneg(inv_map_table[d], p - 1) : + 255 - inv_recenter_nonneg(inv_map_table[d], 255 - p); } -static int decode_frame_header(AVCodecContext *avctx, +static int decode_frame_header(AVCodecContext *ctx, const uint8_t *data, int size, int *ref) { - VP9Context *s = avctx->priv_data; - int c, i, j, k, l, m, n, w, h, max, size2, ret, sharp; + VP9Context *s = ctx->priv_data; + int c, i, j, k, l, m, n, w, h, max, size2, res, sharp; int last_invisible; const uint8_t *data2; /* general header */ - if ((ret = init_get_bits8(&s->gb, data, size)) < 0) { - av_log(avctx, AV_LOG_ERROR, "Failed to initialize bitstream reader\n"); - return ret; + if ((res = init_get_bits8(&s->gb, data, size)) < 0) { + av_log(ctx, AV_LOG_ERROR, "Failed to initialize bitstream reader\n"); + return res; } if (get_bits(&s->gb, 2) != 0x2) { // frame marker - av_log(avctx, AV_LOG_ERROR, "Invalid frame marker\n"); + av_log(ctx, AV_LOG_ERROR, "Invalid frame marker\n"); return AVERROR_INVALIDDATA; } s->profile = get_bits1(&s->gb); if (get_bits1(&s->gb)) { // reserved bit - av_log(avctx, AV_LOG_ERROR, "Reserved bit should be zero\n"); + av_log(ctx, AV_LOG_ERROR, "Reserved bit should be zero\n"); return AVERROR_INVALIDDATA; } if (get_bits1(&s->gb)) { *ref = get_bits(&s->gb, 3); return 0; } - - s->last_keyframe = s->keyframe; - s->keyframe = !get_bits1(&s->gb); - - last_invisible = s->invisible; - s->invisible = !get_bits1(&s->gb); - s->errorres = get_bits1(&s->gb); - // FIXME disable this upon resolution change + s->last_uses_2pass = s->uses_2pass; + s->last_keyframe = s->keyframe; + s->keyframe = !get_bits1(&s->gb); + last_invisible = s->invisible; + s->invisible = !get_bits1(&s->gb); + s->errorres = get_bits1(&s->gb); s->use_last_frame_mvs = !s->errorres && !last_invisible; - if (s->keyframe) { if (get_bits_long(&s->gb, 24) != VP9_SYNCCODE) { // synccode - av_log(avctx, AV_LOG_ERROR, "Invalid sync code\n"); + av_log(ctx, AV_LOG_ERROR, "Invalid sync code\n"); return AVERROR_INVALIDDATA; } s->colorspace = get_bits(&s->gb, 3); if (s->colorspace == 7) { // RGB = profile 1 - av_log(avctx, AV_LOG_ERROR, "RGB not supported in profile 0\n"); + av_log(ctx, AV_LOG_ERROR, "RGB not supported in profile 0\n"); return AVERROR_INVALIDDATA; } - s->fullrange = get_bits1(&s->gb); + s->fullrange = get_bits1(&s->gb); // for profile 1, here follows the subsampling bits s->refreshrefmask = 0xff; w = get_bits(&s->gb, 16) + 1; @@ -226,11 +515,11 @@ static int decode_frame_header(AVCodecContext *avctx, if (get_bits1(&s->gb)) // display size skip_bits(&s->gb, 32); } else { - s->intraonly = s->invisible ? get_bits1(&s->gb) : 0; - s->resetctx = s->errorres ? 0 : get_bits(&s->gb, 2); + s->intraonly = s->invisible ? get_bits1(&s->gb) : 0; + s->resetctx = s->errorres ? 0 : get_bits(&s->gb, 2); if (s->intraonly) { if (get_bits_long(&s->gb, 24) != VP9_SYNCCODE) { // synccode - av_log(avctx, AV_LOG_ERROR, "Invalid sync code\n"); + av_log(ctx, AV_LOG_ERROR, "Invalid sync code\n"); return AVERROR_INVALIDDATA; } s->refreshrefmask = get_bits(&s->gb, 8); @@ -246,33 +535,37 @@ static int decode_frame_header(AVCodecContext *avctx, s->signbias[1] = get_bits1(&s->gb); s->refidx[2] = get_bits(&s->gb, 3); s->signbias[2] = get_bits1(&s->gb); - if (!s->refs[s->refidx[0]]->buf[0] || - !s->refs[s->refidx[1]]->buf[0] || - !s->refs[s->refidx[2]]->buf[0]) { - av_log(avctx, AV_LOG_ERROR, - "Not all references are available\n"); + if (!s->refs[s->refidx[0]].f->data[0] || + !s->refs[s->refidx[1]].f->data[0] || + !s->refs[s->refidx[2]].f->data[0]) { + av_log(ctx, AV_LOG_ERROR, "Not all references are available\n"); return AVERROR_INVALIDDATA; } if (get_bits1(&s->gb)) { - w = s->refs[s->refidx[0]]->width; - h = s->refs[s->refidx[0]]->height; + w = s->refs[s->refidx[0]].f->width; + h = s->refs[s->refidx[0]].f->height; } else if (get_bits1(&s->gb)) { - w = s->refs[s->refidx[1]]->width; - h = s->refs[s->refidx[1]]->height; + w = s->refs[s->refidx[1]].f->width; + h = s->refs[s->refidx[1]].f->height; } else if (get_bits1(&s->gb)) { - w = s->refs[s->refidx[2]]->width; - h = s->refs[s->refidx[2]]->height; + w = s->refs[s->refidx[2]].f->width; + h = s->refs[s->refidx[2]].f->height; } else { w = get_bits(&s->gb, 16) + 1; h = get_bits(&s->gb, 16) + 1; } + // Note that in this code, "CUR_FRAME" is actually before we + // have formally allocated a frame, and thus actually represents + // the _last_ frame + s->use_last_frame_mvs &= s->frames[CUR_FRAME].tf.f->width == w && + s->frames[CUR_FRAME].tf.f->height == h; if (get_bits1(&s->gb)) // display size skip_bits(&s->gb, 32); s->highprecisionmvs = get_bits1(&s->gb); - s->filtermode = get_bits1(&s->gb) ? FILTER_SWITCHABLE : - get_bits(&s->gb, 2); - s->allowcompinter = s->signbias[0] != s->signbias[1] || - s->signbias[0] != s->signbias[2]; + s->filtermode = get_bits1(&s->gb) ? FILTER_SWITCHABLE : + get_bits(&s->gb, 2); + s->allowcompinter = s->signbias[0] != s->signbias[1] || + s->signbias[0] != s->signbias[2]; if (s->allowcompinter) { if (s->signbias[0] == s->signbias[1]) { s->fixcompref = 2; @@ -290,16 +583,15 @@ static int decode_frame_header(AVCodecContext *avctx, } } } - s->refreshctx = s->errorres ? 0 : get_bits1(&s->gb); s->parallelmode = s->errorres ? 1 : get_bits1(&s->gb); s->framectxid = c = get_bits(&s->gb, 2); /* loopfilter header data */ s->filter.level = get_bits(&s->gb, 6); - sharp = get_bits(&s->gb, 3); - /* If sharpness changed, reinit lim/mblim LUTs. if it didn't change, - * keep the old cache values since they are still valid. */ + sharp = get_bits(&s->gb, 3); + // if sharpness changed, reinit lim/mblim LUTs. if it didn't change, keep + // the old cache values since they are still valid if (s->filter.sharpness != sharp) memset(s->filter.lim_lut, 0, sizeof(s->filter.lim_lut)); s->filter.sharpness = sharp; @@ -307,10 +599,10 @@ static int decode_frame_header(AVCodecContext *avctx, if (get_bits1(&s->gb)) { for (i = 0; i < 4; i++) if (get_bits1(&s->gb)) - s->lf_delta.ref[i] = get_bits_with_sign(&s->gb, 6); + s->lf_delta.ref[i] = get_sbits_inv(&s->gb, 6); for (i = 0; i < 2; i++) if (get_bits1(&s->gb)) - s->lf_delta.mode[i] = get_bits_with_sign(&s->gb, 6); + s->lf_delta.mode[i] = get_sbits_inv(&s->gb, 6); } } else { memset(&s->lf_delta, 0, sizeof(s->lf_delta)); @@ -318,9 +610,9 @@ static int decode_frame_header(AVCodecContext *avctx, /* quantization header data */ s->yac_qi = get_bits(&s->gb, 8); - s->ydc_qdelta = get_bits1(&s->gb) ? get_bits_with_sign(&s->gb, 4) : 0; - s->uvdc_qdelta = get_bits1(&s->gb) ? get_bits_with_sign(&s->gb, 4) : 0; - s->uvac_qdelta = get_bits1(&s->gb) ? get_bits_with_sign(&s->gb, 4) : 0; + s->ydc_qdelta = get_bits1(&s->gb) ? get_sbits_inv(&s->gb, 4) : 0; + s->uvdc_qdelta = get_bits1(&s->gb) ? get_sbits_inv(&s->gb, 4) : 0; + s->uvac_qdelta = get_bits1(&s->gb) ? get_sbits_inv(&s->gb, 4) : 0; s->lossless = s->yac_qi == 0 && s->ydc_qdelta == 0 && s->uvdc_qdelta == 0 && s->uvac_qdelta == 0; @@ -330,19 +622,28 @@ static int decode_frame_header(AVCodecContext *avctx, for (i = 0; i < 7; i++) s->prob.seg[i] = get_bits1(&s->gb) ? get_bits(&s->gb, 8) : 255; - if ((s->segmentation.temporal = get_bits1(&s->gb))) + if ((s->segmentation.temporal = get_bits1(&s->gb))) { for (i = 0; i < 3; i++) s->prob.segpred[i] = get_bits1(&s->gb) ? get_bits(&s->gb, 8) : 255; + } + } + if ((!s->segmentation.update_map || s->segmentation.temporal) && + (w != s->frames[CUR_FRAME].tf.f->width || + h != s->frames[CUR_FRAME].tf.f->height)) { + av_log(ctx, AV_LOG_ERROR, + "Reference segmap (temp=%d,update=%d) enabled on size-change!\n", + s->segmentation.temporal, s->segmentation.update_map); + return AVERROR_INVALIDDATA; } if (get_bits1(&s->gb)) { s->segmentation.absolute_vals = get_bits1(&s->gb); for (i = 0; i < 8; i++) { if ((s->segmentation.feat[i].q_enabled = get_bits1(&s->gb))) - s->segmentation.feat[i].q_val = get_bits_with_sign(&s->gb, 8); + s->segmentation.feat[i].q_val = get_sbits_inv(&s->gb, 8); if ((s->segmentation.feat[i].lf_enabled = get_bits1(&s->gb))) - s->segmentation.feat[i].lf_val = get_bits_with_sign(&s->gb, 6); + s->segmentation.feat[i].lf_val = get_sbits_inv(&s->gb, 6); if ((s->segmentation.feat[i].ref_enabled = get_bits1(&s->gb))) s->segmentation.feat[i].ref_val = get_bits(&s->gb, 2); s->segmentation.feat[i].skip_enabled = get_bits1(&s->gb); @@ -365,17 +666,17 @@ static int decode_frame_header(AVCodecContext *avctx, else qyac = s->yac_qi + s->segmentation.feat[i].q_val; } else { - qyac = s->yac_qi; + qyac = s->yac_qi; } qydc = av_clip_uintp2(qyac + s->ydc_qdelta, 8); quvdc = av_clip_uintp2(qyac + s->uvdc_qdelta, 8); quvac = av_clip_uintp2(qyac + s->uvac_qdelta, 8); qyac = av_clip_uintp2(qyac, 8); - s->segmentation.feat[i].qmul[0][0] = ff_vp9_dc_qlookup[qydc]; - s->segmentation.feat[i].qmul[0][1] = ff_vp9_ac_qlookup[qyac]; - s->segmentation.feat[i].qmul[1][0] = ff_vp9_dc_qlookup[quvdc]; - s->segmentation.feat[i].qmul[1][1] = ff_vp9_ac_qlookup[quvac]; + s->segmentation.feat[i].qmul[0][0] = vp9_dc_qlookup[qydc]; + s->segmentation.feat[i].qmul[0][1] = vp9_ac_qlookup[qyac]; + s->segmentation.feat[i].qmul[1][0] = vp9_dc_qlookup[quvdc]; + s->segmentation.feat[i].qmul[1][1] = vp9_ac_qlookup[quvac]; sh = s->filter.level >= 32; if (s->segmentation.feat[i].lf_enabled) { @@ -384,7 +685,7 @@ static int decode_frame_header(AVCodecContext *avctx, else lflvl = s->filter.level + s->segmentation.feat[i].lf_val; } else { - lflvl = s->filter.level; + lflvl = s->filter.level; } s->segmentation.feat[i].lflvl[0][0] = s->segmentation.feat[i].lflvl[0][1] = @@ -400,10 +701,9 @@ static int decode_frame_header(AVCodecContext *avctx, } /* tiling info */ - if ((ret = update_size(avctx, w, h)) < 0) { - av_log(avctx, AV_LOG_ERROR, - "Failed to initialize decoder for %dx%d\n", w, h); - return ret; + if ((res = update_size(ctx, w, h)) < 0) { + av_log(ctx, AV_LOG_ERROR, "Failed to initialize decoder for %dx%d\n", w, h); + return res; } for (s->tiling.log2_tile_cols = 0; (s->sb_cols >> s->tiling.log2_tile_cols) > 64; @@ -417,56 +717,51 @@ static int decode_frame_header(AVCodecContext *avctx, break; } s->tiling.log2_tile_rows = decode012(&s->gb); - s->tiling.tile_rows = 1 << s->tiling.log2_tile_rows; + s->tiling.tile_rows = 1 << s->tiling.log2_tile_rows; if (s->tiling.tile_cols != (1 << s->tiling.log2_tile_cols)) { s->tiling.tile_cols = 1 << s->tiling.log2_tile_cols; - s->c_b = av_fast_realloc(s->c_b, &s->c_b_size, - sizeof(VP56RangeCoder) * - s->tiling.tile_cols); + s->c_b = av_fast_realloc(s->c_b, &s->c_b_size, + sizeof(VP56RangeCoder) * s->tiling.tile_cols); if (!s->c_b) { - av_log(avctx, AV_LOG_ERROR, - "Ran out of memory during range coder init\n"); + av_log(ctx, AV_LOG_ERROR, "Ran out of memory during range coder init\n"); return AVERROR(ENOMEM); } } if (s->keyframe || s->errorres || s->intraonly) { - s->prob_ctx[0].p = - s->prob_ctx[1].p = - s->prob_ctx[2].p = - s->prob_ctx[3].p = ff_vp9_default_probs; - memcpy(s->prob_ctx[0].coef, ff_vp9_default_coef_probs, - sizeof(ff_vp9_default_coef_probs)); - memcpy(s->prob_ctx[1].coef, ff_vp9_default_coef_probs, - sizeof(ff_vp9_default_coef_probs)); - memcpy(s->prob_ctx[2].coef, ff_vp9_default_coef_probs, - sizeof(ff_vp9_default_coef_probs)); - memcpy(s->prob_ctx[3].coef, ff_vp9_default_coef_probs, - sizeof(ff_vp9_default_coef_probs)); + s->prob_ctx[0].p = s->prob_ctx[1].p = s->prob_ctx[2].p = + s->prob_ctx[3].p = vp9_default_probs; + memcpy(s->prob_ctx[0].coef, vp9_default_coef_probs, + sizeof(vp9_default_coef_probs)); + memcpy(s->prob_ctx[1].coef, vp9_default_coef_probs, + sizeof(vp9_default_coef_probs)); + memcpy(s->prob_ctx[2].coef, vp9_default_coef_probs, + sizeof(vp9_default_coef_probs)); + memcpy(s->prob_ctx[3].coef, vp9_default_coef_probs, + sizeof(vp9_default_coef_probs)); } // next 16 bits is size of the rest of the header (arith-coded) size2 = get_bits(&s->gb, 16); data2 = align_get_bits(&s->gb); if (size2 > size - (data2 - data)) { - av_log(avctx, AV_LOG_ERROR, "Invalid compressed header size\n"); + av_log(ctx, AV_LOG_ERROR, "Invalid compressed header size\n"); return AVERROR_INVALIDDATA; } ff_vp56_init_range_decoder(&s->c, data2, size2); if (vp56_rac_get_prob_branchy(&s->c, 128)) { // marker bit - av_log(avctx, AV_LOG_ERROR, "Marker bit was set\n"); + av_log(ctx, AV_LOG_ERROR, "Marker bit was set\n"); return AVERROR_INVALIDDATA; } - if (s->keyframe || s->intraonly) - memset(s->counts.coef, 0, - sizeof(s->counts.coef) + sizeof(s->counts.eob)); - else + if (s->keyframe || s->intraonly) { + memset(s->counts.coef, 0, sizeof(s->counts.coef) + sizeof(s->counts.eob)); + } else { memset(&s->counts, 0, sizeof(s->counts)); - - /* FIXME is it faster to not copy here, but do it down in the fw updates - * as explicit copies if the fw update is missing (and skip the copy upon - * fw update)? */ + } + // FIXME is it faster to not copy here, but do it down in the fw updates + // as explicit copies if the fw update is missing (and skip the copy upon + // fw update)? s->prob.p = s->prob_ctx[c].p; // txfm updates @@ -507,10 +802,11 @@ static int decode_frame_header(AVCodecContext *avctx, if (m >= 3 && l == 0) // dc only has 3 pt break; for (n = 0; n < 3; n++) { - if (vp56_rac_get_prob_branchy(&s->c, 252)) + if (vp56_rac_get_prob_branchy(&s->c, 252)) { p[n] = update_prob(&s->c, r[n]); - else + } else { p[n] = r[n]; + } } p[3] = 0; } @@ -595,8 +891,7 @@ static int decode_frame_header(AVCodecContext *avctx, for (k = 0; k < 3; k++) if (vp56_rac_get_prob_branchy(&s->c, 252)) s->prob.p.partition[3 - i][j][k] = - update_prob(&s->c, - s->prob.p.partition[3 - i][j][k]); + update_prob(&s->c, s->prob.p.partition[3 - i][j][k]); // mv fields don't use the update_prob subexp model for some reason for (i = 0; i < 3; i++) @@ -605,8 +900,7 @@ static int decode_frame_header(AVCodecContext *avctx, for (i = 0; i < 2; i++) { if (vp56_rac_get_prob_branchy(&s->c, 252)) - s->prob.p.mv_comp[i].sign = - (vp8_rac_get_uint(&s->c, 7) << 1) | 1; + s->prob.p.mv_comp[i].sign = (vp8_rac_get_uint(&s->c, 7) << 1) | 1; for (j = 0; j < 10; j++) if (vp56_rac_get_prob_branchy(&s->c, 252)) @@ -614,8 +908,7 @@ static int decode_frame_header(AVCodecContext *avctx, (vp8_rac_get_uint(&s->c, 7) << 1) | 1; if (vp56_rac_get_prob_branchy(&s->c, 252)) - s->prob.p.mv_comp[i].class0 = - (vp8_rac_get_uint(&s->c, 7) << 1) | 1; + s->prob.p.mv_comp[i].class0 = (vp8_rac_get_uint(&s->c, 7) << 1) | 1; for (j = 0; j < 10; j++) if (vp56_rac_get_prob_branchy(&s->c, 252)) @@ -652,123 +945,2297 @@ static int decode_frame_header(AVCodecContext *avctx, return (data2 - data) + size2; } -static int decode_subblock(AVCodecContext *avctx, int row, int col, - VP9Filter *lflvl, - ptrdiff_t yoff, ptrdiff_t uvoff, enum BlockLevel bl) +static av_always_inline void clamp_mv(VP56mv *dst, const VP56mv *src, + VP9Context *s) +{ + dst->x = av_clip(src->x, s->min_mv.x, s->max_mv.x); + dst->y = av_clip(src->y, s->min_mv.y, s->max_mv.y); +} + +static void find_ref_mvs(VP9Context *s, + VP56mv *pmv, int ref, int z, int idx, int sb) +{ + static const int8_t mv_ref_blk_off[N_BS_SIZES][8][2] = { + [BS_64x64] = {{ 3, -1 }, { -1, 3 }, { 4, -1 }, { -1, 4 }, + { -1, -1 }, { 0, -1 }, { -1, 0 }, { 6, -1 }}, + [BS_64x32] = {{ 0, -1 }, { -1, 0 }, { 4, -1 }, { -1, 2 }, + { -1, -1 }, { 0, -3 }, { -3, 0 }, { 2, -1 }}, + [BS_32x64] = {{ -1, 0 }, { 0, -1 }, { -1, 4 }, { 2, -1 }, + { -1, -1 }, { -3, 0 }, { 0, -3 }, { -1, 2 }}, + [BS_32x32] = {{ 1, -1 }, { -1, 1 }, { 2, -1 }, { -1, 2 }, + { -1, -1 }, { 0, -3 }, { -3, 0 }, { -3, -3 }}, + [BS_32x16] = {{ 0, -1 }, { -1, 0 }, { 2, -1 }, { -1, -1 }, + { -1, 1 }, { 0, -3 }, { -3, 0 }, { -3, -3 }}, + [BS_16x32] = {{ -1, 0 }, { 0, -1 }, { -1, 2 }, { -1, -1 }, + { 1, -1 }, { -3, 0 }, { 0, -3 }, { -3, -3 }}, + [BS_16x16] = {{ 0, -1 }, { -1, 0 }, { 1, -1 }, { -1, 1 }, + { -1, -1 }, { 0, -3 }, { -3, 0 }, { -3, -3 }}, + [BS_16x8] = {{ 0, -1 }, { -1, 0 }, { 1, -1 }, { -1, -1 }, + { 0, -2 }, { -2, 0 }, { -2, -1 }, { -1, -2 }}, + [BS_8x16] = {{ -1, 0 }, { 0, -1 }, { -1, 1 }, { -1, -1 }, + { -2, 0 }, { 0, -2 }, { -1, -2 }, { -2, -1 }}, + [BS_8x8] = {{ 0, -1 }, { -1, 0 }, { -1, -1 }, { 0, -2 }, + { -2, 0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }}, + [BS_8x4] = {{ 0, -1 }, { -1, 0 }, { -1, -1 }, { 0, -2 }, + { -2, 0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }}, + [BS_4x8] = {{ 0, -1 }, { -1, 0 }, { -1, -1 }, { 0, -2 }, + { -2, 0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }}, + [BS_4x4] = {{ 0, -1 }, { -1, 0 }, { -1, -1 }, { 0, -2 }, + { -2, 0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }}, + }; + VP9Block *b = s->b; + int row = s->row, col = s->col, row7 = s->row7; + const int8_t (*p)[2] = mv_ref_blk_off[b->bs]; +#define INVALID_MV 0x80008000U + uint32_t mem = INVALID_MV; + int i; + +#define RETURN_DIRECT_MV(mv) \ + do { \ + uint32_t m = AV_RN32A(&mv); \ + if (!idx) { \ + AV_WN32A(pmv, m); \ + return; \ + } else if (mem == INVALID_MV) { \ + mem = m; \ + } else if (m != mem) { \ + AV_WN32A(pmv, m); \ + return; \ + } \ + } while (0) + + if (sb >= 0) { + if (sb == 2 || sb == 1) { + RETURN_DIRECT_MV(b->mv[0][z]); + } else if (sb == 3) { + RETURN_DIRECT_MV(b->mv[2][z]); + RETURN_DIRECT_MV(b->mv[1][z]); + RETURN_DIRECT_MV(b->mv[0][z]); + } + +#define RETURN_MV(mv) \ + do { \ + if (sb > 0) { \ + VP56mv tmp; \ + uint32_t m; \ + clamp_mv(&tmp, &mv, s); \ + m = AV_RN32A(&tmp); \ + if (!idx) { \ + AV_WN32A(pmv, m); \ + return; \ + } else if (mem == INVALID_MV) { \ + mem = m; \ + } else if (m != mem) { \ + AV_WN32A(pmv, m); \ + return; \ + } \ + } else { \ + uint32_t m = AV_RN32A(&mv); \ + if (!idx) { \ + clamp_mv(pmv, &mv, s); \ + return; \ + } else if (mem == INVALID_MV) { \ + mem = m; \ + } else if (m != mem) { \ + clamp_mv(pmv, &mv, s); \ + return; \ + } \ + } \ + } while (0) + + if (row > 0) { + struct VP9mvrefPair *mv = &s->frames[CUR_FRAME].mv[(row - 1) * s->sb_cols * 8 + col]; + if (mv->ref[0] == ref) { + RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][0]); + } else if (mv->ref[1] == ref) { + RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][1]); + } + } + if (col > s->tiling.tile_col_start) { + struct VP9mvrefPair *mv = &s->frames[CUR_FRAME].mv[row * s->sb_cols * 8 + col - 1]; + if (mv->ref[0] == ref) { + RETURN_MV(s->left_mv_ctx[2 * row7 + (sb >> 1)][0]); + } else if (mv->ref[1] == ref) { + RETURN_MV(s->left_mv_ctx[2 * row7 + (sb >> 1)][1]); + } + } + i = 2; + } else { + i = 0; + } + + // previously coded MVs in this neighbourhood, using same reference frame + for (; i < 8; i++) { + int c = p[i][0] + col, r = p[i][1] + row; + + if (c >= s->tiling.tile_col_start && c < s->cols && r >= 0 && r < s->rows) { + struct VP9mvrefPair *mv = &s->frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c]; + + if (mv->ref[0] == ref) { + RETURN_MV(mv->mv[0]); + } else if (mv->ref[1] == ref) { + RETURN_MV(mv->mv[1]); + } + } + } + + // MV at this position in previous frame, using same reference frame + if (s->use_last_frame_mvs) { + struct VP9mvrefPair *mv = &s->frames[LAST_FRAME].mv[row * s->sb_cols * 8 + col]; + + if (!s->last_uses_2pass) + ff_thread_await_progress(&s->frames[LAST_FRAME].tf, row >> 3, 0); + if (mv->ref[0] == ref) { + RETURN_MV(mv->mv[0]); + } else if (mv->ref[1] == ref) { + RETURN_MV(mv->mv[1]); + } + } + +#define RETURN_SCALE_MV(mv, scale) \ + do { \ + if (scale) { \ + VP56mv mv_temp = { -mv.x, -mv.y }; \ + RETURN_MV(mv_temp); \ + } else { \ + RETURN_MV(mv); \ + } \ + } while (0) + + // previously coded MVs in this neighbourhood, using different reference frame + for (i = 0; i < 8; i++) { + int c = p[i][0] + col, r = p[i][1] + row; + + if (c >= s->tiling.tile_col_start && c < s->cols && r >= 0 && r < s->rows) { + struct VP9mvrefPair *mv = &s->frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c]; + + if (mv->ref[0] != ref && mv->ref[0] >= 0) { + RETURN_SCALE_MV(mv->mv[0], s->signbias[mv->ref[0]] != s->signbias[ref]); + } + if (mv->ref[1] != ref && mv->ref[1] >= 0 && + // BUG - libvpx has this condition regardless of whether + // we used the first ref MV and pre-scaling + AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) { + RETURN_SCALE_MV(mv->mv[1], s->signbias[mv->ref[1]] != s->signbias[ref]); + } + } + } + + // MV at this position in previous frame, using different reference frame + if (s->use_last_frame_mvs) { + struct VP9mvrefPair *mv = &s->frames[LAST_FRAME].mv[row * s->sb_cols * 8 + col]; + + // no need to await_progress, because we already did that above + if (mv->ref[0] != ref && mv->ref[0] >= 0) { + RETURN_SCALE_MV(mv->mv[0], s->signbias[mv->ref[0]] != s->signbias[ref]); + } + if (mv->ref[1] != ref && mv->ref[1] >= 0 && + // BUG - libvpx has this condition regardless of whether + // we used the first ref MV and pre-scaling + AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) { + RETURN_SCALE_MV(mv->mv[1], s->signbias[mv->ref[1]] != s->signbias[ref]); + } + } + + AV_ZERO32(pmv); +#undef INVALID_MV +#undef RETURN_MV +#undef RETURN_SCALE_MV +} + +static av_always_inline int read_mv_component(VP9Context *s, int idx, int hp) { - VP9Context *s = avctx->priv_data; - int c = ((s->above_partition_ctx[col] >> (3 - bl)) & 1) | + int bit, sign = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].sign); + int n, c = vp8_rac_get_tree(&s->c, vp9_mv_class_tree, + s->prob.p.mv_comp[idx].classes); + + s->counts.mv_comp[idx].sign[sign]++; + s->counts.mv_comp[idx].classes[c]++; + if (c) { + int m; + + for (n = 0, m = 0; m < c; m++) { + bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].bits[m]); + n |= bit << m; + s->counts.mv_comp[idx].bits[m][bit]++; + } + n <<= 3; + bit = vp8_rac_get_tree(&s->c, vp9_mv_fp_tree, s->prob.p.mv_comp[idx].fp); + n |= bit << 1; + s->counts.mv_comp[idx].fp[bit]++; + if (hp) { + bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].hp); + s->counts.mv_comp[idx].hp[bit]++; + n |= bit; + } else { + n |= 1; + // bug in libvpx - we count for bw entropy purposes even if the + // bit wasn't coded + s->counts.mv_comp[idx].hp[1]++; + } + n += 8 << c; + } else { + n = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].class0); + s->counts.mv_comp[idx].class0[n]++; + bit = vp8_rac_get_tree(&s->c, vp9_mv_fp_tree, + s->prob.p.mv_comp[idx].class0_fp[n]); + s->counts.mv_comp[idx].class0_fp[n][bit]++; + n = (n << 3) | (bit << 1); + if (hp) { + bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].class0_hp); + s->counts.mv_comp[idx].class0_hp[bit]++; + n |= bit; + } else { + n |= 1; + // bug in libvpx - we count for bw entropy purposes even if the + // bit wasn't coded + s->counts.mv_comp[idx].class0_hp[1]++; + } + } + + return sign ? -(n + 1) : (n + 1); +} + +static void fill_mv(VP9Context *s, + VP56mv *mv, int mode, int sb) +{ + VP9Block *b = s->b; + + if (mode == ZEROMV) { + AV_ZERO64(mv); + } else { + int hp; + + // FIXME cache this value and reuse for other subblocks + find_ref_mvs(s, &mv[0], b->ref[0], 0, mode == NEARMV, + mode == NEWMV ? -1 : sb); + // FIXME maybe move this code into find_ref_mvs() + if ((mode == NEWMV || sb == -1) && + !(hp = s->highprecisionmvs && abs(mv[0].x) < 64 && abs(mv[0].y) < 64)) { + if (mv[0].y & 1) { + if (mv[0].y < 0) + mv[0].y++; + else + mv[0].y--; + } + if (mv[0].x & 1) { + if (mv[0].x < 0) + mv[0].x++; + else + mv[0].x--; + } + } + if (mode == NEWMV) { + enum MVJoint j = vp8_rac_get_tree(&s->c, vp9_mv_joint_tree, + s->prob.p.mv_joint); + + s->counts.mv_joint[j]++; + if (j >= MV_JOINT_V) + mv[0].y += read_mv_component(s, 0, hp); + if (j & 1) + mv[0].x += read_mv_component(s, 1, hp); + } + + if (b->comp) { + // FIXME cache this value and reuse for other subblocks + find_ref_mvs(s, &mv[1], b->ref[1], 1, mode == NEARMV, + mode == NEWMV ? -1 : sb); + if ((mode == NEWMV || sb == -1) && + !(hp = s->highprecisionmvs && abs(mv[1].x) < 64 && abs(mv[1].y) < 64)) { + if (mv[1].y & 1) { + if (mv[1].y < 0) + mv[1].y++; + else + mv[1].y--; + } + if (mv[1].x & 1) { + if (mv[1].x < 0) + mv[1].x++; + else + mv[1].x--; + } + } + if (mode == NEWMV) { + enum MVJoint j = vp8_rac_get_tree(&s->c, vp9_mv_joint_tree, + s->prob.p.mv_joint); + + s->counts.mv_joint[j]++; + if (j >= MV_JOINT_V) + mv[1].y += read_mv_component(s, 0, hp); + if (j & 1) + mv[1].x += read_mv_component(s, 1, hp); + } + } + } +} + +static av_always_inline void setctx_2d(uint8_t *ptr, int w, int h, + ptrdiff_t stride, int v) +{ + switch (w) { + case 1: + do { + *ptr = v; + ptr += stride; + } while (--h); + break; + case 2: { + int v16 = v * 0x0101; + do { + AV_WN16A(ptr, v16); + ptr += stride; + } while (--h); + break; + } + case 4: { + uint32_t v32 = v * 0x01010101; + do { + AV_WN32A(ptr, v32); + ptr += stride; + } while (--h); + break; + } + case 8: { +#if HAVE_FAST_64BIT + uint64_t v64 = v * 0x0101010101010101ULL; + do { + AV_WN64A(ptr, v64); + ptr += stride; + } while (--h); +#else + uint32_t v32 = v * 0x01010101; + do { + AV_WN32A(ptr, v32); + AV_WN32A(ptr + 4, v32); + ptr += stride; + } while (--h); +#endif + break; + } + } +} + +static void decode_mode(AVCodecContext *ctx) +{ + static const uint8_t left_ctx[N_BS_SIZES] = { + 0x0, 0x8, 0x0, 0x8, 0xc, 0x8, 0xc, 0xe, 0xc, 0xe, 0xf, 0xe, 0xf + }; + static const uint8_t above_ctx[N_BS_SIZES] = { + 0x0, 0x0, 0x8, 0x8, 0x8, 0xc, 0xc, 0xc, 0xe, 0xe, 0xe, 0xf, 0xf + }; + static const uint8_t max_tx_for_bl_bp[N_BS_SIZES] = { + TX_32X32, TX_32X32, TX_32X32, TX_32X32, TX_16X16, TX_16X16, + TX_16X16, TX_8X8, TX_8X8, TX_8X8, TX_4X4, TX_4X4, TX_4X4 + }; + VP9Context *s = ctx->priv_data; + VP9Block *b = s->b; + int row = s->row, col = s->col, row7 = s->row7; + enum TxfmMode max_tx = max_tx_for_bl_bp[b->bs]; + int w4 = FFMIN(s->cols - col, bwh_tab[1][b->bs][0]); + int h4 = FFMIN(s->rows - row, bwh_tab[1][b->bs][1]), y; + int have_a = row > 0, have_l = col > s->tiling.tile_col_start; + int vref, filter_id; + + if (!s->segmentation.enabled) { + b->seg_id = 0; + } else if (s->keyframe || s->intraonly) { + b->seg_id = vp8_rac_get_tree(&s->c, vp9_segmentation_tree, s->prob.seg); + } else if (!s->segmentation.update_map || + (s->segmentation.temporal && + vp56_rac_get_prob_branchy(&s->c, + s->prob.segpred[s->above_segpred_ctx[col] + + s->left_segpred_ctx[row7]]))) { + if (!s->errorres) { + int pred = 8, x; + uint8_t *refsegmap = s->frames[LAST_FRAME].segmentation_map; + + if (!s->last_uses_2pass) + ff_thread_await_progress(&s->frames[LAST_FRAME].tf, row >> 3, 0); + for (y = 0; y < h4; y++) + for (x = 0; x < w4; x++) + pred = FFMIN(pred, refsegmap[(y + row) * 8 * s->sb_cols + x + col]); + av_assert1(pred < 8); + b->seg_id = pred; + } else { + b->seg_id = 0; + } + + memset(&s->above_segpred_ctx[col], 1, w4); + memset(&s->left_segpred_ctx[row7], 1, h4); + } else { + b->seg_id = vp8_rac_get_tree(&s->c, vp9_segmentation_tree, + s->prob.seg); + + memset(&s->above_segpred_ctx[col], 0, w4); + memset(&s->left_segpred_ctx[row7], 0, h4); + } + if (s->segmentation.enabled && + (s->segmentation.update_map || s->keyframe || s->intraonly)) { + setctx_2d(&s->frames[CUR_FRAME].segmentation_map[row * 8 * s->sb_cols + col], + w4, h4, 8 * s->sb_cols, b->seg_id); + } + + b->skip = s->segmentation.enabled && + s->segmentation.feat[b->seg_id].skip_enabled; + if (!b->skip) { + int c = s->left_skip_ctx[row7] + s->above_skip_ctx[col]; + b->skip = vp56_rac_get_prob(&s->c, s->prob.p.skip[c]); + s->counts.skip[c][b->skip]++; + } + + if (s->keyframe || s->intraonly) { + b->intra = 1; + } else if (s->segmentation.feat[b->seg_id].ref_enabled) { + b->intra = !s->segmentation.feat[b->seg_id].ref_val; + } else { + int c, bit; + + if (have_a && have_l) { + c = s->above_intra_ctx[col] + s->left_intra_ctx[row7]; + c += (c == 2); + } else { + c = have_a ? 2 * s->above_intra_ctx[col] : + have_l ? 2 * s->left_intra_ctx[row7] : 0; + } + bit = vp56_rac_get_prob(&s->c, s->prob.p.intra[c]); + s->counts.intra[c][bit]++; + b->intra = !bit; + } + + if ((b->intra || !b->skip) && s->txfmmode == TX_SWITCHABLE) { + int c; + if (have_a) { + if (have_l) { + c = (s->above_skip_ctx[col] ? max_tx : + s->above_txfm_ctx[col]) + + (s->left_skip_ctx[row7] ? max_tx : + s->left_txfm_ctx[row7]) > max_tx; + } else { + c = s->above_skip_ctx[col] ? 1 : + (s->above_txfm_ctx[col] * 2 > max_tx); + } + } else if (have_l) { + c = s->left_skip_ctx[row7] ? 