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https://git.ffmpeg.org/ffmpeg.git
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42a40538f3
Implemented: New usage modes for AV1 encoder. Latency mode for H264, HEVC and AV1 encoders. Adaptive Quantization (AQ) mode in AV1 encoder. Signed-off-by: Dmitrii Ovchinnikov <ovchinnikov.dmitrii@gmail.com>
185 lines
5.6 KiB
C
185 lines
5.6 KiB
C
/*
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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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#ifndef AVCODEC_AMFENC_H
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#define AVCODEC_AMFENC_H
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#include <AMF/core/Factory.h>
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#include <AMF/components/VideoEncoderVCE.h>
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#include <AMF/components/VideoEncoderHEVC.h>
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#include <AMF/components/VideoEncoderAV1.h>
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#include "libavutil/fifo.h"
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#include "avcodec.h"
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#include "hwconfig.h"
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#define MAX_LOOKAHEAD_DEPTH 41
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/**
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* AMF trace writer callback class
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* Used to capture all AMF logging
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*/
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typedef struct AmfTraceWriter {
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AMFTraceWriterVtbl *vtbl;
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AVCodecContext *avctx;
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} AmfTraceWriter;
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/**
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* AMF encoder context
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*/
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typedef struct AmfContext {
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AVClass *avclass;
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// access to AMF runtime
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amf_handle library; ///< handle to DLL library
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AMFFactory *factory; ///< pointer to AMF factory
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AMFDebug *debug; ///< pointer to AMF debug interface
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AMFTrace *trace; ///< pointer to AMF trace interface
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amf_uint64 version; ///< version of AMF runtime
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AmfTraceWriter tracer; ///< AMF writer registered with AMF
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AMFContext *context; ///< AMF context
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//encoder
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AMFComponent *encoder; ///< AMF encoder object
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amf_bool eof; ///< flag indicating EOF happened
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AMF_SURFACE_FORMAT format; ///< AMF surface format
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AVBufferRef *hw_device_ctx; ///< pointer to HW accelerator (decoder)
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AVBufferRef *hw_frames_ctx; ///< pointer to HW accelerator (frame allocator)
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int hwsurfaces_in_queue;
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int hwsurfaces_in_queue_max;
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// helpers to handle async calls
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int delayed_drain;
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AMFSurface *delayed_surface;
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AVFrame *delayed_frame;
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// shift dts back by max_b_frames in timing
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AVFifo *timestamp_list;
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int64_t dts_delay;
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// common encoder option options
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int log_to_dbg;
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// Static options, have to be set before Init() call
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int usage;
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int profile;
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int level;
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int latency;
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int preencode;
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int quality;
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int b_frame_delta_qp;
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int ref_b_frame_delta_qp;
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// Dynamic options, can be set after Init() call
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int rate_control_mode;
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int enforce_hrd;
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int filler_data;
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int enable_vbaq;
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int skip_frame;
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int qp_i;
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int qp_p;
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int qp_b;
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int max_au_size;
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int header_spacing;
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int b_frame_ref;
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int intra_refresh_mb;
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int coding_mode;
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int me_half_pel;
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int me_quarter_pel;
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int aud;
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int max_consecutive_b_frames;
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int max_b_frames;
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int qvbr_quality_level;
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int hw_high_motion_quality_boost;
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// HEVC - specific options
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int gops_per_idr;
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int header_insertion_mode;
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int min_qp_i;
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int max_qp_i;
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int min_qp_p;
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int max_qp_p;
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int tier;
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// AV1 - specific options
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enum AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_ENUM align;
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enum AMF_VIDEO_ENCODER_AV1_AQ_MODE_ENUM aq_mode;
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// Preanalysis - specific options
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int preanalysis;
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int pa_activity_type;
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int pa_scene_change_detection;
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int pa_scene_change_detection_sensitivity;
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int pa_static_scene_detection;
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int pa_static_scene_detection_sensitivity;
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int pa_initial_qp;
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int pa_max_qp;
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int pa_caq_strength;
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int pa_frame_sad;
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int pa_ltr;
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int pa_lookahead_buffer_depth;
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int pa_paq_mode;
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int pa_taq_mode;
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int pa_high_motion_quality_boost_mode;
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int pa_adaptive_mini_gop;
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} AmfContext;
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extern const AVCodecHWConfigInternal *const ff_amfenc_hw_configs[];
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/**
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* Common encoder initization function
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*/
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int ff_amf_encode_init(AVCodecContext *avctx);
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/**
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* Common encoder termination function
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*/
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int ff_amf_encode_close(AVCodecContext *avctx);
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/**
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* Ecoding one frame - common function for all AMF encoders
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*/
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int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt);
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/**
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* Supported formats
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*/
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extern const enum AVPixelFormat ff_amf_pix_fmts[];
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/**
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* Error handling helper
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*/
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#define AMF_RETURN_IF_FALSE(avctx, exp, ret_value, /*message,*/ ...) \
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if (!(exp)) { \
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av_log(avctx, AV_LOG_ERROR, __VA_ARGS__); \
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return ret_value; \
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}
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#endif //AVCODEC_AMFENC_H
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