mirror of
https://github.com/FFmpeg/FFmpeg.git
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1789 lines
70 KiB
C
1789 lines
70 KiB
C
/*
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* VP9 compatible video decoder
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*
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* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
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* Copyright (C) 2013 Clément Bœsch <u pkh me>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "avcodec.h"
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#include "get_bits.h"
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#include "internal.h"
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#include "profiles.h"
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#include "thread.h"
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#include "videodsp.h"
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#include "vp56.h"
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#include "vp9.h"
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#include "vp9data.h"
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#include "vp9dec.h"
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#include "libavutil/avassert.h"
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#include "libavutil/pixdesc.h"
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#define VP9_SYNCCODE 0x498342
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#if HAVE_THREADS
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static void vp9_free_entries(AVCodecContext *avctx) {
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VP9Context *s = avctx->priv_data;
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if (avctx->active_thread_type & FF_THREAD_SLICE) {
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pthread_mutex_destroy(&s->progress_mutex);
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pthread_cond_destroy(&s->progress_cond);
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av_freep(&s->entries);
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}
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}
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static int vp9_alloc_entries(AVCodecContext *avctx, int n) {
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VP9Context *s = avctx->priv_data;
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int i;
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if (avctx->active_thread_type & FF_THREAD_SLICE) {
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if (s->entries)
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av_freep(&s->entries);
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s->entries = av_malloc_array(n, sizeof(atomic_int));
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if (!s->entries) {
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av_freep(&s->entries);
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return AVERROR(ENOMEM);
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}
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for (i = 0; i < n; i++)
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atomic_init(&s->entries[i], 0);
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pthread_mutex_init(&s->progress_mutex, NULL);
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pthread_cond_init(&s->progress_cond, NULL);
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}
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return 0;
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}
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static void vp9_report_tile_progress(VP9Context *s, int field, int n) {
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pthread_mutex_lock(&s->progress_mutex);
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atomic_fetch_add_explicit(&s->entries[field], n, memory_order_release);
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pthread_cond_signal(&s->progress_cond);
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pthread_mutex_unlock(&s->progress_mutex);
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}
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static void vp9_await_tile_progress(VP9Context *s, int field, int n) {
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if (atomic_load_explicit(&s->entries[field], memory_order_acquire) >= n)
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return;
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pthread_mutex_lock(&s->progress_mutex);
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while (atomic_load_explicit(&s->entries[field], memory_order_relaxed) != n)
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pthread_cond_wait(&s->progress_cond, &s->progress_mutex);
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pthread_mutex_unlock(&s->progress_mutex);
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}
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#else
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static void vp9_free_entries(AVCodecContext *avctx) {}
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static int vp9_alloc_entries(AVCodecContext *avctx, int n) { return 0; }
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#endif
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static void vp9_frame_unref(AVCodecContext *avctx, VP9Frame *f)
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{
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ff_thread_release_buffer(avctx, &f->tf);
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av_buffer_unref(&f->extradata);
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av_buffer_unref(&f->hwaccel_priv_buf);
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f->segmentation_map = NULL;
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f->hwaccel_picture_private = NULL;
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}
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static int vp9_frame_alloc(AVCodecContext *avctx, VP9Frame *f)
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{
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VP9Context *s = avctx->priv_data;
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int ret, sz;
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ret = ff_thread_get_buffer(avctx, &f->tf, AV_GET_BUFFER_FLAG_REF);
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if (ret < 0)
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return ret;
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sz = 64 * s->sb_cols * s->sb_rows;
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f->extradata = av_buffer_allocz(sz * (1 + sizeof(VP9mvrefPair)));
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if (!f->extradata) {
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goto fail;
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}
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f->segmentation_map = f->extradata->data;
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f->mv = (VP9mvrefPair *) (f->extradata->data + sz);
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if (avctx->hwaccel) {
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const AVHWAccel *hwaccel = avctx->hwaccel;
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av_assert0(!f->hwaccel_picture_private);
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if (hwaccel->frame_priv_data_size) {
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f->hwaccel_priv_buf = av_buffer_allocz(hwaccel->frame_priv_data_size);
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if (!f->hwaccel_priv_buf)
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goto fail;
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f->hwaccel_picture_private = f->hwaccel_priv_buf->data;
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}
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}
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return 0;
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fail:
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vp9_frame_unref(avctx, f);
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return AVERROR(ENOMEM);
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}
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static int vp9_frame_ref(AVCodecContext *avctx, VP9Frame *dst, VP9Frame *src)
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{
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int ret;
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ret = ff_thread_ref_frame(&dst->tf, &src->tf);
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if (ret < 0)
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return ret;
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dst->extradata = av_buffer_ref(src->extradata);
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if (!dst->extradata)
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goto fail;
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dst->segmentation_map = src->segmentation_map;
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dst->mv = src->mv;
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dst->uses_2pass = src->uses_2pass;
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if (src->hwaccel_picture_private) {
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dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
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if (!dst->hwaccel_priv_buf)
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goto fail;
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dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
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}
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return 0;
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fail:
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vp9_frame_unref(avctx, dst);
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return AVERROR(ENOMEM);
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}
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static int update_size(AVCodecContext *avctx, int w, int h)
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{
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#define HWACCEL_MAX (CONFIG_VP9_DXVA2_HWACCEL + CONFIG_VP9_D3D11VA_HWACCEL * 2 + CONFIG_VP9_VAAPI_HWACCEL)
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enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
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VP9Context *s = avctx->priv_data;
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uint8_t *p;
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int bytesperpixel = s->bytesperpixel, ret, cols, rows;
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int lflvl_len, i;
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av_assert0(w > 0 && h > 0);
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if (!(s->pix_fmt == s->gf_fmt && w == s->w && h == s->h)) {
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if ((ret = ff_set_dimensions(avctx, w, h)) < 0)
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return ret;
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switch (s->pix_fmt) {
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case AV_PIX_FMT_YUV420P:
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#if CONFIG_VP9_DXVA2_HWACCEL
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*fmtp++ = AV_PIX_FMT_DXVA2_VLD;
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#endif
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#if CONFIG_VP9_D3D11VA_HWACCEL
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*fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
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*fmtp++ = AV_PIX_FMT_D3D11;
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#endif
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#if CONFIG_VP9_VAAPI_HWACCEL
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*fmtp++ = AV_PIX_FMT_VAAPI;
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#endif
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break;
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case AV_PIX_FMT_YUV420P10:
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case AV_PIX_FMT_YUV420P12:
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#if CONFIG_VP9_VAAPI_HWACCEL
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*fmtp++ = AV_PIX_FMT_VAAPI;
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#endif
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break;
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}
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*fmtp++ = s->pix_fmt;
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*fmtp = AV_PIX_FMT_NONE;
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ret = ff_thread_get_format(avctx, pix_fmts);
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if (ret < 0)
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return ret;
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avctx->pix_fmt = ret;
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s->gf_fmt = s->pix_fmt;
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s->w = w;
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s->h = h;
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}
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cols = (w + 7) >> 3;
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rows = (h + 7) >> 3;
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if (s->intra_pred_data[0] && cols == s->cols && rows == s->rows && s->pix_fmt == s->last_fmt)
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return 0;
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s->last_fmt = s->pix_fmt;
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s->sb_cols = (w + 63) >> 6;
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s->sb_rows = (h + 63) >> 6;
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s->cols = (w + 7) >> 3;
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s->rows = (h + 7) >> 3;
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lflvl_len = avctx->active_thread_type == FF_THREAD_SLICE ? s->sb_rows : 1;
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#define assign(var, type, n) var = (type) p; p += s->sb_cols * (n) * sizeof(*var)
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av_freep(&s->intra_pred_data[0]);
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// FIXME we slightly over-allocate here for subsampled chroma, but a little
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// bit of padding shouldn't affect performance...
