mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
lavc: VAAPI H.264 encoder
Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
parent
104c804bca
commit
2c62fcdf5d
@ -53,6 +53,7 @@ version <next>:
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- compressed SWF
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- VAAPI-accelerated format conversion and scaling
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- libnpp/CUDA-accelerated format conversion and scaling
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- VAAPI-accelerate H.264 encoding
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version 11:
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3
configure
vendored
3
configure
vendored
@ -1956,6 +1956,8 @@ h264_qsv_decoder_deps="libmfx"
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h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
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h264_qsv_encoder_deps="libmfx"
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h264_qsv_encoder_select="qsvenc"
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h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
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h264_vaapi_encoder_select="vaapi_encode golomb"
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hap_decoder_select="snappy texturedsp"
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hap_encoder_deps="libsnappy"
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hap_encoder_select="texturedspenc"
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@ -4467,6 +4469,7 @@ check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
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check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
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check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
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check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
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check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
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@ -259,6 +259,7 @@ OBJS-$(CONFIG_H264_MMAL_DECODER) += mmaldec.o
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OBJS-$(CONFIG_H264_NVENC_ENCODER) += nvenc_h264.o
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OBJS-$(CONFIG_H264_QSV_DECODER) += qsvdec_h2645.o
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OBJS-$(CONFIG_H264_QSV_ENCODER) += qsvenc_h264.o
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OBJS-$(CONFIG_H264_VAAPI_ENCODER) += vaapi_encode_h264.o vaapi_encode_h26x.o
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OBJS-$(CONFIG_HAP_DECODER) += hapdec.o hap.o
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OBJS-$(CONFIG_HAP_ENCODER) += hapenc.o hap.o
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OBJS-$(CONFIG_HEVC_DECODER) += hevc.o hevc_mvs.o hevc_ps.o hevc_sei.o \
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@ -166,6 +166,7 @@ void avcodec_register_all(void)
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REGISTER_DECODER(H264, h264);
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REGISTER_DECODER(H264_MMAL, h264_mmal);
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REGISTER_DECODER(H264_QSV, h264_qsv);
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REGISTER_ENCODER(H264_VAAPI, h264_vaapi);
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REGISTER_ENCDEC (HAP, hap);
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REGISTER_DECODER(HEVC, hevc);
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REGISTER_DECODER(HEVC_QSV, hevc_qsv);
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847
libavcodec/vaapi_encode_h264.c
Normal file
847
libavcodec/vaapi_encode_h264.c
Normal file
@ -0,0 +1,847 @@
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/*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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_h264.h>
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#include "libavutil/avassert.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 "h264.h"
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#include "internal.h"
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#include "vaapi_encode.h"
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#include "vaapi_encode_h26x.h"
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enum {
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SLICE_TYPE_P = 0,
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SLICE_TYPE_B = 1,
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SLICE_TYPE_I = 2,
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SLICE_TYPE_SP = 3,
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SLICE_TYPE_SI = 4,
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};
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// This structure contains all possibly-useful per-sequence syntax elements
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// which are not already contained in the various VAAPI structures.
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typedef struct VAAPIEncodeH264MiscSequenceParams {
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unsigned int profile_idc;
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char constraint_set0_flag;
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char constraint_set1_flag;
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char constraint_set2_flag;
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char constraint_set3_flag;
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char constraint_set4_flag;
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char constraint_set5_flag;
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char separate_colour_plane_flag;
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char qpprime_y_zero_transform_bypass_flag;
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char gaps_in_frame_num_allowed_flag;
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char delta_pic_order_always_zero_flag;
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char bottom_field_pic_order_in_frame_present_flag;
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unsigned int num_slice_groups_minus1;
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unsigned int slice_group_map_type;
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int pic_init_qs_minus26;
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char vui_parameters_present_flag;
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} VAAPIEncodeH264MiscSequenceParams;
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// This structure contains all possibly-useful per-slice syntax elements
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// which are not already contained in the various VAAPI structures.
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typedef struct VAAPIEncodeH264MiscSliceParams {
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unsigned int nal_unit_type;
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unsigned int nal_ref_idc;
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unsigned int colour_plane_id;
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char field_pic_flag;
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char bottom_field_flag;
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unsigned int redundant_pic_cnt;
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char sp_for_switch_flag;
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int slice_qs_delta;
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char ref_pic_list_modification_flag_l0;
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char ref_pic_list_modification_flag_l1;
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char no_output_of_prior_pics_flag;
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char long_term_reference_flag;
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char adaptive_ref_pic_marking_mode_flag;
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} VAAPIEncodeH264MiscSliceParams;
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typedef struct VAAPIEncodeH264Slice {
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VAAPIEncodeH264MiscSliceParams misc_slice_params;
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} VAAPIEncodeH264Slice;
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typedef struct VAAPIEncodeH264Context {
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VAAPIEncodeH264MiscSequenceParams misc_sequence_params;
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int mb_width;
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int mb_height;
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int fixed_qp_idr;
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int fixed_qp_p;
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int fixed_qp_b;
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int64_t idr_pic_count;
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int64_t last_idr_frame;
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// RefPicList management.
