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nvenc.c
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1 /*
2  * H.264 hardware encoding using nvidia nvenc
3  * Copyright (c) 2014 Timo Rothenpieler <timo@rothenpieler.org>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #if defined(_WIN32)
23 #include <windows.h>
24 #else
25 #include <dlfcn.h>
26 #endif
27 
28 #include <nvEncodeAPI.h>
29 
30 #include "libavutil/internal.h"
31 #include "libavutil/imgutils.h"
32 #include "libavutil/avassert.h"
33 #include "libavutil/opt.h"
34 #include "libavutil/mem.h"
35 #include "avcodec.h"
36 #include "internal.h"
37 #include "thread.h"
38 
39 #if defined(_WIN32)
40 #define CUDAAPI __stdcall
41 #else
42 #define CUDAAPI
43 #endif
44 
45 #if defined(_WIN32)
46 #define LOAD_FUNC(l, s) GetProcAddress(l, s)
47 #define DL_CLOSE_FUNC(l) FreeLibrary(l)
48 #else
49 #define LOAD_FUNC(l, s) dlsym(l, s)
50 #define DL_CLOSE_FUNC(l) dlclose(l)
51 #endif
52 
53 typedef enum cudaError_enum {
55 } CUresult;
56 typedef int CUdevice;
57 typedef void* CUcontext;
58 
59 typedef CUresult(CUDAAPI *PCUINIT)(unsigned int Flags);
61 typedef CUresult(CUDAAPI *PCUDEVICEGET)(CUdevice *device, int ordinal);
62 typedef CUresult(CUDAAPI *PCUDEVICEGETNAME)(char *name, int len, CUdevice dev);
63 typedef CUresult(CUDAAPI *PCUDEVICECOMPUTECAPABILITY)(int *major, int *minor, CUdevice dev);
64 typedef CUresult(CUDAAPI *PCUCTXCREATE)(CUcontext *pctx, unsigned int flags, CUdevice dev);
67 
68 typedef NVENCSTATUS (NVENCAPI* PNVENCODEAPICREATEINSTANCE)(NV_ENCODE_API_FUNCTION_LIST *functionList);
69 
70 typedef struct NvencInputSurface
71 {
72  NV_ENC_INPUT_PTR input_surface;
73  int width;
74  int height;
75 
76  int lockCount;
77 
78  NV_ENC_BUFFER_FORMAT format;
80 
81 typedef struct NvencOutputSurface
82 {
83  NV_ENC_OUTPUT_PTR output_surface;
84  int size;
85 
87 
88  int busy;
90 
91 typedef struct NvencData
92 {
93  union {
94  int64_t timestamp;
96  } u;
97 } NvencData;
98 
99 typedef struct NvencDataList
100 {
102 
103  uint32_t pos;
104  uint32_t count;
105  uint32_t size;
106 } NvencDataList;
107 
108 typedef struct NvencDynLoadFunctions
109 {
118 
119  NV_ENCODE_API_FUNCTION_LIST nvenc_funcs;
122 
123 #if defined(_WIN32)
126 #else
127  void* cuda_lib;
128  void* nvenc_lib;
129 #endif
131 
132 typedef struct NvencValuePair
133 {
134  const char *str;
135  uint32_t num;
137 
138 typedef struct NvencContext
139 {
141 
143 
144  NV_ENC_INITIALIZE_PARAMS init_encode_params;
145  NV_ENC_CONFIG encode_config;
147 
151 
155  int64_t last_dts;
156 
157  void *nvencoder;
158 
159  char *preset;
160  char *profile;
161  char *level;
162  char *tier;
163  int cbr;
164  int twopass;
165  int gpu;
167 } NvencContext;
168 
170  { "auto", NV_ENC_LEVEL_AUTOSELECT },
171  { "1" , NV_ENC_LEVEL_H264_1 },
172  { "1.0" , NV_ENC_LEVEL_H264_1 },
173  { "1b" , NV_ENC_LEVEL_H264_1b },
174  { "1.0b", NV_ENC_LEVEL_H264_1b },
175  { "1.1" , NV_ENC_LEVEL_H264_11 },
176  { "1.2" , NV_ENC_LEVEL_H264_12 },
177  { "1.3" , NV_ENC_LEVEL_H264_13 },
178  { "2" , NV_ENC_LEVEL_H264_2 },
179  { "2.0" , NV_ENC_LEVEL_H264_2 },
180  { "2.1" , NV_ENC_LEVEL_H264_21 },
181  { "2.2" , NV_ENC_LEVEL_H264_22 },
182  { "3" , NV_ENC_LEVEL_H264_3 },
183  { "3.0" , NV_ENC_LEVEL_H264_3 },
184  { "3.1" , NV_ENC_LEVEL_H264_31 },
185  { "3.2" , NV_ENC_LEVEL_H264_32 },
186  { "4" , NV_ENC_LEVEL_H264_4 },
187  { "4.0" , NV_ENC_LEVEL_H264_4 },
188  { "4.1" , NV_ENC_LEVEL_H264_41 },
189  { "4.2" , NV_ENC_LEVEL_H264_42 },
190  { "5" , NV_ENC_LEVEL_H264_5 },
191  { "5.0" , NV_ENC_LEVEL_H264_5 },
192  { "5.1" , NV_ENC_LEVEL_H264_51 },
193  { NULL }
194 };
195 
197  { "auto", NV_ENC_LEVEL_AUTOSELECT },
198  { "1" , NV_ENC_LEVEL_HEVC_1 },
199  { "1.0" , NV_ENC_LEVEL_HEVC_1 },
200  { "2" , NV_ENC_LEVEL_HEVC_2 },
201  { "2.0" , NV_ENC_LEVEL_HEVC_2 },
202  { "2.1" , NV_ENC_LEVEL_HEVC_21 },
203  { "3" , NV_ENC_LEVEL_HEVC_3 },
204  { "3.0" , NV_ENC_LEVEL_HEVC_3 },
205  { "3.1" , NV_ENC_LEVEL_HEVC_31 },
206  { "4" , NV_ENC_LEVEL_HEVC_4 },
207  { "4.0" , NV_ENC_LEVEL_HEVC_4 },
208  { "4.1" , NV_ENC_LEVEL_HEVC_41 },
209  { "5" , NV_ENC_LEVEL_HEVC_5 },
210  { "5.0" , NV_ENC_LEVEL_HEVC_5 },
211  { "5.1" , NV_ENC_LEVEL_HEVC_51 },
212  { "5.2" , NV_ENC_LEVEL_HEVC_52 },
213  { "6" , NV_ENC_LEVEL_HEVC_6 },
214  { "6.0" , NV_ENC_LEVEL_HEVC_6 },
215  { "6.1" , NV_ENC_LEVEL_HEVC_61 },
216  { "6.2" , NV_ENC_LEVEL_HEVC_62 },
217  { NULL }
218 };
219 
220 static int input_string_to_uint32(AVCodecContext *avctx, const NvencValuePair *pair, const char *input, uint32_t *output)
221 {
222  for (; pair->str; ++pair) {
223  if (!strcmp(input, pair->str)) {
224  *output = pair->num;
225  return 0;
226  }
227  }
228 
229  return AVERROR(EINVAL);
230 }
231 
233 {
234  uint32_t mask;
235  uint32_t read_pos;
236 
237  av_assert0(queue);
238  av_assert0(queue->size);
239  av_assert0(queue->data);
240 
241  if (!queue->count)
242  return NULL;
243 
244  /* Size always is a multiple of two */
245  mask = queue->size - 1;
246  read_pos = (queue->pos - queue->count) & mask;
247  queue->count--;
248 
249  return &queue->data[read_pos];
250 }
251 
253 {
254  NvencDataList new_queue;
255  NvencData* tmp_data;
256  uint32_t mask;
257 
258  if (!queue->size) {
259  /* size always has to be a multiple of two */
260  queue->size = 4;
261  queue->pos = 0;
262  queue->count = 0;
263 
264  queue->data = av_malloc(queue->size * sizeof(*(queue->data)));
265 
266  if (!queue->data) {
267  queue->size = 0;
268  return AVERROR(ENOMEM);
269  }
270  }
271 
272  if (queue->count == queue->size) {
273  new_queue.size = queue->size << 1;
274  new_queue.pos = 0;
275  new_queue.count = 0;
276  new_queue.data = av_malloc(new_queue.size * sizeof(*(queue->data)));
277 
278  if (!new_queue.data)
279  return AVERROR(ENOMEM);
280 
281  while (tmp_data = data_queue_dequeue(queue))