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p = av_malloc(s->sb_cols * (128 + 192 * bytesperpixel +
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lflvl_len * sizeof(*s->lflvl) + 16 * sizeof(*s->above_mv_ctx)));
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if (!p)
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return AVERROR(ENOMEM);
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assign(s->intra_pred_data[0], uint8_t *, 64 * bytesperpixel);
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assign(s->intra_pred_data[1], uint8_t *, 64 * bytesperpixel);
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assign(s->intra_pred_data[2], uint8_t *, 64 * bytesperpixel);
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assign(s->above_y_nnz_ctx, uint8_t *, 16);
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assign(s->above_mode_ctx, uint8_t *, 16);
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assign(s->above_mv_ctx, VP56mv(*)[2], 16);
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assign(s->above_uv_nnz_ctx[0], uint8_t *, 16);
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assign(s->above_uv_nnz_ctx[1], uint8_t *, 16);
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assign(s->above_partition_ctx, uint8_t *, 8);
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assign(s->above_skip_ctx, uint8_t *, 8);
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assign(s->above_txfm_ctx, uint8_t *, 8);
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assign(s->above_segpred_ctx, uint8_t *, 8);
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assign(s->above_intra_ctx, uint8_t *, 8);
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assign(s->above_comp_ctx, uint8_t *, 8);
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assign(s->above_ref_ctx, uint8_t *, 8);
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assign(s->above_filter_ctx, uint8_t *, 8);
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assign(s->lflvl, VP9Filter *, lflvl_len);
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#undef assign
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if (s->td) {
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for (i = 0; i < s->active_tile_cols; i++) {
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av_freep(&s->td[i].b_base);
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av_freep(&s->td[i].block_base);
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}
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}
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if (s->s.h.bpp != s->last_bpp) {
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ff_vp9dsp_init(&s->dsp, s->s.h.bpp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
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ff_videodsp_init(&s->vdsp, s->s.h.bpp);
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s->last_bpp = s->s.h.bpp;
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}
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return 0;
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}
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static int update_block_buffers(AVCodecContext *avctx)
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{
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int i;
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VP9Context *s = avctx->priv_data;
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int chroma_blocks, chroma_eobs, bytesperpixel = s->bytesperpixel;
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VP9TileData *td = &s->td[0];
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if (td->b_base && td->block_base && s->block_alloc_using_2pass == s->s.frames[CUR_FRAME].uses_2pass)
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return 0;
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av_free(td->b_base);
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av_free(td->block_base);
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chroma_blocks = 64 * 64 >> (s->ss_h + s->ss_v);
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chroma_eobs = 16 * 16 >> (s->ss_h + s->ss_v);
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if (s->s.frames[CUR_FRAME].uses_2pass) {
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int sbs = s->sb_cols * s->sb_rows;
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td->b_base = av_malloc_array(s->cols * s->rows, sizeof(VP9Block));
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td->block_base = av_mallocz(((64 * 64 + 2 * chroma_blocks) * bytesperpixel * sizeof(int16_t) +
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16 * 16 + 2 * chroma_eobs) * sbs);
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if (!td->b_base || !td->block_base)
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return AVERROR(ENOMEM);
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td->uvblock_base[0] = td->block_base + sbs * 64 * 64 * bytesperpixel;
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td->uvblock_base[1] = td->uvblock_base[0] + sbs * chroma_blocks * bytesperpixel;
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td->eob_base = (uint8_t *) (td->uvblock_base[1] + sbs * chroma_blocks * bytesperpixel);
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td->uveob_base[0] = td->eob_base + 16 * 16 * sbs;
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td->uveob_base[1] = td->uveob_base[0] + chroma_eobs * sbs;
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} else {
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for (i = 1; i < s->active_tile_cols; i++) {
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if (s->td[i].b_base && s->td[i].block_base) {
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av_free(s->td[i].b_base);
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av_free(s->td[i].block_base);
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}
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}
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for (i = 0; i < s->active_tile_cols; i++) {
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s->td[i].b_base = av_malloc(sizeof(VP9Block));
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s->td[i].block_base = av_mallocz((64 * 64 + 2 * chroma_blocks) * bytesperpixel * sizeof(int16_t) +
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16 * 16 + 2 * chroma_eobs);
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if (!s->td[i].b_base || !s->td[i].block_base)
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return AVERROR(ENOMEM);
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s->td[i].uvblock_base[0] = s->td[i].block_base + 64 * 64 * bytesperpixel;
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s->td[i].uvblock_base[1] = s->td[i].uvblock_base[0] + chroma_blocks * bytesperpixel;
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s->td[i].eob_base = (uint8_t *) (s->td[i].uvblock_base[1] + chroma_blocks * bytesperpixel);
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s->td[i].uveob_base[0] = s->td[i].eob_base + 16 * 16;
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s->td[i].uveob_base[1] = s->td[i].uveob_base[0] + chroma_eobs;
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}
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}
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s->block_alloc_using_2pass = s->s.frames[CUR_FRAME].uses_2pass;
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return 0;
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}
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// The sign bit is at the end, not the start, of a bit sequence
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static av_always_inline int get_sbits_inv(GetBitContext *gb, int n)
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{
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int v = get_bits(gb, n);
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return get_bits1(gb) ? -v : v;
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}
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static av_always_inline int inv_recenter_nonneg(int v, int m)
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{
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if (v > 2 * m)
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return v;
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if (v & 1)
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return m - ((v + 1) >> 1);
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return m + (v >> 1);
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}
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// differential forward probability updates
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static int update_prob(VP56RangeCoder *c, int p)
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{
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static const int inv_map_table[255] = {
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7, 20, 33, 46, 59, 72, 85, 98, 111, 124, 137, 150, 163, 176,
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189, 202, 215, 228, 241, 254, 1, 2, 3, 4, 5, 6, 8, 9,
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10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24,
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25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39,
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40, 41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 52, 53, 54,
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55, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
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70, 71, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84,
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86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 99, 100,
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101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 112, 113, 114, 115,
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116, 117, 118, 119, 120, 121, 122, 123, 125, 126, 127, 128, 129, 130,
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131, 132, 133, 134, 135, 136, 138, 139, 140, 141, 142, 143, 144, 145,
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146, 147, 148, 149, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160,
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161, 162, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
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177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 190, 191,
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192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 203, 204, 205, 206,
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207, 208, 209, 210, 211, 212, 213, 214, 216, 217, 218, 219, 220, 221,
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222, 223, 224, 225, 226, 227, 229, 230, 231, 232, 233, 234, 235, 236,
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237, 238, 239, 240, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251,
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252, 253, 253,
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};
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int d;
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/* This code is trying to do a differential probability update. For a
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* current probability A in the range [1, 255], the difference to a new
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* probability of any value can be expressed differentially as 1-A, 255-A
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* where some part of this (absolute range) exists both in positive as
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* well as the negative part, whereas another part only exists in one
