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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  };
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;
166 } NvencContext;
167 
169  { "auto", NV_ENC_LEVEL_AUTOSELECT },
170  { "1" , NV_ENC_LEVEL_H264_1 },
171  { "1.0" , NV_ENC_LEVEL_H264_1 },
172  { "1b" , NV_ENC_LEVEL_H264_1b },
173  { "1.0b", NV_ENC_LEVEL_H264_1b },
174  { "1.1" , NV_ENC_LEVEL_H264_11 },
175  { "1.2" , NV_ENC_LEVEL_H264_12 },
176  { "1.3" , NV_ENC_LEVEL_H264_13 },
177  { "2" , NV_ENC_LEVEL_H264_2 },
178  { "2.0" , NV_ENC_LEVEL_H264_2 },
179  { "2.1" , NV_ENC_LEVEL_H264_21 },
180  { "2.2" , NV_ENC_LEVEL_H264_22 },
181  { "3" , NV_ENC_LEVEL_H264_3 },
182  { "3.0" , NV_ENC_LEVEL_H264_3 },
183  { "3.1" , NV_ENC_LEVEL_H264_31 },
184  { "3.2" , NV_ENC_LEVEL_H264_32 },
185  { "4" , NV_ENC_LEVEL_H264_4 },
186  { "4.0" , NV_ENC_LEVEL_H264_4 },
187  { "4.1" , NV_ENC_LEVEL_H264_41 },
188  { "4.2" , NV_ENC_LEVEL_H264_42 },
189  { "5" , NV_ENC_LEVEL_H264_5 },
190  { "5.0" , NV_ENC_LEVEL_H264_5 },
191  { "5.1" , NV_ENC_LEVEL_H264_51 },
192  { NULL }
193 };
194 
196  { "auto", NV_ENC_LEVEL_AUTOSELECT },
197  { "1" , NV_ENC_LEVEL_HEVC_1 },
198  { "1.0" , NV_ENC_LEVEL_HEVC_1 },
199  { "2" , NV_ENC_LEVEL_HEVC_2 },
200  { "2.0" , NV_ENC_LEVEL_HEVC_2 },
201  { "2.1" , NV_ENC_LEVEL_HEVC_21 },
202  { "3" , NV_ENC_LEVEL_HEVC_3 },
203  { "3.0" , NV_ENC_LEVEL_HEVC_3 },
204  { "3.1" , NV_ENC_LEVEL_HEVC_31 },
205  { "4" , NV_ENC_LEVEL_HEVC_4 },
206  { "4.0" , NV_ENC_LEVEL_HEVC_4 },
207  { "4.1" , NV_ENC_LEVEL_HEVC_41 },
208  { "5" , NV_ENC_LEVEL_HEVC_5 },
209  { "5.0" , NV_ENC_LEVEL_HEVC_5 },
210  { "5.1" , NV_ENC_LEVEL_HEVC_51 },
211  { "5.2" , NV_ENC_LEVEL_HEVC_52 },
212  { "6" , NV_ENC_LEVEL_HEVC_6 },
213  { "6.0" , NV_ENC_LEVEL_HEVC_6 },
214  { "6.1" , NV_ENC_LEVEL_HEVC_61 },
215  { "6.2" , NV_ENC_LEVEL_HEVC_62 },
216  { NULL }
217 };
218 
219 static int input_string_to_uint32(AVCodecContext *avctx, const NvencValuePair *pair, const char *input, uint32_t *output)
220 {
221  for (; pair->str; ++pair) {
222  if (!strcmp(input, pair->str)) {
223  *output = pair->num;
224  return 0;
225  }
226  }
227 
228  return AVERROR(EINVAL);
229 }
230 
232 {
233  uint32_t mask;
234  uint32_t read_pos;
235 
236  av_assert0(queue);
237  av_assert0(queue->size);
238  av_assert0(queue->data);
239 
240  if (!queue->count)
241  return NULL;
242 
243  /* Size always is a multiple of two */
244  mask = queue->size - 1;
245  read_pos = (queue->pos - queue->count) & mask;
246  queue->count--;
247 
248  return &queue->data[read_pos];
249 }
250 
252 {
253  NvencDataList new_queue;
254  NvencData* tmp_data;
255  uint32_t mask;
256 
257  if (!queue->size) {
258  /* size always has to be a multiple of two */
259  queue->size = 4;
260  queue->pos = 0;
261  queue->count = 0;
262 
263  queue->data = av_malloc(queue->size * sizeof(*(queue->data)));
264 
265  if (!queue->data) {
266  queue->size = 0;
267  return AVERROR(ENOMEM);
268  }
269  }
270 
271  if (queue->count == queue->size) {
272  new_queue.size = queue->size << 1;
273  new_queue.pos = 0;
274  new_queue.count = 0;
275  new_queue.data = av_malloc(new_queue.size * sizeof(*(queue->data)));
276 
277  if (!new_queue.data)
278  return AVERROR(ENOMEM);
279 
280  while (tmp_data = data_queue_dequeue(queue))
281  data_queue_enqueue(&new_queue, tmp_data);
282 
283  av_free(queue->data);
284  *queue = new_queue;
285  }
286 
287  mask = queue->size - 1;
288 
289  queue->data[queue->pos] = *data;
290  queue->pos = (queue->pos + 1) & mask;
291  queue->count++;
292 
293  return 0;
294 }
295 
297 {
298  NvencData data;
299  data.surface = surface;
300 
301  return data_queue_enqueue(queue, &data);
302 }
303 
305 {
306  NvencData* res = data_queue_dequeue(queue);
307 
308  if (!res)
309  return NULL;
310 
311  return res->surface;
312 }
313 
314 static int timestamp_queue_enqueue(NvencDataList* queue, int64_t timestamp)
315 {
316  NvencData data;
317  data.timestamp = timestamp;
318 
319  return data_queue_enqueue(queue, &data);
320 }
321 
323 {
324  NvencData* res = data_queue_dequeue(queue);
325 
326  if (!res)
327  return AV_NOPTS_VALUE;
328 
329  return res->timestamp;
330 }
331 
332 #define CHECK_LOAD_FUNC(t, f, s) \
333 do { \
334  (f) = (t)LOAD_FUNC(dl_fn->cuda_lib, s); \
335  if (!(f)) { \
336  av_log(avctx, AV_LOG_FATAL, "Failed loading %s from CUDA library\n", s); \
337  goto error; \
338  } \
339 } while (0)
340 
342 {
343  NvencContext *ctx = avctx->priv_data;
345 
346  if (dl_fn->cuda_lib)
347  return 1;
348 
349 #if defined(_WIN32)
350  dl_fn->cuda_lib = LoadLibrary(TEXT("nvcuda.dll"));
351 #else
352  dl_fn->cuda_lib = dlopen("libcuda.so", RTLD_LAZY);
353 #endif
354 
355  if (!dl_fn->cuda_lib) {
356  av_log(avctx, AV_LOG_FATAL, "Failed loading CUDA library\n");
357  goto error;
358  }
359 
360  CHECK_LOAD_FUNC(PCUINIT, dl_fn->cu_init, "cuInit");