282  data_queue_enqueue(&new_queue, tmp_data);
283 
284  av_free(queue->data);
285  *queue = new_queue;
286  }
287 
288  mask = queue->size - 1;
289 
290  queue->data[queue->pos] = *data;
291  queue->pos = (queue->pos + 1) & mask;
292  queue->count++;
293 
294  return 0;
295 }
296 
298 {
299  NvencData data;
300  data.u.surface = surface;
301 
302  return data_queue_enqueue(queue, &data);
303 }
304 
306 {
307  NvencData* res = data_queue_dequeue(queue);
308 
309  if (!res)
310  return NULL;
311 
312  return res->u.surface;
313 }
314 
315 static int timestamp_queue_enqueue(NvencDataList* queue, int64_t timestamp)
316 {
317  NvencData data;
318  data.u.timestamp = timestamp;
319 
320  return data_queue_enqueue(queue, &data);
321 }
322 
324 {
325  NvencData* res = data_queue_dequeue(queue);
326 
327  if (!res)
328  return AV_NOPTS_VALUE;
329 
330  return res->u.timestamp;
331 }
332 
333 #define CHECK_LOAD_FUNC(t, f, s) \
334 do { \
335  (f) = (t)LOAD_FUNC(dl_fn->cuda_lib, s); \
336  if (!(f)) { \
337  av_log(avctx, AV_LOG_FATAL, "Failed loading %s from CUDA library\n", s); \
338  goto error; \
339  } \
340 } while (0)
341 
343 {
344  NvencContext *ctx = avctx->priv_data;
346 
347  if (dl_fn->cuda_lib)
348  return 1;
349 
350 #if defined(_WIN32)
351  dl_fn->cuda_lib = LoadLibrary(TEXT("nvcuda.dll"));
352 #else
353  dl_fn->cuda_lib = dlopen("libcuda.so", RTLD_LAZY);
354 #endif
355 
356  if (!dl_fn->cuda_lib) {
357  av_log(avctx, AV_LOG_FATAL, "Failed loading CUDA library\n");
358  goto error;
359  }
360 
361  CHECK_LOAD_FUNC(PCUINIT, dl_fn->cu_init, "cuInit");
362  CHECK_LOAD_FUNC(PCUDEVICEGETCOUNT, dl_fn->cu_device_get_count, "cuDeviceGetCount");
363  CHECK_LOAD_FUNC(PCUDEVICEGET, dl_fn->cu_device_get, "cuDeviceGet");
364  CHECK_LOAD_FUNC(PCUDEVICEGETNAME, dl_fn->cu_device_get_name, "cuDeviceGetName");
365  CHECK_LOAD_FUNC(PCUDEVICECOMPUTECAPABILITY, dl_fn->cu_device_compute_capability, "cuDeviceComputeCapability");
366  CHECK_LOAD_FUNC(PCUCTXCREATE, dl_fn->cu_ctx_create, "cuCtxCreate_v2");
367  CHECK_LOAD_FUNC(PCUCTXPOPCURRENT, dl_fn->cu_ctx_pop_current, "cuCtxPopCurrent_v2");
368  CHECK_LOAD_FUNC(PCUCTXDESTROY, dl_fn->cu_ctx_destroy, "cuCtxDestroy_v2");
369 
370  return 1;
371 
372 error:
373 
374  if (dl_fn->cuda_lib)
375  DL_CLOSE_FUNC(dl_fn->cuda_lib);
376 
377  dl_fn->cuda_lib = NULL;
378 
379  return 0;
380 }
381 
382 static av_cold int check_cuda_errors(AVCodecContext *avctx, CUresult err, const char *func)
383 {
384  if (err != CUDA_SUCCESS) {
385  av_log(avctx, AV_LOG_FATAL, ">> %s - failed with error code 0x%x\n", func, err);
386  return 0;
387  }
388  return 1;
389 }
390 #define check_cuda_errors(f) if (!check_cuda_errors(avctx, f, #f)) goto error
391 
393 {
394  int device_count = 0;
395  CUdevice cu_device = 0;
396  char gpu_name[128];
397  int smminor = 0, smmajor = 0;
398  int i, smver, target_smver;
399 
400  NvencContext *ctx = avctx->priv_data;
402 
403  switch (avctx->codec->id) {
404  case AV_CODEC_ID_H264:
405  target_smver = avctx->pix_fmt == AV_PIX_FMT_YUV444P ? 0x52 : 0x30;
406  break;
407  case AV_CODEC_ID_H265:
408  target_smver = 0x52;
409  break;
410  default:
411  av_log(avctx, AV_LOG_FATAL, "nvenc: Unknown codec name\n");
412  goto error;
413  }
414 
415  if (!nvenc_dyload_cuda(avctx))
416  return 0;
417 
418  if (dl_fn->nvenc_device_count > 0)
419  return 1;
420 
421  check_cuda_errors(dl_fn->cu_init(0));
422 
423  check_cuda_errors(dl_fn->cu_device_get_count(&device_count));
424 
425  if (!device_count) {
426  av_log(avctx, AV_LOG_FATAL, "No CUDA capable devices found\n");
427  goto error;
428  }
429 
430  av_log(avctx, AV_LOG_VERBOSE, "%d CUDA capable devices found\n", device_count);
431 
432  dl_fn->nvenc_device_count = 0;
433 
434  for (i = 0; i < device_count; ++i) {
435  check_cuda_errors(dl_fn->cu_device_get(&cu_device, i));
436  check_cuda_errors(dl_fn->cu_device_get_name(gpu_name, sizeof(gpu_name), cu_device));
437  check_cuda_errors(dl_fn->cu_device_compute_capability(&smmajor, &smminor, cu_device));
438 
439  smver = (smmajor << 4) | smminor;
440 
441  av_log(avctx, AV_LOG_VERBOSE, "[ GPU #%d - < %s > has Compute SM %d.%d, NVENC %s ]\n", i, gpu_name, smmajor, smminor, (smver >= target_smver) ? "Available" : "Not Available");
442 
443  if (smver >= target_smver)
444  dl_fn->nvenc_devices[dl_fn->nvenc_device_count++] = cu_device;
445  }
446 
447  if (!dl_fn->nvenc_device_count) {
448  av_log(avctx, AV_LOG_FATAL, "No NVENC capable devices found\n");
449  goto error;
450  }
451 
452  return 1;
453 
454 error:
455 
456  dl_fn->nvenc_device_count = 0;
457 
458  return 0;
459 }
460 
462 {
463  PNVENCODEAPICREATEINSTANCE nvEncodeAPICreateInstance = 0;
464  NVENCSTATUS nvstatus;
465 
466  NvencContext *ctx = avctx->priv_data;
468 
469  if (!nvenc_check_cuda(avctx))
470  return 0;
471 
472  if (dl_fn->nvenc_lib)
473  return 1;
474 
475 #if defined(_WIN32)
476  if (sizeof(void*) == 8) {
477  dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI64.dll"));
478  } else {
479  dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI.dll"));
480  }
481 #else
482  dl_fn->nvenc_lib = dlopen("libnvidia-encode.so.1", RTLD_LAZY);
483 #endif
484 
485  if (!dl_fn->nvenc_lib) {
486  av_log(avctx, AV_LOG_FATAL, "Failed loading the nvenc library\n");
487  goto error;
488  }
489 
490  nvEncodeAPICreateInstance = (PNVENCODEAPICREATEINSTANCE)LOAD_FUNC(dl_fn->nvenc_lib, "NvEncodeAPICreateInstance");
491 
492  if (!nvEncodeAPICreateInstance) {
493  av_log(avctx, AV_LOG_FATAL, "Failed to load nvenc entrypoint\n");
494  goto error;
495  }
496 
497  dl_fn->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER;
498 
499  nvstatus = nvEncodeAPICreateInstance(&dl_fn->nvenc_funcs);
500 
501  if (nvstatus != NV_ENC_SUCCESS) {
502  av_log(avctx, AV_LOG_FATAL, "Failed to create nvenc instance\n");
