GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/vaapi_encode_vp9.c Lines: 0 109 0.0 %
Date: 2020-10-23 17:01:47 Branches: 0 42 0.0 %

Line Branch Exec Source
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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 <va/va.h>
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#include <va/va_enc_vp9.h>
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#include "libavutil/avassert.h"
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#include "libavutil/common.h"
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#include "libavutil/internal.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixfmt.h"
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#include "avcodec.h"
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#include "internal.h"
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#include "vaapi_encode.h"
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#define VP9_MAX_QUANT 255
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typedef struct VAAPIEncodeVP9Picture {
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    int slot;
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} VAAPIEncodeVP9Picture;
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typedef struct VAAPIEncodeVP9Context {
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    VAAPIEncodeContext common;
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    // User options.
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    int loop_filter_level;
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    int loop_filter_sharpness;
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    // Derived settings.
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    int q_idx_idr;
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    int q_idx_p;
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    int q_idx_b;
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} VAAPIEncodeVP9Context;
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static int vaapi_encode_vp9_init_sequence_params(AVCodecContext *avctx)
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{
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    VAAPIEncodeContext               *ctx = avctx->priv_data;
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    VAEncSequenceParameterBufferVP9 *vseq = ctx->codec_sequence_params;
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    VAEncPictureParameterBufferVP9  *vpic = ctx->codec_picture_params;
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    vseq->max_frame_width  = avctx->width;
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    vseq->max_frame_height = avctx->height;
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    vseq->kf_auto = 0;
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    if (!(ctx->va_rc_mode & VA_RC_CQP)) {
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        vseq->bits_per_second = ctx->va_bit_rate;
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        vseq->intra_period    = ctx->gop_size;
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    }
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    vpic->frame_width_src  = avctx->width;
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    vpic->frame_height_src = avctx->height;
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    vpic->frame_width_dst  = avctx->width;
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    vpic->frame_height_dst = avctx->height;
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    return 0;
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}
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static int vaapi_encode_vp9_init_picture_params(AVCodecContext *avctx,
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                                                VAAPIEncodePicture *pic)
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{
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    VAAPIEncodeContext              *ctx = avctx->priv_data;
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    VAAPIEncodeVP9Context          *priv = avctx->priv_data;
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    VAAPIEncodeVP9Picture          *hpic = pic->priv_data;
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    VAEncPictureParameterBufferVP9 *vpic = pic->codec_picture_params;
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    int i;
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    vpic->reconstructed_frame = pic->recon_surface;
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    vpic->coded_buf = pic->output_buffer;
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    switch (pic->type) {
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    case PICTURE_TYPE_IDR:
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        av_assert0(pic->nb_refs == 0);
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        vpic->ref_flags.bits.force_kf = 1;
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        vpic->refresh_frame_flags = 0xff;
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        hpic->slot = 0;
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        break;
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    case PICTURE_TYPE_P:
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        av_assert0(pic->nb_refs == 1);
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        {
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            VAAPIEncodeVP9Picture *href = pic->refs[0]->priv_data;
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            av_assert0(href->slot == 0 || href->slot == 1);
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            if (ctx->max_b_depth > 0) {
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                hpic->slot = !href->slot;
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                vpic->refresh_frame_flags = 1 << hpic->slot | 0xfc;
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            } else {
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                hpic->slot = 0;
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                vpic->refresh_frame_flags = 0xff;
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            }
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            vpic->ref_flags.bits.ref_frame_ctrl_l0  = 1;
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            vpic->ref_flags.bits.ref_last_idx       = href->slot;
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            vpic->ref_flags.bits.ref_last_sign_bias = 1;
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        }
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        break;
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    case PICTURE_TYPE_B:
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        av_assert0(pic->nb_refs == 2);
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        {
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            VAAPIEncodeVP9Picture *href0 = pic->refs[0]->priv_data,
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                                  *href1 = pic->refs[1]->priv_data;
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            av_assert0(href0->slot < pic->b_depth + 1 &&
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                       href1->slot < pic->b_depth + 1);
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            if (pic->b_depth == ctx->max_b_depth) {
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                // Unreferenced frame.
