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/*
* 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 "compat/nvenc/nvEncodeAPI.h"
#include "config.h"
#include "compat/cuda/dynlink_loader.h"
#include "libavutil/fifo.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#define MAX_REGISTERED_FRAMES 64
typedef struct NvencSurface
{
NV_ENC_INPUT_PTR input_surface;
AVFrame *in_ref;
NV_ENC_MAP_INPUT_RESOURCE in_map;
int reg_idx;
int width;
int height;
int pitch;
NV_ENC_OUTPUT_PTR output_surface;
NV_ENC_BUFFER_FORMAT format;
int size;
int lockCount;
} NvencSurface;
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, // lossless presets must be the last ones
PRESET_LOSSLESS_HP,
};
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,
};
enum {
LIST_DEVICES = -2,
ANY_DEVICE,
};
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;
int nb_surfaces;
NvencSurface *surfaces;
AVFifoBuffer *output_surface_queue;
AVFifoBuffer *output_surface_ready_queue;
AVFifoBuffer *timestamp_list;
struct {
CUdeviceptr ptr;
NV_ENC_REGISTERED_PTR regptr;
int mapped;
} 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;
/* timestamps of the first two frames, for computing the first dts
* when B-frames are present */
int64_t initial_pts[2];
int first_packet_output;
void *nvencoder;
int preset;
int profile;
int level;
int tier;
int rc;
int cbr;
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;
int quality;
int aud;
int bluray_compat;
} NvencContext;
int ff_nvenc_encode_init(AVCodecContext *avctx);
int ff_nvenc_encode_close(AVCodecContext *avctx);
int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet);
extern const enum AVPixelFormat ff_nvenc_pix_fmts[];
#endif /* AVCODEC_NVENC_H */
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