503  goto error;
504  }
505 
506  av_log(avctx, AV_LOG_VERBOSE, "Nvenc initialized successfully\n");
507 
508  return 1;
509 
510 error:
511  if (dl_fn->nvenc_lib)
512  DL_CLOSE_FUNC(dl_fn->nvenc_lib);
513 
514  dl_fn->nvenc_lib = NULL;
515 
516  return 0;
517 }
518 
520 {
521  NvencContext *ctx = avctx->priv_data;
523 
524  DL_CLOSE_FUNC(dl_fn->nvenc_lib);
525  dl_fn->nvenc_lib = NULL;
526 
527  dl_fn->nvenc_device_count = 0;
528 
529  DL_CLOSE_FUNC(dl_fn->cuda_lib);
530  dl_fn->cuda_lib = NULL;
531 
532  dl_fn->cu_init = NULL;
533  dl_fn->cu_device_get_count = NULL;
534  dl_fn->cu_device_get = NULL;
535  dl_fn->cu_device_get_name = NULL;
537  dl_fn->cu_ctx_create = NULL;
538  dl_fn->cu_ctx_pop_current = NULL;
539  dl_fn->cu_ctx_destroy = NULL;
540 
541  av_log(avctx, AV_LOG_VERBOSE, "Nvenc unloaded\n");
542 }
543 
545 {
546  NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS encode_session_params = { 0 };
547  NV_ENC_PRESET_CONFIG preset_config = { 0 };
548  CUcontext cu_context_curr;
549  CUresult cu_res;
550  GUID encoder_preset = NV_ENC_PRESET_HQ_GUID;
551  GUID codec;
552  NVENCSTATUS nv_status = NV_ENC_SUCCESS;
553  int surfaceCount = 0;
554  int i, num_mbs;
555  int isLL = 0;
556  int lossless = 0;
557  int res = 0;
558  int dw, dh;
559 
560  NvencContext *ctx = avctx->priv_data;
562  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
563 
564  if (!nvenc_dyload_nvenc(avctx))
565  return AVERROR_EXTERNAL;
566 
567  ctx->last_dts = AV_NOPTS_VALUE;
568 
569  ctx->encode_config.version = NV_ENC_CONFIG_VER;
570  ctx->init_encode_params.version = NV_ENC_INITIALIZE_PARAMS_VER;
571  preset_config.version = NV_ENC_PRESET_CONFIG_VER;
572  preset_config.presetCfg.version = NV_ENC_CONFIG_VER;
573  encode_session_params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER;
574  encode_session_params.apiVersion = NVENCAPI_VERSION;
575 
576  if (ctx->gpu >= dl_fn->nvenc_device_count) {
577  av_log(avctx, AV_LOG_FATAL, "Requested GPU %d, but only %d GPUs are available!\n", ctx->gpu, dl_fn->nvenc_device_count);
578  res = AVERROR(EINVAL);
579  goto error;
580  }
581 
582  ctx->cu_context = NULL;
583  cu_res = dl_fn->cu_ctx_create(&ctx->cu_context, 0, dl_fn->nvenc_devices[ctx->gpu]);
584 
585  if (cu_res != CUDA_SUCCESS) {
586  av_log(avctx, AV_LOG_FATAL, "Failed creating CUDA context for NVENC: 0x%x\n", (int)cu_res);
587  res = AVERROR_EXTERNAL;
588  goto error;
589  }
590 
591  cu_res = dl_fn->cu_ctx_pop_current(&cu_context_curr);
592 
593  if (cu_res != CUDA_SUCCESS) {
594  av_log(avctx, AV_LOG_FATAL, "Failed popping CUDA context: 0x%x\n", (int)cu_res);
595  res = AVERROR_EXTERNAL;
596  goto error;
597  }
598 
599  encode_session_params.device = ctx->cu_context;
600  encode_session_params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
601 
602  nv_status = p_nvenc->nvEncOpenEncodeSessionEx(&encode_session_params, &ctx->nvencoder);
603  if (nv_status != NV_ENC_SUCCESS) {
604  ctx->nvencoder = NULL;
605  av_log(avctx, AV_LOG_FATAL, "OpenEncodeSessionEx failed: 0x%x - invalid license key?\n", (int)nv_status);
606  res = AVERROR_EXTERNAL;
607  goto error;
608  }
609 
610  if (ctx->preset) {
611  if (!strcmp(ctx->preset, "hp")) {
612  encoder_preset = NV_ENC_PRESET_HP_GUID;
613  } else if (!strcmp(ctx->preset, "hq")) {
614  encoder_preset = NV_ENC_PRESET_HQ_GUID;
615  } else if (!strcmp(ctx->preset, "bd")) {
616  encoder_preset = NV_ENC_PRESET_BD_GUID;
617  } else if (!strcmp(ctx->preset, "ll")) {
618  encoder_preset = NV_ENC_PRESET_LOW_LATENCY_DEFAULT_GUID;
619  isLL = 1;
620  } else if (!strcmp(ctx->preset, "llhp")) {
621  encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HP_GUID;
622  isLL = 1;
623  } else if (!strcmp(ctx->preset, "llhq")) {
624  encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HQ_GUID;
625  isLL = 1;
626  } else if (!strcmp(ctx->preset, "lossless")) {
627  encoder_preset = NV_ENC_PRESET_LOSSLESS_DEFAULT_GUID;
628  lossless = 1;
629  } else if (!strcmp(ctx->preset, "losslesshp")) {
630  encoder_preset = NV_ENC_PRESET_LOSSLESS_HP_GUID;
631  lossless = 1;
632  } else if (!strcmp(ctx->preset, "default")) {
633  encoder_preset = NV_ENC_PRESET_DEFAULT_GUID;
634  } else {
635  av_log(avctx, AV_LOG_FATAL, "Preset \"%s\" is unknown! Supported presets: hp, hq, bd, ll, llhp, llhq, lossless, losslesshp, default\n", ctx->preset);
636  res = AVERROR(EINVAL);
637  goto error;
638  }
639  }
640 
641  switch (avctx->codec->id) {
642  case AV_CODEC_ID_H264:
643  codec = NV_ENC_CODEC_H264_GUID;
644  break;
645  case AV_CODEC_ID_H265:
646  codec = NV_ENC_CODEC_HEVC_GUID;
647  break;
648  default:
649  av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
650  res = AVERROR(EINVAL);
651  goto error;
652  }
653 
654  nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder, codec, encoder_preset, &preset_config);
655  if (nv_status != NV_ENC_SUCCESS) {
656  av_log(avctx, AV_LOG_FATAL, "GetEncodePresetConfig failed: 0x%x\n", (int)nv_status);
657  res = AVERROR_EXTERNAL;
658  goto error;
659  }
660 
661  ctx->init_encode_params.encodeGUID = codec;
662  ctx->init_encode_params.encodeHeight = avctx->height;
663  ctx->init_encode_params.encodeWidth = avctx->width;
664 
665  if (avctx->sample_aspect_ratio.num && avctx->sample_aspect_ratio.den &&
666  (avctx->sample_aspect_ratio.num != 1 || avctx->sample_aspect_ratio.num != 1)) {
667  av_reduce(&dw, &dh,
668  avctx->width * avctx->sample_aspect_ratio.num,
669  avctx->height * avctx->sample_aspect_ratio.den,
670  1024 * 1024);
671  ctx->init_encode_params.darHeight = dh;
672  ctx->init_encode_params.darWidth = dw;
673  } else {
674  ctx->init_encode_params.darHeight = avctx->height;
675  ctx->init_encode_params.darWidth = avctx->width;
676  }
677 
678  // De-compensate for hardware, dubiously, trying to compensate for
679  // playback at 704 pixel width.
