/* * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <va/va.h>#include <va/va_enc_vp9.h> #include "libavutil/avassert.h"#include "libavutil/common.h"#include "libavutil/internal.h"#include "libavutil/opt.h"#include "libavutil/pixfmt.h" #include "avcodec.h"#include "internal.h"#include "vaapi_encode.h" #define VP9_MAX_QUANT 255  typedef struct VAAPIEncodeVP9Picture {    int slot;} VAAPIEncodeVP9Picture; typedef struct VAAPIEncodeVP9Context {    VAAPIEncodeContext common;     // User options.    int loop_filter_level;    int loop_filter_sharpness;     // Derived settings.    int q_idx_idr;    int q_idx_p;    int q_idx_b;} VAAPIEncodeVP9Context;  static int vaapi_encode_vp9_init_sequence_params(AVCodecContext *avctx){    VAAPIEncodeContext               *ctx = avctx->priv_data;    VAEncSequenceParameterBufferVP9 *vseq = ctx->codec_sequence_params;    VAEncPictureParameterBufferVP9  *vpic = ctx->codec_picture_params;     vseq->max_frame_width  = avctx->width;    vseq->max_frame_height = avctx->height;     vseq->kf_auto = 0;     if (!(ctx->va_rc_mode & VA_RC_CQP)) {        vseq->bits_per_second = ctx->va_bit_rate;        vseq->intra_period    = ctx->gop_size;    }     vpic->frame_width_src  = avctx->width;    vpic->frame_height_src = avctx->height;    vpic->frame_width_dst  = avctx->width;    vpic->frame_height_dst = avctx->height;     return 0;} static int vaapi_encode_vp9_init_picture_params(AVCodecContext *avctx,                                                VAAPIEncodePicture *pic){    VAAPIEncodeContext              *ctx = avctx->priv_data;    VAAPIEncodeVP9Context          *priv = avctx->priv_data;    VAAPIEncodeVP9Picture          *hpic = pic->priv_data;    VAEncPictureParameterBufferVP9 *vpic = pic->codec_picture_params;    int i;     vpic->reconstructed_frame = pic->recon_surface;    vpic->coded_buf = pic->output_buffer;     switch (pic->type) {    case PICTURE_TYPE_IDR:        av_assert0(pic->nb_refs == 0);        vpic->ref_flags.bits.force_kf = 1;        vpic->refresh_frame_flags = 0xff;        hpic->slot = 0;        break;    case PICTURE_TYPE_P:        av_assert0(pic->nb_refs == 1);        {            VAAPIEncodeVP9Picture *href = pic->refs[0]->priv_data;            av_assert0(href->slot == 0 || href->slot == 1);             if (ctx->max_b_depth > 0) {                hpic->slot = !href->slot;                vpic->refresh_frame_flags = 1 << hpic->slot | 0xfc;            } else {                hpic->slot = 0;                vpic->refresh_frame_flags = 0xff;            }            vpic->ref_flags.bits.ref_frame_ctrl_l0  = 1;            vpic->ref_flags.bits.ref_last_idx       = href->slot;            vpic->ref_flags.bits.ref_last_sign_bias = 1;        }        break;    case PICTURE_TYPE_B:        av_assert0(pic->nb_refs == 2);        {            VAAPIEncodeVP9Picture *href0 = pic->refs[0]->priv_data,                                  *href1 = pic->refs[1]->priv_data;            av_assert0(href0->slot < pic->b_depth + 1 &&                       href1->slot < pic->b_depth + 1);             if (pic->b_depth == ctx->max_b_depth) {                // Unreferenced frame.                vpic->refresh_frame_flags = 0x00;                hpic->slot = 8;            } else {                vpic->refresh_frame_flags = 0xfe << pic->b_depth & 0xff;                hpic->slot = 1 + pic->b_depth;            }            vpic->ref_flags.bits.ref_frame_ctrl_l0  = 1;            vpic->ref_flags.bits.ref_frame_ctrl_l1  = 2;            vpic->ref_flags.bits.ref_last_idx       = href0->slot;            vpic->ref_flags.bits.ref_last_sign_bias = 1;            vpic->ref_flags.bits.ref_gf_idx         = href1->slot;            vpic->ref_flags.bits.ref_gf_sign_bias   = 0;        }        break;    default:        av_assert0(0 && "invalid picture type");    }    if (vpic->refresh_frame_flags == 0x00) {        av_log(avctx, AV_LOG_DEBUG, "Pic %"PRId64" not stored.\n",               pic->display_order);    } else {        av_log(avctx, AV_LOG_DEBUG, "Pic %"PRId64" stored in slot %d.