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} VAAPIEncodeH264Context;
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#define vseq_var(name) vseq->name, name
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#define vseq_field(name) vseq->seq_fields.bits.name, name
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#define vpic_var(name) vpic->name, name
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#define vpic_field(name) vpic->pic_fields.bits.name, name
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#define vslice_var(name) vslice->name, name
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#define vslice_field(name) vslice->slice_fields.bits.name, name
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#define mseq_var(name) mseq->name, name
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#define mslice_var(name) mslice->name, name
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static void vaapi_encode_h264_write_nal_header(PutBitContext *pbc,
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int nal_unit_type, int nal_ref_idc)
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{
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u(1, 0, forbidden_zero_bit);
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u(2, nal_ref_idc, nal_ref_idc);
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u(5, nal_unit_type, nal_unit_type);
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}
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static void vaapi_encode_h264_write_trailing_rbsp(PutBitContext *pbc)
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{
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u(1, 1, rbsp_stop_one_bit);
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while (put_bits_count(pbc) & 7)
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u(1, 0, rbsp_alignment_zero_bit);
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}
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static void vaapi_encode_h264_write_sps(PutBitContext *pbc,
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VAAPIEncodeContext *ctx)
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{
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VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
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VAAPIEncodeH264Context *priv = ctx->priv_data;
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VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
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int i;
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vaapi_encode_h264_write_nal_header(pbc, NAL_SPS, 3);
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u(8, mseq_var(profile_idc));
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u(1, mseq_var(constraint_set0_flag));
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u(1, mseq_var(constraint_set1_flag));
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u(1, mseq_var(constraint_set2_flag));
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u(1, mseq_var(constraint_set3_flag));
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u(1, mseq_var(constraint_set4_flag));
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u(1, mseq_var(constraint_set5_flag));
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u(2, 0, reserved_zero_2bits);
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u(8, vseq_var(level_idc));
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ue(vseq_var(seq_parameter_set_id));
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if (mseq->profile_idc == 100 || mseq->profile_idc == 110 ||
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mseq->profile_idc == 122 || mseq->profile_idc == 244 ||
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mseq->profile_idc == 44 || mseq->profile_idc == 83 ||
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mseq->profile_idc == 86 || mseq->profile_idc == 118 ||
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mseq->profile_idc == 128 || mseq->profile_idc == 138) {
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ue(vseq_field(chroma_format_idc));
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if (vseq->seq_fields.bits.chroma_format_idc == 3)
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u(1, mseq_var(separate_colour_plane_flag));
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ue(vseq_var(bit_depth_luma_minus8));
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ue(vseq_var(bit_depth_chroma_minus8));
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u(1, mseq_var(qpprime_y_zero_transform_bypass_flag));
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u(1, vseq_field(seq_scaling_matrix_present_flag));
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if (vseq->seq_fields.bits.seq_scaling_matrix_present_flag) {
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av_assert0(0 && "scaling matrices not supported");
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}
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}
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ue(vseq_field(log2_max_frame_num_minus4));
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ue(vseq_field(pic_order_cnt_type));
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if (vseq->seq_fields.bits.pic_order_cnt_type == 0) {
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ue(vseq_field(log2_max_pic_order_cnt_lsb_minus4));
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} else if (vseq->seq_fields.bits.pic_order_cnt_type == 1) {
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u(1, mseq_var(delta_pic_order_always_zero_flag));
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se(vseq_var(offset_for_non_ref_pic));
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se(vseq_var(offset_for_top_to_bottom_field));