680  if (avctx->width == 720 &&
681  (avctx->height == 480 || avctx->height == 576)) {
682  av_reduce(&dw, &dh,
683  ctx->init_encode_params.darWidth * 44,
684  ctx->init_encode_params.darHeight * 45,
685  1024 * 1024);
686  ctx->init_encode_params.darHeight = dh;
687  ctx->init_encode_params.darWidth = dw;
688  }
689 
690  ctx->init_encode_params.frameRateNum = avctx->time_base.den;
691  ctx->init_encode_params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame;
692 
693  num_mbs = ((avctx->width + 15) >> 4) * ((avctx->height + 15) >> 4);
694  ctx->max_surface_count = (num_mbs >= 8160) ? 32 : 48;
695 
696  if (ctx->buffer_delay >= ctx->max_surface_count)
697  ctx->buffer_delay = ctx->max_surface_count - 1;
698 
699  ctx->init_encode_params.enableEncodeAsync = 0;
700  ctx->init_encode_params.enablePTD = 1;
701 
702  ctx->init_encode_params.presetGUID = encoder_preset;
703 
704  ctx->init_encode_params.encodeConfig = &ctx->encode_config;
705  memcpy(&ctx->encode_config, &preset_config.presetCfg, sizeof(ctx->encode_config));
706  ctx->encode_config.version = NV_ENC_CONFIG_VER;
707 
708  if (avctx->refs >= 0) {
709  /* 0 means "let the hardware decide" */
710  switch (avctx->codec->id) {
711  case AV_CODEC_ID_H264:
712  ctx->encode_config.encodeCodecConfig.h264Config.maxNumRefFrames = avctx->refs;
713  break;
714  case AV_CODEC_ID_H265:
715  ctx->encode_config.encodeCodecConfig.hevcConfig.maxNumRefFramesInDPB = avctx->refs;
716  break;
717  /* Earlier switch/case will return if unknown codec is passed. */
718  }
719  }
720 
721  if (avctx->gop_size > 0) {
722  if (avctx->max_b_frames >= 0) {
723  /* 0 is intra-only, 1 is I/P only, 2 is one B Frame, 3 two B frames, and so on. */
724  ctx->encode_config.frameIntervalP = avctx->max_b_frames + 1;
725  }
726 
727  ctx->encode_config.gopLength = avctx->gop_size;
728  switch (avctx->codec->id) {
729  case AV_CODEC_ID_H264:
730  ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = avctx->gop_size;
731  break;
732  case AV_CODEC_ID_H265:
733  ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = avctx->gop_size;
734  break;
735  /* Earlier switch/case will return if unknown codec is passed. */
736  }
737  } else if (avctx->gop_size == 0) {
738  ctx->encode_config.frameIntervalP = 0;
739  ctx->encode_config.gopLength = 1;
740  switch (avctx->codec->id) {
741  case AV_CODEC_ID_H264:
742  ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = 1;
743  break;
744  case AV_CODEC_ID_H265:
745  ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = 1;
746  break;
747  /* Earlier switch/case will return if unknown codec is passed. */
748  }
749  }
750 
751  /* when there're b frames, set dts offset */
752  if (ctx->encode_config.frameIntervalP >= 2)
753  ctx->last_dts = -2;
754 
755  if (avctx->bit_rate > 0)
756  ctx->encode_config.rcParams.averageBitRate = avctx->bit_rate;
757 
758  if (avctx->rc_max_rate > 0)
759  ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate;
760 
761  if (lossless) {
762  if (avctx->codec->id == AV_CODEC_ID_H264)
763  ctx->encode_config.encodeCodecConfig.h264Config.qpPrimeYZeroTransformBypassFlag = 1;
764 
765  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
766  ctx->encode_config.rcParams.constQP.qpInterB = 0;
767  ctx->encode_config.rcParams.constQP.qpInterP = 0;
768  ctx->encode_config.rcParams.constQP.qpIntra = 0;
769 
770  avctx->qmin = -1;
771  avctx->qmax = -1;
772  } else if (ctx->cbr) {
773  if (!ctx->twopass) {
774  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
775  } else if (ctx->twopass == 1 || isLL) {
776  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_QUALITY;
777 
778  if (avctx->codec->id == AV_CODEC_ID_H264) {
779  ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE;
780  ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE;
781  }
782  } else {
783  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
784  }
785  } else if (avctx->global_quality > 0) {
786  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
787  ctx->encode_config.rcParams.constQP.qpInterB = avctx->global_quality;
788  ctx->encode_config.rcParams.constQP.qpInterP = avctx->global_quality;
789  ctx->encode_config.rcParams.constQP.qpIntra = avctx->global_quality;
790 
791  avctx->qmin = -1;
792  avctx->qmax = -1;
793  } else if (avctx->qmin >= 0 && avctx->qmax >= 0) {
794  if (ctx->twopass == 1) {
795  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_VBR;
796 
797  if (avctx->codec->id == AV_CODEC_ID_H264) {
798  ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE;
799  ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE;
800  }
801  } else {
802  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR;
803  }
804 
805  ctx->encode_config.rcParams.enableMinQP = 1;
806  ctx->encode_config.rcParams.enableMaxQP = 1;
807 
808  ctx->encode_config.rcParams.minQP.qpInterB = avctx->qmin;
809  ctx->encode_config.rcParams.minQP.qpInterP = avctx->qmin;
810  ctx->encode_config.rcParams.minQP.qpIntra = avctx->qmin;
811 
812  ctx->encode_config.rcParams.maxQP.qpInterB = avctx->qmax;
813  ctx->encode_config.rcParams.maxQP.qpInterP = avctx->qmax;
814  ctx->encode_config.rcParams.maxQP.qpIntra = avctx->qmax;
815  }
816 
817  if (avctx->rc_buffer_size > 0)
818  ctx->encode_config.rcParams.vbvBufferSize = avctx->rc_buffer_size;
819 
820  if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
821  ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD;
822  } else {
823  ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME;
824  }
825 
826  switch (avctx->codec->id) {
827  case AV_CODEC_ID_H264:
828  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourDescriptionPresentFlag = 1;
829  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoSignalTypePresentFlag = 1;
830 
831  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourMatrix = avctx->colorspace;
832  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourPrimaries = avctx->color_primaries;
833  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.transferCharacteristics = avctx->color_trc;
834 
835  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFullRangeFlag = avctx->color_range == AVCOL_RANGE_JPEG;
836 
837  ctx->encode_config.encodeCodecConfig.h264Config.disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
838  ctx->encode_config.encodeCodecConfig.h264Config.repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
839 
840  if (!ctx->profile) {
841  switch (avctx->profile) {
843  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
844  break;
846  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
847  break;
849  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
850  break;
852  case FF_PROFILE_UNKNOWN:
853  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
854  break;
855  default:
856  av_log(avctx, AV_LOG_WARNING, "Unsupported profile requested, falling back to high\n");
857  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
858  break;
859  }
860  } else {
861  if (!strcmp(ctx->profile, "high")) {
862  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
863  avctx->profile = FF_PROFILE_H264_HIGH;
864  } else if (!strcmp(ctx->profile, "main")) {
865  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
866  avctx->profile = FF_PROFILE_H264_MAIN;
867  } else if (!strcmp(ctx->profile, "baseline")) {
868  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
870  } else if (!strcmp(ctx->profile, "high444p")) {
871  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
873  } else {
874  av_log(avctx, AV_LOG_FATAL, "Profile \"%s\" is unknown! Supported profiles: high, main, baseline\n", ctx->profile);
