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Diffstat (limited to 'libavcodec/vp9prob.c')
| -rw-r--r-- | libavcodec/vp9prob.c | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/libavcodec/vp9prob.c b/libavcodec/vp9prob.c deleted file mode 100644 index b8a7c22af4..0000000000 --- a/libavcodec/vp9prob.c +++ /dev/null @@ -1,274 +0,0 @@ -/* - * VP9 compatible video decoder - * - * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com> - * Copyright (C) 2013 Clément Bœsch <u pkh me> - * - * This file is part of Libav. - * - * Libav 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, - * 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 - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "vp56.h" -#include "vp9.h" -#include "vp9data.h" - -static av_always_inline void adapt_prob(uint8_t *p, unsigned ct0, unsigned ct1, - int max_count, int update_factor) -{ - unsigned ct = ct0 + ct1, p2, p1; - - 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); -} - -void ff_vp9_adapt_probs(VP9Context *s) -{ - int i, j, k, l, m; - ProbContext *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); - } - - // 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); - } -} |