361  CHECK_LOAD_FUNC(PCUDEVICEGETCOUNT, dl_fn->cu_device_get_count, "cuDeviceGetCount");
362  CHECK_LOAD_FUNC(PCUDEVICEGET, dl_fn->cu_device_get, "cuDeviceGet");
363  CHECK_LOAD_FUNC(PCUDEVICEGETNAME, dl_fn->cu_device_get_name, "cuDeviceGetName");
364  CHECK_LOAD_FUNC(PCUDEVICECOMPUTECAPABILITY, dl_fn->cu_device_compute_capability, "cuDeviceComputeCapability");
365  CHECK_LOAD_FUNC(PCUCTXCREATE, dl_fn->cu_ctx_create, "cuCtxCreate_v2");
366  CHECK_LOAD_FUNC(PCUCTXPOPCURRENT, dl_fn->cu_ctx_pop_current, "cuCtxPopCurrent_v2");
367  CHECK_LOAD_FUNC(PCUCTXDESTROY, dl_fn->cu_ctx_destroy, "cuCtxDestroy_v2");
368 
369  return 1;
370 
371 error:
372 
373  if (dl_fn->cuda_lib)
374  DL_CLOSE_FUNC(dl_fn->cuda_lib);
375 
376  dl_fn->cuda_lib = NULL;
377 
378  return 0;
379 }
380 
381 static av_cold int check_cuda_errors(AVCodecContext *avctx, CUresult err, const char *func)
382 {
383  if (err != CUDA_SUCCESS) {
384  av_log(avctx, AV_LOG_FATAL, ">> %s - failed with error code 0x%x\n", func, err);
385  return 0;
386  }
387  return 1;
388 }
389 #define check_cuda_errors(f) if (!check_cuda_errors(avctx, f, #f)) goto error
390 
392 {
393  int device_count = 0;
394  CUdevice cu_device = 0;
395  char gpu_name[128];
396  int smminor = 0, smmajor = 0;
397  int i, smver, target_smver;
398 
399  NvencContext *ctx = avctx->priv_data;
401 
402  switch (avctx->codec->id) {
403  case AV_CODEC_ID_H264:
404  target_smver = 0x30;
405  break;
406  case AV_CODEC_ID_H265:
407  target_smver = 0x52;
408  break;
409  default:
410  av_log(avctx, AV_LOG_FATAL, "nvenc: Unknown codec name\n");
411  goto error;
412  }
413 
414  if (!nvenc_dyload_cuda(avctx))
415  return 0;
416 
417  if (dl_fn->nvenc_device_count > 0)
418  return 1;
419 
420  check_cuda_errors(dl_fn->cu_init(0));
421 
422  check_cuda_errors(dl_fn->cu_device_get_count(&device_count));
423 
424  if (!device_count) {
425  av_log(avctx, AV_LOG_FATAL, "No CUDA capable devices found\n");
426  goto error;
427  }
428 
429  av_log(avctx, AV_LOG_VERBOSE, "%d CUDA capable devices found\n", device_count);
430 
431  dl_fn->nvenc_device_count = 0;
432 
433  for (i = 0; i < device_count; ++i) {
434  check_cuda_errors(dl_fn->cu_device_get(&cu_device, i));
435  check_cuda_errors(dl_fn->cu_device_get_name(gpu_name, sizeof(gpu_name), cu_device));
436  check_cuda_errors(dl_fn->cu_device_compute_capability(&smmajor, &smminor, cu_device));
437 
438  smver = (smmajor << 4) | smminor;
439 
440  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");
441 
442  if (smver >= target_smver)
443  dl_fn->nvenc_devices[dl_fn->nvenc_device_count++] = cu_device;
444  }
445 
446  if (!dl_fn->nvenc_device_count) {
447  av_log(avctx, AV_LOG_FATAL, "No NVENC capable devices found\n");
448  goto error;
449  }
450 
451  return 1;
452 
453 error:
454 
455  dl_fn->nvenc_device_count = 0;
456 
457  return 0;
458 }
459 
461 {
462  PNVENCODEAPICREATEINSTANCE nvEncodeAPICreateInstance = 0;
463  NVENCSTATUS nvstatus;
464 
465  NvencContext *ctx = avctx->priv_data;
467 
468  if (!nvenc_check_cuda(avctx))
469  return 0;
470 
471  if (dl_fn->nvenc_lib)
472  return 1;
473 
474 #if defined(_WIN32)
475  if (sizeof(void*) == 8) {
476  dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI64.dll"));
477  } else {
478  dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI.dll"));
479  }
480 #else
481  dl_fn->nvenc_lib = dlopen("libnvidia-encode.so.1", RTLD_LAZY);
482 #endif
483 
484  if (!dl_fn->nvenc_lib) {
485  av_log(avctx, AV_LOG_FATAL, "Failed loading the nvenc library\n");
486  goto error;
487  }
488 
489  nvEncodeAPICreateInstance = (PNVENCODEAPICREATEINSTANCE)LOAD_FUNC(dl_fn->nvenc_lib, "NvEncodeAPICreateInstance");
490 
491  if (!nvEncodeAPICreateInstance) {
492  av_log(avctx, AV_LOG_FATAL, "Failed to load nvenc entrypoint\n");
493  goto error;
494  }
495 
496  dl_fn->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER;
497 
498  nvstatus = nvEncodeAPICreateInstance(&dl_fn->nvenc_funcs);
499 
500  if (nvstatus != NV_ENC_SUCCESS) {
501  av_log(avctx, AV_LOG_FATAL, "Failed to create nvenc instance\n");
502  goto error;
503  }
504 
505  av_log(avctx, AV_LOG_VERBOSE, "Nvenc initialized successfully\n");
506 
507  return 1;
508 
509 error:
510  if (dl_fn->nvenc_lib)
511  DL_CLOSE_FUNC(dl_fn->nvenc_lib);
512 
513  dl_fn->nvenc_lib = NULL;
514 
515  return 0;
516 }
517 
519 {
520  NvencContext *ctx = avctx->priv_data;
522 
523  DL_CLOSE_FUNC(dl_fn->nvenc_lib);
524  dl_fn->nvenc_lib = NULL;
525 
526  dl_fn->nvenc_device_count = 0;
527 
528  DL_CLOSE_FUNC(dl_fn->cuda_lib);
529  dl_fn->cuda_lib = NULL;
530 
531  dl_fn->cu_init = NULL;
532  dl_fn->cu_device_get_count = NULL;
533  dl_fn->cu_device_get = NULL;
534  dl_fn->cu_device_get_name = NULL;
536  dl_fn->cu_ctx_create = NULL;
537  dl_fn->cu_ctx_pop_current = NULL;
538  dl_fn->cu_ctx_destroy = NULL;
539 
540  av_log(avctx, AV_LOG_VERBOSE, "Nvenc unloaded\n");