875  res = AVERROR(EINVAL);
876  goto error;
877  }
878  }
879 
880  ctx->encode_config.encodeCodecConfig.h264Config.chromaFormatIDC = avctx->profile == FF_PROFILE_H264_HIGH_444_PREDICTIVE ? 3 : 1;
881 
882  if (ctx->level) {
883  res = input_string_to_uint32(avctx, nvenc_h264_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.h264Config.level);
884 
885  if (res) {
886  av_log(avctx, AV_LOG_FATAL, "Level \"%s\" is unknown! Supported levels: auto, 1, 1b, 1.1, 1.2, 1.3, 2, 2.1, 2.2, 3, 3.1, 3.2, 4, 4.1, 4.2, 5, 5.1\n", ctx->level);
887  goto error;
888  }
889  } else {
890  ctx->encode_config.encodeCodecConfig.h264Config.level = NV_ENC_LEVEL_AUTOSELECT;
891  }
892 
893  break;
894  case AV_CODEC_ID_H265:
895  ctx->encode_config.encodeCodecConfig.hevcConfig.disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
896  ctx->encode_config.encodeCodecConfig.hevcConfig.repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
897 
898  /* No other profile is supported in the current SDK version 5 */
899  ctx->encode_config.profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID;
900  avctx->profile = FF_PROFILE_HEVC_MAIN;
901 
902  if (ctx->level) {
903  res = input_string_to_uint32(avctx, nvenc_hevc_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.hevcConfig.level);
904 
905  if (res) {
906  av_log(avctx, AV_LOG_FATAL, "Level \"%s\" is unknown! Supported levels: auto, 1, 2, 2.1, 3, 3.1, 4, 4.1, 5, 5.1, 5.2, 6, 6.1, 6.2\n", ctx->level);
907  goto error;
908  }
909  } else {
910  ctx->encode_config.encodeCodecConfig.hevcConfig.level = NV_ENC_LEVEL_AUTOSELECT;
911  }
912 
913  if (ctx->tier) {
914  if (!strcmp(ctx->tier, "main")) {
915  ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_MAIN;
916  } else if (!strcmp(ctx->tier, "high")) {
917  ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_HIGH;
918  } else {
919  av_log(avctx, AV_LOG_FATAL, "Tier \"%s\" is unknown! Supported tiers: main, high\n", ctx->tier);
920  res = AVERROR(EINVAL);
921  goto error;
922  }
923  }
924 
925  break;
926  /* Earlier switch/case will return if unknown codec is passed. */
927  }
928 
929  nv_status = p_nvenc->nvEncInitializeEncoder(ctx->nvencoder, &ctx->init_encode_params);
930  if (nv_status != NV_ENC_SUCCESS) {
931  av_log(avctx, AV_LOG_FATAL, "InitializeEncoder failed: 0x%x\n", (int)nv_status);
932  res = AVERROR_EXTERNAL;
933  goto error;
934  }
935 
936  ctx->input_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->input_surfaces));
937 
938  if (!ctx->input_surfaces) {
939  res = AVERROR(ENOMEM);
940  goto error;
941  }
942 
943  ctx->output_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->output_surfaces));
944 
945  if (!ctx->output_surfaces) {
946  res = AVERROR(ENOMEM);
947  goto error;
948  }
949 
950  for (surfaceCount = 0; surfaceCount < ctx->max_surface_count; ++surfaceCount) {
951  NV_ENC_CREATE_INPUT_BUFFER allocSurf = { 0 };
952  NV_ENC_CREATE_BITSTREAM_BUFFER allocOut = { 0 };
953  allocSurf.version = NV_ENC_CREATE_INPUT_BUFFER_VER;
954  allocOut.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
955 
956  allocSurf.width = (avctx->width + 31) & ~31;
957  allocSurf.height = (avctx->height + 31) & ~31;
958 
959  allocSurf.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
960 
961  switch (avctx->pix_fmt) {
962  case AV_PIX_FMT_YUV420P:
963  allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YV12_PL;
964  break;
965 
966  case AV_PIX_FMT_NV12:
967  allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12_PL;
968  break;
969 
970  case AV_PIX_FMT_YUV444P:
971  allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YUV444_PL;
972  break;
973 
974  default:
975  av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format\n");
976  res = AVERROR(EINVAL);
977  goto error;
978  }
979 
980  nv_status = p_nvenc->nvEncCreateInputBuffer(ctx->nvencoder, &allocSurf);
981  if (nv_status != NV_ENC_SUCCESS) {
982  av_log(avctx, AV_LOG_FATAL, "CreateInputBuffer failed\n");
983  res = AVERROR_EXTERNAL;
984  goto error;
985  }
986 
987  ctx->input_surfaces[surfaceCount].lockCount = 0;
988  ctx->input_surfaces[surfaceCount].input_surface = allocSurf.inputBuffer;
989  ctx->input_surfaces[surfaceCount].format = allocSurf.bufferFmt;
990  ctx->input_surfaces[surfaceCount].width = allocSurf.width;
991  ctx->input_surfaces[surfaceCount].height = allocSurf.height;
992 
993  /* 1MB is large enough to hold most output frames. NVENC increases this automaticaly if it's not enough. */
994  allocOut.size = 1024 * 1024;
995 
996  allocOut.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
997 
998  nv_status = p_nvenc->nvEncCreateBitstreamBuffer(ctx->nvencoder, &allocOut);
999  if (nv_status != NV_ENC_SUCCESS) {
1000  av_log(avctx, AV_LOG_FATAL, "CreateBitstreamBuffer failed\n");
1001  ctx->output_surfaces[surfaceCount++].output_surface = NULL;
1002  res = AVERROR_EXTERNAL;
1003  goto error;
1004  }
1005 
1006  ctx->output_surfaces[surfaceCount].output_surface = allocOut.bitstreamBuffer;
1007  ctx->output_surfaces[surfaceCount].size = allocOut.size;
1008  ctx->output_surfaces[surfaceCount].busy = 0;
1009  }
1010 
1011  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
1012  uint32_t outSize = 0;
1013  char tmpHeader[256];
1014  NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = { 0 };
1015  payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER;
1016 
1017  payload.spsppsBuffer = tmpHeader;
1018  payload.inBufferSize = sizeof(tmpHeader);
1019  payload.outSPSPPSPayloadSize = &outSize;
1020 
1021  nv_status = p_nvenc->nvEncGetSequenceParams(ctx->nvencoder, &payload);
1022  if (nv_status != NV_ENC_SUCCESS) {
1023  av_log(avctx, AV_LOG_FATAL, "GetSequenceParams failed\n");
1024  goto error;
1025  }
1026 
1027  avctx->extradata_size = outSize;
1029 
1030  if (!avctx->extradata) {
1031  res = AVERROR(ENOMEM);
1032  goto error;
1033  }
1034 
1035  memcpy(avctx->extradata, tmpHeader, outSize);
1036  }
1037 
1038  if (ctx->encode_config.frameIntervalP > 1)
1039  avctx->has_b_frames = 2;
1040 
1041  if (ctx->encode_config.rcParams.averageBitRate > 0)
1042  avctx->bit_rate = ctx->encode_config.rcParams.averageBitRate;
1043 
1044  return 0;
1045 
1046 error:
1047 
1048  for (i = 0; i < surfaceCount; ++i) {
1049  p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
1050  if (ctx->output_surfaces[i].output_surface)
1051  p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
1052  }
1053 
1054  if (ctx->nvencoder)
1055  p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
1056 
1057  if (ctx->cu_context)
1058  dl_fn->cu_ctx_destroy(ctx->cu_context);
1059 
1060  nvenc_unload_nvenc(avctx);
1061 
1062  ctx->nvencoder = NULL;
1063  ctx->cu_context = NULL;
1064 
1065  return res;
1066 }
1067 
1069 {
1070  NvencContext *ctx = avctx->priv_data;
1072  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1073  int i;
1074 
1075  av_freep(&ctx->timestamp_list.data);
1078 
1079  for (i = 0; i < ctx->max_surface_count; ++i) {
1080  p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
1081  p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
1082  }
1083  ctx->max_surface_count = 0;
1084 
1085  p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
1086  ctx->nvencoder = NULL;
1087 
1088  dl_fn->cu_ctx_destroy(ctx->cu_context);
1089  ctx->cu_context = NULL;
1090 
1091  nvenc_unload_nvenc(avctx);
1092 
1093  return 0;
1094 }
1095 
1097 {
1098  NvencContext *ctx = avctx->priv_data;
1100  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1101 
1102  uint32_t slice_mode_data;
1103  uint32_t *slice_offsets;
1104  NV_ENC_LOCK_BITSTREAM lock_params = { 0 };
1105  NVENCSTATUS nv_status;