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* half. We're trying to code this shared part differentially, i.e.
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* times two where the value of the lowest bit specifies the sign, and
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* the single part is then coded on top of this. This absolute difference
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* then again has a value of [0, 254], but a bigger value in this range
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* indicates that we're further away from the original value A, so we
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* can code this as a VLC code, since higher values are increasingly
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* unlikely. The first 20 values in inv_map_table[] allow 'cheap, rough'
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* updates vs. the 'fine, exact' updates further down the range, which
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* adds one extra dimension to this differential update model. */
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if (!vp8_rac_get(c)) {
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d = vp8_rac_get_uint(c, 4) + 0;
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} else if (!vp8_rac_get(c)) {
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d = vp8_rac_get_uint(c, 4) + 16;
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} else if (!vp8_rac_get(c)) {
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d = vp8_rac_get_uint(c, 5) + 32;
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} else {
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d = vp8_rac_get_uint(c, 7);
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if (d >= 65)
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d = (d << 1) - 65 + vp8_rac_get(c);
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d += 64;
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av_assert2(d < FF_ARRAY_ELEMS(inv_map_table));
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}
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return p <= 128 ? 1 + inv_recenter_nonneg(inv_map_table[d], p - 1) :
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255 - inv_recenter_nonneg(inv_map_table[d], 255 - p);
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}
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|
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static int read_colorspace_details(AVCodecContext *avctx)
|
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{
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static const enum AVColorSpace colorspaces[8] = {
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AVCOL_SPC_UNSPECIFIED, AVCOL_SPC_BT470BG, AVCOL_SPC_BT709, AVCOL_SPC_SMPTE170M,
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AVCOL_SPC_SMPTE240M, AVCOL_SPC_BT2020_NCL, AVCOL_SPC_RESERVED, AVCOL_SPC_RGB,
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};
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VP9Context *s = avctx->priv_data;
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int bits = avctx->profile <= 1 ? 0 : 1 + get_bits1(&s->gb); // 0:8, 1:10, 2:12
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|
|
s->bpp_index = bits;
|
|
s->s.h.bpp = 8 + bits * 2;
|
|
s->bytesperpixel = (7 + s->s.h.bpp) >> 3;
|
|
avctx->colorspace = colorspaces[get_bits(&s->gb, 3)];
|
|
if (avctx->colorspace == AVCOL_SPC_RGB) { // RGB = profile 1
|
|
static const enum AVPixelFormat pix_fmt_rgb[3] = {
|
|
AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12
|
|
};
|
|
s->ss_h = s->ss_v = 0;
|
|
avctx->color_range = AVCOL_RANGE_JPEG;
|
|
s->pix_fmt = pix_fmt_rgb[bits];
|
|
if (avctx->profile & 1) {
|
|
if (get_bits1(&s->gb)) {
|
|
av_log(avctx, AV_LOG_ERROR, "Reserved bit set in RGB\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
} else {
|
|
av_log(avctx, AV_LOG_ERROR, "RGB not supported in profile %d\n",
|
|
avctx->profile);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
} else {
|
|
static const enum AVPixelFormat pix_fmt_for_ss[3][2 /* v */][2 /* h */] = {
|
|
{ { AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P },
|
|
{ AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV420P } },
|
|
{ { AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV422P10 },
|
|
{ AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV420P10 } },
|
|
{ { AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12 },
|
|
{ AV_PIX_FMT_YUV440P12, AV_PIX_FMT_YUV420P12 } }
|
|
};
|
|
avctx->color_range = get_bits1(&s->gb) ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
|
|
if (avctx->profile & 1) {
|
|
s->ss_h = get_bits1(&s->gb);
|
|
s->ss_v = get_bits1(&s->gb);
|
|
s->pix_fmt = pix_fmt_for_ss[bits][s->ss_v][s->ss_h];
|
|
if (s->pix_fmt == AV_PIX_FMT_YUV420P) {
|
|
av_log(avctx, AV_LOG_ERROR, "YUV 4:2:0 not supported in profile %d\n",
|
|
avctx->profile);
|
|
return AVERROR_INVALIDDATA;
|
|
} else if (get_bits1(&s->gb)) {
|
|
av_log(avctx, AV_LOG_ERROR, "Profile %d color details reserved bit set\n",
|
|
avctx->profile);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
} else {
|
|
s->ss_h = s->ss_v = 1;
|
|
s->pix_fmt = pix_fmt_for_ss[bits][1][1];
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int decode_frame_header(AVCodecContext *avctx,
|
|
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;
|
|
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 (get_bits(&s->gb, 2) != 0x2) { // frame marker
|
|
av_log(avctx, AV_LOG_ERROR, "Invalid frame marker\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
avctx->profile = get_bits1(&s->gb);
|
|
avctx->profile |= get_bits1(&s->gb) << 1;
|
|
if (avctx->profile == 3) avctx->profile += get_bits1(&s->gb);
|
|
if (avctx->profile > 3) {
|
|
av_log(avctx, AV_LOG_ERROR, "Profile %d is not yet supported\n", avctx->profile);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
s->s.h.profile = avctx->profile;
|
|
if (get_bits1(&s->gb)) {
|
|
*ref = get_bits(&s->gb, 3);
|
|
return 0;
|
|
}
|
|
|
|
s->last_keyframe = s->s.h.keyframe;
|
|
s->s.h.keyframe = !get_bits1(&s->gb);
|
|
|
|
last_invisible = s->s.h.invisible;
|
|
s->s.h.invisible = !get_bits1(&s->gb);
|
|
s->s.h.errorres = get_bits1(&s->gb);
|
|
s->s.h.use_last_frame_mvs = !s->s.h.errorres && !last_invisible;
|
|
|
|
if (s->s.h.keyframe) {
|
|
if (get_bits_long(&s->gb, 24) != VP9_SYNCCODE) { // synccode
|
|
av_log(avctx, AV_LOG_ERROR, "Invalid sync code\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
if ((ret = read_colorspace_details(avctx)) < 0)
|
|
return ret;
|
|
// for profile 1, here follows the subsampling bits
|
|
s->s.h.refreshrefmask = 0xff;
|
|
w = get_bits(&s->gb, 16) + 1;
|
|
h = get_bits(&s->gb, 16) + 1;
|
|
if (get_bits1(&s->gb)) // display size
|
|
skip_bits(&s->gb, 32);
|
|
} else {
|
|
s->s.h.intraonly = s->s.h.invisible ? get_bits1(&s->gb) : 0;
|
|
s->s.h.resetctx = s->s.h.errorres ? 0 : get_bits(&s->gb, 2);
|
|
if (s->s.h.intraonly) {
|
|
if (get_bits_long(&s->gb, 24) != VP9_SYNCCODE) { // synccode
|
|
av_log(avctx, AV_LOG_ERROR, "Invalid sync code\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
if (avctx->profile >= 1) {
|
|
if ((ret = read_colorspace_details(avctx)) < 0)
|
|
return ret;
|
|
} else {
|
|
s->ss_h = s->ss_v = 1;
|
|
s->s.h.bpp = 8;
|
|
s->bpp_index = 0;
|
|
s->bytesperpixel = 1;
|
|
s->pix_fmt = AV_PIX_FMT_YUV420P;
|
|
avctx->colorspace = AVCOL_SPC_BT470BG;
|
|
avctx->color_range = AVCOL_RANGE_MPEG;
|
|
}
|
|
s->s.h.refreshrefmask = get_bits(&s->gb, 8);
|
|
w = get_bits(&s->gb, 16) + 1;
|
|
h = get_bits(&s->gb, 16) + 1;
|
|
if (get_bits1(&s->gb)) // display size
|
|
skip_bits(&s->gb, 32);
|
|
} else {
|
|
s->s.h.refreshrefmask = get_bits(&s->gb, 8);
|
|
s->s.h.refidx[0] = get_bits(&s->gb, 3);
|
|
s->s.h.signbias[0] = get_bits1(&s->gb) && !s->s.h.errorres;
|
|
s->s.h.refidx[1] = get_bits(&s->gb, 3);
|
|
s->s.h.signbias[1] = get_bits1(&s->gb) && !s->s.h.errorres;
|
|
s->s.h.refidx[2] = get_bits(&s->gb, 3);
|
|
s->s.h.signbias[2] = get_bits1(&s->gb) && !s->s.h.errorres;
|
|
if (!s->s.refs[s->s.h.refidx[0]].f->buf[0] ||
|
|
!s->s.refs[s->s.h.refidx[1]].f->buf[0] ||
|
|
!s->s.refs[s->s.h.refidx[2]].f->buf[0]) {
|
|
av_log(avctx, AV_LOG_ERROR, "Not all references are available\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
if (get_bits1(&s->gb)) {
|
|
w = s->s.refs[s->s.h.refidx[0]].f->width;
|
|
h = s->s.refs[s->s.h.refidx[0]].f->height;
|
|
} else if (get_bits1(&s->gb)) {
|
|
w = s->s.refs[s->s.h.refidx[1]].f->width;
|
|
h = s->s.refs[s->s.h.refidx[1]].f->height;
|
|
} else if (get_bits1(&s->gb)) {
|
|
w = s->s.refs[s->s.h.refidx[2]].f->width;
|
|
h = s->s.refs[s->s.h.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->s.h.use_last_frame_mvs &= s->s.frames[CUR_FRAME].tf.f->width == w &&
|
|
s->s.frames[CUR_FRAME].tf.f->height == h;
|
|
if (get_bits1(&s->gb)) // display size
|
|
skip_bits(&s->gb, 32);
|
|
s->s.h.highprecisionmvs = get_bits1(&s->gb);
|
|
s->s.h.filtermode = get_bits1(&s->gb) ? FILTER_SWITCHABLE :
|
|
get_bits(&s->gb, 2);
|
|
s->s.h.allowcompinter = s->s.h.signbias[0] != s->s.h.signbias[1] ||
|
|
s->s.h.signbias[0] != s->s.h.signbias[2];
|
|
if (s->s.h.allowcompinter) {
|
|
if (s->s.h.signbias[0] == s->s.h.signbias[1]) {
|
|
s->s.h.fixcompref = 2;
|
|
s->s.h.varcompref[0] = 0;
|
|
s->s.h.varcompref[1] = 1;
|
|
} else if (s->s.h.signbias[0] == s->s.h.signbias[2]) {
|
|
s->s.h.fixcompref = 1;
|
|
s->s.h.varcompref[0] = 0;
|
|
s->s.h.varcompref[1] = 2;
|
|
} else {
|
|
s->s.h.fixcompref = 0;
|
|
s->s.h.varcompref[0] = 1;
|
|
s->s.h.varcompref[1] = 2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
s->s.h.refreshctx = s->s.h.errorres ? 0 : get_bits1(&s->gb);
|
|
s->s.h.parallelmode = s->s.h.errorres ? 1 : get_bits1(&s->gb);
|
|
s->s.h.framectxid = c = get_bits(&s->gb, 2);
|
|
if (s->s.h.keyframe || s->s.h.intraonly)
|
|
s->s.h.framectxid = 0; // BUG: libvpx ignores this field in keyframes
|
|
|
|
/* loopfilter header data */
|
|
if (s->s.h.keyframe || s->s.h.errorres || s->s.h.intraonly) {
|
|
// reset loopfilter defaults
|
|
s->s.h.lf_delta.ref[0] = 1;
|
|
s->s.h.lf_delta.ref[1] = 0;
|
|
s->s.h.lf_delta.ref[2] = -1;
|
|
s->s.h.lf_delta.ref[3] = -1;
|
|
s->s.h.lf_delta.mode[0] = 0;
|
|
s->s.h.lf_delta.mode[1] = 0;
|
|
memset(s->s.h.segmentation.feat, 0, sizeof(s->s.h.segmentation.feat));
|
|
}
|
|
s->s.h.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
|
|
if (s->s.h.filter.sharpness != sharp) {
|
|
for (i = 1; i <= 63; i++) {
|
|
int limit = i;
|
|
|
|
if (sharp > 0) {
|
|
limit >>= (sharp + 3) >> 2;
|
|
limit = FFMIN(limit, 9 - sharp);
|
|
}
|
|
limit = FFMAX(limit, 1);
|
|
|
|
s->filter_lut.lim_lut[i] = limit;
|
|
s->filter_lut.mblim_lut[i] = 2 * (i + 2) + limit;
|
|
}
|
|
}
|
|
s->s.h.filter.sharpness = sharp;
|
|
if ((s->s.h.lf_delta.enabled = get_bits1(&s->gb))) {
|
|
if ((s->s.h.lf_delta.updated = get_bits1(&s->gb))) {
|
|
for (i = 0; i < 4; i++)
|
|
if (get_bits1(&s->gb))
|
|
s->s.h.lf_delta.ref[i] = get_sbits_inv(&s->gb, 6);
|
|
for (i = 0; i < 2; i++)
|
|
if (get_bits1(&s->gb))
|
|
s->s.h.lf_delta.mode[i] = get_sbits_inv(&s->gb, 6);
|
|
}
|
|
}
|
|
|
|
/* quantization header data */
|
|
s->s.h.yac_qi = get_bits(&s->gb, 8);
|
|
s->s.h.ydc_qdelta = get_bits1(&s->gb) ? get_sbits_inv(&s->gb, 4) : 0;
|
|
s->s.h.uvdc_qdelta = get_bits1(&s->gb) ? get_sbits_inv(&s->gb, 4) : 0;
|
|
s->s.h.uvac_qdelta = get_bits1(&s->gb) ? get_sbits_inv(&s->gb, 4) : 0;
|
|
s->s.h.lossless = s->s.h.yac_qi == 0 && s->s.h.ydc_qdelta == 0 &&
|
|
s->s.h.uvdc_qdelta == 0 && s->s.h.uvac_qdelta == 0;
|
|
if (s->s.h.lossless)
|
|
avctx->properties |= FF_CODEC_PROPERTY_LOSSLESS;
|
|
|
|
/* segmentation header info */
|
|
if ((s->s.h.segmentation.enabled = get_bits1(&s->gb))) {
|
|
if ((s->s.h.segmentation.update_map = get_bits1(&s->gb))) {
|
|
for (i = 0; i < 7; i++)
|
|
s->s.h.segmentation.prob[i] = get_bits1(&s->gb) ?
|
|
get_bits(&s->gb, 8) : 255;
|
|
if ((s->s.h.segmentation.temporal = get_bits1(&s->gb)))
|
|
for (i = 0; i < 3; i++)
|
|
s->s.h.segmentation.pred_prob[i] = get_bits1(&s->gb) ?