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ue(vseq_var(num_ref_frames_in_pic_order_cnt_cycle));
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for (i = 0; i < vseq->num_ref_frames_in_pic_order_cnt_cycle; i++)
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se(vseq_var(offset_for_ref_frame[i]));
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}
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ue(vseq_var(max_num_ref_frames));
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u(1, mseq_var(gaps_in_frame_num_allowed_flag));
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ue(vseq->picture_width_in_mbs - 1, pic_width_in_mbs_minus1);
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ue(vseq->picture_height_in_mbs - 1, pic_height_in_mbs_minus1);
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u(1, vseq_field(frame_mbs_only_flag));
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if (!vseq->seq_fields.bits.frame_mbs_only_flag)
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u(1, vseq_field(mb_adaptive_frame_field_flag));
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u(1, vseq_field(direct_8x8_inference_flag));
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u(1, vseq_var(frame_cropping_flag));
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if (vseq->frame_cropping_flag) {
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ue(vseq_var(frame_crop_left_offset));
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ue(vseq_var(frame_crop_right_offset));
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ue(vseq_var(frame_crop_top_offset));
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ue(vseq_var(frame_crop_bottom_offset));
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}
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u(1, mseq_var(vui_parameters_present_flag));
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vaapi_encode_h264_write_trailing_rbsp(pbc);
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}
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static void vaapi_encode_h264_write_pps(PutBitContext *pbc,
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VAAPIEncodeContext *ctx)
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{
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VAEncPictureParameterBufferH264 *vpic = ctx->codec_picture_params;
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VAAPIEncodeH264Context *priv = ctx->priv_data;
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VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
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vaapi_encode_h264_write_nal_header(pbc, NAL_PPS, 3);
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ue(vpic_var(pic_parameter_set_id));
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ue(vpic_var(seq_parameter_set_id));
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u(1, vpic_field(entropy_coding_mode_flag));
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u(1, mseq_var(bottom_field_pic_order_in_frame_present_flag));
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ue(mseq_var(num_slice_groups_minus1));
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if (mseq->num_slice_groups_minus1 > 0) {
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ue(mseq_var(slice_group_map_type));
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av_assert0(0 && "slice groups not supported");
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}
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ue(vpic_var(num_ref_idx_l0_active_minus1));
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ue(vpic_var(num_ref_idx_l1_active_minus1));
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u(1, vpic_field(weighted_pred_flag));
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u(2, vpic_field(weighted_bipred_idc));
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se(vpic->pic_init_qp - 26, pic_init_qp_minus26);
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se(mseq_var(pic_init_qs_minus26));
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se(vpic_var(chroma_qp_index_offset));
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u(1, vpic_field(deblocking_filter_control_present_flag));
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u(1, vpic_field(constrained_intra_pred_flag));
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u(1, vpic_field(redundant_pic_cnt_present_flag));
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u(1, vpic_field(transform_8x8_mode_flag));
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u(1, vpic_field(pic_scaling_matrix_present_flag));
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if (vpic->pic_fields.bits.pic_scaling_matrix_present_flag) {
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av_assert0(0 && "scaling matrices not supported");
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}
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se(vpic_var(second_chroma_qp_index_offset));
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vaapi_encode_h264_write_trailing_rbsp(pbc);
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}
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static void vaapi_encode_h264_write_slice_header2(PutBitContext *pbc,
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VAAPIEncodeContext *ctx,
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VAAPIEncodePicture *pic,
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VAAPIEncodeSlice *slice)
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{
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VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
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VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
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VAEncSliceParameterBufferH264 *vslice = slice->codec_slice_params;