541 }
542 
544 {
545  NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS encode_session_params = { 0 };
546  NV_ENC_PRESET_CONFIG preset_config = { 0 };
547  CUcontext cu_context_curr;
548  CUresult cu_res;
549  GUID encoder_preset = NV_ENC_PRESET_HQ_GUID;
550  GUID codec;
551  NVENCSTATUS nv_status = NV_ENC_SUCCESS;
552  int surfaceCount = 0;
553  int i, num_mbs;
554  int isLL = 0;
555  int res = 0;
556  int dw, dh;
557 
558  NvencContext *ctx = avctx->priv_data;
560  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
561 
562  if (!nvenc_dyload_nvenc(avctx))
563  return AVERROR_EXTERNAL;
564 
565  avctx->coded_frame = av_frame_alloc();
566  if (!avctx->coded_frame) {
567  res = AVERROR(ENOMEM);
568  goto error;
569  }
570 
571  ctx->last_dts = AV_NOPTS_VALUE;
572 
573  ctx->encode_config.version = NV_ENC_CONFIG_VER;
574  ctx->init_encode_params.version = NV_ENC_INITIALIZE_PARAMS_VER;
575  preset_config.version = NV_ENC_PRESET_CONFIG_VER;
576  preset_config.presetCfg.version = NV_ENC_CONFIG_VER;
577  encode_session_params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER;
578  encode_session_params.apiVersion = NVENCAPI_VERSION;
579 
580  if (ctx->gpu >= dl_fn->nvenc_device_count) {
581  av_log(avctx, AV_LOG_FATAL, "Requested GPU %d, but only %d GPUs are available!\n", ctx->gpu, dl_fn->nvenc_device_count);
582  res = AVERROR(EINVAL);
583  goto error;
584  }
585 
586  ctx->cu_context = NULL;
587  cu_res = dl_fn->cu_ctx_create(&ctx->cu_context, 0, dl_fn->nvenc_devices[ctx->gpu]);
588 
589  if (cu_res != CUDA_SUCCESS) {
590  av_log(avctx, AV_LOG_FATAL, "Failed creating CUDA context for NVENC: 0x%x\n", (int)cu_res);
591  res = AVERROR_EXTERNAL;
592  goto error;
593  }
594 
595  cu_res = dl_fn->cu_ctx_pop_current(&cu_context_curr);
596 
597  if (cu_res != CUDA_SUCCESS) {
598  av_log(avctx, AV_LOG_FATAL, "Failed popping CUDA context: 0x%x\n", (int)cu_res);
599  res = AVERROR_EXTERNAL;
600  goto error;
601  }
602 
603  encode_session_params.device = ctx->cu_context;
604  encode_session_params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
605 
606  nv_status = p_nvenc->nvEncOpenEncodeSessionEx(&encode_session_params, &ctx->nvencoder);
607  if (nv_status != NV_ENC_SUCCESS) {
608  ctx->nvencoder = NULL;
609  av_log(avctx, AV_LOG_FATAL, "OpenEncodeSessionEx failed: 0x%x - invalid license key?\n", (int)nv_status);
610  res = AVERROR_EXTERNAL;
611  goto error;
612  }
613 
614  if (ctx->preset) {
615  if (!strcmp(ctx->preset, "hp")) {
616  encoder_preset = NV_ENC_PRESET_HP_GUID;
617  } else if (!strcmp(ctx->preset, "hq")) {
618  encoder_preset = NV_ENC_PRESET_HQ_GUID;
619  } else if (!strcmp(ctx->preset, "bd")) {
620  encoder_preset = NV_ENC_PRESET_BD_GUID;
621  } else if (!strcmp(ctx->preset, "ll")) {
622  encoder_preset = NV_ENC_PRESET_LOW_LATENCY_DEFAULT_GUID;
623  isLL = 1;
624  } else if (!strcmp(ctx->preset, "llhp")) {
625  encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HP_GUID;
626  isLL = 1;
627  } else if (!strcmp(ctx->preset, "llhq")) {
628  encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HQ_GUID;
629  isLL = 1;
630  } else if (!strcmp(ctx->preset, "default")) {
631  encoder_preset = NV_ENC_PRESET_DEFAULT_GUID;
632  } else {
633  av_log(avctx, AV_LOG_FATAL, "Preset \"%s\" is unknown! Supported presets: hp, hq, bd, ll, llhp, llhq, default\n", ctx->preset);
634  res = AVERROR(EINVAL);
635  goto error;
636  }
637  }
638 
639  switch (avctx->codec->id) {
640  case AV_CODEC_ID_H264:
641  codec = NV_ENC_CODEC_H264_GUID;
642  break;
643  case AV_CODEC_ID_H265:
644  codec = NV_ENC_CODEC_HEVC_GUID;
645  break;
646  default:
647  av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
648  res = AVERROR(EINVAL);
649  goto error;
650  }
651 
652  nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder, codec, encoder_preset, &preset_config);
653  if (nv_status != NV_ENC_SUCCESS) {
654  av_log(avctx, AV_LOG_FATAL, "GetEncodePresetConfig failed: 0x%x\n", (int)nv_status);
655  res = AVERROR_EXTERNAL;
656  goto error;
657  }
658 
659  ctx->init_encode_params.encodeGUID = codec;
660  ctx->init_encode_params.encodeHeight = avctx->height;
661  ctx->init_encode_params.encodeWidth = avctx->width;
662 
663  if (avctx->sample_aspect_ratio.num && avctx->sample_aspect_ratio.den &&
664  (avctx->sample_aspect_ratio.num != 1 || avctx->sample_aspect_ratio.num != 1)) {
665  av_reduce(&dw, &dh,
666  avctx->width * avctx->sample_aspect_ratio.num,
667  avctx->height * avctx->sample_aspect_ratio.den,
668  1024 * 1024);
669  ctx->init_encode_params.darHeight = dh;
670  ctx->init_encode_params.darWidth = dw;
671  } else {
672  ctx->init_encode_params.darHeight = avctx->height;
673  ctx->init_encode_params.darWidth = avctx->width;
674  }
675 
676  // De-compensate for hardware, dubiously, trying to compensate for
677  // playback at 704 pixel width.