|
|
get_bits(&s->gb, 8) : 255;
|
|
}
|
|
|
|
if (get_bits1(&s->gb)) {
|
|
s->s.h.segmentation.absolute_vals = get_bits1(&s->gb);
|
|
for (i = 0; i < 8; i++) {
|
|
if ((s->s.h.segmentation.feat[i].q_enabled = get_bits1(&s->gb)))
|
|
s->s.h.segmentation.feat[i].q_val = get_sbits_inv(&s->gb, 8);
|
|
if ((s->s.h.segmentation.feat[i].lf_enabled = get_bits1(&s->gb)))
|
|
s->s.h.segmentation.feat[i].lf_val = get_sbits_inv(&s->gb, 6);
|
|
if ((s->s.h.segmentation.feat[i].ref_enabled = get_bits1(&s->gb)))
|
|
s->s.h.segmentation.feat[i].ref_val = get_bits(&s->gb, 2);
|
|
s->s.h.segmentation.feat[i].skip_enabled = get_bits1(&s->gb);
|
|
}
|
|
}
|
|
}
|
|
|
|
// set qmul[] based on Y/UV, AC/DC and segmentation Q idx deltas
|
|
for (i = 0; i < (s->s.h.segmentation.enabled ? 8 : 1); i++) {
|
|
int qyac, qydc, quvac, quvdc, lflvl, sh;
|
|
|
|
if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[i].q_enabled) {
|
|
if (s->s.h.segmentation.absolute_vals)
|
|
qyac = av_clip_uintp2(s->s.h.segmentation.feat[i].q_val, 8);
|
|
else
|
|
qyac = av_clip_uintp2(s->s.h.yac_qi + s->s.h.segmentation.feat[i].q_val, 8);
|
|
} else {
|
|
qyac = s->s.h.yac_qi;
|
|
}
|
|
qydc = av_clip_uintp2(qyac + s->s.h.ydc_qdelta, 8);
|
|
quvdc = av_clip_uintp2(qyac + s->s.h.uvdc_qdelta, 8);
|
|
quvac = av_clip_uintp2(qyac + s->s.h.uvac_qdelta, 8);
|
|
qyac = av_clip_uintp2(qyac, 8);
|
|
|
|
s->s.h.segmentation.feat[i].qmul[0][0] = ff_vp9_dc_qlookup[s->bpp_index][qydc];
|
|
s->s.h.segmentation.feat[i].qmul[0][1] = ff_vp9_ac_qlookup[s->bpp_index][qyac];
|
|
s->s.h.segmentation.feat[i].qmul[1][0] = ff_vp9_dc_qlookup[s->bpp_index][quvdc];
|
|
s->s.h.segmentation.feat[i].qmul[1][1] = ff_vp9_ac_qlookup[s->bpp_index][quvac];
|
|
|
|
sh = s->s.h.filter.level >= 32;
|
|
if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[i].lf_enabled) {
|
|
if (s->s.h.segmentation.absolute_vals)
|
|
lflvl = av_clip_uintp2(s->s.h.segmentation.feat[i].lf_val, 6);
|
|
else
|
|
lflvl = av_clip_uintp2(s->s.h.filter.level + s->s.h.segmentation.feat[i].lf_val, 6);
|
|
} else {
|
|
lflvl = s->s.h.filter.level;
|
|
}
|
|
if (s->s.h.lf_delta.enabled) {
|
|
s->s.h.segmentation.feat[i].lflvl[0][0] =
|
|
s->s.h.segmentation.feat[i].lflvl[0][1] =
|
|
av_clip_uintp2(lflvl + (s->s.h.lf_delta.ref[0] * (1 << sh)), 6);
|
|
for (j = 1; j < 4; j++) {
|
|
s->s.h.segmentation.feat[i].lflvl[j][0] =
|
|
av_clip_uintp2(lflvl + ((s->s.h.lf_delta.ref[j] +
|
|
s->s.h.lf_delta.mode[0]) * (1 << sh)), 6);
|
|
s->s.h.segmentation.feat[i].lflvl[j][1] =
|
|
av_clip_uintp2(lflvl + ((s->s.h.lf_delta.ref[j] +
|
|
s->s.h.lf_delta.mode[1]) * (1 << sh)), 6);
|
|
}
|
|
} else {
|
|
memset(s->s.h.segmentation.feat[i].lflvl, lflvl,
|
|
sizeof(s->s.h.segmentation.feat[i].lflvl));
|
|
}
|
|
}
|
|
|
|
/* tiling info */
|
|
if ((ret = update_size(avctx, w, h)) < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to initialize decoder for %dx%d @ %d\n",
|
|
w, h, s->pix_fmt);
|
|
return ret;
|
|
}
|
|
for (s->s.h.tiling.log2_tile_cols = 0;
|
|
s->sb_cols > (64 << s->s.h.tiling.log2_tile_cols);
|
|
s->s.h.tiling.log2_tile_cols++) ;
|
|
for (max = 0; (s->sb_cols >> max) >= 4; max++) ;
|
|
max = FFMAX(0, max - 1);
|
|
while (max > s->s.h.tiling.log2_tile_cols) {
|
|
if (get_bits1(&s->gb))
|
|
s->s.h.tiling.log2_tile_cols++;
|
|
else
|
|
break;
|
|
}
|
|
s->s.h.tiling.log2_tile_rows = decode012(&s->gb);
|
|
s->s.h.tiling.tile_rows = 1 << s->s.h.tiling.log2_tile_rows;
|
|
if (s->s.h.tiling.tile_cols != (1 << s->s.h.tiling.log2_tile_cols)) {
|
|
int n_range_coders;
|
|
VP56RangeCoder *rc;
|
|
|
|
if (s->td) {
|
|
for (i = 0; i < s->active_tile_cols; i++) {
|
|
av_free(s->td[i].b_base);
|
|
av_free(s->td[i].block_base);
|
|
}
|
|
av_free(s->td);
|
|
}
|
|
|
|
s->s.h.tiling.tile_cols = 1 << s->s.h.tiling.log2_tile_cols;
|
|
vp9_free_entries(avctx);
|
|
s->active_tile_cols = avctx->active_thread_type == FF_THREAD_SLICE ?
|
|
s->s.h.tiling.tile_cols : 1;
|
|
vp9_alloc_entries(avctx, s->sb_rows);
|
|
if (avctx->active_thread_type == FF_THREAD_SLICE) {
|
|
n_range_coders = 4; // max_tile_rows
|
|
} else {
|
|
n_range_coders = s->s.h.tiling.tile_cols;
|
|
}
|
|
s->td = av_mallocz_array(s->active_tile_cols, sizeof(VP9TileData) +
|
|
n_range_coders * sizeof(VP56RangeCoder));
|
|
if (!s->td)
|
|
return AVERROR(ENOMEM);
|
|
rc = (VP56RangeCoder *) &s->td[s->active_tile_cols];
|
|
for (i = 0; i < s->active_tile_cols; i++) {
|
|
s->td[i].s = s;
|
|
s->td[i].c_b = rc;
|
|
rc += n_range_coders;
|
|
}
|
|
}
|
|
|
|
/* check reference frames */
|
|
if (!s->s.h.keyframe && !s->s.h.intraonly) {
|
|
for (i = 0; i < 3; i++) {
|
|
AVFrame *ref = s->s.refs[s->s.h.refidx[i]].f;
|
|
int refw = ref->width, refh = ref->height;
|
|
|
|
if (ref->format != avctx->pix_fmt) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Ref pixfmt (%s) did not match current frame (%s)",
|
|
av_get_pix_fmt_name(ref->format),
|
|
av_get_pix_fmt_name(avctx->pix_fmt));
|
|
return AVERROR_INVALIDDATA;
|
|
} else if (refw == w && refh == h) {
|
|
s->mvscale[i][0] = s->mvscale[i][1] = 0;
|
|
} else {
|
|
if (w * 2 < refw || h * 2 < refh || w > 16 * refw || h > 16 * refh) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Invalid ref frame dimensions %dx%d for frame size %dx%d\n",
|
|
refw, refh, w, h);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
s->mvscale[i][0] = (refw << 14) / w;
|
|
s->mvscale[i][1] = (refh << 14) / h;
|
|
s->mvstep[i][0] = 16 * s->mvscale[i][0] >> 14;
|
|
s->mvstep[i][1] = 16 * s->mvscale[i][1] >> 14;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (s->s.h.keyframe || s->s.h.errorres || (s->s.h.intraonly && s->s.h.resetctx == 3)) {
|
|
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));
|
|
} else if (s->s.h.intraonly && s->s.h.resetctx == 2) {
|
|
s->prob_ctx[c].p = ff_vp9_default_probs;
|
|
memcpy(s->prob_ctx[c].coef, ff_vp9_default_coef_probs,
|
|
sizeof(ff_vp9_default_coef_probs));
|
|
}
|
|
|
|
// next 16 bits is size of the rest of the header (arith-coded)
|
|
s->s.h.compressed_header_size = size2 = get_bits(&s->gb, 16);
|
|
s->s.h.uncompressed_header_size = (get_bits_count(&s->gb) + 7) / 8;
|
|
|
|
data2 = align_get_bits(&s->gb);
|
|
if (size2 > size - (data2 - data)) {
|
|
av_log(avctx, AV_LOG_ERROR, "Invalid compressed header size\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
ret = ff_vp56_init_range_decoder(&s->c, data2, size2);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (vp56_rac_get_prob_branchy(&s->c, 128)) { // marker bit
|
|
av_log(avctx, AV_LOG_ERROR, "Marker bit was set\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
for (i = 0; i < s->active_tile_cols; i++) {
|
|
if (s->s.h.keyframe || s->s.h.intraonly) {
|
|
memset(s->td[i].counts.coef, 0, sizeof(s->td[0].counts.coef));
|
|
memset(s->td[i].counts.eob, 0, sizeof(s->td[0].counts.eob));
|
|
} else {
|
|
memset(&s->td[i].counts, 0, sizeof(s->td[0].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)? */
|
|
s->prob.p = s->prob_ctx[c].p;
|
|
|
|
// txfm updates
|
|
if (s->s.h.lossless) {
|
|
s->s.h.txfmmode = TX_4X4;
|
|
} else {
|
|
s->s.h.txfmmode = vp8_rac_get_uint(&s->c, 2);
|
|
if (s->s.h.txfmmode == 3)
|
|
s->s.h.txfmmode += vp8_rac_get(&s->c);
|
