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nvenc.c
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1 /*
2  * H.264/HEVC hardware encoding using nvidia nvenc
3  * Copyright (c) 2016 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 #include "config.h"
23 
24 #include "nvenc.h"
25 
27 #include "libavutil/hwcontext.h"
28 #include "libavutil/imgutils.h"
29 #include "libavutil/avassert.h"
30 #include "libavutil/mem.h"
31 #include "libavutil/pixdesc.h"
32 #include "internal.h"
33 
34 #define NVENC_CAP 0x30
35 #define IS_CBR(rc) (rc == NV_ENC_PARAMS_RC_CBR || \
36  rc == NV_ENC_PARAMS_RC_CBR_LOWDELAY_HQ || \
37  rc == NV_ENC_PARAMS_RC_CBR_HQ)
38 
49 };
50 
51 #define IS_10BIT(pix_fmt) (pix_fmt == AV_PIX_FMT_P010 || \
52  pix_fmt == AV_PIX_FMT_YUV444P16)
53 
54 #define IS_YUV444(pix_fmt) (pix_fmt == AV_PIX_FMT_YUV444P || \
55  pix_fmt == AV_PIX_FMT_YUV444P16)
56 
57 static const struct {
59  int averr;
60  const char *desc;
61 } nvenc_errors[] = {
62  { NV_ENC_SUCCESS, 0, "success" },
63  { NV_ENC_ERR_NO_ENCODE_DEVICE, AVERROR(ENOENT), "no encode device" },
64  { NV_ENC_ERR_UNSUPPORTED_DEVICE, AVERROR(ENOSYS), "unsupported device" },
65  { NV_ENC_ERR_INVALID_ENCODERDEVICE, AVERROR(EINVAL), "invalid encoder device" },
66  { NV_ENC_ERR_INVALID_DEVICE, AVERROR(EINVAL), "invalid device" },
67  { NV_ENC_ERR_DEVICE_NOT_EXIST, AVERROR(EIO), "device does not exist" },
68  { NV_ENC_ERR_INVALID_PTR, AVERROR(EFAULT), "invalid ptr" },
69  { NV_ENC_ERR_INVALID_EVENT, AVERROR(EINVAL), "invalid event" },
70  { NV_ENC_ERR_INVALID_PARAM, AVERROR(EINVAL), "invalid param" },
71  { NV_ENC_ERR_INVALID_CALL, AVERROR(EINVAL), "invalid call" },
72  { NV_ENC_ERR_OUT_OF_MEMORY, AVERROR(ENOMEM), "out of memory" },
73  { NV_ENC_ERR_ENCODER_NOT_INITIALIZED, AVERROR(EINVAL), "encoder not initialized" },
74  { NV_ENC_ERR_UNSUPPORTED_PARAM, AVERROR(ENOSYS), "unsupported param" },
75  { NV_ENC_ERR_LOCK_BUSY, AVERROR(EAGAIN), "lock busy" },
77  { NV_ENC_ERR_INVALID_VERSION, AVERROR(EINVAL), "invalid version" },
78  { NV_ENC_ERR_MAP_FAILED, AVERROR(EIO), "map failed" },
79  { NV_ENC_ERR_NEED_MORE_INPUT, AVERROR(EAGAIN), "need more input" },
80  { NV_ENC_ERR_ENCODER_BUSY, AVERROR(EAGAIN), "encoder busy" },
81  { NV_ENC_ERR_EVENT_NOT_REGISTERD, AVERROR(EBADF), "event not registered" },
82  { NV_ENC_ERR_GENERIC, AVERROR_UNKNOWN, "generic error" },
83  { NV_ENC_ERR_INCOMPATIBLE_CLIENT_KEY, AVERROR(EINVAL), "incompatible client key" },
84  { NV_ENC_ERR_UNIMPLEMENTED, AVERROR(ENOSYS), "unimplemented" },
85  { NV_ENC_ERR_RESOURCE_REGISTER_FAILED, AVERROR(EIO), "resource register failed" },
86  { NV_ENC_ERR_RESOURCE_NOT_REGISTERED, AVERROR(EBADF), "resource not registered" },
87  { NV_ENC_ERR_RESOURCE_NOT_MAPPED, AVERROR(EBADF), "resource not mapped" },
88 };
89 
90 static int nvenc_map_error(NVENCSTATUS err, const char **desc)
91 {