1106  int res = 0;
1107 
1108  switch (avctx->codec->id) {
1109  case AV_CODEC_ID_H264:
1110  slice_mode_data = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
1111  break;
1112  case AV_CODEC_ID_H265:
1113  slice_mode_data = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
1114  break;
1115  default:
1116  av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
1117  res = AVERROR(EINVAL);
1118  goto error;
1119  }
1120  slice_offsets = av_mallocz(slice_mode_data * sizeof(*slice_offsets));
1121 
1122  if (!slice_offsets)
1123  return AVERROR(ENOMEM);
1124 
1125  lock_params.version = NV_ENC_LOCK_BITSTREAM_VER;
1126 
1127  lock_params.doNotWait = 0;
1128  lock_params.outputBitstream = tmpoutsurf->output_surface;
1129  lock_params.sliceOffsets = slice_offsets;
1130 
1131  nv_status = p_nvenc->nvEncLockBitstream(ctx->nvencoder, &lock_params);
1132  if (nv_status != NV_ENC_SUCCESS) {
1133  av_log(avctx, AV_LOG_ERROR, "Failed locking bitstream buffer\n");
1134  res = AVERROR_EXTERNAL;
1135  goto error;
1136  }
1137 
1138  if (res = ff_alloc_packet2(avctx, pkt, lock_params.bitstreamSizeInBytes, 0)) {
1139  p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
1140  goto error;
1141  }
1142 
1143  memcpy(pkt->data, lock_params.bitstreamBufferPtr, lock_params.bitstreamSizeInBytes);
1144 
1145  nv_status = p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
1146  if (nv_status != NV_ENC_SUCCESS)
1147  av_log(avctx, AV_LOG_ERROR, "Failed unlocking bitstream buffer, expect the gates of mordor to open\n");
1148 
1149  switch (lock_params.pictureType) {
1150  case NV_ENC_PIC_TYPE_IDR:
1151  pkt->flags |= AV_PKT_FLAG_KEY;
1152 #if FF_API_CODED_FRAME
1154  case NV_ENC_PIC_TYPE_I:
1156  break;
1157  case NV_ENC_PIC_TYPE_P:
1159  break;
1160  case NV_ENC_PIC_TYPE_B:
1162  break;
1163  case NV_ENC_PIC_TYPE_BI:
1165  break;
1166  default:
1167  av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered, expect the output to be broken.\n");
1168  av_log(avctx, AV_LOG_ERROR, "Please report this error and include as much information on how to reproduce it as possible.\n");
1169  res = AVERROR_EXTERNAL;
1170  goto error;
1172 #endif
1173  }
1174 
1175  pkt->pts = lock_params.outputTimeStamp;
1177 
1178  /* when there're b frame(s), set dts offset */
1179  if (ctx->encode_config.frameIntervalP >= 2)
1180  pkt->dts -= 1;
1181 
1182  if (pkt->dts > pkt->pts)
1183  pkt->dts = pkt->pts;
1184 
1185  if (ctx->last_dts != AV_NOPTS_VALUE && pkt->dts <= ctx->last_dts)
1186  pkt->dts = ctx->last_dts + 1;
1187 
1188  ctx->last_dts = pkt->dts;
1189 
1190  av_free(slice_offsets);
1191 
1192  return 0;
1193 
1194 error:
1195 
1196  av_free(slice_offsets);
1198 
1199  return res;
1200 }
1201 
1203  const AVFrame *frame, int *got_packet)
1204 {
1205  NVENCSTATUS nv_status;
1206  NvencOutputSurface *tmpoutsurf;
1207  int res, i = 0;
1208 
1209  NvencContext *ctx = avctx->priv_data;
1211  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1212 
1213  NV_ENC_PIC_PARAMS pic_params = { 0 };
1214  pic_params.version = NV_ENC_PIC_PARAMS_VER;
1215 
1216  if (frame) {
1217  NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 };
1218  NvencInputSurface *inSurf = NULL;
1219 
1220  for (i = 0; i < ctx->max_surface_count; ++i) {
1221  if (!ctx->input_surfaces[i].lockCount) {
1222  inSurf = &ctx->input_surfaces[i];
1223  break;
1224  }
1225  }
1226 
1227  av_assert0(inSurf);
1228 
1229  inSurf->lockCount = 1;
1230 
1231  lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
1232  lockBufferParams.inputBuffer = inSurf->input_surface;
1233 
1234  nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams);
1235  if (nv_status != NV_ENC_SUCCESS) {
1236  av_log(avctx, AV_LOG_ERROR, "Failed locking nvenc input buffer\n");
1237  return 0;
1238  }
1239 
1240  if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
1241  uint8_t *buf = lockBufferParams.bufferDataPtr;
1242 
1243  av_image_copy_plane(buf, lockBufferParams.pitch,
1244  frame->data[0], frame->linesize[0],
1245  avctx->width, avctx->height);
1246 
1247  buf += inSurf->height * lockBufferParams.pitch;
1248 
1249  av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
1250  frame->data[2], frame->linesize[2],
1251  avctx->width >> 1, avctx->height >> 1);
1252 
1253  buf += (inSurf->height * lockBufferParams.pitch) >> 2;
1254 
1255  av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
1256  frame->data[1], frame->linesize[1],
1257  avctx->width >> 1, avctx->height >> 1);
1258  } else if (avctx->pix_fmt == AV_PIX_FMT_NV12) {
1259  uint8_t *buf = lockBufferParams.bufferDataPtr;
1260 
1261  av_image_copy_plane(buf, lockBufferParams.pitch,
1262  frame->data[0], frame->linesize[0],
1263  avctx->width, avctx->height);
1264 
1265  buf += inSurf->height * lockBufferParams.pitch;
1266 
1267  av_image_copy_plane(buf, lockBufferParams.pitch,
1268  frame->data[1], frame->linesize[1],
1269  avctx->width, avctx->height >> 1);
1270  } else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P) {
1271  uint8_t *buf = lockBufferParams.bufferDataPtr;
1272 
1273  av_image_copy_plane(buf, lockBufferParams.pitch,
1274  frame->data[0], frame->linesize[0],
1275  avctx->width, avctx->height);
1276 
1277  buf += inSurf->height * lockBufferParams.pitch;
1278 
1279  av_image_copy_plane(buf, lockBufferParams.pitch,
1280  frame->data[1], frame->linesize[1],
1281  avctx->width, avctx->height);
1282 
1283  buf += inSurf->height * lockBufferParams.pitch;
1284 
1285  av_image_copy_plane(buf, lockBufferParams.pitch,
1286  frame->data[2], frame->linesize[2],
1287  avctx->width, avctx->height);
1288  } else {
1289  av_log(avctx, AV_LOG_FATAL, "Invalid pixel format!\n");
1290  return AVERROR(EINVAL);
1291  }
1292 
1293  nv_status = p_nvenc->nvEncUnlockInputBuffer(ctx->nvencoder, inSurf->input_surface);
1294  if (nv_status != NV_ENC_SUCCESS) {
1295  av_log(avctx, AV_LOG_FATAL, "Failed unlocking input buffer!\n");
1296  return AVERROR_EXTERNAL;
1297  }
1298 
1299  for (i = 0; i < ctx->max_surface_count; ++i)
1300  if (!ctx->output_surfaces[i].busy)
1301  break;
1302 
1303  if (i == ctx->max_surface_count) {
1304  inSurf->lockCount = 0;
1305  av_log(avctx, AV_LOG_FATAL, "No free output surface found!\n");
1306  return AVERROR_EXTERNAL;
1307  }
1308 
1309  ctx->output_surfaces[i].input_surface = inSurf;
1310 
1311  pic_params.inputBuffer = inSurf->input_surface;
1312  pic_params.bufferFmt = inSurf->format;
1313  pic_params.inputWidth = avctx->width;
1314  pic_params.inputHeight = avctx->height;
1315  pic_params.outputBitstream = ctx->output_surfaces[i].output_surface;
1316  pic_params.completionEvent = 0;
1317 
1318  if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
1319  if (frame->top_field_first) {
1320  pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
1321  } else {
1322  pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP;
1323  }
1324  } else {
1325  pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
1326  }
1327 
1328  pic_params.encodePicFlags = 0;
1329  pic_params.inputTimeStamp = frame->pts;
1330  pic_params.inputDuration = 0;
1331  switch (avctx->codec->id) {
1332  case AV_CODEC_ID_H264:
1333  pic_params.codecPicParams.h264PicParams.sliceMode = ctx->encode_config.encodeCodecConfig.h264Config.sliceMode;
1334  pic_params.codecPicParams.h264PicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
1335  break;
1336  case AV_CODEC_ID_H265:
1337  pic_params.codecPicParams.hevcPicParams.sliceMode = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode;
1338  pic_params.codecPicParams.hevcPicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
1339  break;
1340  default:
