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FFmpeg/libavcodec/nvenc.h
2024-08-03 20:04:31 +02:00

302 lines
6.7 KiB
C

/*
* 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
*/
#ifndef AVCODEC_NVENC_H
#define AVCODEC_NVENC_H
#include "config.h"
#if CONFIG_D3D11VA
#define COBJMACROS
#include "libavutil/hwcontext_d3d11va.h"
#else
typedef void ID3D11Device;
#endif
#include <ffnvcodec/nvEncodeAPI.h>
#include "compat/cuda/dynlink_loader.h"
#include "libavutil/buffer.h"
#include "libavutil/fifo.h"
#include "libavutil/opt.h"
#include "hwconfig.h"
#include "avcodec.h"
#define MAX_REGISTERED_FRAMES 64
#define RC_MODE_DEPRECATED 0x800000
#define RCD(rc_mode) ((rc_mode) | RC_MODE_DEPRECATED)
#define NVENCAPI_CHECK_VERSION(major, minor) \
((major) < NVENCAPI_MAJOR_VERSION || ((major) == NVENCAPI_MAJOR_VERSION && (minor) <= NVENCAPI_MINOR_VERSION))
// SDK 8.1 compile time feature checks
#if NVENCAPI_CHECK_VERSION(8, 1)
#define NVENC_HAVE_BFRAME_REF_MODE
#define NVENC_HAVE_QP_MAP_MODE
#endif
// SDK 9.0 compile time feature checks
#if NVENCAPI_CHECK_VERSION(9, 0)
#define NVENC_HAVE_HEVC_BFRAME_REF_MODE
#endif
// SDK 9.1 compile time feature checks
#if NVENCAPI_CHECK_VERSION(9, 1)
#define NVENC_HAVE_MULTIPLE_REF_FRAMES
#define NVENC_HAVE_CUSTREAM_PTR
#define NVENC_HAVE_GETLASTERRORSTRING
#endif
// SDK 10.0 compile time feature checks
#if NVENCAPI_CHECK_VERSION(10, 0)
#define NVENC_HAVE_NEW_PRESETS
#define NVENC_HAVE_MULTIPASS
#define NVENC_HAVE_LDKFS
#define NVENC_HAVE_H264_LVL6
#define NVENC_HAVE_HEVC_CONSTRAINED_ENCODING
#endif
// SDK 11.1 compile time feature checks
#if NVENCAPI_CHECK_VERSION(11, 1)
#define NVENC_HAVE_QP_CHROMA_OFFSETS
#define NVENC_HAVE_SINGLE_SLICE_INTRA_REFRESH
#endif
// SDK 12.1 compile time feature checks
#if NVENCAPI_CHECK_VERSION(12, 1)
#define NVENC_NO_DEPRECATED_RC
#define NVENC_HAVE_SPLIT_FRAME_ENCODING
#endif
// SDK 12.2 compile time feature checks
#if NVENCAPI_CHECK_VERSION(12, 2)
#define NVENC_HAVE_NEW_BIT_DEPTH_API
#define NVENC_HAVE_TEMPORAL_FILTER
#define NVENC_HAVE_LOOKAHEAD_LEVEL
#define NVENC_HAVE_UHQ_TUNING
#define NVENC_HAVE_UNIDIR_B
#endif
typedef struct NvencSurface
{
NV_ENC_INPUT_PTR input_surface;
AVFrame *in_ref;
int reg_idx;
int width;
int height;
int pitch;
NV_ENC_OUTPUT_PTR output_surface;
NV_ENC_BUFFER_FORMAT format;
} NvencSurface;
typedef struct NvencFrameData
{
int64_t duration;
void *frame_opaque;
AVBufferRef *frame_opaque_ref;
} NvencFrameData;
typedef struct NvencDynLoadFunctions
{
CudaFunctions *cuda_dl;
NvencFunctions *nvenc_dl;
NV_ENCODE_API_FUNCTION_LIST nvenc_funcs;
int nvenc_device_count;
} NvencDynLoadFunctions;
enum {
PRESET_DEFAULT = 0,
PRESET_SLOW,
PRESET_MEDIUM,
PRESET_FAST,
PRESET_HP,
PRESET_HQ,
PRESET_BD ,
PRESET_LOW_LATENCY_DEFAULT ,
PRESET_LOW_LATENCY_HQ ,
PRESET_LOW_LATENCY_HP,
PRESET_LOSSLESS_DEFAULT,
PRESET_LOSSLESS_HP,