92  int i;
93  for (i = 0; i < FF_ARRAY_ELEMS(nvenc_errors); i++) {
94  if (nvenc_errors[i].nverr == err) {
95  if (desc)
96  *desc = nvenc_errors[i].desc;
97  return nvenc_errors[i].averr;
98  }
99  }
100  if (desc)
101  *desc = "unknown error";
102  return AVERROR_UNKNOWN;
103 }
104 
105 static int nvenc_print_error(void *log_ctx, NVENCSTATUS err,
106  const char *error_string)
107 {
108  const char *desc;
109  int ret;
110  ret = nvenc_map_error(err, &desc);
111  av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
112  return ret;
113 }
114 
116 {
117 #if defined(_WIN32) || defined(__CYGWIN__)
118  const char *minver = "378.66";
119 #else
120  const char *minver = "378.13";
121 #endif
122  av_log(avctx, level, "The minimum required Nvidia driver for nvenc is %s or newer\n", minver);
123 }
124 
126 {
127  NvencContext *ctx = avctx->priv_data;
129  NVENCSTATUS err;
130  uint32_t nvenc_max_ver;
131  int ret;
132 
133  ret = cuda_load_functions(&dl_fn->cuda_dl);
134  if (ret < 0)
135  return ret;
136 
137  ret = nvenc_load_functions(&dl_fn->nvenc_dl);
138  if (ret < 0) {
140  return ret;
141  }
142 
143  err = dl_fn->nvenc_dl->NvEncodeAPIGetMaxSupportedVersion(&nvenc_max_ver);
144  if (err != NV_ENC_SUCCESS)
145  return nvenc_print_error(avctx, err, "Failed to query nvenc max version");
146 
147  av_log(avctx, AV_LOG_VERBOSE, "Loaded Nvenc version %d.%d\n", nvenc_max_ver >> 4, nvenc_max_ver & 0xf);
148 
149  if ((NVENCAPI_MAJOR_VERSION << 4 | NVENCAPI_MINOR_VERSION) > nvenc_max_ver) {
150  av_log(avctx, AV_LOG_ERROR, "Driver does not support the required nvenc API version. "
151  "Required: %d.%d Found: %d.%d\n",
153  nvenc_max_ver >> 4, nvenc_max_ver & 0xf);
155  return AVERROR(ENOSYS);
156  }
157 
159 
160  err = dl_fn->nvenc_dl->NvEncodeAPICreateInstance(&dl_fn->nvenc_funcs);
161  if (err != NV_ENC_SUCCESS)
162  return nvenc_print_error(avctx, err, "Failed to create nvenc instance");
163 
164  av_log(avctx, AV_LOG_VERBOSE, "Nvenc initialized successfully\n");
165 
166  return 0;
167 }
168 
170 {
172  NvencContext *ctx = avctx->priv_data;
174  NVENCSTATUS ret;
175 
177  params.apiVersion = NVENCAPI_VERSION;
178  params.device = ctx->cu_context;
180 
181  ret = p_nvenc->nvEncOpenEncodeSessionEx(&params, &ctx->nvencoder);
182  if (ret != NV_ENC_SUCCESS) {
183  ctx->nvencoder = NULL;
184  return nvenc_print_error(avctx, ret, "OpenEncodeSessionEx failed");
185  }
186 
187  return 0;
188 }
189 
191 {
192  NvencContext *ctx = avctx->priv_data;
194  int i, ret, count = 0;
195  GUID *guids = NULL;
196 
197  ret = p_nvenc->nvEncGetEncodeGUIDCount(ctx->nvencoder, &count);
198 
199  if (ret != NV_ENC_SUCCESS || !count)
200  return AVERROR(ENOSYS);
201 
202  guids = av_malloc(count * sizeof(GUID));
203  if (!guids)
204  return AVERROR(ENOMEM);
205 
206  ret = p_nvenc->nvEncGetEncodeGUIDs(ctx->nvencoder, guids, count, &count);