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                vpic->refresh_frame_flags = 0x00;
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                hpic->slot = 8;
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            } else {
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                vpic->refresh_frame_flags = 0xfe << pic->b_depth & 0xff;
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                hpic->slot = 1 + pic->b_depth;
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            }
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            vpic->ref_flags.bits.ref_frame_ctrl_l0  = 1;
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            vpic->ref_flags.bits.ref_frame_ctrl_l1  = 2;
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            vpic->ref_flags.bits.ref_last_idx       = href0->slot;
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            vpic->ref_flags.bits.ref_last_sign_bias = 1;
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            vpic->ref_flags.bits.ref_gf_idx         = href1->slot;
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            vpic->ref_flags.bits.ref_gf_sign_bias   = 0;
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        }
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        break;
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    default:
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        av_assert0(0 && "invalid picture type");
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    }
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    if (vpic->refresh_frame_flags == 0x00) {
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        av_log(avctx, AV_LOG_DEBUG, "Pic %"PRId64" not stored.\n",
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               pic->display_order);
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    } else {
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        av_log(avctx, AV_LOG_DEBUG, "Pic %"PRId64" stored in slot %d.\n",
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               pic->display_order, hpic->slot);
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    }
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    for (i = 0; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++)
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        vpic->reference_frames[i] = VA_INVALID_SURFACE;
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    for (i = 0; i < pic->nb_refs; i++) {
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        VAAPIEncodePicture *ref_pic = pic->refs[i];
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        int slot;
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        slot = ((VAAPIEncodeVP9Picture*)ref_pic->priv_data)->slot;
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        av_assert0(vpic->reference_frames[slot] == VA_INVALID_SURFACE);
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        vpic->reference_frames[slot] = ref_pic->recon_surface;
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    }
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    vpic->pic_flags.bits.frame_type = (pic->type != PICTURE_TYPE_IDR);
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    vpic->pic_flags.bits.show_frame = pic->display_order <= pic->encode_order;
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    if (pic->type == PICTURE_TYPE_IDR)
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        vpic->luma_ac_qindex     = priv->q_idx_idr;
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    else if (pic->type == PICTURE_TYPE_P)
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        vpic->luma_ac_qindex     = priv->q_idx_p;
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    else
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        vpic->luma_ac_qindex     = priv->q_idx_b;
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    vpic->luma_dc_qindex_delta   = 0;
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    vpic->chroma_ac_qindex_delta = 0;
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    vpic->chroma_dc_qindex_delta = 0;
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    vpic->filter_level    = priv->loop_filter_level;
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    vpic->sharpness_level = priv->loop_filter_sharpness;
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    return 0;
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}
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static av_cold int vaapi_encode_vp9_configure(AVCodecContext *avctx)
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{
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    VAAPIEncodeContext     *ctx = avctx->priv_data;
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    VAAPIEncodeVP9Context *priv = avctx->priv_data;
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    if (ctx->rc_mode->quality) {
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        priv->q_idx_p = av_clip(ctx->rc_quality, 0, VP9_MAX_QUANT);
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        if (avctx->i_quant_factor > 0.0)
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            priv->q_idx_idr =
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                av_clip((avctx->i_quant_factor * priv->q_idx_p  +
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                         avctx->i_quant_offset) + 0.5,
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                        0, VP9_MAX_QUANT);
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        else
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            priv->q_idx_idr = priv->q_idx_p;
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        if (avctx->b_quant_factor > 0.0)
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            priv->q_idx_b =
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                av_clip((avctx->b_quant_factor * priv->q_idx_p  +
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                         avctx->b_quant_offset) + 0.5,
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                        0, VP9_MAX_QUANT);
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        else
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            priv->q_idx_b = priv->q_idx_p;
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    } else {
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        // Arbitrary value.