1 : + (s->left_txfm_ctx[row7] * 2 > max_tx); + } else { + c = 1; + } + switch (max_tx) { + case TX_32X32: + b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][0]); + if (b->tx) { + b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][1]); + if (b->tx == 2) + b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][2]); + } + s->counts.tx32p[c][b->tx]++; + break; + case TX_16X16: + b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx16p[c][0]); + if (b->tx) + b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx16p[c][1]); + s->counts.tx16p[c][b->tx]++; + break; + case TX_8X8: + b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx8p[c]); + s->counts.tx8p[c][b->tx]++; + break; + case TX_4X4: + b->tx = TX_4X4; + break; + } + } else { + b->tx = FFMIN(max_tx, s->txfmmode); + } + + if (s->keyframe || s->intraonly) { + uint8_t *a = &s->above_mode_ctx[col * 2]; + uint8_t *l = &s->left_mode_ctx[(row7) << 1]; + + b->comp = 0; + if (b->bs > BS_8x8) { + // FIXME the memory storage intermediates here aren't really + // necessary, they're just there to make the code slightly + // simpler for now + b->mode[0] = a[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + vp9_default_kf_ymode_probs[a[0]][l[0]]); + if (b->bs != BS_8x4) { + b->mode[1] = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + vp9_default_kf_ymode_probs[a[1]][b->mode[0]]); + l[0] = a[1] = b->mode[1]; + } else { + l[0] = a[1] = b->mode[1] = b->mode[0]; + } + if (b->bs != BS_4x8) { + b->mode[2] = a[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + vp9_default_kf_ymode_probs[a[0]][l[1]]); + if (b->bs != BS_8x4) { + b->mode[3] = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + vp9_default_kf_ymode_probs[a[1]][b->mode[2]]); + l[1] = a[1] = b->mode[3]; + } else { + l[1] = a[1] = b->mode[3] = b->mode[2]; + } + } else { + b->mode[2] = b->mode[0]; + l[1] = a[1] = b->mode[3] = b->mode[1]; + } + } else { + b->mode[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + vp9_default_kf_ymode_probs[*a][*l]); + b->mode[3] = b->mode[2] = b->mode[1] = b->mode[0]; + // FIXME this can probably be optimized + memset(a, b->mode[0], bwh_tab[0][b->bs][0]); + memset(l, b->mode[0], bwh_tab[0][b->bs][1]); + } + b->uvmode = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + vp9_default_kf_uvmode_probs[b->mode[3]]); + } else if (b->intra) { + b->comp = 0; + if (b->bs > BS_8x8) { + b->mode[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + s->prob.p.y_mode[0]); + s->counts.y_mode[0][b->mode[0]]++; + if (b->bs != BS_8x4) { + b->mode[1] = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + s->prob.p.y_mode[0]); + s->counts.y_mode[0][b->mode[1]]++; + } else { + b->mode[1] = b->mode[0]; + } + if (b->bs != BS_4x8) { + b->mode[2] = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + s->prob.p.y_mode[0]); + s->counts.y_mode[0][b->mode[2]]++; + if (b->bs != BS_8x4) { + b->mode[3] = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + s->prob.p.y_mode[0]); + s->counts.y_mode[0][b->mode[3]]++; + } else { + b->mode[3] = b->mode[2]; + } + } else { + b->mode[2] = b->mode[0]; + b->mode[3] = b->mode[1]; + } + } else { + static const uint8_t size_group[10] = { + 3, 3, 3, 3, 2, 2, 2, 1, 1, 1 + }; + int sz = size_group[b->bs]; + + b->mode[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + s->prob.p.y_mode[sz]); + b->mode[1] = b->mode[2] = b->mode[3] = b->mode[0]; + s->counts.y_mode[sz][b->mode[3]]++; + } + b->uvmode = vp8_rac_get_tree(&s->c, vp9_intramode_tree, + s->prob.p.uv_mode[b->mode[3]]); + s->counts.uv_mode[b->mode[3]][b->uvmode]++; + } else { + static const uint8_t inter_mode_ctx_lut[14][14] = { + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 }, + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 }, + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 }, + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 }, + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 }, + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 }, + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 }, + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 }, + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 }, + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 }, + { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 3 }, + { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 3 }, + { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 0, 3 }, + { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 4 }, + }; + + if (s->segmentation.feat[b->seg_id].ref_enabled) { + av_assert2(s->segmentation.feat[b->seg_id].ref_val != 0); + b->comp = 0; + b->ref[0] = s->segmentation.feat[b->seg_id].ref_val - 1; + } else { + // read comp_pred flag + if (s->comppredmode != PRED_SWITCHABLE) { + b->comp = s->comppredmode == PRED_COMPREF; + } else { + int c; + + // FIXME add intra as ref=0xff (or -1) to make these easier? + if (have_a) { + if (have_l) { + if (s->above_comp_ctx[col] && s->left_comp_ctx[row7]) { + c = 4; + } else if (s->above_comp_ctx[col]) { + c = 2 + (s->left_intra_ctx[row7] || + s->left_ref_ctx[row7] == s->fixcompref); + } else if (s->left_comp_ctx[row7]) { + c = 2 + (s->above_intra_ctx[col] || + s->above_ref_ctx[col] == s->fixcompref); + } else { + c = (!s->above_intra_ctx[col] && + s->above_ref_ctx[col] == s->fixcompref) ^ + (!s->left_intra_ctx[row7] && + s->left_ref_ctx[row & 7] == s->fixcompref); + } + } else { + c = s->above_comp_ctx[col] ? 3 : + (!s->above_intra_ctx[col] && s->above_ref_ctx[col] == s->fixcompref); + } + } else if (have_l) { + c = s->left_comp_ctx[row7] ? 3 : + (!s->left_intra_ctx[row7] && s->left_ref_ctx[row7] == s->fixcompref); + } else { + c = 1; + } + b->comp = vp56_rac_get_prob(&s->c, s->prob.p.comp[c]); + s->counts.comp[c][b->comp]++; + } + + // read actual references + // FIXME probably cache a few variables here to prevent repetitive + // memory accesses below + if (b->comp) /* two references */ { + int fix_idx = s->signbias[s->fixcompref], var_idx = !fix_idx, c, bit; + + b->ref[fix_idx] = s->fixcompref; + // FIXME can this codeblob be replaced by some sort of LUT? + if (have_a) { + if (have_l) { + if (s->above_intra_ctx[col]) { + if (s->left_intra_ctx[row7]) { + c = 2; + } else { + c = 1 + 2 * (s->left_ref_ctx[row7] != s->varcompref[1]); + } + } else if (s->left_intra_ctx[row7]) { + c = 1 + 2 * (s->above_ref_ctx[col] != s->varcompref[1]); + } else { + int refl = s->left_ref_ctx[row7], refa = s->above_ref_ctx[col]; + + if (refl == refa && refa == s->varcompref[1]) { + c = 0; + } else if (!s->left_comp_ctx[row7] && !s->above_comp_ctx[col]) { + if ((refa == s->fixcompref && refl == s->varcompref[0]) || + (refl == s->fixcompref && refa == s->varcompref[0])) { + c = 4; + } else { + c = (refa == refl) ? 3 : 1; + } + } else if (!s->left_comp_ctx[row7]) { + if (refa == s->varcompref[1] && refl != s->varcompref[1]) { + c = 1; + } else { + c = (refl == s->varcompref[1] && + refa != s->varcompref[1]) ? 2 : 4; + } + } else if (!s->above_comp_ctx[col]) { + if (refl == s->varcompref[1] && refa != s->varcompref[1]) { + c = 1; + } else { + c = (refa == s->varcompref[1] && + refl != s->varcompref[1]) ? 2 : 4; + } + } else { + c = (refl == refa) ? 4 : 2; + } + } + } else { + if (s->above_intra_ctx[col]) { + c = 2; + } else if (s->above_comp_ctx[col]) { + c = 4 * (s->above_ref_ctx[col] != s->varcompref[1]); + } else { + c = 3 * (s->above_ref_ctx[col] != s->varcompref[1]); + } + } + } else if (have_l) { + if (s->left_intra_ctx[row7]) { + c = 2; + } else if (s->left_comp_ctx[row7]) { + c = 4 * (s->left_ref_ctx[row7] != s->varcompref[1]); + } else { + c = 3 * (s->left_ref_ctx[row7] != s->varcompref[1]); + } + } else { + c = 2; + } + bit = vp56_rac_get_prob(&s->c, s->prob.p.comp_ref[c]); + b->ref[var_idx] = s->varcompref[bit]; + s->counts.comp_ref[c][bit]++; + } else /* single reference */ { + int bit, c; + + if (have_a && !s->above_intra_ctx[col]) { + if (have_l && !s->left_intra_ctx[row7]) { + if (s->left_comp_ctx[row7]) { + if (s->above_comp_ctx[col]) { + c = 1 + (!s->fixcompref || !s->left_ref_ctx[row7] || + !s->above_ref_ctx[col]); + } else { + c = (3 * !s->above_ref_ctx[col]) + + (!s->fixcompref || !s->left_ref_ctx[row7]); + } + } else if (s->above_comp_ctx[col]) { + c = (3 * !s->left_ref_ctx[row7]) + + (!s->fixcompref || !s->above_ref_ctx[col]); + } else { + c = 2 * !s->left_ref_ctx[row7] + 2 * !s->above_ref_ctx[col]; + } + } else if (s->above_intra_ctx[col]) { + c = 2; + } else if (s->above_comp_ctx[col]) { + c = 1 + (!s->fixcompref || !s->above_ref_ctx[col]); + } else { + c = 4 * (!s->above_ref_ctx[col]); + } + } else if (have_l && !s->left_intra_ctx[row7]) { + if (s->left_intra_ctx[row7]) { + c = 2; + } else if (s->left_comp_ctx[row7]) { + c = 1 + (!s->fixcompref || !s->left_ref_ctx[row7]); + } else { + c = 4 * (!s->left_ref_ctx[row7]); + } + } else { + c = 2; + } + bit = vp56_rac_get_prob(&s->c, s->prob.p.single_ref[c][0]); + s->counts.single_ref[c][0][bit]++; + if (!bit) { + b->ref[0] = 0; + } else { + // FIXME can this codeblob be replaced by some sort of LUT? + if (have_a) { + if (have_l) { + if (s->left_intra_ctx[row7]) { + if (s->above_intra_ctx[col]) { + c = 2; + } else if (s->above_comp_ctx[col]) { + c = 1 + 2 * (s->fixcompref == 1 || + s->above_ref_ctx[col] == 1); + } else if (!s->above_ref_ctx[col]) { + c = 3; + } else { + c = 4 * (s->above_ref_ctx[col] == 1); + } + } else if (s->above_intra_ctx[col]) { + if (s->left_intra_ctx[row7]) { + c = 2; + } else if (s->left_comp_ctx[row7]) { + c = 1 + 2 * (s->fixcompref == 1 || + s->left_ref_ctx[row7] == 1); + } else if (!s->left_ref_ctx[row7]) { + c = 3; + } else { + c = 4 * (s->left_ref_ctx[row7] == 1); + } + } else if (s->above_comp_ctx[col]) { + if (s->left_comp_ctx[row7]) { + if (s->left_ref_ctx[row7] == s->above_ref_ctx[col]) { + c = 3 * (s->fixcompref == 1 || + s->left_ref_ctx[row7] == 1); + } else { + c = 2; + } + } else if (!s->left_ref_ctx[row7]) { + c = 1 + 2 * (s->fixcompref == 1 || + s->above_ref_ctx[col] == 1); + } else { + c = 3 * (s->left_ref_ctx[row7] == 1) + + (s->fixcompref == 1 || s->above_ref_ctx[col] == 1); + } + } else if (s->left_comp_ctx[row7]) { + if (!s->above_ref_ctx[col]) { + c = 1 + 2 * (s->fixcompref == 1 || + s->left_ref_ctx[row7] == 1); + } else { + c = 3 * (s->above_ref_ctx[col] == 1) + + (s->fixcompref == 1 || s->left_ref_ctx[row7] == 1); + } + } else if (!s->above_ref_ctx[col]) { + if (!s->left_ref_ctx[row7]) { + c = 3; + } else { + c = 4 * (s->left_ref_ctx[row7] == 1); + } + } else if (!s->left_ref_ctx[row7]) { + c = 4 * (s->above_ref_ctx[col] == 1); + } else { + c = 2 * (s->left_ref_ctx[row7] == 1) + + 2 * (s->above_ref_ctx[col] == 1); + } + } else { + if (s->above_intra_ctx[col] || + (!s->above_comp_ctx[col] && !s->above_ref_ctx[col])) { + c = 2; + } else if (s->above_comp_ctx[col]) { + c = 3 * (s->fixcompref == 1 || s->above_ref_ctx[col] == 1); + } else { + c = 4 * (s->above_ref_ctx[col] == 1); + } + } + } else if (have_l) { + if (s->left_intra_ctx[row7] || + (!s->left_comp_ctx[row7] && !s->left_ref_ctx[row7])) { + c = 2; + } else if (s->left_comp_ctx[row7]) { + c = 3 * (s->fixcompref == 1 || s->left_ref_ctx[row7] == 1); + } else { + c = 4 * (s->left_ref_ctx[row7] == 1); + } + } else { + c = 2; + } + bit = vp56_rac_get_prob(&s->c, s->prob.p.single_ref[c][1]); + s->counts.single_ref[c][1][bit]++; + b->ref[0] = 1 + bit; + } + } + } + + if (b->bs <= BS_8x8) { + if (s->segmentation.feat[b->seg_id].skip_enabled) { + b->mode[0] = b->mode[1] = b->mode[2] = b->mode[3] = ZEROMV; + } else { + static const uint8_t off[10] = { + 3, 0, 0, 1, 0, 0, 0, 0, 0, 0 + }; + + // FIXME this needs to use the LUT tables from find_ref_mvs + // because not all are -1,0/0,-1 + int c = inter_mode_ctx_lut[s->above_mode_ctx[col + off[b->bs]]] + [s->left_mode_ctx[row7 + off[b->bs]]]; + + b->mode[0] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree, + s->prob.p.mv_mode[c]); + b->mode[1] = b->mode[2] = b->mode[3] = b->mode[0]; + s->counts.mv_mode[c][b->mode[0] - 10]++; + } + } + + if (s->filtermode == FILTER_SWITCHABLE) { + int c; + + if (have_a && s->above_mode_ctx[col] >= NEARESTMV) { + if (have_l && s->left_mode_ctx[row7] >= NEARESTMV) { + c = s->above_filter_ctx[col] == s->left_filter_ctx[row7] ? + s->left_filter_ctx[row7] : 3; + } else { + c = s->above_filter_ctx[col]; + } + } else if (have_l && s->left_mode_ctx[row7] >= NEARESTMV) { + c = s->left_filter_ctx[row7]; + } else { + c = 3; + } + + filter_id = vp8_rac_get_tree(&s->c, vp9_filter_tree, + s->prob.p.filter[c]); + s->counts.filter[c][filter_id]++; + b->filter = vp9_filter_lut[filter_id]; + } else { + b->filter = s->filtermode; + } + + if (b->bs > BS_8x8) { + int c = inter_mode_ctx_lut[s->above_mode_ctx[col]][s->left_mode_ctx[row7]]; + + b->mode[0] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree, + s->prob.p.mv_mode[c]); + s->counts.mv_mode[c][b->mode[0] - 10]++; + fill_mv(s, b->mv[0], b->mode[0], 0); + + if (b->bs != BS_8x4) { + b->mode[1] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree, + s->prob.p.mv_mode[c]); + s->counts.mv_mode[c][b->mode[1] - 10]++; + fill_mv(s, b->mv[1], b->mode[1], 1); + } else { + b->mode[1] = b->mode[0]; + AV_COPY32(&b->mv[1][0], &b->mv[0][0]); + AV_COPY32(&b->mv[1][1], &b->mv[0][1]); + } + + if (b->bs != BS_4x8) { + b->mode[2] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree, + s->prob.p.mv_mode[c]); + s->counts.mv_mode[c][b->mode[2] - 10]++; + fill_mv(s, b->mv[2], b->mode[2], 2); + + if (b->bs != BS_8x4) { + b->mode[3] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree, + s->prob.p.mv_mode[c]); + s->counts.mv_mode[c][b->mode[3] - 10]++; + fill_mv(s, b->mv[3], b->mode[3], 3); + } else { + b->mode[3] = b->mode[2]; + AV_COPY32(&b->mv[3][0], &b->mv[2][0]); + AV_COPY32(&b->mv[3][1], &b->mv[2][1]); + } + } else { + b->mode[2] = b->mode[0]; + AV_COPY32(&b->mv[2][0], &b->mv[0][0]); + AV_COPY32(&b->mv[2][1], &b->mv[0][1]); + b->mode[3] = b->mode[1]; + AV_COPY32(&b->mv[3][0], &b->mv[1][0]); + AV_COPY32(&b->mv[3][1], &b->mv[1][1]); + } + } else { + fill_mv(s, b->mv[0], b->mode[0], -1); + AV_COPY32(&b->mv[1][0], &b->mv[0][0]); + AV_COPY32(&b->mv[2][0], &b->mv[0][0]); + AV_COPY32(&b->mv[3][0], &b->mv[0][0]); + AV_COPY32(&b->mv[1][1], &b->mv[0][1]); + AV_COPY32(&b->mv[2][1], &b->mv[0][1]); + AV_COPY32(&b->mv[3][1], &b->mv[0][1]); + } + + vref = b->ref[b->comp ? s->signbias[s->varcompref[0]] : 0]; + } + +#if HAVE_FAST_64BIT +#define SPLAT_CTX(var, val, n) \ + switch (n) { \ + case 1: var = val; break; \ + case 2: AV_WN16A(&var, val * 0x0101); break; \ + case 4: AV_WN32A(&var, val * 0x01010101); break; \ + case 8: AV_WN64A(&var, val * 0x0101010101010101ULL); break; \ + case 16: { \ + uint64_t v64 = val * 0x0101010101010101ULL; \ + AV_WN64A( &var, v64); \ + AV_WN64A(&((uint8_t *) &var)[8], v64); \ + break; \ + } \ + } +#else +#define SPLAT_CTX(var, val, n) \ + switch (n) { \ + case 1: var = val; break; \ + case 2: AV_WN16A(&var, val * 0x0101); break; \ + case 4: AV_WN32A(&var, val * 0x01010101); break; \ + case 8: { \ + uint32_t v32 = val * 0x01010101; \ + AV_WN32A( &var, v32); \ + AV_WN32A(&((uint8_t *) &var)[4], v32); \ + break; \ + } \ + case 16: { \ + uint32_t v32 = val * 0x01010101; \ + AV_WN32A( &var, v32); \ + AV_WN32A(&((uint8_t *) &var)[4], v32); \ + AV_WN32A(&((uint8_t *) &var)[8], v32); \ + AV_WN32A(&((uint8_t *) &var)[12], v32); \ + break; \ + } \ + } +#endif + + switch (bwh_tab[1][b->bs][0]) { +#define SET_CTXS(dir, off, n) \ + do { \ + SPLAT_CTX(s->dir##_skip_ctx[off], b->skip, n); \ + SPLAT_CTX(s->dir##_txfm_ctx[off], b->tx, n); \ + SPLAT_CTX(s->dir##_partition_ctx[off], dir##_ctx[b->bs], n); \ + if (!s->keyframe && !s->intraonly) { \ + SPLAT_CTX(s->dir##_intra_ctx[off], b->intra, n); \ + SPLAT_CTX(s->dir##_comp_ctx[off], b->comp, n); \ + SPLAT_CTX(s->dir##_mode_ctx[off], b->mode[3], n); \ + if (!b->intra) { \ + SPLAT_CTX(s->dir##_ref_ctx[off], vref, n); \ + if (s->filtermode == FILTER_SWITCHABLE) { \ + SPLAT_CTX(s->dir##_filter_ctx[off], filter_id, n); \ + } \ + } \ + } \ + } while (0) + case 1: SET_CTXS(above, col, 1); break; + case 2: SET_CTXS(above, col, 2); break; + case 4: SET_CTXS(above, col, 4); break; + case 8: SET_CTXS(above, col, 8); break; + } + switch (bwh_tab[1][b->bs][1]) { + case 1: SET_CTXS(left, row7, 1); break; + case 2: SET_CTXS(left, row7, 2); break; + case 4: SET_CTXS(left, row7, 4); break; + case 8: SET_CTXS(left, row7, 