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VAAPIEncodeH264Context *priv = ctx->priv_data;
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VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
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VAAPIEncodeH264Slice *pslice = slice->priv_data;
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VAAPIEncodeH264MiscSliceParams *mslice = &pslice->misc_slice_params;
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vaapi_encode_h264_write_nal_header(pbc, mslice->nal_unit_type,
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mslice->nal_ref_idc);
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ue(vslice->macroblock_address, first_mb_in_slice);
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ue(vslice_var(slice_type));
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ue(vpic_var(pic_parameter_set_id));
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if (mseq->separate_colour_plane_flag) {
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u(2, mslice_var(colour_plane_id));
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}
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u(4 + vseq->seq_fields.bits.log2_max_frame_num_minus4,
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(vpic->frame_num &
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((1 << (4 + vseq->seq_fields.bits.log2_max_frame_num_minus4)) - 1)),
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frame_num);
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if (!vseq->seq_fields.bits.frame_mbs_only_flag) {
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u(1, mslice_var(field_pic_flag));
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if (mslice->field_pic_flag)
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u(1, mslice_var(bottom_field_flag));
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}
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if (vpic->pic_fields.bits.idr_pic_flag) {
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ue(vslice_var(idr_pic_id));
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}
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if (vseq->seq_fields.bits.pic_order_cnt_type == 0) {
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u(4 + vseq->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4,
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vslice_var(pic_order_cnt_lsb));
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if (mseq->bottom_field_pic_order_in_frame_present_flag &&
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!mslice->field_pic_flag) {
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se(vslice_var(delta_pic_order_cnt_bottom));
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}
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}
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if (vseq->seq_fields.bits.pic_order_cnt_type == 1 &&
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!vseq->seq_fields.bits.delta_pic_order_always_zero_flag) {
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se(vslice_var(delta_pic_order_cnt[0]));
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if (mseq->bottom_field_pic_order_in_frame_present_flag &&
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!mslice->field_pic_flag) {
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se(vslice_var(delta_pic_order_cnt[1]));
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}
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}
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if (vpic->pic_fields.bits.redundant_pic_cnt_present_flag) {
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ue(mslice_var(redundant_pic_cnt));
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}
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if (vslice->slice_type == SLICE_TYPE_B) {
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u(1, vslice_var(direct_spatial_mv_pred_flag));
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}
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if (vslice->slice_type == SLICE_TYPE_P ||
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vslice->slice_type == SLICE_TYPE_SP ||
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vslice->slice_type == SLICE_TYPE_B) {
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u(1, vslice_var(num_ref_idx_active_override_flag));
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if (vslice->num_ref_idx_active_override_flag) {
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ue(vslice_var(num_ref_idx_l0_active_minus1));
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if (vslice->slice_type == SLICE_TYPE_B)
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ue(vslice_var(num_ref_idx_l1_active_minus1));
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}
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}
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if (mslice->nal_unit_type == 20 || mslice->nal_unit_type == 21) {
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av_assert0(0 && "no MVC support");
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} else {
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if (vslice->slice_type % 5 != 2 && vslice->slice_type % 5 != 4) {
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u(1, mslice_var(ref_pic_list_modification_flag_l0));
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if (mslice->ref_pic_list_modification_flag_l0) {
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av_assert0(0 && "ref pic list modification");
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}
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}
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if (vslice->slice_type % 5 == 1) {
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u(1, mslice_var(ref_pic_list_modification_flag_l1));
