/* * 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", };