1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
/*
* 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/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
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 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,
};
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;
AVFifoBuffer *unused_surface_queue;
AVFifoBuffer *output_surface_queue;
AVFifoBuffer *output_surface_ready_queue;
AVFifoBuffer *timestamp_list;
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;
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;
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;
} 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 */
|