678  if (avctx->width == 720 &&
679  (avctx->height == 480 || avctx->height == 576)) {
680  av_reduce(&dw, &dh,
681  ctx->init_encode_params.darWidth * 44,
682  ctx->init_encode_params.darHeight * 45,
683  1024 * 1024);
684  ctx->init_encode_params.darHeight = dh;
685  ctx->init_encode_params.darWidth = dw;
686  }
687 
688  ctx->init_encode_params.frameRateNum = avctx->time_base.den;
689  ctx->init_encode_params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame;
690 
691  num_mbs = ((avctx->width + 15) >> 4) * ((avctx->height + 15) >> 4);
692  ctx->max_surface_count = (num_mbs >= 8160) ? 32 : 48;
693 
694  ctx->init_encode_params.enableEncodeAsync = 0;
695  ctx->init_encode_params.enablePTD = 1;
696 
697  ctx->init_encode_params.presetGUID = encoder_preset;
698 
699  ctx->init_encode_params.encodeConfig = &ctx->encode_config;
700  memcpy(&ctx->encode_config, &preset_config.presetCfg, sizeof(ctx->encode_config));
701  ctx->encode_config.version = NV_ENC_CONFIG_VER;
702 
703  if (avctx->refs >= 0) {
704  /* 0 means "let the hardware decide" */
705  switch (avctx->codec->id) {
706  case AV_CODEC_ID_H264:
707  ctx->encode_config.encodeCodecConfig.h264Config.maxNumRefFrames = avctx->refs;
708  break;
709  case AV_CODEC_ID_H265:
710  ctx->encode_config.encodeCodecConfig.hevcConfig.maxNumRefFramesInDPB = avctx->refs;
711  break;
712  /* Earlier switch/case will return if unknown codec is passed. */
713  }
714  }
715 
716  if (avctx->gop_size > 0) {
717  if (avctx->max_b_frames >= 0) {
718  /* 0 is intra-only, 1 is I/P only, 2 is one B Frame, 3 two B frames, and so on. */
719  ctx->encode_config.frameIntervalP = avctx->max_b_frames + 1;
720  }
721 
722  ctx->encode_config.gopLength = avctx->gop_size;
723  switch (avctx->codec->id) {
724  case AV_CODEC_ID_H264:
725  ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = avctx->gop_size;
726  break;
727  case AV_CODEC_ID_H265:
728  ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = avctx->gop_size;
729  break;
730  /* Earlier switch/case will return if unknown codec is passed. */
731  }
732  } else if (avctx->gop_size == 0) {
733  ctx->encode_config.frameIntervalP = 0;
734  ctx->encode_config.gopLength = 1;
735  switch (avctx->codec->id) {
736  case AV_CODEC_ID_H264:
737  ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = 1;
738  break;
739  case AV_CODEC_ID_H265:
740  ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = 1;
741  break;
742  /* Earlier switch/case will return if unknown codec is passed. */
743  }
744  }
745 
746  /* when there're b frames, set dts offset */
747  if (ctx->encode_config.frameIntervalP >= 2)
748  ctx->last_dts = -2;
749 
750  if (avctx->bit_rate > 0)
751  ctx->encode_config.rcParams.averageBitRate = avctx->bit_rate;
752 
753  if (avctx->rc_max_rate > 0)
754  ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate;
755 
756  if (ctx->cbr) {
757  if (!ctx->twopass) {
758  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
759  } else if (ctx->twopass == 1 || isLL) {
760  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_QUALITY;
761 
762  if (avctx->codec->id == AV_CODEC_ID_H264) {
763  ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE;
764  ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE;
765  }
766 
767  if (!isLL)
768  av_log(avctx, AV_LOG_WARNING, "Twopass mode is only known to work with low latency (ll, llhq, llhp) presets.\n");
769  } else {
770  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
771  }
772  } else if (avctx->global_quality > 0) {
773  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
774  ctx->encode_config.rcParams.constQP.qpInterB = avctx->global_quality;
775  ctx->encode_config.rcParams.constQP.qpInterP = avctx->global_quality;
776  ctx->encode_config.rcParams.constQP.qpIntra = avctx->global_quality;
777 
778  avctx->qmin = -1;
779  avctx->qmax = -1;
780  } else if (avctx->qmin >= 0 && avctx->qmax >= 0) {
781  ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR;
782 
783  ctx->encode_config.rcParams.enableMinQP = 1;
784  ctx->encode_config.rcParams.enableMaxQP = 1;
785 
786  ctx->encode_config.rcParams.minQP.qpInterB = avctx->qmin;
787  ctx->encode_config.rcParams.minQP.qpInterP = avctx->qmin;
788  ctx->encode_config.rcParams.minQP.qpIntra = avctx->qmin;
789 
790  ctx->encode_config.rcParams.maxQP.qpInterB = avctx->qmax;
791  ctx->encode_config.rcParams.maxQP.qpInterP = avctx->qmax;
792  ctx->encode_config.rcParams.maxQP.qpIntra = avctx->qmax;
793  }
794 
795  if (avctx->rc_buffer_size > 0)
796  ctx->encode_config.rcParams.vbvBufferSize = avctx->rc_buffer_size;
797 
798  if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
799  ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD;
800  } else {
801  ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME;
802  }
803 
804  switch (avctx->codec->id) {
805  case AV_CODEC_ID_H264:
806  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourDescriptionPresentFlag = 1;
807  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoSignalTypePresentFlag = 1;
808 
809  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourMatrix = avctx->colorspace;
810  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourPrimaries = avctx->color_primaries;
811  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.transferCharacteristics = avctx->color_trc;
812 
813  ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFullRangeFlag = avctx->color_range == AVCOL_RANGE_JPEG;
814 
815  ctx->encode_config.encodeCodecConfig.h264Config.disableSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
816  ctx->encode_config.encodeCodecConfig.h264Config.repeatSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
817 
818  if (!ctx->profile) {
819  switch (avctx->profile) {
821  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
822  break;
824  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
825  break;
827  case FF_PROFILE_UNKNOWN:
828  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
829  break;
830  default:
831  av_log(avctx, AV_LOG_WARNING, "Unsupported profile requested, falling back to high\n");
832  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
833  break;
834  }
835  } else {
836  if (!strcmp(ctx->profile, "high")) {
837  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
838  avctx->profile = FF_PROFILE_H264_HIGH;
839  } else if (!strcmp(ctx->profile, "main")) {
840  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
841  avctx->profile = FF_PROFILE_H264_MAIN;
842  } else if (!strcmp(ctx->profile, "baseline")) {
843  ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
845  } else {