8); break; + } +#undef SPLAT_CTX +#undef SET_CTXS + + if (!s->keyframe && !s->intraonly) { + if (b->bs > BS_8x8) { + int mv0 = AV_RN32A(&b->mv[3][0]), mv1 = AV_RN32A(&b->mv[3][1]); + + AV_COPY32(&s->left_mv_ctx[row7 * 2 + 0][0], &b->mv[1][0]); + AV_COPY32(&s->left_mv_ctx[row7 * 2 + 0][1], &b->mv[1][1]); + AV_WN32A(&s->left_mv_ctx[row7 * 2 + 1][0], mv0); + AV_WN32A(&s->left_mv_ctx[row7 * 2 + 1][1], mv1); + AV_COPY32(&s->above_mv_ctx[col * 2 + 0][0], &b->mv[2][0]); + AV_COPY32(&s->above_mv_ctx[col * 2 + 0][1], &b->mv[2][1]); + AV_WN32A(&s->above_mv_ctx[col * 2 + 1][0], mv0); + AV_WN32A(&s->above_mv_ctx[col * 2 + 1][1], mv1); + } else { + int n, mv0 = AV_RN32A(&b->mv[3][0]), mv1 = AV_RN32A(&b->mv[3][1]); + + for (n = 0; n < w4 * 2; n++) { + AV_WN32A(&s->above_mv_ctx[col * 2 + n][0], mv0); + AV_WN32A(&s->above_mv_ctx[col * 2 + n][1], mv1); + } + for (n = 0; n < h4 * 2; n++) { + AV_WN32A(&s->left_mv_ctx[row7 * 2 + n][0], mv0); + AV_WN32A(&s->left_mv_ctx[row7 * 2 + n][1], mv1); + } + } + } + + // FIXME kinda ugly + for (y = 0; y < h4; y++) { + int x, o = (row + y) * s->sb_cols * 8 + col; + struct VP9mvrefPair *mv = &s->frames[CUR_FRAME].mv[o]; + + if (b->intra) { + for (x = 0; x < w4; x++) { + mv[x].ref[0] = + mv[x].ref[1] = -1; + } + } else if (b->comp) { + for (x = 0; x < w4; x++) { + mv[x].ref[0] = b->ref[0]; + mv[x].ref[1] = b->ref[1]; + AV_COPY32(&mv[x].mv[0], &b->mv[3][0]); + AV_COPY32(&mv[x].mv[1], &b->mv[3][1]); + } + } else { + for (x = 0; x < w4; x++) { + mv[x].ref[0] = b->ref[0]; + mv[x].ref[1] = -1; + AV_COPY32(&mv[x].mv[0], &b->mv[3][0]); + } + } + } +} + +// FIXME merge cnt/eob arguments? +static av_always_inline int +decode_coeffs_b_generic(VP56RangeCoder *c, int16_t *coef, int n_coeffs, + int is_tx32x32, unsigned (*cnt)[6][3], + unsigned (*eob)[6][2], uint8_t (*p)[6][11], + int nnz, const int16_t *scan, const int16_t (*nb)[2], + const int16_t *band_counts, const int16_t *qmul) +{ + int i = 0, band = 0, band_left = band_counts[band]; + uint8_t *tp = p[0][nnz]; + uint8_t cache[1024]; + + do { + int val, rc; + + val = vp56_rac_get_prob_branchy(c, tp[0]); // eob + eob[band][nnz][val]++; + if (!val) + break; + + skip_eob: + if (!vp56_rac_get_prob_branchy(c, tp[1])) { // zero + cnt[band][nnz][0]++; + if (!--band_left) + band_left = band_counts[++band]; + cache[scan[i]] = 0; + nnz = (1 + cache[nb[i][0]] + cache[nb[i][1]]) >> 1; + tp = p[band][nnz]; + if (++i == n_coeffs) + break; //invalid input; blocks should end with EOB + goto skip_eob; + } + + rc = scan[i]; + if (!vp56_rac_get_prob_branchy(c, tp[2])) { // one + cnt[band][nnz][1]++; + val = 1; + cache[rc] = 1; + } else { + // fill in p[3-10] (model fill) - only once per frame for each pos + if (!tp[3]) + memcpy(&tp[3], vp9_model_pareto8[tp[2]], 8); + + cnt[band][nnz][2]++; + if (!vp56_rac_get_prob_branchy(c, tp[3])) { // 2, 3, 4 + if (!vp56_rac_get_prob_branchy(c, tp[4])) { + cache[rc] = val = 2; + } else { + val = 3 + vp56_rac_get_prob(c, tp[5]); + cache[rc] = 3; + } + } else if (!vp56_rac_get_prob_branchy(c, tp[6])) { // cat1/2 + cache[rc] = 4; + if (!vp56_rac_get_prob_branchy(c, tp[7])) { + val = 5 + vp56_rac_get_prob(c, 159); + } else { + val = 7 + (vp56_rac_get_prob(c, 165) << 1); + val += vp56_rac_get_prob(c, 145); + } + } else { // cat 3-6 + cache[rc] = 5; + if (!vp56_rac_get_prob_branchy(c, tp[8])) { + if (!vp56_rac_get_prob_branchy(c, tp[9])) { + val = 11 + (vp56_rac_get_prob(c, 173) << 2); + val += (vp56_rac_get_prob(c, 148) << 1); + val += vp56_rac_get_prob(c, 140); + } else { + val = 19 + (vp56_rac_get_prob(c, 176) << 3); + val += (vp56_rac_get_prob(c, 155) << 2); + val += (vp56_rac_get_prob(c, 140) << 1); + val += vp56_rac_get_prob(c, 135); + } + } else if (!vp56_rac_get_prob_branchy(c, tp[10])) { + val = 35 + (vp56_rac_get_prob(c, 180) << 4); + val += (vp56_rac_get_prob(c, 157) << 3); + val += (vp56_rac_get_prob(c, 141) << 2); + val += (vp56_rac_get_prob(c, 134) << 1); + val += vp56_rac_get_prob(c, 130); + } else { + val = 67 + (vp56_rac_get_prob(c, 254) << 13); + val += (vp56_rac_get_prob(c, 254) << 12); + val += (vp56_rac_get_prob(c, 254) << 11); + val += (vp56_rac_get_prob(c, 252) << 10); + val += (vp56_rac_get_prob(c, 249) << 9); + val += (vp56_rac_get_prob(c, 243) << 8); + val += (vp56_rac_get_prob(c, 230) << 7); + val += (vp56_rac_get_prob(c, 196) << 6); + val += (vp56_rac_get_prob(c, 177) << 5); + val += (vp56_rac_get_prob(c, 153) << 4); + val += (vp56_rac_get_prob(c, 140) << 3); + val += (vp56_rac_get_prob(c, 133) << 2); + val += (vp56_rac_get_prob(c, 130) << 1); + val += vp56_rac_get_prob(c, 129); + } + } + } + if (!--band_left) + band_left = band_counts[++band]; + if (is_tx32x32) + coef[rc] = ((vp8_rac_get(c) ? -val : val) * qmul[!!i]) / 2; + else + coef[rc] = (vp8_rac_get(c) ? -val : val) * qmul[!!i]; + nnz = (1 + cache[nb[i][0]] + cache[nb[i][1]]) >> 1; + tp = p[band][nnz]; + } while (++i < n_coeffs); + + return i; +} + +static int decode_coeffs_b(VP56RangeCoder *c, int16_t *coef, int n_coeffs, + unsigned (*cnt)[6][3], unsigned (*eob)[6][2], + uint8_t (*p)[6][11], int nnz, const int16_t *scan, + const int16_t (*nb)[2], const int16_t *band_counts, + const int16_t *qmul) +{ + return decode_coeffs_b_generic(c, coef, n_coeffs, 0, cnt, eob, p, + nnz, scan, nb, band_counts, qmul); +} + +static int decode_coeffs_b32(VP56RangeCoder *c, int16_t *coef, int n_coeffs, + unsigned (*cnt)[6][3], unsigned (*eob)[6][2], + uint8_t (*p)[6][11], int nnz, const int16_t *scan, + const int16_t (*nb)[2], const int16_t *band_counts, + const int16_t *qmul) +{ + return decode_coeffs_b_generic(c, coef, n_coeffs, 1, cnt, eob, p, + nnz, scan, nb, band_counts, qmul); +} + +static void decode_coeffs(AVCodecContext *ctx) +{ + VP9Context *s = ctx->priv_data; + VP9Block *b = s->b; + int row = s->row, col = s->col; + uint8_t (*p)[6][11] = s->prob.coef[b->tx][0 /* y */][!b->intra]; + unsigned (*c)[6][3] = s->counts.coef[b->tx][0 /* y */][!b->intra]; + unsigned (*e)[6][2] = s->counts.eob[b->tx][0 /* y */][!b->intra]; + int w4 = bwh_tab[1][b->bs][0] << 1, h4 = bwh_tab[1][b->bs][1] << 1; + int end_x = FFMIN(2 * (s->cols - col), w4); + int end_y = FFMIN(2 * (s->rows - row), h4); + int n, pl, x, y, res; + int16_t (*qmul)[2] = s->segmentation.feat[b->seg_id].qmul; + int tx = 4 * s->lossless + b->tx; + const int16_t * const *yscans = vp9_scans[tx]; + const int16_t (* const *ynbs)[2] = vp9_scans_nb[tx]; + const int16_t *uvscan = vp9_scans[b->uvtx][DCT_DCT]; + const int16_t (*uvnb)[2] = vp9_scans_nb[b->uvtx][DCT_DCT]; + uint8_t *a = &s->above_y_nnz_ctx[col * 2]; + uint8_t *l = &s->left_y_nnz_ctx[(row & 7) << 1]; + static const int16_t band_counts[4][8] = { + { 1, 2, 3, 4, 3, 16 - 13 }, + { 1, 2, 3, 4, 11, 64 - 21 }, + { 1, 2, 3, 4, 11, 256 - 21 }, + { 1, 2, 3, 4, 11, 1024 - 21 }, + }; + const int16_t *y_band_counts = band_counts[b->tx]; + const int16_t *uv_band_counts = band_counts[b->uvtx]; + +#define MERGE(la, end, step, rd) \ + for (n = 0; n < end; n += step) \ + la[n] = !!rd(&la[n]) +#define MERGE_CTX(step, rd) \ + do { \ + MERGE(l, end_y, step, rd); \ + MERGE(a, end_x, step, rd); \ + } while (0) + +#define DECODE_Y_COEF_LOOP(step, mode_index, v) \ + for (n = 0, y = 0; y < end_y; y += step) { \ + for (x = 0; x < end_x; x += step, n += step * step) { \ + enum TxfmType txtp = vp9_intra_txfm_type[b->mode[mode_index]]; \ + res = decode_coeffs_b##v(&s->c, s->block + 16 * n, 16 * step * step, \ + c, e, p, a[x] + l[y], yscans[txtp], \ + ynbs[txtp], y_band_counts, qmul[0]); \ + a[x] = l[y] = !!res; \ + if (step >= 4) { \ + AV_WN16A(&s->eob[n], res); \ + } else { \ + s->eob[n] = res; \ + } \ + } \ + } + +#define SPLAT(la, end, step, cond) \ + if (step == 2) { \ + for (n = 1; n < end; n += step) \ + la[n] = la[n - 1]; \ + } else if (step == 4) { \ + if (cond) { \ + for (n = 0; n < end; n += step) \ + AV_WN32A(&la[n], la[n] * 0x01010101); \ + } else { \ + for (n = 0; n < end; n += step) \ + memset(&la[n + 1], la[n], FFMIN(end - n - 1, 3)); \ + } \ + } else /* step == 8 */ { \ + if (cond) { \ + if (HAVE_FAST_64BIT) { \ + for (n = 0; n < end; n += step) \ + AV_WN64A(&la[n], la[n] * 0x0101010101010101ULL); \ + } else { \ + for (n = 0; n < end; n += step) { \ + uint32_t v32 = la[n] * 0x01010101; \ + AV_WN32A(&la[n], v32); \ + AV_WN32A(&la[n + 4], v32); \ + } \ + } \ + } else { \ + for (n = 0; n < end; n += step) \ + memset(&la[n + 1], la[n], FFMIN(end - n - 1, 7)); \ + } \ + } +#define SPLAT_CTX(step) \ + do { \ + SPLAT(a, end_x, step, end_x == w4); \ + SPLAT(l, end_y, step, end_y == h4); \ + } while (0) + + /* y tokens */ + switch (b->tx) { + case TX_4X4: + DECODE_Y_COEF_LOOP(1, b->bs > BS_8x8 ? n : 0,); + break; + case TX_8X8: + MERGE_CTX(2, AV_RN16A); + DECODE_Y_COEF_LOOP(2, 0,); + SPLAT_CTX(2); + break; + case TX_16X16: + MERGE_CTX(4, AV_RN32A); + DECODE_Y_COEF_LOOP(4, 0,); + SPLAT_CTX(4); + break; + case TX_32X32: + MERGE_CTX(8, AV_RN64A); + DECODE_Y_COEF_LOOP(8, 0, 32); + SPLAT_CTX(8); + break; + } + +#define DECODE_UV_COEF_LOOP(step) \ + for (n = 0, y = 0; y < end_y; y += step) { \ + for (x = 0; x < end_x; x += step, n += step * step) { \ + res = decode_coeffs_b(&s->c, s->uvblock[pl] + 16 * n, \ + 16 * step * step, c, e, p, a[x] + l[y], \ + uvscan, uvnb, uv_band_counts, qmul[1]); \ + a[x] = l[y] = !!res; \ + if (step >= 4) { \ + AV_WN16A(&s->uveob[pl][n], res); \ + } else { \ + s->uveob[pl][n] = res; \ + } \ + } \ + } + + p = s->prob.coef[b->uvtx][1 /* uv */][!b->intra]; + c = s->counts.coef[b->uvtx][1 /* uv */][!b->intra]; + e = s->counts.eob[b->uvtx][1 /* uv */][!b->intra]; + w4 >>= 1; + h4 >>= 1; + end_x >>= 1; + end_y >>= 1; + for (pl = 0; pl < 2; pl++) { + a = &s->above_uv_nnz_ctx[pl][col]; + l = &s->left_uv_nnz_ctx[pl][row & 7]; + switch (b->uvtx) { + case TX_4X4: + DECODE_UV_COEF_LOOP(1); + break; + case TX_8X8: + MERGE_CTX(2, AV_RN16A); + DECODE_UV_COEF_LOOP(2); + SPLAT_CTX(2); + break; + case TX_16X16: + MERGE_CTX(4, AV_RN32A); + DECODE_UV_COEF_LOOP(4); + SPLAT_CTX(4); + break; + case TX_32X32: + MERGE_CTX(8, AV_RN64A); + // a 64x64 (max) uv block can ever only contain 1 tx32x32 block + // so there is no need to loop + res = decode_coeffs_b32(&s->c, s->uvblock[pl], + 1024, c, e, p, a[0] + l[0], + uvscan, uvnb, uv_band_counts, qmul[1]); + a[0] = l[0] = !!res; + AV_WN16A(&s->uveob[pl][0], res); + SPLAT_CTX(8); + break; + } + } +} + +static av_always_inline int check_intra_mode(VP9Context *s, int mode, uint8_t **a, + uint8_t *dst_edge, ptrdiff_t stride_edge, + uint8_t *dst_inner, ptrdiff_t stride_inner, + uint8_t *l, int col, int x, int w, + int row, int y, enum TxfmMode tx, + int p) +{ + int have_top = row > 0 || y > 0; + int have_left = col > s->tiling.tile_col_start || x > 0; + int have_right = x < w - 1; + static const uint8_t mode_conv[10][2 /* have_left */][2 /* have_top */] = { + [VERT_PRED] = { { DC_127_PRED, VERT_PRED }, + { DC_127_PRED, VERT_PRED } }, + [HOR_PRED] = { { DC_129_PRED, DC_129_PRED }, + { HOR_PRED, HOR_PRED } }, + [DC_PRED] = { { DC_128_PRED, TOP_DC_PRED }, + { LEFT_DC_PRED, DC_PRED } }, + [DIAG_DOWN_LEFT_PRED] = { { DC_127_PRED, DIAG_DOWN_LEFT_PRED }, + { DC_127_PRED, DIAG_DOWN_LEFT_PRED } }, + [DIAG_DOWN_RIGHT_PRED] = { { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED }, + { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED } }, + [VERT_RIGHT_PRED] = { { VERT_RIGHT_PRED, VERT_RIGHT_PRED }, + { VERT_RIGHT_PRED, VERT_RIGHT_PRED } }, + [HOR_DOWN_PRED] = { { HOR_DOWN_PRED, HOR_DOWN_PRED }, + { HOR_DOWN_PRED, HOR_DOWN_PRED } }, + [VERT_LEFT_PRED] = { { DC_127_PRED, VERT_LEFT_PRED }, + { DC_127_PRED, VERT_LEFT_PRED } }, + [HOR_UP_PRED] = { { DC_129_PRED, DC_129_PRED }, + { HOR_UP_PRED, HOR_UP_PRED } }, + [TM_VP8_PRED] = { { DC_129_PRED, VERT_PRED }, + { HOR_PRED, TM_VP8_PRED } }, + }; + static const struct { + uint8_t needs_left:1; + uint8_t needs_top:1; + uint8_t needs_topleft:1; + uint8_t needs_topright:1; + uint8_t invert_left:1; + } edges[N_INTRA_PRED_MODES] = { + [VERT_PRED] = { .needs_top = 1 }, + [HOR_PRED] = { .needs_left = 1 }, + [DC_PRED] = { .needs_top = 1, .needs_left = 1 }, + [DIAG_DOWN_LEFT_PRED] = { .needs_top = 1, .needs_topright = 1 }, + [DIAG_DOWN_RIGHT_PRED] = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 }, + [VERT_RIGHT_PRED] = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 }, + [HOR_DOWN_PRED] = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 }, + [VERT_LEFT_PRED] = { .needs_top = 1, .needs_topright = 1 }, + [HOR_UP_PRED] = { .needs_left = 1, .invert_left = 1 }, + [TM_VP8_PRED] = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 }, + [LEFT_DC_PRED] = { .needs_left = 1 }, + [TOP_DC_PRED] = { .needs_top = 1 }, + [DC_128_PRED] = { 0 }, + [DC_127_PRED] = { 0 }, + [DC_129_PRED] = { 0 } + }; + + av_assert2(mode >= 0 && mode < 10); + mode = mode_conv[mode][have_left][have_top]; + if (edges[mode].needs_top) { + uint8_t *top, *topleft; + int n_px_need = 4 << tx, n_px_have = (((s->cols - col) << !p) - x) * 4; + int n_px_need_tr = 0; + + if (tx == TX_4X4 && edges[mode].needs_topright && have_right) + n_px_need_tr = 4; + + // if top of sb64-row, use s->intra_pred_data[] instead of + // dst[-stride] for intra prediction (it contains pre- instead of + // post-loopfilter data) + if (have_top) { + top = !(row & 7) && !y ? + s->intra_pred_data[p] + col * (8 >> !!p) + x * 4 : + y == 0 ? &dst_edge[-stride_edge] : &dst_inner[-stride_inner]; + if (have_left) + topleft = !(row & 7) && !y ? + s->intra_pred_data[p] + col * (8 >> !!p) + x * 4 : + y == 0 || x == 0 ? &dst_edge[-stride_edge] : + &dst_inner[-stride_inner]; + } + + if (have_top && + (!edges[mode].needs_topleft || (have_left && top == topleft)) && + (tx != TX_4X4 || !edges[mode].needs_topright || have_right) && + n_px_need + n_px_need_tr <= n_px_have) { + *a = top; + } else { + if (have_top) { + if (n_px_need <= n_px_have) { + memcpy(*a, top, n_px_need); + } else { + memcpy(*a, top, n_px_have); + memset(&(*a)[n_px_have], (*a)[n_px_have - 1], + n_px_need - n_px_have); + } + } else { + memset(*a, 127, n_px_need); + } + if (edges[mode].needs_topleft) { + if (have_left && have_top) { + (*a)[-1] = topleft[-1]; + } else { + (*a)[-1] = have_top ? 