|
|
|
if (s->s.h.txfmmode == TX_SWITCHABLE) {
|
|
for (i = 0; i < 2; i++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.tx8p[i] = update_prob(&s->c, s->prob.p.tx8p[i]);
|
|
for (i = 0; i < 2; i++)
|
|
for (j = 0; j < 2; j++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.tx16p[i][j] =
|
|
update_prob(&s->c, s->prob.p.tx16p[i][j]);
|
|
for (i = 0; i < 2; i++)
|
|
for (j = 0; j < 3; j++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.tx32p[i][j] =
|
|
update_prob(&s->c, s->prob.p.tx32p[i][j]);
|
|
}
|
|
}
|
|
|
|
// coef updates
|
|
for (i = 0; i < 4; i++) {
|
|
uint8_t (*ref)[2][6][6][3] = s->prob_ctx[c].coef[i];
|
|
if (vp8_rac_get(&s->c)) {
|
|
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 *p = s->prob.coef[i][j][k][l][m];
|
|
uint8_t *r = ref[j][k][l][m];
|
|
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))
|
|
p[n] = update_prob(&s->c, r[n]);
|
|
else
|
|
p[n] = r[n];
|
|
}
|
|
memcpy(&p[3], ff_vp9_model_pareto8[p[2]], 8);
|
|
}
|
|
} else {
|
|
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 *p = s->prob.coef[i][j][k][l][m];
|
|
uint8_t *r = ref[j][k][l][m];
|
|
if (m > 3 && l == 0) // dc only has 3 pt
|
|
break;
|
|
memcpy(p, r, 3);
|
|
memcpy(&p[3], ff_vp9_model_pareto8[p[2]], 8);
|
|
}
|
|
}
|
|
if (s->s.h.txfmmode == i)
|
|
break;
|
|
}
|
|
|
|
// mode updates
|
|
for (i = 0; i < 3; i++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.skip[i] = update_prob(&s->c, s->prob.p.skip[i]);
|
|
if (!s->s.h.keyframe && !s->s.h.intraonly) {
|
|
for (i = 0; i < 7; i++)
|
|
for (j = 0; j < 3; j++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.mv_mode[i][j] =
|
|
update_prob(&s->c, s->prob.p.mv_mode[i][j]);
|
|
|
|
if (s->s.h.filtermode == FILTER_SWITCHABLE)
|
|
for (i = 0; i < 4; i++)
|
|
for (j = 0; j < 2; j++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.filter[i][j] =
|
|
update_prob(&s->c, s->prob.p.filter[i][j]);
|
|
|
|
for (i = 0; i < 4; i++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.intra[i] = update_prob(&s->c, s->prob.p.intra[i]);
|
|
|
|
if (s->s.h.allowcompinter) {
|
|
s->s.h.comppredmode = vp8_rac_get(&s->c);
|
|
if (s->s.h.comppredmode)
|
|
s->s.h.comppredmode += vp8_rac_get(&s->c);
|
|
if (s->s.h.comppredmode == PRED_SWITCHABLE)
|
|
for (i = 0; i < 5; i++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.comp[i] =
|
|
update_prob(&s->c, s->prob.p.comp[i]);
|
|
} else {
|
|
s->s.h.comppredmode = PRED_SINGLEREF;
|
|
}
|
|
|
|
if (s->s.h.comppredmode != PRED_COMPREF) {
|
|
for (i = 0; i < 5; i++) {
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.single_ref[i][0] =
|
|
update_prob(&s->c, s->prob.p.single_ref[i][0]);
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.single_ref[i][1] =
|
|
update_prob(&s->c, s->prob.p.single_ref[i][1]);
|
|
}
|
|
}
|
|
|
|
if (s->s.h.comppredmode != PRED_SINGLEREF) {
|
|
for (i = 0; i < 5; i++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.comp_ref[i] =
|
|
update_prob(&s->c, s->prob.p.comp_ref[i]);
|
|
}
|
|
|
|
for (i = 0; i < 4; i++)
|
|
for (j = 0; j < 9; j++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.y_mode[i][j] =
|
|
update_prob(&s->c, s->prob.p.y_mode[i][j]);
|
|
|
|
for (i = 0; i < 4; i++)
|
|
for (j = 0; j < 4; j++)
|
|
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]);
|
|
|
|
// mv fields don't use the update_prob subexp model for some reason
|
|
for (i = 0; i < 3; i++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.mv_joint[i] = (vp8_rac_get_uint(&s->c, 7) << 1) | 1;
|
|
|
|
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;
|
|
|
|
for (j = 0; j < 10; j++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.mv_comp[i].classes[j] =
|
|
(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;
|
|
|
|
for (j = 0; j < 10; j++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.mv_comp[i].bits[j] =
|
|
(vp8_rac_get_uint(&s->c, 7) << 1) | 1;
|
|
}
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
for (j = 0; j < 2; j++)
|
|
for (k = 0; k < 3; k++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.mv_comp[i].class0_fp[j][k] =
|
|
(vp8_rac_get_uint(&s->c, 7) << 1) | 1;
|
|
|
|
for (j = 0; j < 3; j++)
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.mv_comp[i].fp[j] =
|
|
(vp8_rac_get_uint(&s->c, 7) << 1) | 1;
|
|
}
|
|
|
|
if (s->s.h.highprecisionmvs) {
|
|
for (i = 0; i < 2; i++) {
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.mv_comp[i].class0_hp =
|
|
(vp8_rac_get_uint(&s->c, 7) << 1) | 1;
|
|
|
|
if (vp56_rac_get_prob_branchy(&s->c, 252))
|
|
s->prob.p.mv_comp[i].hp =
|
|
(vp8_rac_get_uint(&s->c, 7) << 1) | 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return (data2 - data) + size2;
|
|
}
|
|
|
|
static void decode_sb(VP9TileData *td, int row, int col, VP9Filter *lflvl,
|
|
ptrdiff_t yoff, ptrdiff_t uvoff, enum BlockLevel bl)
|
|
{
|
|
const VP9Context *s = td->s;
|
|
int c = ((s->above_partition_ctx[col] >> (3 - bl)) & 1) |
|
|
(((td->left_partition_ctx[row & 0x7] >> (3 - bl)) & 1) << 1);
|
|
const uint8_t *p = s->s.h.keyframe || s->s.h.intraonly ? ff_vp9_default_kf_partition_probs[bl][c] :
|
|
s->prob.p.partition[bl][c];
|
|
enum BlockPartition bp;
|
|
ptrdiff_t hbs = 4 >> bl;
|
|
AVFrame *f = s->s.frames[CUR_FRAME].tf.f;
|
|
ptrdiff_t y_stride = f->linesize[0], uv_stride = f->linesize[1];
|
|
int bytesperpixel = s->bytesperpixel;
|
|
|
|
if (bl == BL_8X8) {
|
|
bp = vp8_rac_get_tree(td->c, ff_vp9_partition_tree, p);
|
|
ff_vp9_decode_block(td, 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(td->c, ff_vp9_partition_tree, p);
|
|
switch (bp) {
|
|
case PARTITION_NONE:
|
|
ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, bl, bp);
|
|
break;
|
|
case PARTITION_H:
|
|
ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, bl, bp);
|
|
yoff += hbs * 8 * y_stride;
|
|
uvoff += hbs * 8 * uv_stride >> s->ss_v;
|
|
ff_vp9_decode_block(td, row + hbs, col, lflvl, yoff, uvoff, bl, bp);
|
|
break;
|
|
case PARTITION_V:
|
|
ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, bl, bp);
|
|
yoff += hbs * 8 * bytesperpixel;
|
|
uvoff += hbs * 8 * bytesperpixel >> s->ss_h;
|
|
ff_vp9_decode_block(td, row, col + hbs, lflvl, yoff, uvoff, bl, bp);
|
|
break;
|
|
case PARTITION_SPLIT:
|
|
decode_sb(td, row, col, lflvl, yoff, uvoff, bl + 1);
|
|
decode_sb(td, row, col + hbs, lflvl,
|
|
yoff + 8 * hbs * bytesperpixel,
|
|
uvoff + (8 * hbs * bytesperpixel >> s->ss_h), bl + 1);
|
|
yoff += hbs * 8 * y_stride;
|
|
uvoff += hbs * 8 * uv_stride >> s->ss_v;
|
|
decode_sb(td, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
|
|
decode_sb(td, row + hbs, col + hbs, lflvl,
|
|
yoff + 8 * hbs * bytesperpixel,
|
|
uvoff + (8 * hbs * bytesperpixel >> s->ss_h), bl + 1);
|
|
break;
|
|
default:
|
|
av_assert0(0);
|
|
}
|
|
} else if (vp56_rac_get_prob_branchy(td->c, p[1])) {
|
|
bp = PARTITION_SPLIT;
|
|
decode_sb(td, row, col, lflvl, yoff, uvoff, bl + 1);
|
|
decode_sb(td, row, col + hbs, lflvl,
|
|
yoff + 8 * hbs * bytesperpixel,
|
|
uvoff + (8 * hbs * bytesperpixel >> s->ss_h), bl + 1);
|
|
} else {
|
|
bp = PARTITION_H;
|
|
ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, bl, bp);
|
|
}
|
|
} else if (row + hbs < s->rows) { // FIXME why not <=?