#ifdef NVENC_HAVE_NEW_PRESETS
PRESET_P1,
PRESET_P2,
PRESET_P3,
PRESET_P4,
PRESET_P5,
PRESET_P6,
PRESET_P7,
#endif
};
enum {
NV_ENC_H264_PROFILE_BASELINE,
NV_ENC_H264_PROFILE_MAIN,
NV_ENC_H264_PROFILE_HIGH,
NV_ENC_H264_PROFILE_HIGH_444P,
};
enum {
NV_ENC_HEVC_PROFILE_MAIN,
NV_ENC_HEVC_PROFILE_MAIN_10,
NV_ENC_HEVC_PROFILE_REXT,
};
enum {
NVENC_LOWLATENCY = 1,
NVENC_LOSSLESS = 2,
NVENC_ONE_PASS = 4,
NVENC_TWO_PASSES = 8,
NVENC_DEPRECATED_PRESET = 0x8000,
};
enum {
LIST_DEVICES = -2,
ANY_DEVICE,
};
enum {
NVENC_RGB_MODE_DISABLED,
NVENC_RGB_MODE_420,
NVENC_RGB_MODE_444,
};
typedef struct NvencContext
{
AVClass *avclass;
NvencDynLoadFunctions nvenc_dload_funcs;
NV_ENC_INITIALIZE_PARAMS init_encode_params;
NV_ENC_CONFIG encode_config;
CUcontext cu_context;
CUcontext cu_context_internal;
CUstream cu_stream;
ID3D11Device *d3d11_device;
AVFrame *frame;
int nb_surfaces;
NvencSurface *surfaces;
NvencFrameData *frame_data_array;
int frame_data_array_nb;
int frame_data_array_pos;
AVFifo *unused_surface_queue;
AVFifo *output_surface_queue;
AVFifo *output_surface_ready_queue;
AVFifo *timestamp_list;
// This is for DTS calculating, reset after flush
uint64_t output_frame_num;
int64_t initial_delay_time;
NV_ENC_SEI_PAYLOAD *sei_data;
int sei_data_size;
struct {
void *ptr;
int ptr_index;
NV_ENC_REGISTERED_PTR regptr;
int mapped;
NV_ENC_MAP_INPUT_RESOURCE in_map;
} registered_frames[MAX_REGISTERED_FRAMES];
int nb_registered_frames;
/* the actual data pixel format, different from
* AVCodecContext.pix_fmt when using hwaccel frames on input */
enum AVPixelFormat data_pix_fmt;
int support_dyn_bitrate;
void *nvencoder;
uint32_t frame_idx_counter;
int preset;
int profile;
int level;
int tier;
int rc;
int cbr;
int tile_rows;
int tile_cols;
int twopass;
int device;
int flags;
int async_depth;
int rc_lookahead;
int aq;
int no_scenecut;
int forced_idr;
int b_adapt;
int temporal_aq;
int zerolatency;
int nonref_p;
int strict_gop;
int aq_strength;
float quality;
int aud;
int bluray_compat;
int init_qp_p;
int init_qp_b;
int init_qp_i;
int cqp;
int qp_cb_offset;
int qp_cr_offset;
int weighted_pred;
int coder;
int b_ref_mode;
int a53_cc;
int s12m_tc;
int dpb_size;
int tuning_info;
int multipass;
int ldkfs;
int extra_sei;
int intra_refresh;
int single_slice_intra_refresh;
int constrained_encoding;
int udu_sei;
int timing_info;
int highbitdepth;
int max_slice_size;
int rgb_mode;
int tf_level;
int lookahead_level;
int unidir_b;
int split_encode_mode;
} NvencContext;
int ff_nvenc_encode_init(AVCodecContext *avctx);
int ff_nvenc_encode_close(AVCodecContext *avctx);
int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt);
void ff_nvenc_encode_flush(AVCodecContext *avctx);
extern const enum AVPixelFormat ff_nvenc_pix_fmts[];
extern const AVCodecHWConfigInternal *const ff_nvenc_hw_configs[];
#endif /* AVCODEC_NVENC_H */