1341  av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
1342  return AVERROR(EINVAL);
1343  }
1344 
1345  res = timestamp_queue_enqueue(&ctx->timestamp_list, frame->pts);
1346 
1347  if (res)
1348  return res;
1349  } else {
1350  pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
1351  }
1352 
1353  nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params);
1354 
1355  if (frame && nv_status == NV_ENC_ERR_NEED_MORE_INPUT) {
1357 
1358  if (res)
1359  return res;
1360 
1361  ctx->output_surfaces[i].busy = 1;
1362  }
1363 
1364  if (nv_status != NV_ENC_SUCCESS && nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
1365  av_log(avctx, AV_LOG_ERROR, "EncodePicture failed!\n");
1366  return AVERROR_EXTERNAL;
1367  }
1368 
1369  if (nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
1370  while (ctx->output_surface_queue.count) {
1371  tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_queue);
1372  res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, tmpoutsurf);
1373 
1374  if (res)
1375  return res;
1376  }
1377 
1378  if (frame) {
1380 
1381  if (res)
1382  return res;
1383 
1384  ctx->output_surfaces[i].busy = 1;
1385  }
1386  }
1387 
1390 
1391  res = process_output_surface(avctx, pkt, tmpoutsurf);
1392 
1393  if (res)
1394  return res;
1395 
1396  tmpoutsurf->busy = 0;
1397  av_assert0(tmpoutsurf->input_surface->lockCount);
1398  tmpoutsurf->input_surface->lockCount--;
1399 
1400  *got_packet = 1;
1401  } else {
1402  *got_packet = 0;
1403  }
1404 
1405  return 0;
1406 }
1407 
1408 static const enum AVPixelFormat pix_fmts_nvenc[] = {
1413 };
1414 
1415 #define OFFSET(x) offsetof(NvencContext, x)
1416 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1417 static const AVOption options[] = {
1418  { "preset", "Set the encoding preset (one of hq, hp, bd, ll, llhq, llhp, default)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "hq" }, 0, 0, VE },
1419  { "profile", "Set the encoding profile (high, main or baseline)", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1420  { "level", "Set the encoding level restriction (auto, 1.0, 1.0b, 1.1, 1.2, ..., 4.2, 5.0, 5.1)", OFFSET(level), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1421  { "tier", "Set the encoding tier (main or high)", OFFSET(tier), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1422  { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
1423  { "2pass", "Use 2pass cbr encoding mode", OFFSET(twopass), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
1424  { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.", OFFSET(gpu), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
1425  { "delay", "Delays frame output by the given amount of frames.", OFFSET(buffer_delay), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE },
1426  { NULL }
1427 };
1428 
1429 static const AVCodecDefault nvenc_defaults[] = {
1430  { "b", "0" },
1431  { "qmin", "-1" },
1432  { "qmax", "-1" },
1433  { "qdiff", "-1" },
1434  { "qblur", "-1" },
1435  { "qcomp", "-1" },
1436  { NULL },
1437 };
1438 
1439 #if CONFIG_NVENC_ENCODER
1440 static const AVClass nvenc_class = {
1441  .class_name = "nvenc",
1442  .item_name = av_default_item_name,
1443  .option = options,
1444  .version = LIBAVUTIL_VERSION_INT,
1445 };
1446 
1447 AVCodec ff_nvenc_encoder = {
1448  .name = "nvenc",
1449  .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC h264 encoder"),
1450  .type = AVMEDIA_TYPE_VIDEO,
1451  .id = AV_CODEC_ID_H264,
1452  .priv_data_size = sizeof(NvencContext),
1454  .encode2 = nvenc_encode_frame,
1455  .close = nvenc_encode_close,
1456  .capabilities = AV_CODEC_CAP_DELAY,
1457  .priv_class = &nvenc_class,
1458  .defaults = nvenc_defaults,
1460 };
1461 #endif
1462 
1463 /* Add an alias for nvenc_h264 */
1464 #if CONFIG_NVENC_H264_ENCODER
1465 static const AVClass nvenc_h264_class = {
1466  .class_name = "nvenc_h264",
1467  .item_name = av_default_item_name,
1468  .option = options,
1469  .version = LIBAVUTIL_VERSION_INT,
1470 };
1471 
1472 AVCodec ff_nvenc_h264_encoder = {
1473  .name = "nvenc_h264",
1474  .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC h264 encoder"),
1475  .type = AVMEDIA_TYPE_VIDEO,
1476  .id = AV_CODEC_ID_H264,
1477  .priv_data_size = sizeof(NvencContext),
1479  .encode2 = nvenc_encode_frame,
1480  .close = nvenc_encode_close,
1481  .capabilities = AV_CODEC_CAP_DELAY,
1482  .priv_class = &nvenc_h264_class,
1483  .defaults = nvenc_defaults,
1485 };
1486 #endif
1487 
1488 #if CONFIG_NVENC_HEVC_ENCODER
1489 static const AVClass nvenc_hevc_class = {
1490  .class_name = "nvenc_hevc",
1491  .item_name = av_default_item_name,
1492  .option = options,
1493  .version = LIBAVUTIL_VERSION_INT,
1494 };
1495 
1496 AVCodec ff_nvenc_hevc_encoder = {
1497  .name = "nvenc_hevc",
1498  .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC hevc encoder"),
1499  .type = AVMEDIA_TYPE_VIDEO,
1500  .id = AV_CODEC_ID_H265,
1501  .priv_data_size = sizeof(NvencContext),
1503  .encode2 = nvenc_encode_frame,
1504  .close = nvenc_encode_close,
1505  .capabilities = AV_CODEC_CAP_DELAY,
1506  .priv_class = &nvenc_hevc_class,
1507  .defaults = nvenc_defaults,
1509 };
1510 #endif
#define NULL
Definition: coverity.c:32
AVClass * avclass
Definition: nvenc.c:140
const struct AVCodec * codec
Definition: avcodec.h:1511
BI type.
Definition: avutil.h:272
void * nvencoder
Definition: nvenc.c:157
static av_cold int nvenc_check_cuda(AVCodecContext *avctx)
Definition: nvenc.c:392
uint32_t pos
Definition: nvenc.c:103
uint32_t count
Definition: nvenc.c:104
int twopass
Definition: nvenc.c:164
NvencOutputSurface * surface
Definition: nvenc.c:95
This structure describes decoded (raw) audio or video data.
Definition: frame.h:171
AVOption.
Definition: opt.h:255
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
NvencData * data
Definition: nvenc.c:101
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
Definition: avcodec.h:776
#define OFFSET(x)
Definition: nvenc.c:1415
NvencDataList output_surface_queue
Definition: nvenc.c:152
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:68
NvencInputSurface * input_surfaces
Definition: nvenc.c:149
misc image utilities
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
#define LIBAVUTIL_VERSION_INT
Definition: version.h:62
memory handling functions
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
int max_b_frames
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 re...
Definition: avcodec.h:1780
NVENCSTATUS(NVENCAPI * PNVENCODEAPICREATEINSTANCE)(NV_ENCODE_API_FUNCTION_LIST *functionList)
Definition: nvenc.c:68
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:2237
int num
numerator
Definition: rational.h:44
PCUCTXDESTROY cu_ctx_destroy
Definition: nvenc.c:117
int gpu
Definition: nvenc.c:165
char * profile
Definition: nvenc.c:160
NV_ENCODE_API_FUNCTION_LIST nvenc_funcs
Definition: nvenc.c:119
NvencDynLoadFunctions nvenc_dload_funcs
Definition: nvenc.c:142
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel...
Definition: avcodec.h:1902
const char * str
Definition: nvenc.c:134
int64_t last_dts
Definition: nvenc.c:155
PCUDEVICEGETNAME cu_device_get_name
Definition: nvenc.c:113
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1722
char * level
Definition: nvenc.c:161
CUresult(CUDAAPI * PCUDEVICECOMPUTECAPABILITY)(int *major, int *minor, CUdevice dev)
Definition: nvenc.c:63
union NvencData::@75 u
static const AVOption options[]
Definition: nvenc.c:1417
CUresult
Definition: nvenc.c:53
NvencDataList timestamp_list
Definition: nvenc.c:154
static AVPacket pkt
#define FF_PROFILE_H264_MAIN
Definition: avcodec.h:3149
int profile
profile
Definition: avcodec.h:3115
AVCodec.