846  av_log(avctx, AV_LOG_FATAL, "Profile \"%s\" is unknown! Supported profiles: high, main, baseline\n", ctx->profile);
847  res = AVERROR(EINVAL);
848  goto error;
849  }
850  }
851 
852  if (ctx->level) {
853  res = input_string_to_uint32(avctx, nvenc_h264_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.h264Config.level);
854 
855  if (res) {
856  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);
857  goto error;
858  }
859  } else {
860  ctx->encode_config.encodeCodecConfig.h264Config.level = NV_ENC_LEVEL_AUTOSELECT;
861  }
862 
863  break;
864  case AV_CODEC_ID_H265:
865  ctx->encode_config.encodeCodecConfig.hevcConfig.disableSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
866  ctx->encode_config.encodeCodecConfig.hevcConfig.repeatSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
867 
868  /* No other profile is supported in the current SDK version 5 */
869  ctx->encode_config.profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID;
870  avctx->profile = FF_PROFILE_HEVC_MAIN;
871 
872  if (ctx->level) {
873  res = input_string_to_uint32(avctx, nvenc_hevc_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.hevcConfig.level);
874 
875  if (res) {
876  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);
877  goto error;
878  }
879  } else {
880  ctx->encode_config.encodeCodecConfig.hevcConfig.level = NV_ENC_LEVEL_AUTOSELECT;
881  }
882 
883  if (ctx->tier) {
884  if (!strcmp(ctx->tier, "main")) {
885  ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_MAIN;
886  } else if (!strcmp(ctx->tier, "high")) {
887  ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_HIGH;
888  } else {
889  av_log(avctx, AV_LOG_FATAL, "Tier \"%s\" is unknown! Supported tiers: main, high\n", ctx->tier);
890  res = AVERROR(EINVAL);
891  goto error;
892  }
893  }
894 
895  break;
896  /* Earlier switch/case will return if unknown codec is passed. */
897  }
898 
899  nv_status = p_nvenc->nvEncInitializeEncoder(ctx->nvencoder, &ctx->init_encode_params);
900  if (nv_status != NV_ENC_SUCCESS) {
901  av_log(avctx, AV_LOG_FATAL, "InitializeEncoder failed: 0x%x\n", (int)nv_status);
902  res = AVERROR_EXTERNAL;
903  goto error;
904  }
905 
906  ctx->input_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->input_surfaces));
907 
908  if (!ctx->input_surfaces) {
909  res = AVERROR(ENOMEM);
910  goto error;
911  }
912 
913  ctx->output_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->output_surfaces));
914 
915  if (!ctx->output_surfaces) {
916  res = AVERROR(ENOMEM);
917  goto error;
918  }
919 
920  for (surfaceCount = 0; surfaceCount < ctx->max_surface_count; ++surfaceCount) {
921  NV_ENC_CREATE_INPUT_BUFFER allocSurf = { 0 };
922  NV_ENC_CREATE_BITSTREAM_BUFFER allocOut = { 0 };
923  allocSurf.version = NV_ENC_CREATE_INPUT_BUFFER_VER;
924  allocOut.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
925 
926  allocSurf.width = (avctx->width + 31) & ~31;
927  allocSurf.height = (avctx->height + 31) & ~31;
928 
929  allocSurf.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
930 
931  switch (avctx->pix_fmt) {
932  case AV_PIX_FMT_YUV420P:
933  allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YV12_PL;
934  break;
935 
936  case AV_PIX_FMT_NV12:
937  allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12_PL;
938  break;
939 
940  case AV_PIX_FMT_YUV444P:
941  allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YUV444_PL;
942  break;
943 
944  default:
945  av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format\n");
946  res = AVERROR(EINVAL);
947  goto error;
948  }
949 
950  nv_status = p_nvenc->nvEncCreateInputBuffer(ctx->nvencoder, &allocSurf);
951  if (nv_status != NV_ENC_SUCCESS) {
952  av_log(avctx, AV_LOG_FATAL, "CreateInputBuffer failed\n");
953  res = AVERROR_EXTERNAL;
954  goto error;
955  }
956 
957  ctx->input_surfaces[surfaceCount].lockCount = 0;
958  ctx->input_surfaces[surfaceCount].input_surface = allocSurf.inputBuffer;
959  ctx->input_surfaces[surfaceCount].format = allocSurf.bufferFmt;
960  ctx->input_surfaces[surfaceCount].width = allocSurf.width;
961  ctx->input_surfaces[surfaceCount].height = allocSurf.height;
962 
963  /* 1MB is large enough to hold most output frames. NVENC increases this automaticaly if it's not enough. */
964  allocOut.size = 1024 * 1024;
965 
966  allocOut.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
967 
968  nv_status = p_nvenc->nvEncCreateBitstreamBuffer(ctx->nvencoder, &allocOut);
969  if (nv_status != NV_ENC_SUCCESS) {
970  av_log(avctx, AV_LOG_FATAL, "CreateBitstreamBuffer failed\n");
971  ctx->output_surfaces[surfaceCount++].output_surface = NULL;
972  res = AVERROR_EXTERNAL;
973  goto error;
974  }
975 
976  ctx->output_surfaces[surfaceCount].output_surface = allocOut.bitstreamBuffer;
977  ctx->output_surfaces[surfaceCount].size = allocOut.size;
978  ctx->output_surfaces[surfaceCount].busy = 0;
979  }
980 
981  if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
982  uint32_t outSize = 0;
983  char tmpHeader[256];
984  NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = { 0 };
985  payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER;
986 
987  payload.spsppsBuffer = tmpHeader;
988  payload.inBufferSize = sizeof(tmpHeader);
989  payload.outSPSPPSPayloadSize = &outSize;
990 
991  nv_status = p_nvenc->nvEncGetSequenceParams(ctx->nvencoder, &payload);
992  if (nv_status != NV_ENC_SUCCESS) {
993  av_log(avctx, AV_LOG_FATAL, "GetSequenceParams failed\n");
994  goto error;
995  }
996 
997  avctx->extradata_size = outSize;
999 
1000  if (!avctx->extradata) {
1001  res = AVERROR(ENOMEM);
1002  goto error;
1003  }
1004 
1005  memcpy(avctx->extradata, tmpHeader, outSize);
1006  }
1007 
1008  if (ctx->encode_config.frameIntervalP > 1)
1009  avctx->has_b_frames = 2;
1010 
1011  if (ctx->encode_config.rcParams.averageBitRate > 0)
1012  avctx->bit_rate = ctx->encode_config.rcParams.averageBitRate;
1013 
1014  return 0;
1015 
1016 error:
1017 
1018  for (i = 0; i < surfaceCount; ++i) {
1019  p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
1020  if (ctx->output_surfaces[i].output_surface)
1021  p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
1022  }
1023 
1024  if (ctx->nvencoder)
1025  p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
1026 
1027  if (ctx->cu_context)
1028  dl_fn->cu_ctx_destroy(ctx->cu_context);
1029 
1030  av_frame_free(&avctx->coded_frame);
1031 
1032  nvenc_unload_nvenc(avctx);
1033 
1034  ctx->nvencoder = NULL;
1035  ctx->cu_context = NULL;
1036 
1037  return res;
1038 }
1039 
1041 {
1042  NvencContext *ctx = avctx->priv_data;
1044  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1045  int i;
1046 
1047  av_freep(&ctx->timestamp_list.data);
1050 