|
|
if (vp56_rac_get_prob_branchy(td->c, p[2])) {
|
|
bp = PARTITION_SPLIT;
|
|
decode_sb(td, row, col, lflvl, yoff, uvoff, bl + 1);
|
|
yoff += hbs * 8 * y_stride;
|
|
uvoff += hbs * 8 * uv_stride >> s->ss_v;
|
|
decode_sb(td, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
|
|
} else {
|
|
bp = PARTITION_V;
|
|
ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, bl, bp);
|
|
}
|
|
} else {
|
|
bp = PARTITION_SPLIT;
|
|
decode_sb(td, row, col, lflvl, yoff, uvoff, bl + 1);
|
|
}
|
|
td->counts.partition[bl][c][bp]++;
|
|
}
|
|
|
|
static void decode_sb_mem(VP9TileData *td, int row, int col, VP9Filter *lflvl,
|
|
ptrdiff_t yoff, ptrdiff_t uvoff, enum BlockLevel bl)
|
|
{
|
|
const VP9Context *s = td->s;
|
|
VP9Block *b = td->b;
|
|
ptrdiff_t hbs = 4 >> bl;
|
|
AVFrame *f = s->s.frames[CUR_FRAME].tf.f;
|
|
ptrdiff_t y_stride = f->linesize[0], uv_stride = f->linesize[1];
|
|
int bytesperpixel = s->bytesperpixel;
|
|
|
|
if (bl == BL_8X8) {
|
|
av_assert2(b->bl == BL_8X8);
|
|
ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, b->bl, b->bp);
|
|
} else if (td->b->bl == bl) {
|
|
ff_vp9_decode_block(td, 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 * 8 * uv_stride >> s->ss_v;
|
|
ff_vp9_decode_block(td, row + hbs, col, lflvl, yoff, uvoff, b->bl, b->bp);
|
|
} else if (b->bp == PARTITION_V && col + hbs < s->cols) {
|
|
yoff += hbs * 8 * bytesperpixel;
|
|
uvoff += hbs * 8 * bytesperpixel >> s->ss_h;
|
|
ff_vp9_decode_block(td, row, col + hbs, lflvl, yoff, uvoff, b->bl, b->bp);
|
|
}
|
|
} else {
|
|
decode_sb_mem(td, row, col, lflvl, yoff, uvoff, bl + 1);
|
|
if (col + hbs < s->cols) { // FIXME why not <=?
|
|
if (row + hbs < s->rows) {
|
|
decode_sb_mem(td, row, col + hbs, lflvl, yoff + 8 * hbs * bytesperpixel,
|
|
uvoff + (8 * hbs * bytesperpixel >> s->ss_h), bl + 1);
|
|
yoff += hbs * 8 * y_stride;
|
|
uvoff += hbs * 8 * uv_stride >> s->ss_v;
|
|
decode_sb_mem(td, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
|
|
decode_sb_mem(td, row + hbs, col + hbs, lflvl,
|
|
yoff + 8 * hbs * bytesperpixel,
|
|
uvoff + (8 * hbs * bytesperpixel >> s->ss_h), bl + 1);
|
|
} else {
|
|
yoff += hbs * 8 * bytesperpixel;
|
|
uvoff += hbs * 8 * bytesperpixel >> s->ss_h;
|
|
decode_sb_mem(td, row, col + hbs, lflvl, yoff, uvoff, bl + 1);
|
|
}
|
|
} else if (row + hbs < s->rows) {
|
|
yoff += hbs * 8 * y_stride;
|
|
uvoff += hbs * 8 * uv_stride >> s->ss_v;
|
|
decode_sb_mem(td, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
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_end = ((idx + 1) * n) >> log2_n;
|
|
*start = FFMIN(sb_start, n) << 3;
|
|
*end = FFMIN(sb_end, n) << 3;
|
|
}
|
|
|
|
static void free_buffers(VP9Context *s)
|
|
{
|
|
int i;
|
|
|
|
av_freep(&s->intra_pred_data[0]);
|
|
for (i = 0; i < s->active_tile_cols; i++) {
|
|
av_freep(&s->td[i].b_base);
|
|
av_freep(&s->td[i].block_base);
|
|
}
|
|
}
|
|
|
|
static av_cold int vp9_decode_free(AVCodecContext *avctx)
|
|
{
|
|
VP9Context *s = avctx->priv_data;
|
|
int i;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
if (s->s.frames[i].tf.f->buf[0])
|
|
vp9_frame_unref(avctx, &s->s.frames[i]);
|
|
av_frame_free(&s->s.frames[i].tf.f);
|
|
}
|
|
for (i = 0; i < 8; i++) {
|
|
if (s->s.refs[i].f->buf[0])
|
|
ff_thread_release_buffer(avctx, &s->s.refs[i]);
|
|
av_frame_free(&s->s.refs[i].f);
|
|
if (s->next_refs[i].f->buf[0])
|
|
ff_thread_release_buffer(avctx, &s->next_refs[i]);
|
|
av_frame_free(&s->next_refs[i].f);
|
|
}
|
|
|
|
free_buffers(s);
|
|
vp9_free_entries(avctx);
|
|
av_freep(&s->td);
|
|
return 0;
|
|
}
|
|
|
|
static int decode_tiles(AVCodecContext *avctx,
|
|
const uint8_t *data, int size)
|
|
{
|
|
VP9Context *s = avctx->priv_data;
|
|
VP9TileData *td = &s->td[0];
|
|
int row, col, tile_row, tile_col, ret;
|
|
int bytesperpixel;
|
|
int tile_row_start, tile_row_end, tile_col_start, tile_col_end;
|
|
AVFrame *f;
|
|
ptrdiff_t yoff, uvoff, ls_y, ls_uv;
|
|
|
|
f = s->s.frames[CUR_FRAME].tf.f;
|
|
ls_y = f->linesize[0];
|
|
ls_uv =f->linesize[1];
|
|
bytesperpixel = s->bytesperpixel;
|
|
|
|
yoff = uvoff = 0;
|
|
for (tile_row = 0; tile_row < s->s.h.tiling.tile_rows; tile_row++) {
|
|
set_tile_offset(&tile_row_start, &tile_row_end,
|
|
tile_row, s->s.h.tiling.log2_tile_rows, s->sb_rows);
|
|
|
|
for (tile_col = 0; tile_col < s->s.h.tiling.tile_cols; tile_col++) {
|
|
int64_t tile_size;
|
|
|
|
if (tile_col == s->s.h.tiling.tile_cols - 1 &&
|
|
tile_row == s->s.h.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->s.frames[CUR_FRAME].tf, INT_MAX, 0);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
ret = ff_vp56_init_range_decoder(&td->c_b[tile_col], data, tile_size);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (vp56_rac_get_prob_branchy(&td->c_b[tile_col], 128)) { // marker bit
|
|
ff_thread_report_progress(&s->s.frames[CUR_FRAME].tf, INT_MAX, 0);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
data += tile_size;
|
|
size -= tile_size;
|
|
}
|
|
|
|
for (row = tile_row_start; row < tile_row_end;
|
|
row += 8, yoff += ls_y * 64, uvoff += ls_uv * 64 >> s->ss_v) {
|
|
VP9Filter *lflvl_ptr = s->lflvl;
|
|
ptrdiff_t yoff2 = yoff, uvoff2 = uvoff;
|
|
|
|
for (tile_col = 0; tile_col < s->s.h.tiling.tile_cols; tile_col++) {
|
|
set_tile_offset(&tile_col_start, &tile_col_end,
|
|
tile_col, s->s.h.tiling.log2_tile_cols, s->sb_cols);
|
|
td->tile_col_start = tile_col_start;
|
|
if (s->pass != 2) {
|
|
memset(td->left_partition_ctx, 0, 8);
|
|
memset(td->left_skip_ctx, 0, 8);
|
|
if (s->s.h.keyframe || s->s.h.intraonly) {
|
|
memset(td->left_mode_ctx, DC_PRED, 16);
|
|
} else {
|
|
memset(td->left_mode_ctx, NEARESTMV, 8);
|
|
}
|
|
memset(td->left_y_nnz_ctx, 0, 16);
|
|
memset(td->left_uv_nnz_ctx, 0, 32);
|
|
memset(td->left_segpred_ctx, 0, 8);
|
|
|
|
td->c = &td->c_b[tile_col];
|
|
}
|
|
|
|
for (col = tile_col_start;
|
|
col < tile_col_end;
|
|
col += 8, yoff2 += 64 * bytesperpixel,
|
|
uvoff2 += 64 * bytesperpixel >> s->ss_h, 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(td, row, col, lflvl_ptr,
|
|
yoff2, uvoff2, BL_64X64);
|
|
} else {
|
|
decode_sb(td, row, col, lflvl_ptr,
|
|
yoff2, uvoff2, BL_64X64);
|
|
}
|
|
}
|
|
}
|
|
|
|
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 * bytesperpixel);
|
|
memcpy(s->intra_pred_data[1],
|
|
f->data[1] + uvoff + ((64 >> s->ss_v) - 1) * ls_uv,
|
|
8 * s->cols * bytesperpixel >> s->ss_h);
|
|
memcpy(s->intra_pred_data[2],
|
|
f->data[2] + uvoff + ((64 >> s->ss_v) - 1) * ls_uv,
|
|
8 * s->cols * bytesperpixel >> s->ss_h);
|
|
}
|
|
|
|
// loopfilter one row
|
|
if (s->s.h.filter.level) {
|
|
yoff2 = yoff;
|
|
uvoff2 = uvoff;
|
|
lflvl_ptr = s->lflvl;
|
|
for (col = 0; col < s->cols;
|
|
col += 8, yoff2 += 64 * bytesperpixel,
|
|
uvoff2 += 64 * bytesperpixel >> s->ss_h, lflvl_ptr++) {
|
|
ff_vp9_loopfilter_sb(avctx, lflvl_ptr, row, col,
|
|
yoff2, uvoff2);
|
|
}
|
|
}
|
|
|
|
// 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->s.frames[CUR_FRAME].tf, row >> 3, 0);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#if HAVE_THREADS
|
|
static av_always_inline
|
|