\n",               pic->display_order, hpic->slot);    }     for (i = 0; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++)        vpic->reference_frames[i] = VA_INVALID_SURFACE;     for (i = 0; i < pic->nb_refs; i++) {        VAAPIEncodePicture *ref_pic = pic->refs[i];        int slot;        slot = ((VAAPIEncodeVP9Picture*)ref_pic->priv_data)->slot;        av_assert0(vpic->reference_frames[slot] == VA_INVALID_SURFACE);        vpic->reference_frames[slot] = ref_pic->recon_surface;    }     vpic->pic_flags.bits.frame_type = (pic->type != PICTURE_TYPE_IDR);    vpic->pic_flags.bits.show_frame = pic->display_order <= pic->encode_order;     if (pic->type == PICTURE_TYPE_IDR)        vpic->luma_ac_qindex     = priv->q_idx_idr;    else if (pic->type == PICTURE_TYPE_P)        vpic->luma_ac_qindex     = priv->q_idx_p;    else        vpic->luma_ac_qindex     = priv->q_idx_b;    vpic->luma_dc_qindex_delta   = 0;    vpic->chroma_ac_qindex_delta = 0;    vpic->chroma_dc_qindex_delta = 0;     vpic->filter_level    = priv->loop_filter_level;    vpic->sharpness_level = priv->loop_filter_sharpness;     return 0;} static av_cold int vaapi_encode_vp9_configure(AVCodecContext *avctx){    VAAPIEncodeContext     *ctx = avctx->priv_data;    VAAPIEncodeVP9Context *priv = avctx->priv_data;     if (ctx->rc_mode->quality) {        priv->q_idx_p = av_clip(ctx->rc_quality, 0, VP9_MAX_QUANT);        if (avctx->i_quant_factor > 0.0)            priv->q_idx_idr =                av_clip((avctx->i_quant_factor * priv->q_idx_p  +                         avctx->i_quant_offset) + 0.5,                        0, VP9_MAX_QUANT);        else            priv->q_idx_idr = priv->q_idx_p;        if (avctx->b_quant_factor > 0.0)            priv->q_idx_b =                av_clip((avctx->b_quant_factor * priv->q_idx_p  +                         avctx->b_quant_offset) + 0.5,                        0, VP9_MAX_QUANT);        else            priv->q_idx_b = priv->q_idx_p;    } else {        // Arbitrary value.        priv->q_idx_idr = priv->q_idx_p = priv->q_idx_b = 100;    }     ctx->roi_quant_range = VP9_MAX_QUANT;     return 0;} static const VAAPIEncodeProfile vaapi_encode_vp9_profiles[] = {    { FF_PROFILE_VP9_0,  8, 3, 1, 1, VAProfileVP9Profile0 },    { FF_PROFILE_VP9_2, 10, 3, 1, 1, VAProfileVP9Profile2 },    { FF_PROFILE_UNKNOWN }}; static const VAAPIEncodeType vaapi_encode_type_vp9 = {    .profiles              = vaapi_encode_vp9_profiles,     .flags                 = FLAG_B_PICTURES |                             FLAG_B_PICTURE_REFERENCES,     .default_quality       = 100,     .picture_priv_data_size = sizeof(VAAPIEncodeVP9Picture),     .configure             = &vaapi_encode_vp9_configure,     .sequence_params_size  = sizeof(VAEncSequenceParameterBufferVP9),    .init_sequence_params  = &vaapi_encode_vp9_init_sequence_params,     .picture_params_size   = sizeof(VAEncPictureParameterBufferVP9),    .init_picture_params   = &vaapi_encode_vp9_init_picture_params,}; static av_cold int vaapi_encode_vp9_init(AVCodecContext *avctx){    VAAPIEncodeContext *ctx = avctx->priv_data;     ctx->codec = &vaapi_encode_type_vp9;     // No packed headers are currently desired.  They could be written,    // but there isn't any reason to do so - the one usable driver (i965)    // can write its own headers and there is no metadata to include.    ctx->desired_packed_headers = 0;     // Surfaces must be aligned to superblock boundaries.    ctx->surface_width  = FFALIGN(avctx->width,  64);    ctx->surface_height = FFALIGN(avctx->height, 64);     return ff_vaapi_encode_init(avctx);} #define OFFSET(x) offsetof(VAAPIEncodeVP9Context, x)#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)static const AVOption vaapi_encode_vp9_options[] = {    VAAPI_ENCODE_COMMON_OPTIONS,    VAAPI_ENCODE_RC_OPTIONS,     { "loop_filter_level", "Loop filter level",      OFFSET(loop_filter_level), AV_OPT_TYPE_INT, { .i64 = 16 }, 0, 63, FLAGS },    { "loop_filter_sharpness", "Loop filter sharpness",      OFFSET(loop_filter_sharpness), AV_OPT_TYPE_INT, { .i64 = 4 }, 0, 15, FLAGS },    { NULL },}; static const AVCodecDefault vaapi_encode_vp9_defaults[] = {    { "b",              "0"   },    { "bf",             "0"   },    { "g",              "250" },    { "qmin",           "-1"  },    { "qmax",           "-1"  },    { NULL },}; static const AVClass vaapi_encode_vp9_class = {    .class_name = "vp9_vaapi",    .item_name  = av_default_item_name,    .option     = vaapi_encode_vp9_options,    .version    = LIBAVUTIL_VERSION_INT,}; AVCodec ff_vp9_vaapi_encoder = {    .name           = "vp9_vaapi",    .long_name      = NULL_IF_CONFIG_SMALL("VP9 (VAAPI)"),    .type           = AVMEDIA_TYPE_VIDEO,    .id             = AV_CODEC_ID_VP9,    .priv_data_size = sizeof(VAAPIEncodeVP9Context),    .init           = &vaapi_encode_vp9_init,    .receive_packet = &ff_vaapi_encode_receive_packet,    .close          = &ff_vaapi_encode_close,    .priv_class     = &vaapi_encode_vp9_class,    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,    .defaults       = vaapi_encode_vp9_defaults,    .pix_fmts = (const enum AVPixelFormat[]) {        AV_PIX_FMT_VAAPI,        AV_PIX_FMT_NONE,    },    .hw_configs     = ff_vaapi_encode_hw_configs,    .wrapper_name   = "vaapi",};