1051  for (i = 0; i < ctx->max_surface_count; ++i) {
1052  p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
1053  p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
1054  }
1055  ctx->max_surface_count = 0;
1056 
1057  p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
1058  ctx->nvencoder = NULL;
1059 
1060  dl_fn->cu_ctx_destroy(ctx->cu_context);
1061  ctx->cu_context = NULL;
1062 
1063  nvenc_unload_nvenc(avctx);
1064 
1065  av_frame_free(&avctx->coded_frame);
1066 
1067  return 0;
1068 }
1069 
1070 static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, AVFrame *coded_frame, NvencOutputSurface *tmpoutsurf)
1071 {
1072  NvencContext *ctx = avctx->priv_data;
1074  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1075 
1076  uint32_t slice_mode_data;
1077  uint32_t *slice_offsets;
1078  NV_ENC_LOCK_BITSTREAM lock_params = { 0 };
1079  NVENCSTATUS nv_status;
1080  int res = 0;
1081 
1082  switch (avctx->codec->id) {
1083  case AV_CODEC_ID_H264:
1084  slice_mode_data = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
1085  break;
1086  case AV_CODEC_ID_H265:
1087  slice_mode_data = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
1088  break;
1089  default:
1090  av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
1091  res = AVERROR(EINVAL);
1092  goto error;
1093  }
1094  slice_offsets = av_mallocz(slice_mode_data * sizeof(*slice_offsets));
1095 
1096  if (!slice_offsets)
1097  return AVERROR(ENOMEM);
1098 
1099  lock_params.version = NV_ENC_LOCK_BITSTREAM_VER;
1100 
1101  lock_params.doNotWait = 0;
1102  lock_params.outputBitstream = tmpoutsurf->output_surface;
1103  lock_params.sliceOffsets = slice_offsets;
1104 
1105  nv_status = p_nvenc->nvEncLockBitstream(ctx->nvencoder, &lock_params);
1106  if (nv_status != NV_ENC_SUCCESS) {
1107  av_log(avctx, AV_LOG_ERROR, "Failed locking bitstream buffer\n");
1108  res = AVERROR_EXTERNAL;
1109  goto error;
1110  }
1111 
1112  if (res = ff_alloc_packet2(avctx, pkt, lock_params.bitstreamSizeInBytes)) {
1113  p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
1114  goto error;
1115  }
1116 
1117  memcpy(pkt->data, lock_params.bitstreamBufferPtr, lock_params.bitstreamSizeInBytes);
1118 
1119  nv_status = p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
1120  if (nv_status != NV_ENC_SUCCESS)
1121  av_log(avctx, AV_LOG_ERROR, "Failed unlocking bitstream buffer, expect the gates of mordor to open\n");
1122 
1123  switch (lock_params.pictureType) {
1124  case NV_ENC_PIC_TYPE_IDR:
1125  pkt->flags |= AV_PKT_FLAG_KEY;
1126  case NV_ENC_PIC_TYPE_I:
1128  break;
1129  case NV_ENC_PIC_TYPE_P:
1131  break;
1132  case NV_ENC_PIC_TYPE_B:
1134  break;
1135  case NV_ENC_PIC_TYPE_BI:
1137  break;
1138  default:
1139  av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered, expect the output to be broken.\n");
1140  av_log(avctx, AV_LOG_ERROR, "Please report this error and include as much information on how to reproduce it as possible.\n");
1141  res = AVERROR_EXTERNAL;
1142  goto error;
1143  }
1144 
1145  pkt->pts = lock_params.outputTimeStamp;
1147 
1148  /* when there're b frame(s), set dts offset */
1149  if (ctx->encode_config.frameIntervalP >= 2)
1150  pkt->dts -= 1;
1151 
1152  if (pkt->dts > pkt->pts)
1153  pkt->dts = pkt->pts;
1154 
1155  if (ctx->last_dts != AV_NOPTS_VALUE && pkt->dts <= ctx->last_dts)
1156  pkt->dts = ctx->last_dts + 1;
1157 
1158  ctx->last_dts = pkt->dts;
1159 
1160  av_free(slice_offsets);
1161 
1162  return 0;
1163 
1164 error:
1165 
1166  av_free(slice_offsets);
1168 
1169  return res;
1170 }
1171 
1173  const AVFrame *frame, int *got_packet)
1174 {
1175  NVENCSTATUS nv_status;
1176  NvencOutputSurface *tmpoutsurf;
1177  int res, i = 0;
1178 
1179  NvencContext *ctx = avctx->priv_data;
1181  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1182 
1183  NV_ENC_PIC_PARAMS pic_params = { 0 };
1184  pic_params.version = NV_ENC_PIC_PARAMS_VER;
1185 
1186  if (frame) {
1187  NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 };
1188  NvencInputSurface *inSurf = NULL;
1189 
1190  for (i = 0; i < ctx->max_surface_count; ++i) {
1191  if (!ctx->input_surfaces[i].lockCount) {
1192  inSurf = &ctx->input_surfaces[i];
1193  break;
1194  }
1195  }
1196 
1197  av_assert0(inSurf);
1198 
1199  inSurf->lockCount = 1;
1200 
1201  lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
1202  lockBufferParams.inputBuffer = inSurf->input_surface;
1203 
1204  nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams);
1205  if (nv_status != NV_ENC_SUCCESS) {
1206  av_log(avctx, AV_LOG_ERROR, "Failed locking nvenc input buffer\n");
1207  return 0;
1208  }
1209 
1210  if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
1211  uint8_t *buf = lockBufferParams.bufferDataPtr;
1212 
1213  av_image_copy_plane(buf, lockBufferParams.pitch,
1214  frame->data[0], frame->linesize[0],
1215  avctx->width, avctx->height);
1216 
1217  buf += inSurf->height * lockBufferParams.pitch;
1218 
1219  av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
1220  frame->data[2], frame->linesize[2],
1221  avctx->width >> 1, avctx->height >> 1);
1222 
1223  buf += (inSurf->height * lockBufferParams.pitch) >> 2;
1224 
1225  av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
1226  frame->data[1], frame->linesize[1],
1227  avctx->width >> 1, avctx->height >> 1);
1228  } else if (avctx->pix_fmt == AV_PIX_FMT_NV12) {
1229  uint8_t *buf = lockBufferParams.bufferDataPtr;
1230 
1231  av_image_copy_plane(buf, lockBufferParams.pitch,
1232  frame->data[0], frame->linesize[0],
1233  avctx->width, avctx->height);
1234 
1235  buf += inSurf->height * lockBufferParams.pitch;
1236 
1237  av_image_copy_plane(buf, lockBufferParams.pitch,
1238  frame->data[1], frame->linesize[1],
1239  avctx->width, avctx->height >> 1);
1240  } else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P) {
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,
1250  frame->data[1], frame->linesize[1],
1251  avctx->width, avctx->height);
1252 
1253  buf += inSurf->height * lockBufferParams.pitch;
1254 
1255  av_image_copy_plane(buf, lockBufferParams.pitch,
1256  frame->data[2], frame->linesize[2],
1257  avctx->width, avctx->height);
1258  } else {
1259  av_log(avctx, AV_LOG_FATAL, "Invalid pixel format!\n");
1260  return AVERROR(EINVAL);
1261  }
1262 
1263  nv_status = p_nvenc->nvEncUnlockInputBuffer(ctx->nvencoder, inSurf->input_surface);
1264  if (nv_status != NV_ENC_SUCCESS) {
1265  av_log(avctx, AV_LOG_FATAL, "Failed unlocking input buffer!\n");
1266  return AVERROR_EXTERNAL;
1267  }
1268 
1269  for (i = 0; i < ctx->max_surface_count; ++i)
1270  if (!ctx->output_surfaces[i].busy)
1271  break;
1272 