int decode_tiles_mt(AVCodecContext *avctx, void *tdata, int jobnr,
|
|
int threadnr)
|
|
{
|
|
VP9Context *s = avctx->priv_data;
|
|
VP9TileData *td = &s->td[jobnr];
|
|
ptrdiff_t uvoff, yoff, ls_y, ls_uv;
|
|
int bytesperpixel = s->bytesperpixel, row, col, tile_row;
|
|
unsigned tile_cols_len;
|
|
int tile_row_start, tile_row_end, tile_col_start, tile_col_end;
|
|
VP9Filter *lflvl_ptr_base;
|
|
AVFrame *f;
|
|
|
|
f = s->s.frames[CUR_FRAME].tf.f;
|
|
ls_y = f->linesize[0];
|
|
ls_uv =f->linesize[1];
|
|
|
|
set_tile_offset(&tile_col_start, &tile_col_end,
|
|
jobnr, s->s.h.tiling.log2_tile_cols, s->sb_cols);
|
|
td->tile_col_start = tile_col_start;
|
|
uvoff = (64 * bytesperpixel >> s->ss_h)*(tile_col_start >> 3);
|
|
yoff = (64 * bytesperpixel)*(tile_col_start >> 3);
|
|
lflvl_ptr_base = s->lflvl+(tile_col_start >> 3);
|
|
|
|
for (tile_row = 0; tile_row < s->s.h.tiling.tile_rows; tile_row++) {
|
|
set_tile_offset(&tile_row_start, &tile_row_end,
|
|
tile_row, s->s.h.tiling.log2_tile_rows, s->sb_rows);
|
|
|
|
td->c = &td->c_b[tile_row];
|
|
for (row = tile_row_start; row < tile_row_end;
|
|
row += 8, yoff += ls_y * 64, uvoff += ls_uv * 64 >> s->ss_v) {
|
|
ptrdiff_t yoff2 = yoff, uvoff2 = uvoff;
|
|
VP9Filter *lflvl_ptr = lflvl_ptr_base+s->sb_cols*(row >> 3);
|
|
|
|
memset(td->left_partition_ctx, 0, 8);
|
|
memset(td->left_skip_ctx, 0, 8);
|
|
if (s->s.h.keyframe || s->s.h.intraonly) {
|
|
memset(td->left_mode_ctx, DC_PRED, 16);
|
|
} else {
|
|
memset(td->left_mode_ctx, NEARESTMV, 8);
|
|
}
|
|
memset(td->left_y_nnz_ctx, 0, 16);
|
|
memset(td->left_uv_nnz_ctx, 0, 32);
|
|
memset(td->left_segpred_ctx, 0, 8);
|
|
|
|
for (col = tile_col_start;
|
|
col < tile_col_end;
|
|
col += 8, yoff2 += 64 * bytesperpixel,
|
|
uvoff2 += 64 * bytesperpixel >> s->ss_h, lflvl_ptr++) {
|
|
// FIXME integrate with lf code (i.e. zero after each
|
|
// use, similar to invtxfm coefficients, or similar)
|
|
memset(lflvl_ptr->mask, 0, sizeof(lflvl_ptr->mask));
|
|
decode_sb(td, row, col, lflvl_ptr,
|
|
yoff2, uvoff2, BL_64X64);
|
|
}
|
|
|
|
// backup pre-loopfilter reconstruction data for intra
|
|
// prediction of next row of sb64s
|
|
tile_cols_len = tile_col_end - tile_col_start;
|
|
if (row + 8 < s->rows) {
|
|
memcpy(s->intra_pred_data[0] + (tile_col_start * 8 * bytesperpixel),
|
|
f->data[0] + yoff + 63 * ls_y,
|
|
8 * tile_cols_len * bytesperpixel);
|
|
memcpy(s->intra_pred_data[1] + (tile_col_start * 8 * bytesperpixel >> s->ss_h),
|
|
f->data[1] + uvoff + ((64 >> s->ss_v) - 1) * ls_uv,
|
|
8 * tile_cols_len * bytesperpixel >> s->ss_h);
|
|
memcpy(s->intra_pred_data[2] + (tile_col_start * 8 * bytesperpixel >> s->ss_h),
|
|
f->data[2] + uvoff + ((64 >> s->ss_v) - 1) * ls_uv,
|
|
8 * tile_cols_len * bytesperpixel >> s->ss_h);
|
|
}
|
|
|
|
vp9_report_tile_progress(s, row >> 3, 1);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static av_always_inline
|
|
int loopfilter_proc(AVCodecContext *avctx)
|
|
{
|
|
VP9Context *s = avctx->priv_data;
|
|
ptrdiff_t uvoff, yoff, ls_y, ls_uv;
|
|
VP9Filter *lflvl_ptr;
|
|
int bytesperpixel = s->bytesperpixel, col, i;
|
|
AVFrame *f;
|
|
|
|
f = s->s.frames[CUR_FRAME].tf.f;
|
|
ls_y = f->linesize[0];
|
|
ls_uv =f->linesize[1];
|
|
|
|
for (i = 0; i < s->sb_rows; i++) {
|
|
vp9_await_tile_progress(s, i, s->s.h.tiling.tile_cols);
|
|
|
|
if (s->s.h.filter.level) {
|
|
yoff = (ls_y * 64)*i;
|
|
uvoff = (ls_uv * 64 >> s->ss_v)*i;
|
|
lflvl_ptr = s->lflvl+s->sb_cols*i;
|
|
for (col = 0; col < s->cols;
|
|
col += 8, yoff += 64 * bytesperpixel,
|
|
uvoff += 64 * bytesperpixel >> s->ss_h, lflvl_ptr++) {
|
|
ff_vp9_loopfilter_sb(avctx, lflvl_ptr, i << 3, col,
|
|
yoff, uvoff);
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int vp9_decode_frame(AVCodecContext *avctx, void *frame,
|
|
int *got_frame, AVPacket *pkt)
|
|
{
|
|
const uint8_t *data = pkt->data;
|
|
int size = pkt->size;
|
|
VP9Context *s = avctx->priv_data;
|
|
int ret, i, j, ref;
|
|
int retain_segmap_ref = s->s.frames[REF_FRAME_SEGMAP].segmentation_map &&
|
|
(!s->s.h.segmentation.enabled || !s->s.h.segmentation.update_map);
|
|
AVFrame *f;
|
|
|
|
if ((ret = decode_frame_header(avctx, data, size, &ref)) < 0) {
|
|
return ret;
|
|
} else if (ret == 0) {
|
|
if (!s->s.refs[ref].f->buf[0]) {
|
|
av_log(avctx, AV_LOG_ERROR, "Requested reference %d not available\n", ref);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
if ((ret = av_frame_ref(frame, s->s.refs[ref].f)) < 0)
|
|
return ret;
|
|
((AVFrame *)frame)->pts = pkt->pts;
|
|
#if FF_API_PKT_PTS
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
((AVFrame *)frame)->pkt_pts = pkt->pts;
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif
|
|
((AVFrame *)frame)->pkt_dts = pkt->dts;
|
|
for (i = 0; i < 8; i++) {
|
|
if (s->next_refs[i].f->buf[0])
|
|
ff_thread_release_buffer(avctx, &s->next_refs[i]);
|
|
if (s->s.refs[i].f->buf[0] &&
|
|
(ret = ff_thread_ref_frame(&s->next_refs[i], &s->s.refs[i])) < 0)
|
|
return ret;
|
|
}
|
|
*got_frame = 1;
|
|
return pkt->size;
|
|
}
|
|
data += ret;
|
|
size -= ret;
|
|
|
|
if (!retain_segmap_ref || s->s.h.keyframe || s->s.h.intraonly) {
|
|
if (s->s.frames[REF_FRAME_SEGMAP].tf.f->buf[0])
|
|
vp9_frame_unref(avctx, &s->s.frames[REF_FRAME_SEGMAP]);
|
|
if (!s->s.h.keyframe && !s->s.h.intraonly && !s->s.h.errorres && s->s.frames[CUR_FRAME].tf.f->buf[0] &&
|
|
(ret = vp9_frame_ref(avctx, &s->s.frames[REF_FRAME_SEGMAP], &s->s.frames[CUR_FRAME])) < 0)
|
|
return ret;
|
|
}
|
|
if (s->s.frames[REF_FRAME_MVPAIR].tf.f->buf[0])
|
|
vp9_frame_unref(avctx, &s->s.frames[REF_FRAME_MVPAIR]);
|
|
if (!s->s.h.intraonly && !s->s.h.keyframe && !s->s.h.errorres && s->s.frames[CUR_FRAME].tf.f->buf[0] &&
|
|
(ret = vp9_frame_ref(avctx, &s->s.frames[REF_FRAME_MVPAIR], &s->s.frames[CUR_FRAME])) < 0)
|
|
return ret;
|
|
if (s->s.frames[CUR_FRAME].tf.f->buf[0])
|
|
vp9_frame_unref(avctx, &s->s.frames[CUR_FRAME]);
|
|
if ((ret = vp9_frame_alloc(avctx, &s->s.frames[CUR_FRAME])) < 0)
|
|
return ret;
|
|
f = s->s.frames[CUR_FRAME].tf.f;
|
|
f->key_frame = s->s.h.keyframe;
|
|
f->pict_type = (s->s.h.keyframe || s->s.h.intraonly) ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
|
|
|
|
if (s->s.frames[REF_FRAME_SEGMAP].tf.f->buf[0] &&
|
|
(s->s.frames[REF_FRAME_MVPAIR].tf.f->width != s->s.frames[CUR_FRAME].tf.f->width ||
|
|
s->s.frames[REF_FRAME_MVPAIR].tf.f->height != s->s.frames[CUR_FRAME].tf.f->height)) {
|
|
vp9_frame_unref(avctx, &s->s.frames[REF_FRAME_SEGMAP]);
|
|
}
|
|
|
|
// ref frame setup
|
|
for (i = 0; i < 8; i++) {
|
|
if (s->next_refs[i].f->buf[0])
|
|
ff_thread_release_buffer(avctx, &s->next_refs[i]);
|
|
if (s->s.h.refreshrefmask & (1 << i)) {
|
|
ret = ff_thread_ref_frame(&s->next_refs[i], &s->s.frames[CUR_FRAME].tf);
|
|
} else if (s->s.refs[i].f->buf[0]) {
|
|
ret = ff_thread_ref_frame(&s->next_refs[i], &s->s.refs[i]);
|
|
}
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
if (avctx->hwaccel) {
|
|
ret = avctx->hwaccel->start_frame(avctx, NULL, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
ret = avctx->hwaccel->decode_slice(avctx, pkt->data, pkt->size);