Definition: avcodec.h:3472
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1631
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: avcodec.h:882
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
CUresult(CUDAAPI * PCUDEVICEGET)(CUdevice *device, int ordinal)
Definition: nvenc.c:61
CUcontext cu_context
Definition: nvenc.c:146
uint8_t
#define av_cold
Definition: attributes.h:74
#define av_malloc(s)
#define CHECK_LOAD_FUNC(t, f, s)
Definition: nvenc.c:333
AVOptions.
PCUDEVICEGETCOUNT cu_device_get_count
Definition: nvenc.c:111
int max_surface_count
Definition: nvenc.c:148
Multithreading support functions.
PCUDEVICECOMPUTECAPABILITY cu_device_compute_capability
Definition: nvenc.c:114
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:3116
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:257
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1617
uint32_t size
Definition: nvenc.c:105
NV_ENC_INITIALIZE_PARAMS init_encode_params
Definition: nvenc.c:144
static AVFrame * frame
uint8_t * data
Definition: avcodec.h:1423
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
#define check_cuda_errors(f)
Definition: nvenc.c:390
NvencOutputSurface * output_surfaces
Definition: nvenc.c:150
static av_cold int nvenc_encode_close(AVCodecContext *avctx)
Definition: nvenc.c:1068
#define LOAD_FUNC(l, s)
Definition: nvenc.c:49
#define av_log(a,...)
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1469
NvencDataList output_surface_ready_queue
Definition: nvenc.c:153
enum AVCodecID id
Definition: avcodec.h:3486
static int input_string_to_uint32(AVCodecContext *avctx, const NvencValuePair *pair, const char *input, uint32_t *output)
Definition: nvenc.c:220
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int has_b_frames
Size of the frame reordering buffer in the decoder.
Definition: avcodec.h:1812
int profile
Definition: mxfenc.c:1806
static const uint16_t mask[17]
Definition: lzw.c:38
av_default_item_name
#define AVERROR(e)
Definition: error.h:43
char * tier
Definition: nvenc.c:162
int qmax
maximum quantizer
Definition: avcodec.h:2554
void * HMODULE
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:175
PCUDEVICEGET cu_device_get
Definition: nvenc.c:112
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1597
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:91
int rc_max_rate
maximum bitrate
Definition: avcodec.h:2604
simple assert() macros that are a bit more flexible than ISO C assert().
const char * name
Name of the codec implementation.
Definition: avcodec.h:3479
char * preset
Definition: nvenc.c:159
GLsizei count
Definition: opengl_enc.c:109
Libavcodec external API header.
NV_ENC_BUFFER_FORMAT format
Definition: nvenc.c:78
#define CUDAAPI
Definition: nvenc.c:42
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1429
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:2581
static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencOutputSurface *tmpoutsurf)
Definition: nvenc.c:1096
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
Definition: rational.c:35
common internal API header
int refs
number of reference frames
Definition: avcodec.h:2178
int bit_rate
the average bitrate
Definition: avcodec.h:1567
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:242
#define VE
Definition: nvenc.c:1416
int width
picture width / height.
Definition: avcodec.h:1681
void * CUcontext
Definition: nvenc.c:57
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:2216
static const NvencValuePair nvenc_h264_level_pairs[]
Definition: nvenc.c:169
CUresult(CUDAAPI * PCUDEVICEGETCOUNT)(int *count)
Definition: nvenc.c:60
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1640
static int out_surf_queue_enqueue(NvencDataList *queue, NvencOutputSurface *surface)
Definition: nvenc.c:297
CUresult(CUDAAPI * PCUDEVICEGETNAME)(char *name, int len, CUdevice dev)
Definition: nvenc.c:62
#define LoadLibrary(x)
Definition: avisynth.c:43
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:540
static av_cold int nvenc_encode_init(AVCodecContext *avctx)
Definition: nvenc.c:544
static NvencOutputSurface * out_surf_queue_dequeue(NvencDataList *queue)
Definition: nvenc.c:305
#define AV_CODEC_ID_H265
Definition: avcodec.h:325
int buffer_delay
Definition: nvenc.c:166
PCUCTXCREATE cu_ctx_create
Definition: nvenc.c:115
NV_ENC_CONFIG encode_config
Definition: nvenc.c:145
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:199
static av_cold void nvenc_unload_nvenc(AVCodecContext *avctx)
Definition: nvenc.c:519
uint32_t num
Definition: nvenc.c:135
#define FF_PROFILE_H264_HIGH_444_PREDICTIVE
Definition: avcodec.h:3157
main external API structure.
Definition: avcodec.h:1502
int qmin
minimum quantizer
Definition: avcodec.h:2547
static int timestamp_queue_enqueue(NvencDataList *queue, int64_t timestamp)
Definition: nvenc.c:315
void * buf
Definition: avisynth_c.h:553
int extradata_size
Definition: avcodec.h:1618
static av_cold int nvenc_dyload_cuda(AVCodecContext *avctx)
Definition: nvenc.c:342
Describe the class of an AVClass context structure.
Definition: log.h:67
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:2230
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:2223
static const NvencValuePair nvenc_hevc_level_pairs[]
Definition: nvenc.c:196
int(* func)(AVBPrint *dst, const char *in, const char *arg)
Definition: jacosubdec.c:67
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
Definition: utils.c:1782
static int64_t timestamp_queue_dequeue(NvencDataList *queue)
Definition: nvenc.c:323
int cbr
Definition: nvenc.c:163
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:209
int global_quality
Global quality for codecs which cannot change it per frame.
Definition: avcodec.h:1583
static av_cold int nvenc_dyload_nvenc(AVCodecContext *avctx)
Definition: nvenc.c:461
static int flags
Definition: cpu.c:47
static const AVCodecDefault nvenc_defaults[]
Definition: nvenc.c:1429
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:182
uint8_t level
Definition: svq3.c:150
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:784
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1707
preset
Definition: vf_curves.c:46
#define FF_PROFILE_H264_HIGH
Definition: avcodec.h:3151
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:63
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:79
common internal api header.
CUresult(CUDAAPI * PCUCTXDESTROY)(CUcontext ctx)
Definition: nvenc.c:66
PCUCTXPOPCURRENT cu_ctx_pop_current
Definition: nvenc.c:116
#define DL_CLOSE_FUNC(l)
Definition: nvenc.c:50
Bi-dir predicted.
Definition: avutil.h:268
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:3024
CUdevice nvenc_devices[16]
Definition: nvenc.c:121
static enum AVPixelFormat pix_fmts_nvenc[]
Definition: nvenc.c:1408
int den
denominator
Definition: rational.h:45
#define FF_PROFILE_HEVC_MAIN
Definition: avcodec.h:3194
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:636
void * priv_data
Definition: avcodec.h:1544
CUresult(CUDAAPI * PCUCTXCREATE)(CUcontext *pctx, unsigned int flags, CUdevice dev)
Definition: nvenc.c:64
CUresult(CUDAAPI * PCUINIT)(unsigned int Flags)
Definition: nvenc.c:59
#define av_free(p)
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:80
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:372
int CUdevice
Definition: nvenc.c:56
int len
NV_ENC_INPUT_PTR input_surface
Definition: nvenc.c:72
#define FF_PROFILE_H264_BASELINE
Definition: avcodec.h:3147
NvencInputSurface * input_surface
Definition: nvenc.c:86
static int nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: nvenc.c:1202
NV_ENC_OUTPUT_PTR output_surface
Definition: nvenc.c:83
int64_t timestamp
Definition: nvenc.c:94
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1422
#define av_freep(p)
#define AV_LOG_FATAL
Something went wrong and recovery is not possible.
Definition: log.h:170
static NvencData * data_queue_dequeue(NvencDataList *queue)
Definition: nvenc.c:232
static const AVCodecDefault defaults[]
Definition: dcaenc.c:954
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
Definition: imgutils.c:273
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57
AVPixelFormat
Pixel format.
Definition: pixfmt.h:61
This structure stores compressed data.
Definition: avcodec.h:1400
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
Definition: mem.c:252
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1416
CUresult(CUDAAPI * PCUCTXPOPCURRENT)(CUcontext *pctx)
Definition: nvenc.c:65
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:240
Predicted.
Definition: avutil.h:267
const char * name
Definition: opengl_enc.c:103
static int data_queue_enqueue(NvencDataList *queue, NvencData *data)
Definition: nvenc.c:252