1273  if (i == ctx->max_surface_count) {
1274  inSurf->lockCount = 0;
1275  av_log(avctx, AV_LOG_FATAL, "No free output surface found!\n");
1276  return AVERROR_EXTERNAL;
1277  }
1278 
1279  ctx->output_surfaces[i].input_surface = inSurf;
1280 
1281  pic_params.inputBuffer = inSurf->input_surface;
1282  pic_params.bufferFmt = inSurf->format;
1283  pic_params.inputWidth = avctx->width;
1284  pic_params.inputHeight = avctx->height;
1285  pic_params.outputBitstream = ctx->output_surfaces[i].output_surface;
1286  pic_params.completionEvent = 0;
1287 
1288  if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
1289  if (frame->top_field_first) {
1290  pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
1291  } else {
1292  pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP;
1293  }
1294  } else {
1295  pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
1296  }
1297 
1298  pic_params.encodePicFlags = 0;
1299  pic_params.inputTimeStamp = frame->pts;
1300  pic_params.inputDuration = 0;
1301  switch (avctx->codec->id) {
1302  case AV_CODEC_ID_H264:
1303  pic_params.codecPicParams.h264PicParams.sliceMode = ctx->encode_config.encodeCodecConfig.h264Config.sliceMode;
1304  pic_params.codecPicParams.h264PicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
1305  break;
1306  case AV_CODEC_ID_H265:
1307  pic_params.codecPicParams.hevcPicParams.sliceMode = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode;
1308  pic_params.codecPicParams.hevcPicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
1309  break;
1310  default:
1311  av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
1312  return AVERROR(EINVAL);
1313  }
1314 
1315  res = timestamp_queue_enqueue(&ctx->timestamp_list, frame->pts);
1316 
1317  if (res)
1318  return res;
1319  } else {
1320  pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
1321  }
1322 
1323  nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params);
1324 
1325  if (frame && nv_status == NV_ENC_ERR_NEED_MORE_INPUT) {
1327 
1328  if (res)
1329  return res;
1330 
1331  ctx->output_surfaces[i].busy = 1;
1332  }
1333 
1334  if (nv_status != NV_ENC_SUCCESS && nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
1335  av_log(avctx, AV_LOG_ERROR, "EncodePicture failed!\n");
1336  return AVERROR_EXTERNAL;
1337  }
1338 
1339  if (nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
1340  while (ctx->output_surface_queue.count) {
1341  tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_queue);
1342  res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, tmpoutsurf);
1343 
1344  if (res)
1345  return res;
1346  }
1347 
1348  if (frame) {
1350 
1351  if (res)
1352  return res;
1353 
1354  ctx->output_surfaces[i].busy = 1;
1355  }
1356  }
1357 
1358  if (ctx->output_surface_ready_queue.count) {
1360 
1361  res = process_output_surface(avctx, pkt, avctx->coded_frame, tmpoutsurf);
1362 
1363  if (res)
1364  return res;
1365 
1366  tmpoutsurf->busy = 0;
1367  av_assert0(tmpoutsurf->input_surface->lockCount);
1368  tmpoutsurf->input_surface->lockCount--;
1369 
1370  *got_packet = 1;
1371  } else {
1372  *got_packet = 0;
1373  }
1374 
1375  return 0;
1376 }
1377 
1378 static const enum AVPixelFormat pix_fmts_nvenc[] = {
1381 };
1382 
1383 #define OFFSET(x) offsetof(NvencContext, x)
1384 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1385 static const AVOption options[] = {
1386  { "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 },
1387  { "profile", "Set the encoding profile (high, main or baseline)", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1388  { "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 },
1389  { "tier", "Set the encoding tier (main or high)", OFFSET(tier), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1390  { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
1391  { "2pass", "Use 2pass cbr encoding mode (low latency mode only)", OFFSET(twopass), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
1392  { "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 },
1393  { NULL }
1394 };
1395 
1396 static const AVCodecDefault nvenc_defaults[] = {
1397  { "b", "0" },
1398  { "qmin", "-1" },
1399  { "qmax", "-1" },
1400  { "qdiff", "-1" },
1401  { "qblur", "-1" },
1402  { "qcomp", "-1" },
1403  { NULL },
1404 };
1405 
1406 #if CONFIG_NVENC_ENCODER
1407 static const AVClass nvenc_class = {
1408  .class_name = "nvenc",
1409  .item_name = av_default_item_name,
1410  .option = options,
1411  .version = LIBAVUTIL_VERSION_INT,
1412 };
1413 
1414 AVCodec ff_nvenc_encoder = {
1415  .name = "nvenc",
1416  .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC h264 encoder"),
1417  .type = AVMEDIA_TYPE_VIDEO,
1418  .id = AV_CODEC_ID_H264,
1419  .priv_data_size = sizeof(NvencContext),
1421  .encode2 = nvenc_encode_frame,
1422  .close = nvenc_encode_close,
1423  .capabilities = CODEC_CAP_DELAY,
1424  .priv_class = &nvenc_class,
1425  .defaults = nvenc_defaults,
1426  .pix_fmts = pix_fmts_nvenc,
1427 };
1428 #endif
1429 
1430 /* Add an alias for nvenc_h264 */
1431 #if CONFIG_NVENC_H264_ENCODER
1432 static const AVClass nvenc_h264_class = {
1433  .class_name = "nvenc_h264",
1434  .item_name = av_default_item_name,
1435  .option = options,
1436  .version = LIBAVUTIL_VERSION_INT,
1437 };
1438 
1439 AVCodec ff_nvenc_h264_encoder = {
1440  .name = "nvenc_h264",
1441  .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC h264 encoder"),
1442  .type = AVMEDIA_TYPE_VIDEO,
1443  .id = AV_CODEC_ID_H264,
1444  .priv_data_size = sizeof(NvencContext),
1446  .encode2 = nvenc_encode_frame,
1447  .close = nvenc_encode_close,
1448  .capabilities = CODEC_CAP_DELAY,
1449  .priv_class = &nvenc_h264_class,
1450  .defaults = nvenc_defaults,
1451  .pix_fmts = pix_fmts_nvenc,
1452 };
1453 #endif
1454 
1455 #if CONFIG_NVENC_HEVC_ENCODER
1456 static const AVClass nvenc_hevc_class = {
1457  .class_name = "nvenc_hevc",
1458  .item_name = av_default_item_name,
1459  .option = options,
1460  .version = LIBAVUTIL_VERSION_INT,
1461 };
1462 
1463 AVCodec ff_nvenc_hevc_encoder = {
1464  .name = "nvenc_hevc",
1465  .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC hevc encoder"),
1466  .type = AVMEDIA_TYPE_VIDEO,
1467  .id = AV_CODEC_ID_H265,
1468  .priv_data_size = sizeof(NvencContext),
1470  .encode2 = nvenc_encode_frame,
1471  .close = nvenc_encode_close,
1472  .capabilities = CODEC_CAP_DELAY,
1473  .priv_class = &nvenc_hevc_class,
1474  .defaults = nvenc_defaults,
1475  .pix_fmts = pix_fmts_nvenc,
1476 };
1477 #endif
#define NULL
Definition: coverity.c:32
AVClass * avclass
Definition: nvenc.c:140
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size)
Check AVPacket size and/or allocate data.
