302 lines
10 KiB
C
302 lines
10 KiB
C
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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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};
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