129 : 127; + } + } + if (tx == TX_4X4 && edges[mode].needs_topright) { + if (have_top && have_right && + n_px_need + n_px_need_tr <= n_px_have) { + memcpy(&(*a)[4], &top[4], 4); + } else { + memset(&(*a)[4], (*a)[3], 4); + } + } + } + } + if (edges[mode].needs_left) { + if (have_left) { + int n_px_need = 4 << tx, i, n_px_have = (((s->rows - row) << !p) - y) * 4; + uint8_t *dst = x == 0 ? dst_edge : dst_inner; + ptrdiff_t stride = x == 0 ? stride_edge : stride_inner; + + if (edges[mode].invert_left) { + if (n_px_need <= n_px_have) { + for (i = 0; i < n_px_need; i++) + l[i] = dst[i * stride - 1]; + } else { + for (i = 0; i < n_px_have; i++) + l[i] = dst[i * stride - 1]; + memset(&l[n_px_have], l[n_px_have - 1], n_px_need - n_px_have); + } + } else { + if (n_px_need <= n_px_have) { + for (i = 0; i < n_px_need; i++) + l[n_px_need - 1 - i] = dst[i * stride - 1]; + } else { + for (i = 0; i < n_px_have; i++) + l[n_px_need - 1 - i] = dst[i * stride - 1]; + memset(l, l[n_px_need - n_px_have], n_px_need - n_px_have); + } + } + } else { + memset(l, 129, 4 << tx); + } + } + + return mode; +} + +static void intra_recon(AVCodecContext *ctx, ptrdiff_t y_off, ptrdiff_t uv_off) +{ + VP9Context *s = ctx->priv_data; + VP9Block *b = s->b; + int row = s->row, col = s->col; + int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n; + int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2); + int end_x = FFMIN(2 * (s->cols - col), w4); + int end_y = FFMIN(2 * (s->rows - row), h4); + int tx = 4 * s->lossless + b->tx, uvtx = b->uvtx + 4 * s->lossless; + int uvstep1d = 1 << b->uvtx, p; + uint8_t *dst = s->dst[0], *dst_r = s->frames[CUR_FRAME].tf.f->data[0] + y_off; + LOCAL_ALIGNED_32(uint8_t, a_buf, [64]); + LOCAL_ALIGNED_32(uint8_t, l, [32]); + + for (n = 0, y = 0; y < end_y; y += step1d) { + uint8_t *ptr = dst, *ptr_r = dst_r; + for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d, + ptr_r += 4 * step1d, n += step) { + int mode = b->mode[b->bs > BS_8x8 && b->tx == TX_4X4 ? + y * 2 + x : 0]; + uint8_t *a = &a_buf[32]; + enum TxfmType txtp = vp9_intra_txfm_type[mode]; + int eob = b->skip ? 0 : b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n]; + + mode = check_intra_mode(s, mode, &a, ptr_r, + s->frames[CUR_FRAME].tf.f->linesize[0], + ptr, s->y_stride, l, + col, x, w4, row, y, b->tx, 0); + s->dsp.intra_pred[b->tx][mode](ptr, s->y_stride, l, a); + if (eob) + s->dsp.itxfm_add[tx][txtp](ptr, s->y_stride, + s->block + 16 * n, eob); + } + dst_r += 4 * step1d * s->frames[CUR_FRAME].tf.f->linesize[0]; + dst += 4 * step1d * s->y_stride; + } + + // U/V + w4 >>= 1; + end_x >>= 1; + end_y >>= 1; + step = 1 << (b->uvtx * 2); + for (p = 0; p < 2; p++) { + dst = s->dst[1 + p]; + dst_r = s->frames[CUR_FRAME].tf.f->data[1 + p] + uv_off; + for (n = 0, y = 0; y < end_y; y += uvstep1d) { + uint8_t *ptr = dst, *ptr_r = dst_r; + for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d, + ptr_r += 4 * uvstep1d, n += step) { + int mode = b->uvmode; + uint8_t *a = &a_buf[16]; + int eob = b->skip ? 0 : b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n]) : s->uveob[p][n]; + + mode = check_intra_mode(s, mode, &a, ptr_r, + s->frames[CUR_FRAME].tf.f->linesize[1], + ptr, s->uv_stride, l, + col, x, w4, row, y, b->uvtx, p + 1); + s->dsp.intra_pred[b->uvtx][mode](ptr, s->uv_stride, l, a); + if (eob) + s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, s->uv_stride, + s->uvblock[p] + 16 * n, eob); + } + dst_r += 4 * uvstep1d * s->frames[CUR_FRAME].tf.f->linesize[1]; + dst += 4 * uvstep1d * s->uv_stride; + } + } +} + +static av_always_inline void mc_luma_dir(VP9Context *s, vp9_mc_func (*mc)[2], + uint8_t *dst, ptrdiff_t dst_stride, + const uint8_t *ref, ptrdiff_t ref_stride, + ThreadFrame *ref_frame, + ptrdiff_t y, ptrdiff_t x, const VP56mv *mv, + int bw, int bh, int w, int h) +{ + int mx = mv->x, my = mv->y, th; + + y += my >> 3; + x += mx >> 3; + ref += y * ref_stride + x; + mx &= 7; + my &= 7; + // FIXME bilinear filter only needs 0/1 pixels, not 3/4 + // we use +7 because the last 7 pixels of each sbrow can be changed in + // the longest loopfilter of the next sbrow + th = (y + bh + 4 * !!my + 7) >> 6; + ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0); + if (x < !!mx * 3 || y < !!my * 3 || + x + !!mx * 4 > w - bw || y + !!my * 4 > h - bh) { + s->vdsp.emulated_edge_mc(s->edge_emu_buffer, + ref - !!my * 3 * ref_stride - !!mx * 3, + 80, ref_stride, + bw + !!mx * 7, bh + !!my * 7, + x - !!mx * 3, y - !!my * 3, w, h); + ref = s->edge_emu_buffer + !!my * 3 * 80 + !!mx * 3; + ref_stride = 80; + } + mc[!!mx][!!my](dst, dst_stride, ref, ref_stride, bh, mx << 1, my << 1); +} + +static av_always_inline void mc_chroma_dir(VP9Context *s, vp9_mc_func (*mc)[2], + uint8_t *dst_u, uint8_t *dst_v, + ptrdiff_t dst_stride, + const uint8_t *ref_u, ptrdiff_t src_stride_u, + const uint8_t *ref_v, ptrdiff_t src_stride_v, + ThreadFrame *ref_frame, + ptrdiff_t y, ptrdiff_t x, const VP56mv *mv, + int bw, int bh, int w, int h) +{ + int mx = mv->x, my = mv->y, th; + + y += my >> 4; + x += mx >> 4; + ref_u += y * src_stride_u + x; + ref_v += y * src_stride_v + x; + mx &= 15; + my &= 15; + // FIXME bilinear filter only needs 0/1 pixels, not 3/4 + // we use +7 because the last 7 pixels of each sbrow can be changed in + // the longest loopfilter of the next sbrow + th = (y + bh + 4 * !!my + 7) >> 5; + ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0); + if (x < !!mx * 3 || y < !!my * 3 || + x + !!mx * 4 > w - bw || y + !!my * 4 > h - bh) { + s->vdsp.emulated_edge_mc(s->edge_emu_buffer, + ref_u - !!my * 3 * src_stride_u - !!mx * 3, + 80, src_stride_u, + bw + !!mx * 7, bh + !!my * 7, + x - !!mx * 3, y - !!my * 3, w, h); + ref_u = s->edge_emu_buffer + !!my * 3 * 80 + !!mx * 3; + mc[!!mx][!!my](dst_u, dst_stride, ref_u, 80, bh, mx, my); + + s->vdsp.emulated_edge_mc(s->edge_emu_buffer, + ref_v - !!my * 3 * src_stride_v - !!mx * 3, + 80, src_stride_v, + bw + !!mx * 7, bh + !!my * 7, + x - !!mx * 3, y - !!my * 3, w, h); + ref_v = s->edge_emu_buffer + !!my * 3 * 80 + !!mx * 3; + mc[!!mx][!!my](dst_v, dst_stride, ref_v, 80, bh, mx, my); + } else { + mc[!!mx][!!my](dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my); + mc[!!mx][!!my](dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my); + } +} + +static void inter_recon(AVCodecContext *ctx) +{ + static const uint8_t bwlog_tab[2][N_BS_SIZES] = { + { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 }, + { 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4 }, + }; + VP9Context *s = ctx->priv_data; + VP9Block *b = s->b; + int row = s->row, col = s->col; + ThreadFrame *tref1 = &s->refs[s->refidx[b->ref[0]]], *tref2; + AVFrame *ref1 = tref1->f, *ref2; + int w1 = ref1->width, h1 = ref1->height, w2, h2; + ptrdiff_t ls_y = s->y_stride, ls_uv = s->uv_stride; + + if (b->comp) { + tref2 = &s->refs[s->refidx[b->ref[1]]]; + ref2 = tref2->f; + w2 = ref2->width; + h2 = ref2->height; + } + + // y inter pred + if (b->bs > BS_8x8) { + if (b->bs == BS_8x4) { + mc_luma_dir(s, s->dsp.mc[3][b->filter][0], s->dst[0], ls_y, + ref1->data[0], ref1->linesize[0], tref1, + row << 3, col << 3, &b->mv[0][0], 8, 4, w1, h1); + mc_luma_dir(s, s->dsp.mc[3][b->filter][0], + s->dst[0] + 4 * ls_y, ls_y, + ref1->data[0], ref1->linesize[0], tref1, + (row << 3) + 4, col << 3, &b->mv[2][0], 8, 4, w1, h1); + + if (b->comp) { + mc_luma_dir(s, s->dsp.mc[3][b->filter][1], s->dst[0], ls_y, + ref2->data[0], ref2->linesize[0], tref2, + row << 3, col << 3, &b->mv[0][1], 8, 4, w2, h2); + mc_luma_dir(s, s->dsp.mc[3][b->filter][1], + s->dst[0] + 4 * ls_y, ls_y, + ref2->data[0], ref2->linesize[0], tref2, + (row << 3) + 4, col << 3, &b->mv[2][1], 8, 4, w2, h2); + } + } else if (b->bs == BS_4x8) { + mc_luma_dir(s, s->dsp.mc[4][b->filter][0], s->dst[0], ls_y, + ref1->data[0], ref1->linesize[0], tref1, + row << 3, col << 3, &b->mv[0][0], 4, 8, w1, h1); + mc_luma_dir(s, s->dsp.mc[4][b->filter][0], s->dst[0] + 4, ls_y, + ref1->data[0], ref1->linesize[0], tref1, + row << 3, (col << 3) + 4, &b->mv[1][0], 4, 8, w1, h1); + + if (b->comp) { + mc_luma_dir(s, s->dsp.mc[4][b->filter][1], s->dst[0], ls_y, + ref2->data[0], ref2->linesize[0], tref2, + row << 3, col << 3, &b->mv[0][1], 4, 8, w2, h2); + mc_luma_dir(s, s->dsp.mc[4][b->filter][1], s->dst[0] + 4, ls_y, + ref2->data[0], ref2->linesize[0], tref2, + row << 3, (col << 3) + 4, &b->mv[1][1], 4, 8, w2, h2); + } + } else { + av_assert2(b->bs == BS_4x4); + + // FIXME if two horizontally adjacent blocks have the same MV, + // do a w8 instead of a w4 call + mc_luma_dir(s, s->dsp.mc[4][b->filter][0], s->dst[0], ls_y, + ref1->data[0], ref1->linesize[0], tref1, + row << 3, col << 3, &b->mv[0][0], 4, 4, w1, h1); + mc_luma_dir(s, s->dsp.mc[4][b->filter][0], s->dst[0] + 4, ls_y, + ref1->data[0], ref1->linesize[0], tref1, + row << 3, (col << 3) + 4, &b->mv[1][0], 4, 4, w1, h1); + mc_luma_dir(s, s->dsp.mc[4][b->filter][0], + s->dst[0] + 4 * ls_y, ls_y, + ref1->data[0], ref1->linesize[0], tref1, + (row << 3) + 4, col << 3, &b->mv[2][0], 4, 4, w1, h1); + mc_luma_dir(s, s->dsp.mc[4][b->filter][0], + s->dst[0] + 4 * ls_y + 4, ls_y, + ref1->data[0], ref1->linesize[0], tref1, + (row << 3) + 4, (col << 3) + 4, &b->mv[3][0], 4, 4, w1, h1); + + if (b->comp) { + mc_luma_dir(s, s->dsp.mc[4][b->filter][1], s->dst[0], ls_y, + ref2->data[0], ref2->linesize[0], tref2, + row << 3, col << 3, &b->mv[0][1], 4, 4, w2, h2); + mc_luma_dir(s, s->dsp.mc[4][b->filter][1], s->dst[0] + 4, ls_y, + ref2->data[0], ref2->linesize[0], tref2, + row << 3, (col << 3) + 4, &b->mv[1][1], 4, 4, w2, h2); + mc_luma_dir(s, s->dsp.mc[4][b->filter][1], + s->dst[0] + 4 * ls_y, ls_y, + ref2->data[0], ref2->linesize[0], tref2, + (row << 3) + 4, col << 3, &b->mv[2][1], 4, 4, w2, h2); + mc_luma_dir(s, s->dsp.mc[4][b->filter][1], + s->dst[0] + 4 * ls_y + 4, ls_y, + ref2->data[0], ref2->linesize[0], tref2, + (row << 3) + 4, (col << 3) + 4, &b->mv[3][1], 4, 4, w2, h2); + } + } + } else { + int bwl = bwlog_tab[0][b->bs]; + int bw = bwh_tab[0][b->bs][0] * 4, bh = bwh_tab[0][b->bs][1] * 4; + + mc_luma_dir(s, s->dsp.mc[bwl][b->filter][0], s->dst[0], ls_y, + ref1->data[0], ref1->linesize[0], tref1, + row << 3, col << 3, &b->mv[0][0],bw, bh, w1, h1); + + if (b->comp) + mc_luma_dir(s, s->dsp.mc[bwl][b->filter][1], s->dst[0], ls_y, + ref2->data[0], ref2->linesize[0], tref2, + row << 3, col << 3, &b->mv[0][1], bw, bh, w2, h2); + } + + // uv inter pred + { + int bwl = bwlog_tab[1][b->bs]; + int bw = bwh_tab[1][b->bs][0] * 4, bh = bwh_tab[1][b->bs][1] * 4; + VP56mv mvuv; + + w1 = (w1 + 1) >> 1; + h1 = (h1 + 1) >> 1; + if (b->comp) { + w2 = (w2 + 1) >> 1; + h2 = (h2 + 1) >> 1; + } + if (b->bs > BS_8x8) { + mvuv.x = ROUNDED_DIV(b->mv[0][0].x + b->mv[1][0].x + b->mv[2][0].x + b->mv[3][0].x, 4); + mvuv.y = ROUNDED_DIV(b->mv[0][0].y + b->mv[1][0].y + b->mv[2][0].y + b->mv[3][0].y, 4); + } else { + mvuv = b->mv[0][0]; + } + + mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][0], + s->dst[1], s->dst[2], ls_uv, + ref1->data[1], ref1->linesize[1], + ref1->data[2], ref1->linesize[2], tref1, + row << 2, col << 2, &mvuv, bw, bh, w1, h1); + + if (b->comp) { + if (b->bs > BS_8x8) { + mvuv.x = ROUNDED_DIV(b->mv[0][1].x + b->mv[1][1].x + b->mv[2][1].x + b->mv[3][1].x, 4); + mvuv.y = ROUNDED_DIV(b->mv[0][1].y + b->mv[1][1].y + b->mv[2][1].y + b->mv[3][1].y, 4); + } else { + mvuv = b->mv[0][1]; + } + mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][1], + s->dst[1], s->dst[2], ls_uv, + ref2->data[1], ref2->linesize[1], + ref2->data[2], ref2->linesize[2], tref2, + row << 2, col << 2, &mvuv, bw, bh, w2, h2); + } + } + + if (!b->skip) { + /* mostly copied intra_reconn() */ + + int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n; + int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2); + int end_x = FFMIN(2 * (s->cols - col), w4); + int end_y = FFMIN(2 * (s->rows - row), h4); + int tx = 4 * s->lossless + b->tx, uvtx = b->uvtx + 4 * s->lossless; + int uvstep1d = 1 << b->uvtx, p; + uint8_t *dst = s->dst[0]; + + // y itxfm add + for (n = 0, y = 0; y < end_y; y += step1d) { + uint8_t *ptr = dst; + for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d, n += step) { + int eob = b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n]; + + if (eob) + s->dsp.itxfm_add[tx][DCT_DCT](ptr, s->y_stride, + s->block + 16 * n, eob); + } + dst += 4 * s->y_stride * step1d; + } + + // uv itxfm add + end_x >>= 1; + end_y >>= 1; + step = 1 << (b->uvtx * 2); + for (p = 0; p < 2; p++) { + dst = s->dst[p + 1]; + for (n = 0, y = 0; y < end_y; y += uvstep1d) { + uint8_t *ptr = dst; + for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d, n += step) { + int eob = b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n]) : s->uveob[p][n]; + + if (eob) + s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, s->uv_stride, + s->uvblock[p] + 16 * n, eob); + } + dst += 4 * uvstep1d * s->uv_stride; + } + } + } +} + +static av_always_inline void mask_edges(struct VP9Filter *lflvl, int is_uv, + int row_and_7, int col_and_7, + int w, int h, int col_end, int row_end, + enum TxfmMode tx, int skip_inter) +{ + // FIXME I'm pretty sure all loops can be replaced by a single LUT if + // we make VP9Filter.mask uint64_t (i.e. row/col all single variable) + // and make the LUT 5-indexed (bl, bp, is_uv, tx and row/col), and then + // use row_and_7/col_and_7 as shifts (1*col_and_7+8*row_and_7) + + // the intended behaviour of the vp9 loopfilter is to work on 8-pixel + // edges. This means that for UV, we work on two subsampled blocks at + // a time, and we only use the topleft block's mode information to set + // things like block strength. Thus, for any block size smaller than + // 16x16, ignore the odd portion of the block. + if (tx == TX_4X4 && is_uv) { + if (h == 1) { + if (row_and_7 & 1) + return; + if (!row_end) + h += 1; + } + if (w == 1) { + if (col_and_7 & 1) + return; + if (!col_end) + w += 1; + } + } + + if (tx == TX_4X4 && !skip_inter) { + int t = 1 << col_and_7, m_col = (t << w) - t, y; + int m_col_odd = (t << (w - 1)) - t; + + // on 32-px edges, use the 8-px wide loopfilter; else, use 4-px wide + if (is_uv) { + int m_row_8 = m_col & 0x01, m_row_4 = m_col - m_row_8; + + for (y = row_and_7; y < h + row_and_7; y++) { + int col_mask_id = 2 - !(y & 7); + + lflvl->mask[is_uv][0][y][1] |= m_row_8; + lflvl->mask[is_uv][0][y][2] |= m_row_4; + // for odd lines, if the odd col is not being filtered, + // skip odd row also: + // .---. <-- a + // | | + // |___| <-- b + // ^ ^ + // c d + // + // if a/c are even row/col and b/d are odd, and d is skipped, + // e.g. right edge of size-66x66.webm, then skip b also (bug) + if ((col_end & 1) && (y & 1)) { + lflvl->mask[is_uv][1][y][col_mask_id] |= m_col_odd; + } else { + lflvl->mask[is_uv][1][y][col_mask_id] |= m_col; + } + } + } else { + int m_row_8 = m_col & 0x11, m_row_4 = m_col - m_row_8; + + for (y = row_and_7; y < h + row_and_7; y++) { + int col_mask_id = 2 - !