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if (mslice->ref_pic_list_modification_flag_l1) {
|
||||
av_assert0(0 && "ref pic list modification");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if ((vpic->pic_fields.bits.weighted_pred_flag &&
|
||||
(vslice->slice_type == SLICE_TYPE_P ||
|
||||
vslice->slice_type == SLICE_TYPE_SP)) ||
|
||||
(vpic->pic_fields.bits.weighted_bipred_idc == 1 &&
|
||||
vslice->slice_type == SLICE_TYPE_B)) {
|
||||
av_assert0(0 && "prediction weights not supported");
|
||||
}
|
||||
|
||||
av_assert0(mslice->nal_ref_idc > 0 ==
|
||||
vpic->pic_fields.bits.reference_pic_flag);
|
||||
if (mslice->nal_ref_idc != 0) {
|
||||
if (vpic->pic_fields.bits.idr_pic_flag) {
|
||||
u(1, mslice_var(no_output_of_prior_pics_flag));
|
||||
u(1, mslice_var(long_term_reference_flag));
|
||||
} else {
|
||||
u(1, mslice_var(adaptive_ref_pic_marking_mode_flag));
|
||||
if (mslice->adaptive_ref_pic_marking_mode_flag) {
|
||||
av_assert0(0 && "MMCOs not supported");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (vpic->pic_fields.bits.entropy_coding_mode_flag &&
|
||||
vslice->slice_type != SLICE_TYPE_I &&
|
||||
vslice->slice_type != SLICE_TYPE_SI) {
|
||||
ue(vslice_var(cabac_init_idc));
|
||||
}
|
||||
|
||||
se(vslice_var(slice_qp_delta));
|
||||
if (vslice->slice_type == SLICE_TYPE_SP ||
|
||||
vslice->slice_type == SLICE_TYPE_SI) {
|
||||
if (vslice->slice_type == SLICE_TYPE_SP)
|
||||
u(1, mslice_var(sp_for_switch_flag));
|
||||
se(mslice_var(slice_qs_delta));
|
||||
}
|
||||
|
||||
if (vpic->pic_fields.bits.deblocking_filter_control_present_flag) {
|
||||
ue(vslice_var(disable_deblocking_filter_idc));
|
||||
if (vslice->disable_deblocking_filter_idc != 1) {
|
||||
se(vslice_var(slice_alpha_c0_offset_div2));
|
||||
se(vslice_var(slice_beta_offset_div2));
|
||||
}
|
||||
}
|
||||
|
||||
if (mseq->num_slice_groups_minus1 > 0 &&
|
||||
mseq->slice_group_map_type >= 3 && mseq->slice_group_map_type <= 5) {
|
||||
av_assert0(0 && "slice groups not supported");
|
||||
}
|
||||
|
||||
// No alignment - this need not be a byte boundary.
|
||||
}
|
||||
|
||||
static int vaapi_encode_h264_write_sequence_header(AVCodecContext *avctx,
|
||||
char *data, size_t *data_len)
|
||||
{
|
||||
VAAPIEncodeContext *ctx = avctx->priv_data;
|
||||
PutBitContext pbc;
|
||||
char tmp[256];
|
||||
int err;
|
||||
size_t nal_len, bit_len, bit_pos, next_len;
|
||||
|
||||
bit_len = *data_len;
|
||||
bit_pos = 0;
|
||||
|
||||
init_put_bits(&pbc, tmp, sizeof(tmp));
|
||||
vaapi_encode_h264_write_sps(&pbc, ctx);
|
||||
nal_len = put_bits_count(&pbc);
|
||||
flush_put_bits(&pbc);
|
||||
|
||||
next_len = bit_len - bit_pos;
|
||||
err = ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data + bit_pos / 8,
|
||||
&next_len,
|
||||
tmp, nal_len);
|
||||
if (err < 0)
|
||||
return err;
|
||||
bit_pos += next_len;
|
||||
|
||||
init_put_bits(&pbc, tmp, sizeof(tmp));
|
||||
vaapi_encode_h264_write_pps(&pbc, ctx);
|
||||
nal_len = put_bits_count(&pbc);
|
||||
flush_put_bits(&pbc);
|
||||
|
||||
next_len = bit_len - bit_pos;
|
||||
err = ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data + bit_pos / 8,
|
||||
&next_len,
|
||||
tmp, nal_len);
|
||||
if (err < 0)
|
||||
return err;
|
||||
bit_pos += next_len;
|
||||
|
||||
*data_len = bit_pos;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vaapi_encode_h264_write_slice_header(AVCodecContext *avctx,
|
||||
VAAPIEncodePicture *pic,
|
||||
VAAPIEncodeSlice *slice,
|
||||
char *data, size_t *data_len)
|
||||
{
|
||||
VAAPIEncodeContext *ctx = avctx->priv_data;
|
||||
PutBitContext pbc;
|
||||
char tmp[256];
|
||||
size_t header_len;
|
||||
|
||||
init_put_bits(&pbc, tmp, sizeof(tmp));
|
||||
vaapi_encode_h264_write_slice_header2(&pbc, ctx, pic, slice);
|
||||
header_len = put_bits_count(&pbc);
|
||||
flush_put_bits(&pbc);
|
||||
|
||||
return ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data, data_len,
|
||||
tmp, header_len);
|
||||
}
|
||||
|
||||
static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
|
||||
{
|
||||
VAAPIEncodeContext *ctx = avctx->priv_data;
|
||||
VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
|
||||
VAEncPictureParameterBufferH264 *vpic = ctx->codec_picture_params;
|
||||
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
||||
VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
|
||||
int i;
|
||||
|
||||
{
|
||||
vseq->seq_parameter_set_id = 0;
|
||||
|
||||
vseq->level_idc = avctx->level;
|
||||
|
||||
vseq->max_num_ref_frames = 2;
|
||||
|
||||
vseq->picture_width_in_mbs = priv->mb_width;
|
||||
vseq->picture_height_in_mbs = priv->mb_height;
|
||||
|
||||
vseq->seq_fields.bits.chroma_format_idc = 1;
|
||||
vseq->seq_fields.bits.frame_mbs_only_flag = 1;
|
||||
vseq->seq_fields.bits.direct_8x8_inference_flag = 1;
|
||||
vseq->seq_fields.bits.log2_max_frame_num_minus4 = 4;
|
||||
vseq->seq_fields.bits.pic_order_cnt_type = 0;
|
||||
|
||||
if (ctx->input_width != ctx->aligned_width ||
|
||||
ctx->input_height != ctx->aligned_height) {
|
||||
vseq->frame_cropping_flag = 1;
|
||||
|
||||
vseq->frame_crop_left_offset = 0;
|
||||
vseq->frame_crop_right_offset =
|
||||
(ctx->aligned_width - ctx->input_width) / 2;
|
||||
vseq->frame_crop_top_offset = 0;
|
||||
vseq->frame_crop_bottom_offset =
|
||||
(ctx->aligned_height - ctx->input_height) / 2;
|
||||
} else {
|
||||
vseq->frame_cropping_flag = 0;
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
vpic->CurrPic.picture_id = VA_INVALID_ID;
|
||||
vpic->CurrPic.flags = VA_PICTURE_H264_INVALID;
|
||||
|
||||
for (i = 0; i < FF_ARRAY_ELEMS(vpic->ReferenceFrames); i++) {
|
||||
vpic->ReferenceFrames[i].picture_id = VA_INVALID_ID;
|
||||
vpic->ReferenceFrames[i].flags = VA_PICTURE_H264_INVALID;
|
||||
}
|
||||
|
||||
vpic->coded_buf = VA_INVALID_ID;
|
||||
|
||||
vpic->pic_parameter_set_id = 0;
|
||||
vpic->seq_parameter_set_id = 0;
|
||||
|
||||
vpic->num_ref_idx_l0_active_minus1 = 0;
|
||||