Definition: utils.c:1736
const struct AVCodec * codec
Definition: avcodec.h:1250
BI type.
Definition: avutil.h:273
void * nvencoder
Definition: nvenc.c:157
static av_cold int nvenc_check_cuda(AVCodecContext *avctx)
Definition: nvenc.c:391
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 OFFSET(x)
Definition: nvenc.c:1383
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
AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:2745
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:1503
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:1960
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:1623
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:1444
char * level
Definition: nvenc.c:161
CUresult(CUDAAPI * PCUDEVICECOMPUTECAPABILITY)(int *major, int *minor, CUdevice dev)
Definition: nvenc.c:63
static const AVOption options[]
Definition: nvenc.c:1385
CUresult
Definition: nvenc.c:53
NvencDataList timestamp_list
Definition: nvenc.c:154
static AVPacket pkt
#define FF_PROFILE_H264_MAIN
Definition: avcodec.h:2869
int profile
profile
Definition: avcodec.h:2835
AVCodec.
Definition: avcodec.h:3181
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1369
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_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)
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:135
#define CHECK_LOAD_FUNC(t, f, s)
Definition: nvenc.c:332
AVOptions.
PCUDEVICEGETCOUNT cu_device_get_count
Definition: nvenc.c:111
int max_surface_count
Definition: nvenc.c:148
#define CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:758
Multithreading support functions.
PCUDEVICECOMPUTECAPABILITY cu_device_compute_capability
Definition: nvenc.c:114
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:2836
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:1355
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:1162
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
#define check_cuda_errors(f)
Definition: nvenc.c:389
NvencOutputSurface * output_surfaces
Definition: nvenc.c:150
static av_cold int nvenc_encode_close(AVCodecContext *avctx)
Definition: nvenc.c:1040
#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:1208
NvencDataList output_surface_ready_queue
Definition: nvenc.c:153
enum AVCodecID id
Definition: avcodec.h:3195
static int input_string_to_uint32(AVCodecContext *avctx, const NvencValuePair *pair, const char *input, uint32_t *output)
Definition: nvenc.c:219
#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:1533
int profile
Definition: mxfenc.c:1804
static const uint16_t mask[17]
Definition: lzw.c:38
static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, AVFrame *coded_frame, NvencOutputSurface *tmpoutsurf)
Definition: nvenc.c:1070
#define 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:824
av_default_item_name
#define AVERROR(e)
Definition: error.h:43
char * tier
Definition: nvenc.c:162
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:148
int qmax
maximum quantizer
Definition: avcodec.h:2277
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
CODEC_FLAG_*.
Definition: avcodec.h:1335
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:2327
simple assert() macros that are a bit more flexible than ISO C assert().
const char * name
Name of the codec implementation.
Definition: avcodec.h:3188
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:1168
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:2304
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
#define FF_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:630
int refs
number of reference frames
Definition: avcodec.h:1901
int bit_rate
the average bitrate
Definition: avcodec.h:1305
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:242
#define VE
Definition: nvenc.c:1384
int width
picture width / height.
Definition: avcodec.h:1414
void * CUcontext
Definition: nvenc.c:57
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:1939
static const NvencValuePair nvenc_h264_level_pairs[]
Definition: nvenc.c:168
#define CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
Definition: avcodec.h:756
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:1378
static int out_surf_queue_enqueue(NvencDataList *queue, NvencOutputSurface *surface)
Definition: nvenc.c:296
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:523
static av_cold int nvenc_encode_init(AVCodecContext *avctx)
Definition: nvenc.c:543
static NvencOutputSurface * out_surf_queue_dequeue(NvencDataList *queue)
Definition: nvenc.c:304
#define AV_CODEC_ID_H265
Definition: avcodec.h:323
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:518
uint32_t num
Definition: nvenc.c:135
main external API structure.
Definition: avcodec.h:1241
int qmin
minimum quantizer
Definition: avcodec.h:2270
static int timestamp_queue_enqueue(NvencDataList *queue, int64_t timestamp)
Definition: nvenc.c:314
void * buf
Definition: avisynth_c.h:553
int extradata_size
Definition: avcodec.h:1356
static av_cold int nvenc_dyload_cuda(AVCodecContext *avctx)
Definition: nvenc.c:341
Describe the class of an AVClass context structure.
Definition: log.h:67
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:1953
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:1946
static const NvencValuePair nvenc_hevc_level_pairs[]
Definition: nvenc.c:195
int(* func)(AVBPrint *dst, const char *in, const char *arg)
Definition: jacosubdec.c:67
static int64_t timestamp_queue_dequeue(NvencDataList *queue)
Definition: nvenc.c:322
int cbr
Definition: nvenc.c:163
int global_quality
Global quality for codecs which cannot change it per frame.
Definition: avcodec.h:1321
static av_cold int nvenc_dyload_nvenc(AVCodecContext *avctx)
Definition: nvenc.c:460
static int flags
Definition: cpu.c:47
static const AVCodecDefault nvenc_defaults[]
Definition: nvenc.c:1396
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:182
uint8_t level
Definition: svq3.c:150
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1435
preset
Definition: vf_curves.c:46
#define FF_PROFILE_H264_HIGH
Definition: avcodec.h:2871
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:63
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:269
CUdevice nvenc_devices[16]
Definition: nvenc.c:121
static enum AVPixelFormat pix_fmts_nvenc[]
Definition: nvenc.c:1378
int den
denominator
Definition: rational.h:45
#define FF_PROFILE_HEVC_MAIN
Definition: avcodec.h:2910
void * priv_data
Definition: avcodec.h:1283
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)
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:2867
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:1172
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:1161
#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:231
static const AVCodecDefault defaults[]
Definition: dcaenc.c:950
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:1139
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:250
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1155
CUresult(CUDAAPI * PCUCTXPOPCURRENT)(CUcontext *pctx)
Definition: nvenc.c:65
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:241
Predicted.
Definition: avutil.h:268
const char * name
Definition: opengl_enc.c:103
static int data_queue_enqueue(NvencDataList *queue, NvencData *data)
Definition: nvenc.c:251