(y & 3); + + lflvl->mask[is_uv][0][y][1] |= m_row_8; // row edge + lflvl->mask[is_uv][0][y][2] |= m_row_4; + lflvl->mask[is_uv][1][y][col_mask_id] |= m_col; // col edge + lflvl->mask[is_uv][0][y][3] |= m_col; + lflvl->mask[is_uv][1][y][3] |= m_col; + } + } + } else { + int y, t = 1 << col_and_7, m_col = (t << w) - t; + + if (!skip_inter) { + int mask_id = (tx == TX_8X8); + int l2 = tx + is_uv - 1, step1d = 1 << l2; + static const unsigned masks[4] = { 0xff, 0x55, 0x11, 0x01 }; + int m_row = m_col & masks[l2]; + + // at odd UV col/row edges tx16/tx32 loopfilter edges, force + // 8wd loopfilter to prevent going off the visible edge. + if (is_uv && tx > TX_8X8 && (w ^ (w - 1)) == 1) { + int m_row_16 = ((t << (w - 1)) - t) & masks[l2]; + int m_row_8 = m_row - m_row_16; + + for (y = row_and_7; y < h + row_and_7; y++) { + lflvl->mask[is_uv][0][y][0] |= m_row_16; + lflvl->mask[is_uv][0][y][1] |= m_row_8; + } + } else { + for (y = row_and_7; y < h + row_and_7; y++) + lflvl->mask[is_uv][0][y][mask_id] |= m_row; + } + + if (is_uv && tx > TX_8X8 && (h ^ (h - 1)) == 1) { + for (y = row_and_7; y < h + row_and_7 - 1; y += step1d) + lflvl->mask[is_uv][1][y][0] |= m_col; + if (y - row_and_7 == h - 1) + lflvl->mask[is_uv][1][y][1] |= m_col; + } else { + for (y = row_and_7; y < h + row_and_7; y += step1d) + lflvl->mask[is_uv][1][y][mask_id] |= m_col; + } + } else if (tx != TX_4X4) { + int mask_id; + + mask_id = (tx == TX_8X8) || (is_uv && h == 1); + lflvl->mask[is_uv][1][row_and_7][mask_id] |= m_col; + mask_id = (tx == TX_8X8) || (is_uv && w == 1); + for (y = row_and_7; y < h + row_and_7; y++) + lflvl->mask[is_uv][0][y][mask_id] |= t; + } else if (is_uv) { + int t8 = t & 0x01, t4 = t - t8; + + for (y = row_and_7; y < h + row_and_7; y++) { + lflvl->mask[is_uv][0][y][2] |= t4; + lflvl->mask[is_uv][0][y][1] |= t8; + } + lflvl->mask[is_uv][1][row_and_7][2 - !(row_and_7 & 7)] |= m_col; + } else { + int t8 = t & 0x11, t4 = t - t8; + + for (y = row_and_7; y < h + row_and_7; y++) { + lflvl->mask[is_uv][0][y][2] |= t4; + lflvl->mask[is_uv][0][y][1] |= t8; + } + lflvl->mask[is_uv][1][row_and_7][2 - !(row_and_7 & 3)] |= m_col; + } + } +} + +static void decode_b(AVCodecContext *ctx, int row, int col, + struct VP9Filter *lflvl, ptrdiff_t yoff, ptrdiff_t uvoff, + enum BlockLevel bl, enum BlockPartition bp) +{ + VP9Context *s = ctx->priv_data; + VP9Block *b = s->b; + enum BlockSize bs = bl * 3 + bp; + int w4 = bwh_tab[1][bs][0], h4 = bwh_tab[1][bs][1], lvl; + int emu[2]; + AVFrame *f = s->frames[CUR_FRAME].tf.f; + + s->row = row; + s->row7 = row & 7; + s->col = col; + s->col7 = col & 7; + s->min_mv.x = -(128 + col * 64); + s->min_mv.y = -(128 + row * 64); + s->max_mv.x = 128 + (s->cols - col - w4) * 64; + s->max_mv.y = 128 + (s->rows - row - h4) * 64; + if (s->pass < 2) { + b->bs = bs; + b->bl = bl; + b->bp = bp; + decode_mode(ctx); + b->uvtx = b->tx - (w4 * 2 == (1 << b->tx) || h4 * 2 == (1 << b->tx)); + + if (!b->skip) { + decode_coeffs(ctx); + } else { + int row7 = s->row7; + +#define SPLAT_ZERO_CTX(v, n) \ + switch (n) { \ + case 1: v = 0; break; \ + case 2: AV_ZERO16(&v); break; \ + case 4: AV_ZERO32(&v); break; \ + case 8: AV_ZERO64(&v); break; \ + case 16: AV_ZERO128(&v); break; \ + } +#define SPLAT_ZERO_YUV(dir, var, off, n) \ + do { \ + SPLAT_ZERO_CTX(s->dir##_y_##var[off * 2], n * 2); \ + SPLAT_ZERO_CTX(s->dir##_uv_##var[0][off], n); \ + SPLAT_ZERO_CTX(s->dir##_uv_##var[1][off], n); \ + } while (0) + + switch (w4) { + case 1: SPLAT_ZERO_YUV(above, nnz_ctx, col, 1); break; + case 2: SPLAT_ZERO_YUV(above, nnz_ctx, col, 2); break; + case 4: SPLAT_ZERO_YUV(above, nnz_ctx, col, 4); break; + case 8: SPLAT_ZERO_YUV(above, nnz_ctx, col, 8); break; + } + switch (h4) { + case 1: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 1); break; + case 2: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 2); break; + case 4: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 4); break; + case 8: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 8); break; + } + } + if (s->pass == 1) { + s->b++; + s->block += w4 * h4 * 64; + s->uvblock[0] += w4 * h4 * 16; + s->uvblock[1] += w4 * h4 * 16; + s->eob += 4 * w4 * h4; + s->uveob[0] += w4 * h4; + s->uveob[1] += w4 * h4; + + return; + } + } + + // emulated overhangs if the stride of the target buffer can't hold. This + // allows to support emu-edge and so on even if we have large block + // overhangs + emu[0] = (col + w4) * 8 > f->linesize[0] || + (row + h4) > s->rows; + emu[1] = (col + w4) * 4 > f->linesize[1] || + (row + h4) > s->rows; + if (emu[0]) { + s->dst[0] = s->tmp_y; + s->y_stride = 64; + } else { + s->dst[0] = f->data[0] + yoff; + s->y_stride = f->linesize[0]; + } + if (emu[1]) { + s->dst[1] = s->tmp_uv[0]; + s->dst[2] = s->tmp_uv[1]; + s->uv_stride = 32; + } else { + s->dst[1] = f->data[1] + uvoff; + s->dst[2] = f->data[2] + uvoff; + s->uv_stride = f->linesize[1]; + } + if (b->intra) { + intra_recon(ctx, yoff, uvoff); + } else { + inter_recon(ctx); + } + if (emu[0]) { + int w = FFMIN(s->cols - col, w4) * 8, h = FFMIN(s->rows - row, h4) * 8, n, o = 0; + + for (n = 0; o < w; n++) { + int bw = 64 >> n; + + av_assert2(n <= 4); + if (w & bw) { + s->dsp.mc[n][0][0][0][0](f->data[0] + yoff + o, f->linesize[0], + s->tmp_y + o, 64, h, 0, 0); + o += bw; + } + } + } + if (emu[1]) { + int w = FFMIN(s->cols - col, w4) * 4, h = FFMIN(s->rows - row, h4) * 4, n, o = 0; + + for (n = 1; o < w; n++) { + int bw = 64 >> n; + + av_assert2(n <= 4); + if (w & bw) { + s->dsp.mc[n][0][0][0][0](f->data[1] + uvoff + o, f->linesize[1], + s->tmp_uv[0] + o, 32, h, 0, 0); + s->dsp.mc[n][0][0][0][0](f->data[2] + uvoff + o, f->linesize[2], + s->tmp_uv[1] + o, 32, h, 0, 0); + o += bw; + } + } + } + + // pick filter level and find edges to apply filter to + if (s->filter.level && + (lvl = s->segmentation.feat[b->seg_id].lflvl[b->intra ? 0 : b->ref[0] + 1] + [b->mode[3] != ZEROMV]) > 0) { + int x_end = FFMIN(s->cols - col, w4), y_end = FFMIN(s->rows - row, h4); + int skip_inter = !b->intra && b->skip, col7 = s->col7, row7 = s->row7; + + setctx_2d(&lflvl->level[row7 * 8 + col7], w4, h4, 8, lvl); + mask_edges(lflvl, 0, row7, col7, x_end, y_end, 0, 0, b->tx, skip_inter); + mask_edges(lflvl, 1, row7, col7, x_end, y_end, + s->cols & 1 && col + w4 >= s->cols ? s->cols & 7 : 0, + s->rows & 1 && row + h4 >= s->rows ? s->rows & 7 : 0, + b->uvtx, skip_inter); + + if (!s->filter.lim_lut[lvl]) { + int sharp = s->filter.sharpness; + int limit = lvl; + + if (sharp > 0) { + limit >>= (sharp + 3) >> 2; + limit = FFMIN(limit, 9 - sharp); + } + limit = FFMAX(limit, 1); + + s->filter.lim_lut[lvl] = limit; + s->filter.mblim_lut[lvl] = 2 * (lvl + 2) + limit; + } + } + + if (s->pass == 2) { + s->b++; + s->block += w4 * h4 * 64; + s->uvblock[0] += w4 * h4 * 16; + s->uvblock[1] += w4 * h4 * 16; + s->eob += 4 * w4 * h4; + s->uveob[0] += w4 * h4; + s->uveob[1] += w4 * h4; + } +} + +static void decode_sb(AVCodecContext *ctx, int row, int col, struct VP9Filter *lflvl, + ptrdiff_t yoff, ptrdiff_t uvoff, enum BlockLevel bl) +{ + VP9Context *s = ctx->priv_data; + int c = ((s->above_partition_ctx[col] >> (3 - bl)) & 1) | (((s->left_partition_ctx[row & 0x7] >> (3 - bl)) & 1) << 1); - int ret; - const uint8_t *p = s->keyframe ? ff_vp9_default_kf_partition_probs[bl][c] - : s->prob.p.partition[bl][c]; + const uint8_t *p = s->keyframe ? vp9_default_kf_partition_probs[bl][c] : + s->prob.p.partition[bl][c]; enum BlockPartition bp; ptrdiff_t hbs = 4 >> bl; + AVFrame *f = s->frames[CUR_FRAME].tf.f; + ptrdiff_t y_stride = f->linesize[0], uv_stride = f->linesize[1]; if (bl == BL_8X8) { - bp = vp8_rac_get_tree(&s->c, ff_vp9_partition_tree, p); - ret = ff_vp9_decode_block(avctx, row, col, lflvl, yoff, uvoff, bl, bp); - } else if (col + hbs < s->cols) { - if (row + hbs < s->rows) { - bp = vp8_rac_get_tree(&s->c, ff_vp9_partition_tree, p); + bp = vp8_rac_get_tree(&s->c, vp9_partition_tree, p); + decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp); + } else if (col + hbs < s->cols) { // FIXME why not <=? + if (row + hbs < s->rows) { // FIXME why not <=? + bp = vp8_rac_get_tree(&s->c, vp9_partition_tree, p); switch (bp) { case PARTITION_NONE: - ret = ff_vp9_decode_block(avctx, row, col, lflvl, yoff, uvoff, - bl, bp); + decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp); break; case PARTITION_H: - ret = ff_vp9_decode_block(avctx, row, col, lflvl, yoff, uvoff, - bl, bp); - if (!ret) { - yoff += hbs * 8 * s->cur_frame->linesize[0]; - uvoff += hbs * 4 * s->cur_frame->linesize[1]; - ret = ff_vp9_decode_block(avctx, row + hbs, col, lflvl, - yoff, uvoff, bl, bp); - } + decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp); + yoff += hbs * 8 * y_stride; + uvoff += hbs * 4 * uv_stride; + decode_b(ctx, row + hbs, col, lflvl, yoff, uvoff, bl, bp); break; case PARTITION_V: - ret = ff_vp9_decode_block(avctx, row, col, lflvl, yoff, uvoff, - bl, bp); - if (!ret) { - yoff += hbs * 8; - uvoff += hbs * 4; - ret = ff_vp9_decode_block(avctx, row, col + hbs, lflvl, - yoff, uvoff, bl, bp); - } + decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp); + yoff += hbs * 8; + uvoff += hbs * 4; + decode_b(ctx, row, col + hbs, lflvl, yoff, uvoff, bl, bp); break; case PARTITION_SPLIT: - ret = decode_subblock(avctx, row, col, lflvl, - yoff, uvoff, bl + 1); - if (!ret) { - ret = decode_subblock(avctx, row, col + hbs, lflvl, - yoff + 8 * hbs, uvoff + 4 * hbs, - bl + 1); - if (!ret) { - yoff += hbs * 8 * s->cur_frame->linesize[0]; - uvoff += hbs * 4 * s->cur_frame->linesize[1]; - ret = decode_subblock(avctx, row + hbs, col, lflvl, - yoff, uvoff, bl + 1); - if (!ret) { - ret = decode_subblock(avctx, row + hbs, col + hbs, - lflvl, yoff + 8 * hbs, - uvoff + 4 * hbs, bl + 1); - } - } - } + decode_sb(ctx, row, col, lflvl, yoff, uvoff, bl + 1); + decode_sb(ctx, row, col + hbs, lflvl, + yoff + 8 * hbs, uvoff + 4 * hbs, bl + 1); + yoff += hbs * 8 * y_stride; + uvoff += hbs * 4 * uv_stride; + decode_sb(ctx, row + hbs, col, lflvl, yoff, uvoff, bl + 1); + decode_sb(ctx, row + hbs, col + hbs, lflvl, + yoff + 8 * hbs, uvoff + 4 * hbs, bl + 1); break; default: - av_log(avctx, AV_LOG_ERROR, "Unexpected partition %d.", bp); - return AVERROR_INVALIDDATA; + av_assert0(0); } } else if (vp56_rac_get_prob_branchy(&s->c, p[1])) { - bp = PARTITION_SPLIT; - ret = decode_subblock(avctx, row, col, lflvl, yoff, uvoff, bl + 1); - if (!ret) - ret = decode_subblock(avctx, row, col + hbs, lflvl, - yoff + 8 * hbs, uvoff + 4 * hbs, bl + 1); + bp = PARTITION_SPLIT; + decode_sb(ctx, row, col, lflvl, yoff, uvoff, bl + 1); + decode_sb(ctx, row, col + hbs, lflvl, + yoff + 8 * hbs, uvoff + 4 * hbs, bl + 1); } else { - bp = PARTITION_H; - ret = ff_vp9_decode_block(avctx, row, col, lflvl, yoff, uvoff, - bl, bp); + bp = PARTITION_H; + decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp); } - } else if (row + hbs < s->rows) { + } else if (row + hbs < s->rows) { // FIXME why not <=? if (vp56_rac_get_prob_branchy(&s->c, p[2])) { - bp = PARTITION_SPLIT; - ret = decode_subblock(avctx, row, col, lflvl, yoff, uvoff, bl + 1); - if (!ret) { - yoff += hbs * 8 * s->cur_frame->linesize[0]; - uvoff += hbs * 4 * s->cur_frame->linesize[1]; - ret = decode_subblock(avctx, row + hbs, col, lflvl, - yoff, uvoff, bl + 1); - } + bp = PARTITION_SPLIT; + decode_sb(ctx, row, col, lflvl, yoff, uvoff, bl + 1); + yoff += hbs * 8 * y_stride; + uvoff += hbs * 4 * uv_stride; + decode_sb(ctx, row + hbs, col, lflvl, yoff, uvoff, bl + 1); } else { - bp = PARTITION_V; - ret = ff_vp9_decode_block(avctx, row, col, lflvl, yoff, uvoff, - bl, bp); + bp = PARTITION_V; + decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp); } } else { - bp = PARTITION_SPLIT; - ret = decode_subblock(avctx, row, col, lflvl, yoff, uvoff, bl + 1); + bp = PARTITION_SPLIT; + decode_sb(ctx, row, col, lflvl, yoff, uvoff, bl + 1); } s->counts.partition[bl][c][bp]++; +} + +static void decode_sb_mem(AVCodecContext *ctx, int row, int col, struct VP9Filter *lflvl, + ptrdiff_t yoff, ptrdiff_t uvoff, enum BlockLevel bl) +{ + VP9Context *s = ctx->priv_data; + VP9Block *b = s->b; + ptrdiff_t hbs = 4 >> bl; + AVFrame *f = s->frames[CUR_FRAME].tf.f; + ptrdiff_t y_stride = f->linesize[0], uv_stride = f->linesize[1]; - return ret; + if (bl == BL_8X8) { + av_assert2(b->bl == BL_8X8); + decode_b(ctx, row, col, lflvl, yoff, uvoff, b->bl, b->bp); + } else if (s->b->bl == bl) { + decode_b(ctx, row, col, lflvl, yoff, uvoff, b->bl, b->bp); + if (b->bp == PARTITION_H && row + hbs < s->rows) { + yoff += hbs * 8 * y_stride; + uvoff += hbs * 4 * uv_stride; + decode_b(ctx, row + hbs, col, lflvl, yoff, uvoff, b->bl, b->bp); + } else if (b->bp == PARTITION_V && col + hbs < s->cols) { + yoff += hbs * 8; + uvoff += hbs * 4; + decode_b(ctx, row, col + hbs, lflvl, yoff, uvoff, b->bl, b->bp); + } + } else { + decode_sb_mem(ctx, row, col, lflvl, yoff, uvoff, bl + 1); + if (col + hbs < s->cols) { // FIXME why not <=? + if (row + hbs < s->rows) { + decode_sb_mem(ctx, row, col + hbs, lflvl, yoff + 8 * hbs, + uvoff + 4 * hbs, bl + 1); + yoff += hbs * 8 * y_stride; + uvoff += hbs * 4 * uv_stride; + decode_sb_mem(ctx, row + hbs, col, lflvl, yoff, uvoff, bl + 1); + decode_sb_mem(ctx, row + hbs, col + hbs, lflvl, + yoff + 8 * hbs, uvoff + 4 * hbs, bl + 1); + } else { + yoff += hbs * 8; + uvoff += hbs * 4; + decode_sb_mem(ctx, row, col + hbs, lflvl, yoff, uvoff, bl + 1); + } + } else if (row + hbs < s->rows) { + yoff += hbs * 8 * y_stride; + uvoff += hbs * 4 * uv_stride; + decode_sb_mem(ctx, row + hbs, col, lflvl, yoff, uvoff, bl + 1); + } + } } -static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, - int row, int col, - ptrdiff_t yoff, ptrdiff_t uvoff) +static void loopfilter_sb(AVCodecContext *ctx, struct VP9Filter *lflvl, + int row, int col, ptrdiff_t yoff, ptrdiff_t uvoff) { - VP9Context *s = avctx->priv_data; - uint8_t *dst = s->cur_frame->data[0] + yoff, *lvl = lflvl->level; - ptrdiff_t ls_y = s->cur_frame->linesize[0], ls_uv = s->cur_frame->linesize[1]; + VP9Context *s = ctx->priv_data; + AVFrame *f = s->frames[CUR_FRAME].tf.f; + uint8_t *dst = f->data[0] + yoff, *lvl = lflvl->level; + ptrdiff_t ls_y = f->linesize[0], ls_uv = f->linesize[1]; int y, x, p; - /* FIXME: In how far can we interleave the v/h loopfilter calls? E.g. - * if you think of them as acting on a 8x8 block max, we can interleave - * each v/h within the single x loop, but that only works if we work on - * 8 pixel blocks, and we won't always do that (we want at least 16px - * to use SSE2 optimizations, perhaps 32 for AVX2). */ + // FIXME in how far can we interleave the v/h loopfilter calls? E.g. + // if you think of them as acting on a 8x8 block max, we can interleave + // each v/h within the single x loop, but that only works if we work on + // 8 pixel blocks, and we won't always do that (we want at least 16px + // to use SSE2 optimizations, perhaps 32 for AVX2) // filter edges between columns, Y plane (e.g. block1 | block2) for (y = 0; y < 8; y += 2, dst += 16 * ls_y, lvl += 16) { @@ -776,7 +3243,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, uint8_t *hmask2 = lflvl->mask[0][0][y + 1]; unsigned hm1 = hmask1[0] | hmask1[1] | hmask1[2], hm13 = hmask1[3]; unsigned hm2 = hmask2[1] | hmask2[2], hm23 = hmask2[3]; - unsigned hm = hm1 | hm2 | hm13 | hm23; + unsigned hm = hm1 | hm2 | hm13 | hm23; for (x = 1; hm & ~(x - 1); x <<= 1, ptr += 8, l++) { if (hm1 & x) { @@ -792,7 +3259,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, s->dsp.loop_filter_8[2][0](ptr, ls_y, E, I, H); } } else