vpic->num_ref_idx_l1_active_minus1 = 0;
|
||||
|
||||
vpic->pic_fields.bits.entropy_coding_mode_flag =
|
||||
((avctx->profile & 0xff) != 66);
|
||||
vpic->pic_fields.bits.weighted_pred_flag = 0;
|
||||
vpic->pic_fields.bits.weighted_bipred_idc = 0;
|
||||
vpic->pic_fields.bits.transform_8x8_mode_flag =
|
||||
((avctx->profile & 0xff) >= 100);
|
||||
|
||||
vpic->pic_init_qp = priv->fixed_qp_idr;
|
||||
}
|
||||
|
||||
{
|
||||
mseq->profile_idc = avctx->profile & 0xff;
|
||||
|
||||
if (avctx->profile & FF_PROFILE_H264_CONSTRAINED)
|
||||
mseq->constraint_set1_flag = 1;
|
||||
if (avctx->profile & FF_PROFILE_H264_INTRA)
|
||||
mseq->constraint_set3_flag = 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
|
||||
VAAPIEncodePicture *pic)
|
||||
{
|
||||
VAAPIEncodeContext *ctx = avctx->priv_data;
|
||||
VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
|
||||
VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
|
||||
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
||||
int i;
|
||||
|
||||
if (pic->type == PICTURE_TYPE_IDR) {
|
||||
av_assert0(pic->display_order == pic->encode_order);
|
||||
priv->last_idr_frame = pic->display_order;
|
||||
} else {
|
||||
av_assert0(pic->display_order > priv->last_idr_frame);
|
||||
}
|
||||
|
||||
vpic->frame_num = (pic->encode_order - priv->last_idr_frame) &
|
||||
((1 << (4 + vseq->seq_fields.bits.log2_max_frame_num_minus4)) - 1);
|
||||
|
||||
vpic->CurrPic.picture_id = pic->recon_surface;
|
||||
vpic->CurrPic.frame_idx = vpic->frame_num;
|
||||
vpic->CurrPic.flags = 0;
|
||||
vpic->CurrPic.TopFieldOrderCnt = pic->display_order;
|
||||
vpic->CurrPic.BottomFieldOrderCnt = pic->display_order;
|
||||
|
||||
for (i = 0; i < pic->nb_refs; i++) {
|
||||
VAAPIEncodePicture *ref = pic->refs[i];
|
||||
av_assert0(ref && ref->encode_order >= priv->last_idr_frame);
|
||||
vpic->ReferenceFrames[i].picture_id = ref->recon_surface;
|
||||
vpic->ReferenceFrames[i].frame_idx =
|
||||
ref->encode_order - priv->last_idr_frame;
|
||||
vpic->ReferenceFrames[i].flags = VA_PICTURE_H264_SHORT_TERM_REFERENCE;
|
||||
vpic->ReferenceFrames[i].TopFieldOrderCnt = ref->display_order;
|
||||
vpic->ReferenceFrames[i].BottomFieldOrderCnt = ref->display_order;
|
||||
}
|
||||
for (; i < FF_ARRAY_ELEMS(vpic->ReferenceFrames); i++) {
|
||||
vpic->ReferenceFrames[i].picture_id = VA_INVALID_ID;
|
||||
vpic->ReferenceFrames[i].flags = VA_PICTURE_H264_INVALID;
|
||||
}
|
||||
|
||||
vpic->coded_buf = pic->output_buffer;
|
||||
|
||||
vpic->pic_fields.bits.idr_pic_flag = (pic->type == PICTURE_TYPE_IDR);
|
||||
vpic->pic_fields.bits.reference_pic_flag = (pic->type != PICTURE_TYPE_B);
|
||||
|
||||
pic->nb_slices = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vaapi_encode_h264_init_slice_params(AVCodecContext *avctx,
|
||||
VAAPIEncodePicture *pic,
|
||||
VAAPIEncodeSlice *slice)
|
||||
{
|
||||
VAAPIEncodeContext *ctx = avctx->priv_data;
|
||||
VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
|
||||
VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
|
||||
VAEncSliceParameterBufferH264 *vslice = slice->codec_slice_params;
|
||||
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
||||
VAAPIEncodeH264Slice *pslice;
|
||||
VAAPIEncodeH264MiscSliceParams *mslice;
|
||||
int i;
|
||||
|
||||
slice->priv_data = av_mallocz(sizeof(*pslice));
|
||||
if (!slice->priv_data)
|
||||
return AVERROR(ENOMEM);
|
||||
pslice = slice->priv_data;
|
||||
mslice = &pslice->misc_slice_params;
|
||||
|
||||
if (pic->type == PICTURE_TYPE_IDR)
|
||||
mslice->nal_unit_type = NAL_IDR_SLICE;
|
||||
else
|
||||
mslice->nal_unit_type = NAL_SLICE;
|
||||
|
||||
switch (pic->type) {
|
||||
case PICTURE_TYPE_IDR:
|
||||
vslice->slice_type = SLICE_TYPE_I;
|
||||
mslice->nal_ref_idc = 3;
|
||||
break;
|
||||
case PICTURE_TYPE_I:
|
||||
vslice->slice_type = SLICE_TYPE_I;
|
||||
mslice->nal_ref_idc = 2;
|
||||
break;
|
||||
case PICTURE_TYPE_P:
|
||||
vslice->slice_type = SLICE_TYPE_P;
|
||||
mslice->nal_ref_idc = 1;
|
||||
break;
|
||||
case PICTURE_TYPE_B:
|
||||
vslice->slice_type = SLICE_TYPE_B;
|
||||
mslice->nal_ref_idc = 0;
|
||||
break;
|
||||
default:
|
||||
av_assert0(0 && "invalid picture type");
|
||||
}
|
||||
|
||||
// Only one slice per frame.
|
||||
vslice->macroblock_address = 0;
|
||||
vslice->num_macroblocks = priv->mb_width * priv->mb_height;
|
||||
|
||||
vslice->macroblock_info = VA_INVALID_ID;
|
||||
|
||||
vslice->pic_parameter_set_id = vpic->pic_parameter_set_id;
|
||||
vslice->idr_pic_id = priv->idr_pic_count++;
|
||||
|
||||
vslice->pic_order_cnt_lsb = pic->display_order &
|
||||
((1 << (4 + vseq->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4)) - 1);
|
||||
|
||||
for (i = 0; i < FF_ARRAY_ELEMS(vslice->RefPicList0); i++) {
|
||||
vslice->RefPicList0[i].picture_id = VA_INVALID_ID;
|
||||
vslice->RefPicList0[i].flags = VA_PICTURE_H264_INVALID;
|
||||
vslice->RefPicList1[i].picture_id = VA_INVALID_ID;
|
||||
vslice->RefPicList1[i].flags = VA_PICTURE_H264_INVALID;
|
||||
}
|
||||
|
||||
av_assert0(pic->nb_refs <= 2);
|
||||
if (pic->nb_refs >= 1) {
|
||||
// Backward reference for P or B frame.
|
||||
av_assert0(pic->type == PICTURE_TYPE_P ||
|
||||
pic->type == PICTURE_TYPE_B);
|
||||
|
||||
vslice->num_ref_idx_l0_active_minus1 = 0;
|
||||
vslice->RefPicList0[0] = vpic->ReferenceFrames[0];
|
||||
}
|
||||
if (pic->nb_refs >= 2) {
|
||||
// Forward reference for B frame.
|
||||
av_assert0(pic->type == PICTURE_TYPE_B);
|
||||
|
||||
vslice->num_ref_idx_l1_active_minus1 = 0;
|
||||
vslice->RefPicList1[0] = vpic->ReferenceFrames[1];
|
||||
}
|
||||
|
||||
if (pic->type == PICTURE_TYPE_B)
|
||||
vslice->slice_qp_delta = priv->fixed_qp_b - vpic->pic_init_qp;
|
||||
else if (pic->type == PICTURE_TYPE_P)
|
||||
vslice->slice_qp_delta = priv->fixed_qp_p - vpic->pic_init_qp;
|
||||
else
|
||||
vslice->slice_qp_delta = priv->fixed_qp_idr - vpic->pic_init_qp;
|
||||
|
||||