|
|
if (ret < 0)
|
|
return ret;
|
|
ret = avctx->hwaccel->end_frame(avctx);
|
|
if (ret < 0)
|
|
return ret;
|
|
goto finish;
|
|
}
|
|
|
|
// main tile decode loop
|
|
memset(s->above_partition_ctx, 0, s->cols);
|
|
memset(s->above_skip_ctx, 0, s->cols);
|
|
if (s->s.h.keyframe || s->s.h.intraonly) {
|
|
memset(s->above_mode_ctx, DC_PRED, s->cols * 2);
|
|
} 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 * 16 >> s->ss_h);
|
|
memset(s->above_uv_nnz_ctx[1], 0, s->sb_cols * 16 >> s->ss_h);
|
|
memset(s->above_segpred_ctx, 0, s->cols);
|
|
s->pass = s->s.frames[CUR_FRAME].uses_2pass =
|
|
avctx->active_thread_type == FF_THREAD_FRAME && s->s.h.refreshctx && !s->s.h.parallelmode;
|
|
if ((ret = update_block_buffers(avctx)) < 0) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Failed to allocate block buffers\n");
|
|
return ret;
|
|
}
|
|
if (s->s.h.refreshctx && s->s.h.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->s.h.framectxid].coef[i][j][k][l][m],
|
|
s->prob.coef[i][j][k][l][m], 3);
|
|
if (s->s.h.txfmmode == i)
|
|
break;
|
|
}
|
|
s->prob_ctx[s->s.h.framectxid].p = s->prob.p;
|
|
ff_thread_finish_setup(avctx);
|
|
} else if (!s->s.h.refreshctx) {
|
|
ff_thread_finish_setup(avctx);
|
|
}
|
|
|
|
#if HAVE_THREADS
|
|
if (avctx->active_thread_type & FF_THREAD_SLICE) {
|
|
for (i = 0; i < s->sb_rows; i++)
|
|
atomic_store(&s->entries[i], 0);
|
|
}
|
|
#endif
|
|
|
|
do {
|
|
for (i = 0; i < s->active_tile_cols; i++) {
|
|
s->td[i].b = s->td[i].b_base;
|
|
s->td[i].block = s->td[i].block_base;
|
|
s->td[i].uvblock[0] = s->td[i].uvblock_base[0];
|
|
s->td[i].uvblock[1] = s->td[i].uvblock_base[1];
|
|
s->td[i].eob = s->td[i].eob_base;
|
|
s->td[i].uveob[0] = s->td[i].uveob_base[0];
|
|
s->td[i].uveob[1] = s->td[i].uveob_base[1];
|
|
}
|
|
|
|
#if HAVE_THREADS
|
|
if (avctx->active_thread_type == FF_THREAD_SLICE) {
|
|
int tile_row, tile_col;
|
|
|
|
av_assert1(!s->pass);
|
|
|
|
for (tile_row = 0; tile_row < s->s.h.tiling.tile_rows; tile_row++) {
|
|
for (tile_col = 0; tile_col < s->s.h.tiling.tile_cols; tile_col++) {
|
|
int64_t tile_size;
|
|
|
|
if (tile_col == s->s.h.tiling.tile_cols - 1 &&
|
|
tile_row == s->s.h.tiling.tile_rows - 1) {
|
|
tile_size = size;
|
|
} else {
|
|
tile_size = AV_RB32(data);
|
|
data += 4;
|
|
size -= 4;
|
|
}
|
|
if (tile_size > size)
|
|
return AVERROR_INVALIDDATA;
|
|
ret = ff_vp56_init_range_decoder(&s->td[tile_col].c_b[tile_row], data, tile_size);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (vp56_rac_get_prob_branchy(&s->td[tile_col].c_b[tile_row], 128)) // marker bit
|
|
return AVERROR_INVALIDDATA;
|
|
data += tile_size;
|
|
size -= tile_size;
|
|
}
|
|
}
|
|
|
|
ff_slice_thread_execute_with_mainfunc(avctx, decode_tiles_mt, loopfilter_proc, s->td, NULL, s->s.h.tiling.tile_cols);
|
|
} else
|
|
#endif
|
|
{
|
|
ret = decode_tiles(avctx, data, size);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
// Sum all counts fields into td[0].counts for tile threading
|
|
if (avctx->active_thread_type == FF_THREAD_SLICE)
|
|
for (i = 1; i < s->s.h.tiling.tile_cols; i++)
|
|
for (j = 0; j < sizeof(s->td[i].counts) / sizeof(unsigned); j++)
|
|
((unsigned *)&s->td[0].counts)[j] += ((unsigned *)&s->td[i].counts)[j];
|
|
|
|
if (s->pass < 2 && s->s.h.refreshctx && !s->s.h.parallelmode) {
|
|
ff_vp9_adapt_probs(s);
|
|
ff_thread_finish_setup(avctx);
|
|
}
|
|
} while (s->pass++ == 1);
|
|
ff_thread_report_progress(&s->s.frames[CUR_FRAME].tf, INT_MAX, 0);
|
|
|
|
finish:
|
|
// ref frame setup
|
|
for (i = 0; i < 8; i++) {
|
|
if (s->s.refs[i].f->buf[0])
|
|
ff_thread_release_buffer(avctx, &s->s.refs[i]);
|
|
if (s->next_refs[i].f->buf[0] &&
|
|
(ret = ff_thread_ref_frame(&s->s.refs[i], &s->next_refs[i])) < 0)
|
|
return ret;
|
|
}
|
|
|
|
if (!s->s.h.invisible) {
|
|
if ((ret = av_frame_ref(frame, s->s.frames[CUR_FRAME].tf.f)) < 0)
|
|
return ret;
|
|
*got_frame = 1;
|
|
}
|
|
|
|
return pkt->size;
|
|
}
|
|
|
|
static void vp9_decode_flush(AVCodecContext *avctx)
|
|
{
|
|
VP9Context *s = avctx->priv_data;
|
|
int i;
|
|
|
|
for (i = 0; i < 3; i++)
|
|
vp9_frame_unref(avctx, &s->s.frames[i]);
|
|
for (i = 0; i < 8; i++)
|
|
ff_thread_release_buffer(avctx, &s->s.refs[i]);
|
|
}
|
|
|
|
static int init_frames(AVCodecContext *avctx)
|
|
{
|
|
VP9Context *s = avctx->priv_data;
|
|
int i;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
s->s.frames[i].tf.f = av_frame_alloc();
|
|
if (!s->s.frames[i].tf.f) {
|
|
vp9_decode_free(avctx);
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to allocate frame buffer %d\n", i);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
}
|
|
for (i = 0; i < 8; i++) {
|
|
s->s.refs[i].f = av_frame_alloc();
|
|
s->next_refs[i].f = av_frame_alloc();
|
|
if (!s->s.refs[i].f || !s->next_refs[i].f) {
|
|
vp9_decode_free(avctx);
|
|
av_log(avctx, 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)
|
|
{
|
|
VP9Context *s = avctx->priv_data;
|
|
|
|
avctx->internal->allocate_progress = 1;
|
|
s->last_bpp = 0;
|
|
s->s.h.filter.sharpness = -1;
|
|
|
|
return init_frames(avctx);
|
|
}
|
|
|
|
#if HAVE_THREADS
|
|
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, ret;
|
|
VP9Context *s = dst->priv_data, *ssrc = src->priv_data;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
if (s->s.frames[i].tf.f->buf[0])
|
|
vp9_frame_unref(dst, &s->s.frames[i]);
|
|
if (ssrc->s.frames[i].tf.f->buf[0]) {
|
|
if ((ret = vp9_frame_ref(dst, &s->s.frames[i], &ssrc->s.frames[i])) < 0)
|
|
return ret;
|
|
}
|
|
}
|
|
for (i = 0; i < 8; i++) {
|
|
if (s->s.refs[i].f->buf[0])
|
|
ff_thread_release_buffer(dst, &s->s.refs[i]);
|
|
if (ssrc->next_refs[i].f->buf[0]) {
|
|
if ((ret = ff_thread_ref_frame(&s->s.refs[i], &ssrc->next_refs[i])) < 0)
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
s->s.h.invisible = ssrc->s.h.invisible;
|
|
s->s.h.keyframe = ssrc->s.h.keyframe;
|
|
s->s.h.intraonly = ssrc->s.h.intraonly;
|
|
s->ss_v = ssrc->ss_v;
|
|
s->ss_h = ssrc->ss_h;
|
|
s->s.h.segmentation.enabled = ssrc->s.h.segmentation.enabled;
|
|
s->s.h.segmentation.update_map = ssrc->s.h.segmentation.update_map;
|
|
s->s.h.segmentation.absolute_vals = ssrc->s.h.segmentation.absolute_vals;
|
|
s->bytesperpixel = ssrc->bytesperpixel;
|
|
s->gf_fmt = ssrc->gf_fmt;
|
|
s->w = ssrc->w;
|
|
s->h = ssrc->h;
|
|
s->s.h.bpp = ssrc->s.h.bpp;
|
|
s->bpp_index = ssrc->bpp_index;
|
|
s->pix_fmt = ssrc->pix_fmt;
|
|
memcpy(&s->prob_ctx, &ssrc->prob_ctx, sizeof(s->prob_ctx));
|
|
memcpy(&s->s.h.lf_delta, &ssrc->s.h.lf_delta, sizeof(s->s.h.lf_delta));
|
|
memcpy(&s->s.h.segmentation.feat, &ssrc->s.h.segmentation.feat,
|
|
sizeof(s->s.h.segmentation.feat));
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
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,
|
|
.close = vp9_decode_free,
|
|
.decode = vp9_decode_frame,
|
|
.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS | AV_CODEC_CAP_SLICE_THREADS,
|
|
.caps_internal = FF_CODEC_CAP_SLICE_THREAD_HAS_MF,
|
|
.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),
|
|
.profiles = NULL_IF_CONFIG_SMALL(ff_vp9_profiles),
|
|
};
|