if (hm2 & x) { - L = l[8]; + L = l[8]; H |= (L >> 4) << 8; E |= s->filter.mblim_lut[L] << 8; I |= s->filter.lim_lut[L] << 8; @@ -818,7 +3285,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, int E = s->filter.mblim_lut[L], I = s->filter.lim_lut[L]; if (hm23 & x) { - L = l[8]; + L = l[8]; H |= (L >> 4) << 8; E |= s->filter.mblim_lut[L] << 8; I |= s->filter.lim_lut[L] << 8; @@ -838,7 +3305,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, // block1 // filter edges between rows, Y plane (e.g. ------) // block2 - dst = s->cur_frame->data[0] + yoff; + dst = f->data[0] + yoff; lvl = lflvl->level; for (y = 0; y < 8; y++, dst += 8 * ls_y, lvl += 8) { uint8_t *ptr = dst, *l = lvl, *vmask = lflvl->mask[0][1][y]; @@ -858,7 +3325,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, s->dsp.loop_filter_8[2][1](ptr, ls_y, E, I, H); } } else if (vm & (x << 1)) { - L = l[1]; + L = l[1]; H |= (L >> 4) << 8; E |= s->filter.mblim_lut[L] << 8; I |= s->filter.lim_lut[L] << 8; @@ -882,7 +3349,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, int E = s->filter.mblim_lut[L], I = s->filter.lim_lut[L]; if (vm3 & (x << 1)) { - L = l[1]; + L = l[1]; H |= (L >> 4) << 8; E |= s->filter.mblim_lut[L] << 8; I |= s->filter.lim_lut[L] << 8; @@ -902,7 +3369,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, // same principle but for U/V planes for (p = 0; p < 2; p++) { lvl = lflvl->level; - dst = s->cur_frame->data[1 + p] + uvoff; + dst = f->data[1 + p] + uvoff; for (y = 0; y < 8; y += 4, dst += 16 * ls_uv, lvl += 32) { uint8_t *ptr = dst, *l = lvl, *hmask1 = lflvl->mask[1][0][y]; uint8_t *hmask2 = lflvl->mask[1][0][y + 2]; @@ -913,8 +3380,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, if (col || x > 1) { if (hm1 & x) { int L = *l, H = L >> 4; - int E = s->filter.mblim_lut[L]; - int I = s->filter.lim_lut[L]; + int E = s->filter.mblim_lut[L], I = s->filter.lim_lut[L]; if (hmask1[0] & x) { if (hmask2[0] & x) { @@ -924,7 +3390,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, s->dsp.loop_filter_8[2][0](ptr, ls_uv, E, I, H); } } else if (hm2 & x) { - L = l[16]; + L = l[16]; H |= (L >> 4) << 8; E |= s->filter.mblim_lut[L] << 8; I |= s->filter.lim_lut[L] << 8; @@ -937,8 +3403,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, } } else if (hm2 & x) { int L = l[16], H = L >> 4; - int E = s->filter.mblim_lut[L]; - int I = s->filter.lim_lut[L]; + int E = s->filter.mblim_lut[L], I = s->filter.lim_lut[L]; s->dsp.loop_filter_8[!!(hmask2[1] & x)] [0](ptr + 8 * ls_uv, ls_uv, E, I, H); @@ -949,7 +3414,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, } } lvl = lflvl->level; - dst = s->cur_frame->data[1 + p] + uvoff; + dst = f->data[1 + p] + uvoff; for (y = 0; y < 8; y++, dst += 4 * ls_uv) { uint8_t *ptr = dst, *l = lvl, *vmask = lflvl->mask[1][1][y]; unsigned vm = vmask[0] | vmask[1] | vmask[2]; @@ -958,8 +3423,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, if (row || y) { if (vm & x) { int L = *l, H = L >> 4; - int E = s->filter.mblim_lut[L]; - int I = s->filter.lim_lut[L]; + int E = s->filter.mblim_lut[L], I = s->filter.lim_lut[L]; if (vmask[0] & x) { if (vmask[0] & (x << 2)) { @@ -969,7 +3433,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, s->dsp.loop_filter_8[2][1](ptr, ls_uv, E, I, H); } } else if (vm & (x << 2)) { - L = l[2]; + L = l[2]; H |= (L >> 4) << 8; E |= s->filter.mblim_lut[L] << 8; I |= s->filter.lim_lut[L] << 8; @@ -982,8 +3446,7 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, } } else if (vm & (x << 2)) { int L = l[2], H = L >> 4; - int E = s->filter.mblim_lut[L]; - int I = s->filter.lim_lut[L]; + int E = s->filter.mblim_lut[L], I = s->filter.lim_lut[L]; s->dsp.loop_filter_8[!!(vmask[1] & (x << 2))] [1](ptr + 8, ls_uv, E, I, H); @@ -998,294 +3461,639 @@ static void loopfilter_subblock(AVCodecContext *avctx, VP9Filter *lflvl, static void set_tile_offset(int *start, int *end, int idx, int log2_n, int n) { - int sb_start = (idx * n) >> log2_n; + int sb_start = ( idx * n) >> log2_n; int sb_end = ((idx + 1) * n) >> log2_n; *start = FFMIN(sb_start, n) << 3; *end = FFMIN(sb_end, n) << 3; } -static int vp9_decode_frame(AVCodecContext *avctx, AVFrame *frame, - int *got_frame, const uint8_t *data, int size) +static av_always_inline void adapt_prob(uint8_t *p, unsigned ct0, unsigned ct1, + int max_count, int update_factor) { - VP9Context *s = avctx->priv_data; - int ret, tile_row, tile_col, i, ref = -1, row, col; - ptrdiff_t yoff = 0, uvoff = 0; + unsigned ct = ct0 + ct1, p2, p1; - ret = decode_frame_header(avctx, data, size, &ref); - if (ret < 0) { - return ret; - } else if (!ret) { - if (!s->refs[ref]->buf[0]) { - av_log(avctx, AV_LOG_ERROR, - "Requested reference %d not available\n", ref); - return AVERROR_INVALIDDATA; + if (!ct) + return; + + p1 = *p; + p2 = ((ct0 << 8) + (ct >> 1)) / ct; + p2 = av_clip(p2, 1, 255); + ct = FFMIN(ct, max_count); + update_factor = FASTDIV(update_factor * ct, max_count); + + // (p1 * (256 - update_factor) + p2 * update_factor + 128) >> 8 + *p = p1 + (((p2 - p1) * update_factor + 128) >> 8); +} + +static void adapt_probs(VP9Context *s) +{ + int i, j, k, l, m; + prob_context *p = &s->prob_ctx[s->framectxid].p; + int uf = (s->keyframe || s->intraonly || !s->last_keyframe) ? 112 : 128; + + // coefficients + for (i = 0; i < 4; i++) + for (j = 0; j < 2; j++) + for (k = 0; k < 2; k++) + for (l = 0; l < 6; l++) + for (m = 0; m < 6; m++) { + uint8_t *pp = s->prob_ctx[s->framectxid].coef[i][j][k][l][m]; + unsigned *e = s->counts.eob[i][j][k][l][m]; + unsigned *c = s->counts.coef[i][j][k][l][m]; + + if (l == 0 && m >= 3) // dc only has 3 pt + break; + + adapt_prob(&pp[0], e[0], e[1], 24, uf); + adapt_prob(&pp[1], c[0], c[1] + c[2], 24, uf); + adapt_prob(&pp[2], c[1], c[2], 24, uf); + } + + if (s->keyframe || s->intraonly) { + memcpy(p->skip, s->prob.p.skip, sizeof(p->skip)); + memcpy(p->tx32p, s->prob.p.tx32p, sizeof(p->tx32p)); + memcpy(p->tx16p, s->prob.p.tx16p, sizeof(p->tx16p)); + memcpy(p->tx8p, s->prob.p.tx8p, sizeof(p->tx8p)); + return; + } + + // skip flag + for (i = 0; i < 3; i++) + adapt_prob(&p->skip[i], s->counts.skip[i][0], s->counts.skip[i][1], 20, 128); + + // intra/inter flag + for (i = 0; i < 4; i++) + adapt_prob(&p->intra[i], s->counts.intra[i][0], s->counts.intra[i][1], 20, 128); + + // comppred flag + if (s->comppredmode == PRED_SWITCHABLE) { + for (i = 0; i < 5; i++) + adapt_prob(&p->comp[i], s->counts.comp[i][0], s->counts.comp[i][1], 20, 128); + } + + // reference frames + if (s->comppredmode != PRED_SINGLEREF) { + for (i = 0; i < 5; i++) + adapt_prob(&p->comp_ref[i], s->counts.comp_ref[i][0], + s->counts.comp_ref[i][1], 20, 128); + } + + if (s->comppredmode != PRED_COMPREF) { + for (i = 0; i < 5; i++) { + uint8_t *pp = p->single_ref[i]; + unsigned (*c)[2] = s->counts.single_ref[i]; + + adapt_prob(&pp[0], c[0][0], c[0][1], 20, 128); + adapt_prob(&pp[1], c[1][0], c[1][1], 20, 128); + } + } + + // block partitioning + for (i = 0; i < 4; i++) + for (j = 0; j < 4; j++) { + uint8_t *pp = p->partition[i][j]; + unsigned *c = s->counts.partition[i][j]; + + adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128); + adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128); + adapt_prob(&pp[2], c[2], c[3], 20, 128); } - ret = av_frame_ref(frame, s->refs[ref]); - if (ret < 0) - return ret; + // tx size + if (s->txfmmode == TX_SWITCHABLE) { + for (i = 0; i < 2; i++) { + unsigned *c16 = s->counts.tx16p[i], *c32 = s->counts.tx32p[i]; + + adapt_prob(&p->tx8p[i], s->counts.tx8p[i][0], s->counts.tx8p[i][1], 20, 128); + adapt_prob(&p->tx16p[i][0], c16[0], c16[1] + c16[2], 20, 128); + adapt_prob(&p->tx16p[i][1], c16[1], c16[2], 20, 128); + adapt_prob(&p->tx32p[i][0], c32[0], c32[1] + c32[2] + c32[3], 20, 128); + adapt_prob(&p->tx32p[i][1], c32[1], c32[2] + c32[3], 20, 128); + adapt_prob(&p->tx32p[i][2], c32[2], c32[3], 20, 128); + } + } + + // interpolation filter + if (s->filtermode == FILTER_SWITCHABLE) { + for (i = 0; i < 4; i++) { + uint8_t *pp = p->filter[i]; + unsigned *c = s->counts.filter[i]; + + adapt_prob(&pp[0], c[0], c[1] + c[2], 20, 128); + adapt_prob(&pp[1], c[1], c[2], 20, 128); + } + } + + // inter modes + for (i = 0; i < 7; i++) { + uint8_t *pp = p->mv_mode[i]; + unsigned *c = s->counts.mv_mode[i]; + + adapt_prob(&pp[0], c[2], c[1] + c[0] + c[3], 20, 128); + adapt_prob(&pp[1], c[0], c[1] + c[3], 20, 128); + adapt_prob(&pp[2], c[1], c[3], 20, 128); + } + + // mv joints + { + uint8_t *pp = p->mv_joint; + unsigned *c = s->counts.mv_joint; + + adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128); + adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128); + adapt_prob(&pp[2], c[2], c[3], 20, 128); + } + + // mv components + for (i = 0; i < 2; i++) { + uint8_t *pp; + unsigned *c, (*c2)[2], sum; + + adapt_prob(&p->mv_comp[i].sign, s->counts.mv_comp[i].sign[0], + s->counts.mv_comp[i].sign[1], 20, 128); + + pp = p->mv_comp[i].classes; + c = s->counts.mv_comp[i].classes; + sum = c[1] + c[2] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9] + c[10]; + adapt_prob(&pp[0], c[0], sum, 20, 128); + sum -= c[1]; + adapt_prob(&pp[1], c[1], sum, 20, 128); + sum -= c[2] + c[3]; + adapt_prob(&pp[2], c[2] + c[3], sum, 20, 128); + adapt_prob(&pp[3], c[2], c[3], 20, 128); + sum -= c[4] + c[5]; + adapt_prob(&pp[4], c[4] + c[5], sum, 20, 128); + adapt_prob(&pp[5], c[4], c[5], 20, 128); + sum -= c[6]; + adapt_prob(&pp[6], c[6], sum, 20, 128); + adapt_prob(&pp[7], c[7] + c[8], c[9] + c[10], 20, 128); + adapt_prob(&pp[8], c[7], c[8], 20, 128); + adapt_prob(&pp[9], c[9], c[10], 20, 128); + + adapt_prob(&p->mv_comp[i].class0, s->counts.mv_comp[i].class0[0], + s->counts.mv_comp[i].class0[1], 20, 128); + pp = p->mv_comp[i].bits; + c2 = s->counts.mv_comp[i].bits; + for (j = 0; j < 10; j++) + adapt_prob(&pp[j], c2[j][0], c2[j][1], 20, 128); + + for (j = 0; j < 2; j++) { + pp = p->mv_comp[i].class0_fp[j]; + c = s->counts.mv_comp[i].class0_fp[j]; + adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128); + adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128); + adapt_prob(&pp[2], c[2], c[3], 20, 128); + } + pp = p->mv_comp[i].fp; + c = s->counts.mv_comp[i].fp; + adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128); + adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128); + adapt_prob(&pp[2], c[2], c[3], 20, 128); + + if (s->highprecisionmvs) { + adapt_prob(&p->mv_comp[i].class0_hp, s->counts.mv_comp[i].class0_hp[0], + s->counts.mv_comp[i].class0_hp[1], 20, 128); + adapt_prob(&p->mv_comp[i].hp, s->counts.mv_comp[i].hp[0], + s->counts.mv_comp[i].hp[1], 20, 128); + } + } + + // y intra modes + for (i = 0; i < 4; i++) { + uint8_t *pp = p->y_mode[i]; + unsigned *c = s->counts.y_mode[i], sum, s2; + + sum = c[0] + c[1] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9]; + adapt_prob(&pp[0], c[DC_PRED], sum, 20, 128); + sum -= c[TM_VP8_PRED]; + adapt_prob(&pp[1], c[TM_VP8_PRED], sum, 20, 128); + sum -= c[VERT_PRED]; + adapt_prob(&pp[2], c[VERT_PRED], sum, 20, 128); + s2 = c[HOR_PRED] + c[DIAG_DOWN_RIGHT_PRED] + c[VERT_RIGHT_PRED]; + sum -= s2; + adapt_prob(&pp[3], s2, sum, 20, 128); + s2 -= c[HOR_PRED]; + adapt_prob(&pp[4], c[HOR_PRED], s2, 20, 128); + adapt_prob(&pp[5], c[DIAG_DOWN_RIGHT_PRED], c[VERT_RIGHT_PRED], 20, 128); + sum -= c[DIAG_DOWN_LEFT_PRED]; + adapt_prob(&pp[6], c[DIAG_DOWN_LEFT_PRED], sum, 20, 128); + sum -= c[VERT_LEFT_PRED]; + adapt_prob(&pp[7], c[VERT_LEFT_PRED], sum, 20, 128); + adapt_prob(&pp[8], c[HOR_DOWN_PRED], c[HOR_UP_PRED], 20, 128); + } + + // uv intra modes + for (i = 0; i < 10; i++) { + uint8_t *pp = p->uv_mode[i]; + unsigned *c = s->counts.uv_mode[i], sum, s2; + + sum = c[0] + c[1] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9]; + adapt_prob(&pp[0], c[DC_PRED], sum, 20, 128); + sum -= c[TM_VP8_PRED]; + adapt_prob(&pp[1], c[TM_VP8_PRED], sum, 20, 128); + sum -= c[VERT_PRED]; + adapt_prob(&pp[2], c[VERT_PRED], sum, 20, 128); + s2 = c[HOR_PRED] + c[DIAG_DOWN_RIGHT_PRED] + c[VERT_RIGHT_PRED]; + sum -= s2; + adapt_prob(&pp[3], s2, sum, 20, 128); + s2 -= c[HOR_PRED]; + adapt_prob(&pp[4], c[HOR_PRED], s2, 20, 128); + adapt_prob(&pp[5], c[DIAG_DOWN_RIGHT_PRED], c[VERT_RIGHT_PRED], 20, 128); + sum -= c[DIAG_DOWN_LEFT_PRED]; + adapt_prob(&pp[6], c[DIAG_DOWN_LEFT_PRED], sum, 20, 128); + sum -= c[VERT_LEFT_PRED]; + adapt_prob(&pp[7], c[VERT_LEFT_PRED], sum, 20, 128); + adapt_prob(&pp[8], c[HOR_DOWN_PRED], c[HOR_UP_PRED], 20, 128); + } +} + +static void free_buffers(VP9Context *s) +{ + av_freep(&s->intra_pred_data[0]); + av_freep(&s->b_base); + av_freep(&s->block_base); +} + +static av_cold int vp9_decode_free(AVCodecContext *ctx) +{ + VP9Context *s = ctx->priv_data; + int i; + + for (i = 0; i < 2; i++) { + if (s->frames[i].tf.f->data[0]) + vp9_unref_frame(ctx, &s->frames[i]); + av_frame_free(&s->frames[i].tf.f); + } + for (i = 0; i < 8; i++) { + if (s->refs[i].f->data[0]) + ff_thread_release_buffer(ctx, &s->refs[i]); + av_frame_free(&s->refs[i].f); + if (s->next_refs[i].f->data[0]) + ff_thread_release_buffer(ctx, &s->next_refs[i]); + av_frame_free(&s->next_refs[i].f); + } + free_buffers(s); + av_freep(&s->c_b); + s->c_b_size = 0; + + return 0; +} + + +static int vp9_decode_frame(AVCodecContext *ctx, void *frame, + int *got_frame, AVPacket *pkt) +{ + const uint8_t *data = pkt->data; + int size = pkt->size; + VP9Context *s = ctx->priv_data; + int res, tile_row, tile_col, i, ref, row, col; + ptrdiff_t yoff, uvoff, ls_y, ls_uv; + AVFrame *f; + + if ((res = decode_frame_header(ctx, data, size, &ref)) < 0) { + return res; + } else if (res == 0) { + if (!s->refs[ref].f->data[0]) { + av_log(ctx, AV_LOG_ERROR, "Requested reference %d not available\n", ref); + return AVERROR_INVALIDDATA; + } + if ((res = av_frame_ref(frame, s->refs[ref].f)) < 0) + return res; *got_frame = 1; return 0; } - data += ret; - size -= ret; + data += res; + size -= res; - s->cur_frame = frame; + if (s->frames[LAST_FRAME].tf.f->data[0]) + vp9_unref_frame(ctx, &s->frames[LAST_FRAME]); + if (!s->keyframe && s->frames[CUR_FRAME].tf.f->data[0] && + (res = vp9_ref_frame(ctx, &s->frames[LAST_FRAME], &s->frames[CUR_FRAME])) < 0) + return res; + if (s->frames[CUR_FRAME].tf.f->data[0]) + vp9_unref_frame(ctx, &s->frames[CUR_FRAME]); + if ((res = vp9_alloc_frame(ctx, &s->frames[CUR_FRAME])) < 0) + return res; + f = s->frames[CUR_FRAME].tf.f; + f->key_frame = s->keyframe; + f->pict_type = s->keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P; + ls_y = f->linesize[0]; + ls_uv =f->linesize[1]; - av_frame_unref(s->cur_frame); - if ((ret = ff_get_buffer(avctx, s->cur_frame, - s->refreshrefmask ? AV_GET_BUFFER_FLAG_REF : 0)) < 0) - return ret; - s->cur_frame->key_frame = s->keyframe; - s->cur_frame->pict_type = s->keyframe ? AV_PICTURE_TYPE_I - : AV_PICTURE_TYPE_P; + // ref frame setup + for (i = 0; i < 8; i++) { + if (s->next_refs[i].f->data[0]) + ff_thread_release_buffer(ctx, &s->next_refs[i]); + if (s->refreshrefmask & (1 << i)) { + res = ff_thread_ref_frame(&s->next_refs[i], &s->frames[CUR_FRAME].tf); + } else { + res = ff_thread_ref_frame(&s->next_refs[i], &s->refs[i]); + } + if (res < 0) + return res; + } if (s->fullrange) - avctx->color_range = AVCOL_RANGE_JPEG; + ctx->color_range = AVCOL_RANGE_JPEG; else - avctx->color_range = AVCOL_RANGE_MPEG; + ctx->color_range = AVCOL_RANGE_MPEG; switch (s->colorspace) { - case 1: avctx->colorspace = AVCOL_SPC_BT470BG; break; - case 2: avctx->colorspace = AVCOL_SPC_BT709; break; - case 3: avctx->colorspace = AVCOL_SPC_SMPTE170M; break; - case 4: avctx->colorspace = AVCOL_SPC_SMPTE240M; break; + case 1: ctx->colorspace = AVCOL_SPC_BT470BG; break; + case 2: ctx->colorspace = AVCOL_SPC_BT709; break; + case 3: ctx->colorspace = AVCOL_SPC_SMPTE170M; break; + case 4: ctx->colorspace = AVCOL_SPC_SMPTE240M; break; } // main tile decode loop memset(s->above_partition_ctx, 0, s->cols); memset(s->above_skip_ctx, 0, s->cols); - if (s->keyframe || s->intraonly) + if (s->keyframe || s->intraonly) { memset(s->above_mode_ctx, DC_PRED, s->cols * 2); - else + } else { memset(s->above_mode_ctx, NEARESTMV, s->cols); + } memset(s->above_y_nnz_ctx, 0, s->sb_cols * 16); memset(s->above_uv_nnz_ctx[0], 0, s->sb_cols * 8); memset(s->above_uv_nnz_ctx[1], 0, s->sb_cols * 8); memset(s->above_segpred_ctx, 0, s->cols); - for (tile_row = 0; tile_row < s->tiling.tile_rows; tile_row++) { - set_tile_offset(&s->tiling.tile_row_start, &s->tiling.tile_row_end, - tile_row, s->tiling.log2_tile_rows, s->sb_rows); - for (tile_col = 0; tile_col < s->tiling.tile_cols; tile_col++) { - int64_t tile_size; - - if (tile_col == s->tiling.tile_cols - 1 && - tile_row == s->tiling.tile_rows - 1) { - tile_size = size; - } else { - tile_size = AV_RB32(data); - data += 4; - size -= 4; - } - if (tile_size > size) - return AVERROR_INVALIDDATA; - ff_vp56_init_range_decoder(&s->c_b[tile_col], data, tile_size); - if (vp56_rac_get_prob_branchy(&s->c_b[tile_col], 128)) // marker bit - return AVERROR_INVALIDDATA; - data += tile_size; - size -= tile_size; - } - - for (row = s->tiling.tile_row_start; - row < s->tiling.tile_row_end; - row += 8, yoff += s->cur_frame->linesize[0] * 64, - uvoff += s->cur_frame->linesize[1] * 32) { - VP9Filter *lflvl = s->lflvl; - ptrdiff_t yoff2 = yoff, uvoff2 = uvoff; - - for (tile_col = 0; tile_col < s->tiling.tile_cols; tile_col++) { - set_tile_offset(&s->tiling.tile_col_start, - &s->tiling.tile_col_end, - tile_col, s->tiling.log2_tile_cols, s->sb_cols); - - memset(s->left_partition_ctx, 0, 8); - memset(s->left_skip_ctx, 0, 8); - if (s->keyframe || s->intraonly) - memset(s->left_mode_ctx, DC_PRED, 16); - else - memset(s->left_mode_ctx, NEARESTMV, 8); - memset(s->left_y_nnz_ctx, 0, 16); - memset(s->left_uv_nnz_ctx, 0, 16); - memset(s->left_segpred_ctx, 0, 8); - - memcpy(&s->c, &s->c_b[tile_col], sizeof(s->c)); - for (col = s->tiling.tile_col_start; - col < s->tiling.tile_col_end; - col += 8, yoff2 += 64, uvoff2 += 32, lflvl++) { - // FIXME integrate with lf code (i.e. zero after each - // use, similar to invtxfm coefficients, or similar) - memset(lflvl->mask, 0, sizeof(lflvl->mask)); - - if ((ret = decode_subblock(avctx, row, col, lflvl, - yoff2, uvoff2, BL_64X64)) < 0) - return ret; - } - memcpy(&s->c_b[tile_col], &s->c, sizeof(s->c)); - } - - // backup pre-loopfilter reconstruction data for intra - // prediction of next row of sb64s - if (row + 8 < s->rows) { - memcpy(s->intra_pred_data[0], - s->cur_frame->data[0] + yoff + - 63 * s->cur_frame->linesize[0], - 8 * s->cols); - memcpy(s->intra_pred_data[1], - s->cur_frame->data[1] + uvoff + - 31 * s->cur_frame->linesize[1], - 4 * s->cols); - memcpy(s->intra_pred_data[2], - s->cur_frame->data[2] + uvoff + - 31 * s->cur_frame->linesize[2], - 4 * s->cols); - } - - // loopfilter one row - if (s->filter.level) { - yoff2 = yoff; - uvoff2 = uvoff; - lflvl = s->lflvl; - for (col = 0; col < s->cols; - col += 8, yoff2 += 64, uvoff2 += 32, lflvl++) - loopfilter_subblock(avctx, lflvl, row, col, yoff2, uvoff2); - } - } - } - - // bw adaptivity (or in case of parallel decoding mode, fw adaptivity - // probability maintenance between frames) - if (s->refreshctx) { - if (s->parallelmode) { - int j, k, l, m; - for (i = 0; i < 4; i++) { - for (j = 0; j < 2; j++) - for (k = 0; k < 2; k++) - for (l = 0; l < 6; l++) - for (m = 0; m < 6; m++) - memcpy(s->prob_ctx[s->framectxid].coef[i][j][k][l][m], - s->prob.coef[i][j][k][l][m], 3); - if (s->txfmmode == i) - break; - } - s->prob_ctx[s->framectxid].p = s->prob.p; - } else { - ff_vp9_adapt_probs(s); - } + s->pass = s->uses_2pass = + ctx->active_thread_type == FF_THREAD_FRAME && s->refreshctx && !s->parallelmode; + if ((res = update_block_buffers(ctx)) < 0) { + av_log(ctx, AV_LOG_ERROR, + "Failed to allocate block buffers\n"); + return res; } - FFSWAP(VP9MVRefPair *, s->mv[0], s->mv[1]); + if (s->refreshctx && s->parallelmode) { + int j, k, l, m; - // ref frame setup - for (i = 0; i < 8; i++) - if (s->refreshrefmask & (1 << i)) { - av_frame_unref(s->refs[i]); - ret = av_frame_ref(s->refs[i], s->cur_frame); - if (ret < 0) - return ret; + for (i = 0; i < 4; i++) { + for (j = 0; j < 2; j++) + for (k = 0; k < 2; k++) + for (l = 0; l < 6; l++) + for (m = 0; m < 6; m++) + memcpy(s->prob_ctx[s->framectxid].coef[i][j][k][l][m], + s->prob.coef[i][j][k][l][m], 3); + if (s->txfmmode == i) + break; } + s->prob_ctx[s->framectxid].p = s->prob.p; + ff_thread_finish_setup(ctx); + } else if (!s->refreshctx) { + ff_thread_finish_setup(ctx); + } - if (s->invisible) - av_frame_unref(s->cur_frame); - else - *got_frame = 1; + do { + yoff = uvoff = 0; + s->b = s->b_base; + s->block = s->block_base; + s->uvblock[0] = s->uvblock_base[0]; + s->uvblock[1] = s->uvblock_base[1]; + s->eob = s->eob_base; + s->uveob[0] = s->uveob_base[0]; + s->uveob[1] = s->uveob_base[1]; - return 0; -} + for (tile_row = 0; tile_row < s->tiling.tile_rows; tile_row++) { + set_tile_offset(&s->tiling.tile_row_start, &s->tiling.tile_row_end, + tile_row, s->tiling.log2_tile_rows, s->sb_rows); + if (s->pass != 2) { + for (tile_col = 0; tile_col < s->tiling.tile_cols; tile_col++) { + unsigned tile_size; -static int vp9_decode_packet(AVCodecContext *avctx, void *frame, - int *got_frame, AVPacket *avpkt) -{ - const uint8_t *data = avpkt->data; - int size = avpkt->size; - int marker, ret; - - /* Read superframe index - this is a collection of individual frames - * that together lead to one visible frame */ - marker = data[size - 1]; - if ((marker & 0xe0) == 0xc0) { - int nbytes = 1 + ((marker >> 3) & 0x3); - int n_frames = 1 + (marker & 0x7); - int idx_sz = 2 + n_frames * nbytes; - - if (size >= idx_sz && data[size - idx_sz] == marker) { - const uint8_t *idx = data + size + 1 - idx_sz; - - while (n_frames--) { - unsigned sz = AV_RL32(idx); - - if (nbytes < 4) - sz &= (1 << (8 * nbytes)) - 1; - idx += nbytes; - - if (sz > size) { - av_log(avctx, AV_LOG_ERROR, - "Superframe packet size too big: %u > %d\n", - sz, size); - return AVERROR_INVALIDDATA; + if (tile_col == s->tiling.tile_cols - 1 && + tile_row == s->tiling.tile_rows - 1) { + tile_size = size; + } else { + tile_size = AV_RB32(data); + data += 4; + size -= 4; + } + if (tile_size > size) { + ff_thread_report_progress(&s->frames[CUR_FRAME].tf, INT_MAX, 0); + return AVERROR_INVALIDDATA; + } + ff_vp56_init_range_decoder(&s->c_b[tile_col], data, tile_size); + if (vp56_rac_get_prob_branchy(&s->c_b[tile_col], 128)) { // marker bit + ff_thread_report_progress(&s->frames[CUR_FRAME].tf, INT_MAX, 0); + return AVERROR_INVALIDDATA; + } + data += tile_size; + size -= tile_size; + } + } + + for (row = s->tiling.tile_row_start; row < s->tiling.tile_row_end; + row += 8, yoff += ls_y * 64, uvoff += ls_uv * 32) { + struct VP9Filter *lflvl_ptr = s->lflvl; + ptrdiff_t yoff2 = yoff, uvoff2 = uvoff; + + for (tile_col = 0; tile_col < s->tiling.tile_cols; tile_col++) { + set_tile_offset(&s->tiling.tile_col_start, &s->tiling.tile_col_end, + tile_col, s->tiling.log2_tile_cols, s->sb_cols); + + if (s->pass != 2) { + memset(s->left_partition_ctx, 0, 8); + memset(s->left_skip_ctx, 0, 8); + if (s->keyframe || s->intraonly) { + memset(s->left_mode_ctx, DC_PRED, 16); + } else { + memset(s->left_mode_ctx, NEARESTMV, 8); + } + memset(s->left_y_nnz_ctx, 0, 16); + memset(s->left_uv_nnz_ctx, 0, 16); + memset(s->left_segpred_ctx, 0, 8); + + memcpy(&s->c, &s->c_b[tile_col], sizeof(s->c)); + } + + for (col = s->tiling.tile_col_start; + col < s->tiling.tile_col_end; + col += 8, yoff2 += 64, uvoff2 += 32, lflvl_ptr++) { + // FIXME integrate with lf code (i.e. zero after each + // use, similar to invtxfm coefficients, or similar) + if (s->pass != 1) { + memset(lflvl_ptr->mask, 0, sizeof(lflvl_ptr->mask)); + } + + if (s->pass == 2) { + decode_sb_mem(ctx, row, col, lflvl_ptr, + yoff2, uvoff2, BL_64X64); + } else { + decode_sb(ctx, row, col, lflvl_ptr, + yoff2, uvoff2, BL_64X64); + } + } + if (s->pass != 2) { + memcpy(&s->c_b[tile_col], &s->c, sizeof(s->c)); + } + } + + if (s->pass == 1) { + continue; + } + + // backup pre-loopfilter reconstruction data for intra + // prediction of next row of sb64s + if (row + 8 < s->rows) { + memcpy(s->intra_pred_data[0], + f->data[0] + yoff + 63 * ls_y, + 8 * s->cols); + memcpy(s->intra_pred_data[1], + f->data[1] + uvoff + 31 * ls_uv, + 4 * s->cols); + memcpy(s->intra_pred_data[2], + f->data[2] + uvoff + 31 * ls_uv, + 4 * s->cols); + } + + // loopfilter one row + if (s->filter.level) { + yoff2 = yoff; + uvoff2 = uvoff; + lflvl_ptr = s->lflvl; + for (col = 0; col < s->cols; + col += 8, yoff2 += 64, uvoff2 += 32, lflvl_ptr++) { + loopfilter_sb(ctx, lflvl_ptr, row, col, yoff2, uvoff2); + } } - ret = vp9_decode_frame(avctx, frame, got_frame, data, sz); - if (ret < 0) - return ret; - data += sz; - size -= sz; + // FIXME maybe we can make this more finegrained by running the + // loopfilter per-block instead of after each sbrow + // In fact that would also make intra pred left preparation easier? + ff_thread_report_progress(&s->frames[CUR_FRAME].tf, row >> 3, 0); } - return size; } + + if (s->pass < 2 && s->refreshctx && !s->parallelmode) { + adapt_probs(s); + ff_thread_finish_setup(ctx); + } + } while (s->pass++ == 1); + ff_thread_report_progress(&s->frames[CUR_FRAME].tf, INT_MAX, 0); + + // ref frame setup + for (i = 0; i < 8; i++) { + if (s->refs[i].f->data[0]) + ff_thread_release_buffer(ctx, &s->refs[i]); + ff_thread_ref_frame(&s->refs[i], &s->next_refs[i]); } - /* If we get here, there was no valid superframe index, i.e. this is just - * one whole single frame. Decode it as such from the complete input buf. */ - if ((ret = vp9_decode_frame(avctx, frame, got_frame, data, size)) < 0) - return ret; - return size; + if (!s->invisible) { + if ((res = av_frame_ref(frame, s->frames[CUR_FRAME].tf.f)) < 0) + return res; + *got_frame = 1; + } + + return 0; } -static av_cold int vp9_decode_free(AVCodecContext *avctx) +static void vp9_decode_flush(AVCodecContext *ctx) { - VP9Context *s = avctx->priv_data; + VP9Context *s = ctx->priv_data; int i; - for (i = 0; i < FF_ARRAY_ELEMS(s->refs); i++) - av_frame_free(&s->refs[i]); + for (i = 0; i < 2; i++) + vp9_unref_frame(ctx, &s->frames[i]); + for (i = 0; i < 8; i++) + ff_thread_release_buffer(ctx, &s->refs[i]); +} - av_freep(&s->c_b); - av_freep(&s->above_partition_ctx); +static int init_frames(AVCodecContext *ctx) +{ + VP9Context *s = ctx->priv_data; + int i; + + for (i = 0; i < 2; i++) { + s->frames[i].tf.f = av_frame_alloc(); + if (!s->frames[i].tf.f) { + vp9_decode_free(ctx); + av_log(ctx, AV_LOG_ERROR, "Failed to allocate frame buffer %d\n", i); + return AVERROR(ENOMEM); + } + } + for (i = 0; i < 8; i++) { + s->refs[i].f = av_frame_alloc(); + s->next_refs[i].f = av_frame_alloc(); + if (!s->refs[i].f || !s->next_refs[i].f) { + vp9_decode_free(ctx); + av_log(ctx, AV_LOG_ERROR, "Failed to allocate frame buffer %d\n", i); + return AVERROR(ENOMEM); + } + } return 0; } -static av_cold int vp9_decode_init(AVCodecContext *avctx) +static av_cold int vp9_decode_init(AVCodecContext *ctx) { - VP9Context *s = avctx->priv_data; - int i; - - avctx->pix_fmt = AV_PIX_FMT_YUV420P; + VP9Context *s = ctx->priv_data; + ctx->internal->allocate_progress = 1; + ctx->pix_fmt = AV_PIX_FMT_YUV420P; ff_vp9dsp_init(&s->dsp); ff_videodsp_init(&s->vdsp, 8); + s->filter.sharpness = -1; - for (i = 0; i < FF_ARRAY_ELEMS(s->refs); i++) { - s->refs[i] = av_frame_alloc(); - if (!s->refs[i]) { - vp9_decode_free(avctx); - return AVERROR(ENOMEM); + return init_frames(ctx); +} + +static av_cold int vp9_decode_init_thread_copy(AVCodecContext *avctx) +{ + return init_frames(avctx); +} + +static int vp9_decode_update_thread_context(AVCodecContext *dst, const AVCodecContext *src) +{ + int i, res; + VP9Context *s = dst->priv_data, *ssrc = src->priv_data; + + // detect size changes in other threads + if (s->intra_pred_data[0] && + (!ssrc->intra_pred_data[0] || s->cols != ssrc->cols || s->rows != ssrc->rows)) { + free_buffers(s); + } + + for (i = 0; i < 2; i++) { + if (s->frames[i].tf.f->data[0]) + vp9_unref_frame(dst, &s->frames[i]); + if (ssrc->frames[i].tf.f->data[0]) { + if ((res = vp9_ref_frame(dst, &s->frames[i], &ssrc->frames[i])) < 0) + return res; + } + } + for (i = 0; i < 8; i++) { + if (s->refs[i].f->data[0]) + ff_thread_release_buffer(dst, &s->refs[i]); + if (ssrc->next_refs[i].f->data[0]) { + if ((res = ff_thread_ref_frame(&s->refs[i], &ssrc->next_refs[i])) < 0) + return res; } } - s->filter.sharpness = -1; + s->invisible = ssrc->invisible; + s->keyframe = ssrc->keyframe; + s->uses_2pass = ssrc->uses_2pass; + memcpy(&s->prob_ctx, &ssrc->prob_ctx, sizeof(s->prob_ctx)); + memcpy(&s->lf_delta, &ssrc->lf_delta, sizeof(s->lf_delta)); + if (ssrc->segmentation.enabled) { + memcpy(&s->segmentation.feat, &ssrc->segmentation.feat, + sizeof(s->segmentation.feat)); + } return 0; } AVCodec ff_vp9_decoder = { - .name = "vp9", - .long_name = NULL_IF_CONFIG_SMALL("Google VP9"), - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_VP9, - .priv_data_size = sizeof(VP9Context), - .init = vp9_decode_init, - .decode = vp9_decode_packet, - .flush = vp9_decode_flush, - .close = vp9_decode_free, - .capabilities = CODEC_CAP_DR1, + .name = "vp9", + .long_name = NULL_IF_CONFIG_SMALL("Google VP9"), + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_VP9, + .priv_data_size = sizeof(VP9Context), + .init = vp9_decode_init, + .close = vp9_decode_free, + .decode = vp9_decode_frame, + .capabilities = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS, + .flush = vp9_decode_flush, + .init_thread_copy = ONLY_IF_THREADS_ENABLED(vp9_decode_init_thread_copy), + .update_thread_context = ONLY_IF_THREADS_ENABLED(vp9_decode_update_thread_context), }; |