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        priv->q_idx_idr = priv->q_idx_p = priv->q_idx_b = 100;
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    }
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    ctx->roi_quant_range = VP9_MAX_QUANT;
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    return 0;
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}
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static const VAAPIEncodeProfile vaapi_encode_vp9_profiles[] = {
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    { FF_PROFILE_VP9_0,  8, 3, 1, 1, VAProfileVP9Profile0 },
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    { FF_PROFILE_VP9_2, 10, 3, 1, 1, VAProfileVP9Profile2 },
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    { FF_PROFILE_UNKNOWN }
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};
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static const VAAPIEncodeType vaapi_encode_type_vp9 = {
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    .profiles              = vaapi_encode_vp9_profiles,
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    .flags                 = FLAG_B_PICTURES |
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                             FLAG_B_PICTURE_REFERENCES,
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    .default_quality       = 100,
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    .picture_priv_data_size = sizeof(VAAPIEncodeVP9Picture),
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    .configure             = &vaapi_encode_vp9_configure,
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    .sequence_params_size  = sizeof(VAEncSequenceParameterBufferVP9),
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    .init_sequence_params  = &vaapi_encode_vp9_init_sequence_params,
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    .picture_params_size   = sizeof(VAEncPictureParameterBufferVP9),
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    .init_picture_params   = &vaapi_encode_vp9_init_picture_params,
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};
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static av_cold int vaapi_encode_vp9_init(AVCodecContext *avctx)
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{
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    VAAPIEncodeContext *ctx = avctx->priv_data;
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    ctx->codec = &vaapi_encode_type_vp9;
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    // No packed headers are currently desired.  They could be written,
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    // but there isn't any reason to do so - the one usable driver (i965)
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    // can write its own headers and there is no metadata to include.
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    ctx->desired_packed_headers = 0;
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    // Surfaces must be aligned to superblock boundaries.
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    ctx->surface_width  = FFALIGN(avctx->width,  64);
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    ctx->surface_height = FFALIGN(avctx->height, 64);
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    return ff_vaapi_encode_init(avctx);
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}
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#define OFFSET(x) offsetof(VAAPIEncodeVP9Context, x)
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#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
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static const AVOption vaapi_encode_vp9_options[] = {
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    VAAPI_ENCODE_COMMON_OPTIONS,
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    VAAPI_ENCODE_RC_OPTIONS,
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    { "loop_filter_level", "Loop filter level",
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      OFFSET(loop_filter_level), AV_OPT_TYPE_INT, { .i64 = 16 }, 0, 63, FLAGS },
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    { "loop_filter_sharpness", "Loop filter sharpness",
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      OFFSET(loop_filter_sharpness), AV_OPT_TYPE_INT, { .i64 = 4 }, 0, 15, FLAGS },
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    { NULL },
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};
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static const AVCodecDefault vaapi_encode_vp9_defaults[] = {
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    { "b",              "0"   },
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    { "bf",             "0"   },
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    { "g",              "250" },
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    { "qmin",           "-1"  },
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    { "qmax",           "-1"  },
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    { NULL },
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};
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static const AVClass vaapi_encode_vp9_class = {
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    .class_name = "vp9_vaapi",
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    .item_name  = av_default_item_name,
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    .option     = vaapi_encode_vp9_options,
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    .version    = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_vp9_vaapi_encoder = {
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    .name           = "vp9_vaapi",
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    .long_name      = NULL_IF_CONFIG_SMALL("VP9 (VAAPI)"),
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    .type           = AVMEDIA_TYPE_VIDEO,
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    .id             = AV_CODEC_ID_VP9,
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    .priv_data_size = sizeof(VAAPIEncodeVP9Context),
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    .init           = &vaapi_encode_vp9_init,
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    .receive_packet = &ff_vaapi_encode_receive_packet,
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    .close          = &ff_vaapi_encode_close,
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    .priv_class     = &vaapi_encode_vp9_class,
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    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
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    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
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    .defaults       = vaapi_encode_vp9_defaults,
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    .pix_fmts = (const enum AVPixelFormat[]) {
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        AV_PIX_FMT_VAAPI,
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        AV_PIX_FMT_NONE,
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    },
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    .hw_configs     = ff_vaapi_encode_hw_configs,
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    .wrapper_name   = "vaapi",
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};