vslice->direct_spatial_mv_pred_flag = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static VAConfigAttrib vaapi_encode_h264_config_attributes[] = {
|
||||
{ .type = VAConfigAttribRTFormat,
|
||||
.value = VA_RT_FORMAT_YUV420 },
|
||||
{ .type = VAConfigAttribRateControl,
|
||||
.value = VA_RC_CQP },
|
||||
{ .type = VAConfigAttribEncPackedHeaders,
|
||||
.value = (VA_ENC_PACKED_HEADER_SEQUENCE |
|
||||
VA_ENC_PACKED_HEADER_SLICE) },
|
||||
};
|
||||
|
||||
static av_cold int vaapi_encode_h264_init_internal(AVCodecContext *avctx)
|
||||
{
|
||||
VAAPIEncodeContext *ctx = avctx->priv_data;
|
||||
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
||||
|
||||
switch (avctx->profile) {
|
||||
case FF_PROFILE_H264_CONSTRAINED_BASELINE:
|
||||
ctx->va_profile = VAProfileH264ConstrainedBaseline;
|
||||
break;
|
||||
case FF_PROFILE_H264_BASELINE:
|
||||
ctx->va_profile = VAProfileH264Baseline;
|
||||
break;
|
||||
case FF_PROFILE_H264_MAIN:
|
||||
ctx->va_profile = VAProfileH264Main;
|
||||
break;
|
||||
case FF_PROFILE_H264_EXTENDED:
|
||||
av_log(avctx, AV_LOG_ERROR, "H.264 extended profile "
|
||||
"is not supported.\n");
|
||||
return AVERROR_PATCHWELCOME;
|
||||
case FF_PROFILE_UNKNOWN:
|
||||
case FF_PROFILE_H264_HIGH:
|
||||
ctx->va_profile = VAProfileH264High;
|
||||
break;
|
||||
case FF_PROFILE_H264_HIGH_10:
|
||||
case FF_PROFILE_H264_HIGH_10_INTRA:
|
||||
av_log(avctx, AV_LOG_ERROR, "H.264 10-bit profiles "
|
||||
"are not supported.\n");
|
||||
return AVERROR_PATCHWELCOME;
|
||||
case FF_PROFILE_H264_HIGH_422:
|
||||
case FF_PROFILE_H264_HIGH_422_INTRA:
|
||||
case FF_PROFILE_H264_HIGH_444:
|
||||
case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
|
||||
case FF_PROFILE_H264_HIGH_444_INTRA:
|
||||
case FF_PROFILE_H264_CAVLC_444:
|
||||
av_log(avctx, AV_LOG_ERROR, "H.264 non-4:2:0 profiles "
|
||||
"are not supported.\n");
|
||||
return AVERROR_PATCHWELCOME;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "Unknown H.264 profile %d.\n",
|
||||
avctx->profile);
|
||||
return AVERROR(EINVAL);
|
||||
}
|
||||
ctx->va_entrypoint = VAEntrypointEncSlice;
|
||||
|
||||
ctx->va_rc_mode = VA_RC_CQP;
|
||||
|
||||
ctx->input_width = avctx->width;
|
||||
ctx->input_height = avctx->height;
|
||||
ctx->aligned_width = FFALIGN(ctx->input_width, 16);
|
||||
ctx->aligned_height = FFALIGN(ctx->input_height, 16);
|
||||
priv->mb_width = ctx->aligned_width / 16;
|
||||
priv->mb_height = ctx->aligned_height / 16;
|
||||
|
||||
if (avctx->bit_rate > 0) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Constant bitrate encoding is not "
|
||||
"supported!\n");
|
||||
return AVERROR_PATCHWELCOME;
|
||||
}
|
||||
|
||||
priv->fixed_qp_p = avctx->global_quality;
|
||||
if (avctx->i_quant_factor > 0.0)
|
||||
priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
|
||||
avctx->i_quant_offset) + 0.5);
|
||||
else
|
||||
priv->fixed_qp_idr = priv->fixed_qp_p;
|
||||
if (avctx->b_quant_factor > 0.0)
|
||||
priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
|
||||
avctx->b_quant_offset) + 0.5);
|
||||
else
|
||||
priv->fixed_qp_b = priv->fixed_qp_p;
|
||||
av_log(avctx, AV_LOG_DEBUG, "QP = %d / %d / %d for IDR / P / B frames.\n",
|
||||
priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
|
||||
|
||||
ctx->config_attributes = vaapi_encode_h264_config_attributes;
|
||||
ctx->nb_config_attributes =
|
||||
FF_ARRAY_ELEMS(vaapi_encode_h264_config_attributes);
|
||||
|
||||
ctx->nb_recon_frames = 20;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static VAAPIEncodeType vaapi_encode_type_h264 = {
|
||||
.priv_data_size = sizeof(VAAPIEncodeH264Context),
|
||||
|
||||
.init = &vaapi_encode_h264_init_internal,
|
||||
|
||||
.sequence_params_size = sizeof(VAEncSequenceParameterBufferH264),
|
||||
.init_sequence_params = &vaapi_encode_h264_init_sequence_params,
|
||||
|
||||
.picture_params_size = sizeof(VAEncPictureParameterBufferH264),
|
||||
.init_picture_params = &vaapi_encode_h264_init_picture_params,
|
||||
|
||||
.slice_params_size = sizeof(VAEncSliceParameterBufferH264),
|
||||
.init_slice_params = &vaapi_encode_h264_init_slice_params,
|
||||
|
||||
.sequence_header_type = VAEncPackedHeaderSequence,
|
||||
.write_sequence_header = &vaapi_encode_h264_write_sequence_header,
|
||||
|
||||
.slice_header_type = VAEncPackedHeaderH264_Slice,
|
||||
.write_slice_header = &vaapi_encode_h264_write_slice_header,
|
||||
};
|
||||
|
||||
static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
|
||||
{
|
||||
return ff_vaapi_encode_init(avctx, &vaapi_encode_type_h264);
|
||||
}
|
||||
|
||||
static const AVCodecDefault vaapi_encode_h264_defaults[] = {
|
||||
{ "profile", "100" },
|
||||
{ "level", "51" },
|
||||
{ "b", "0" },
|
||||
{ "bf", "2" },
|
||||
{ "g", "120" },
|
||||
{ "global_quality", "20" },
|
||||
{ "i_qfactor", "1.0" },
|
||||
{ "i_qoffset", "0.0" },
|
||||
{ "b_qfactor", "1.2" },
|
||||
{ "b_qoffset", "0.0" },
|
||||
{ NULL },
|
||||
};
|
||||
|
||||
static const AVClass vaapi_encode_h264_class = {
|
||||
.class_name = "h264_vaapi",
|
||||
.item_name = av_default_item_name,
|
||||
.version = LIBAVUTIL_VERSION_INT,
|
||||
};
|
||||
|
||||
AVCodec ff_h264_vaapi_encoder = {
|
||||
.name = "h264_vaapi",
|
||||
.long_name = NULL_IF_CONFIG_SMALL("H.264/AVC (VAAPI)"),
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
.id = AV_CODEC_ID_H264,
|
||||
.priv_data_size = sizeof(VAAPIEncodeContext),
|
||||
.init = &vaapi_encode_h264_init,
|
||||
.encode2 = &ff_vaapi_encode2,
|
||||
.close = &ff_vaapi_encode_close,
|
||||
.priv_class = &vaapi_encode_h264_class,
|
||||
.capabilities = AV_CODEC_CAP_DELAY,
|
||||
.defaults = vaapi_encode_h264_defaults,
|
||||
.pix_fmts = (const enum AVPixelFormat[]) {
|
||||
AV_PIX_FMT_VAAPI,
|
||||
AV_PIX_FMT_NONE,
|
||||
},
|
||||
};
|
68
libavcodec/vaapi_encode_h26x.c
Normal file
68
libavcodec/vaapi_encode_h26x.c
Normal file
@ -0,0 +1,68 @@
|
||||
/*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav 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.
|
||||
*
|
||||
* Libav 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 Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include "vaapi_encode_h26x.h"
|
||||
|
||||
int ff_vaapi_encode_h26x_nal_unit_to_byte_stream(uint8_t *dst, size_t *dst_bit_len,
|
||||
uint8_t *src, size_t src_bit_len)
|
||||
{
|
||||
size_t dp, sp;
|
||||
int zero_run = 0;
|
||||
size_t dst_len = *dst_bit_len / 8;
|
||||
size_t src_len = (src_bit_len + 7) / 8;
|
||||
int trailing_zeroes = src_len * 8 - src_bit_len;
|
||||
|
||||
if (dst_len < src_len + 4) {
|
||||
// Definitely doesn't fit.
|
||||
goto fail;
|
||||
}
|
||||
|
||||
// Start code.
|
||||
dst[0] = dst[1] = dst[2] = 0;
|
||||
dst[3] = 1;
|
||||
dp = 4;
|
||||
|
||||
for (sp = 0; sp < src_len; sp++) {
|
||||
if (dp >= dst_len)
|
||||
goto fail;
|
||||
if (zero_run < 2) {
|
||||
if (src[sp] == 0)
|
||||
++zero_run;
|
||||
else
|
||||
zero_run = 0;
|
||||
} else {
|
||||
if ((src[sp] & ~3) == 0) {
|
||||
// emulation_prevention_three_byte
|
||||
dst[dp++] = 3;
|
||||
if (dp >= dst_len)
|
||||
goto fail;
|
||||
}
|
||||
zero_run = src[sp] == 0;
|
||||
}
|
||||
dst[dp++] = src[sp];
|
||||
}
|
||||
|
||||
*dst_bit_len = 8 * dp - trailing_zeroes;
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
*dst_bit_len = 0;
|
||||
return AVERROR(ENOSPC);
|
||||
}
|
45
libavcodec/vaapi_encode_h26x.h
Normal file
45
libavcodec/vaapi_encode_h26x.h
Normal file
@ -0,0 +1,45 @@
|
||||
/*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav 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.
|
||||
*
|
||||
* Libav 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 Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVCODEC_VAAPI_ENCODE_H26X_H
|
||||
#define AVCODEC_VAAPI_ENCODE_H26X_H
|
||||
|
||||
#include <stddef.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include "golomb.h"
|
||||
#include "put_bits.h"
|
||||
|
||||
|
||||
// Debug code may be interested in the name of the syntax element being
|
||||
// for tracing purposes. Here, it is just discarded.
|
||||
|
||||
#define write_u(pbc, width, value, name) put_bits(pbc, width, value)
|
||||
#define write_ue(pbc, value, name) set_ue_golomb(pbc, value)
|
||||
#define write_se(pbc, value, name) set_se_golomb(pbc, value)
|
||||
|
||||
#define u(width, ...) write_u(pbc, width, __VA_ARGS__)
|
||||
#define ue(...) write_ue(pbc, __VA_ARGS__)
|
||||
#define se(...) write_se(pbc, __VA_ARGS__)
|
||||
|
||||
|
||||
// Copy from src to dst, applying emulation prevention.
|
||||
int ff_vaapi_encode_h26x_nal_unit_to_byte_stream(uint8_t *dst, size_t *dst_len,
|
||||
uint8_t *src, size_t src_len);
|
||||
|
||||
#endif /* AVCODEC_VAAPI_ENCODE_H26X_H */
|
@ -28,7 +28,7 @@
|
||||
#include "libavutil/version.h"
|
||||
|
||||
#define LIBAVCODEC_VERSION_MAJOR 57
|
||||
#define LIBAVCODEC_VERSION_MINOR 16
|
||||
#define LIBAVCODEC_VERSION_MINOR 17
|
||||
#define LIBAVCODEC_VERSION_MICRO 0
|
||||
|
||||
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
|
||||
|
Loading…
Reference in New Issue
Block a user