207  if (ret != NV_ENC_SUCCESS) {
208  ret = AVERROR(ENOSYS);
209  goto fail;
210  }
211 
212  ret = AVERROR(ENOSYS);
213  for (i = 0; i < count; i++) {
214  if (!memcmp(&guids[i], &ctx->init_encode_params.encodeGUID, sizeof(*guids))) {
215  ret = 0;
216  break;
217  }
218  }
219 
220 fail:
221  av_free(guids);
222 
223  return ret;
224 }
225 
227 {
228  NvencContext *ctx = avctx->priv_data;
230  NV_ENC_CAPS_PARAM params = { 0 };
231  int ret, val = 0;
232 
234  params.capsToQuery = cap;
235 
236  ret = p_nvenc->nvEncGetEncodeCaps(ctx->nvencoder, ctx->init_encode_params.encodeGUID, &params, &val);
237 
238  if (ret == NV_ENC_SUCCESS)
239  return val;
240  return 0;
241 }
242 
244 {
245  NvencContext *ctx = avctx->priv_data;
246  int ret;
247 
248  ret = nvenc_check_codec_support(avctx);
249  if (ret < 0) {
250  av_log(avctx, AV_LOG_VERBOSE, "Codec not supported\n");
251  return ret;
252  }
253 
255  if (IS_YUV444(ctx->data_pix_fmt) && ret <= 0) {
256  av_log(avctx, AV_LOG_VERBOSE, "YUV444P not supported\n");
257  return AVERROR(ENOSYS);
258  }
259 
261  if (ctx->preset >= PRESET_LOSSLESS_DEFAULT && ret <= 0) {
262  av_log(avctx, AV_LOG_VERBOSE, "Lossless encoding not supported\n");
263  return AVERROR(ENOSYS);
264  }
265 
267  if (ret < avctx->width) {
268  av_log(avctx, AV_LOG_VERBOSE, "Width %d exceeds %d\n",
269  avctx->width, ret);
270  return AVERROR(ENOSYS);
271  }
272 
274  if (ret < avctx->height) {
275  av_log(avctx, AV_LOG_VERBOSE, "Height %d exceeds %d\n",
276  avctx->height, ret);
277  return AVERROR(ENOSYS);
278  }
279 
281  if (ret < avctx->max_b_frames) {
282  av_log(avctx, AV_LOG_VERBOSE, "Max B-frames %d exceed %d\n",
283  avctx->max_b_frames, ret);
284 
285  return AVERROR(ENOSYS);
286  }
287 
289  if (ret < 1 && avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
290  av_log(avctx, AV_LOG_VERBOSE,
291  "Interlaced encoding is not supported. Supported level: %d\n",
292  ret);
293  return AVERROR(ENOSYS);
294  }
295 
297  if (IS_10BIT(ctx->data_pix_fmt) && ret <= 0) {
298  av_log(avctx, AV_LOG_VERBOSE, "10 bit encode not supported\n");
299  return AVERROR(ENOSYS);
300  }
301 
303  if (ctx->rc_lookahead > 0 && ret <= 0) {
304  av_log(avctx, AV_LOG_VERBOSE, "RC lookahead not supported\n");
305  return AVERROR(ENOSYS);
306  }
307 
309  if (ctx->temporal_aq > 0 && ret <= 0) {
310  av_log(avctx, AV_LOG_VERBOSE, "Temporal AQ not supported\n");
311  return AVERROR(ENOSYS);
312  }
313 
315  if (ctx->weighted_pred > 0 && ret <= 0) {
316  av_log (avctx, AV_LOG_VERBOSE, "Weighted Prediction not supported\n");
317  return AVERROR(ENOSYS);
318  }
319 
321  if (ctx->coder == NV_ENC_H264_ENTROPY_CODING_MODE_CABAC && ret <= 0) {
322  av_log(avctx, AV_LOG_VERBOSE, "CABAC entropy coding not supported\n");
323  return AVERROR(ENOSYS);
324  }
325 
326  return 0;
327 }
328 
329 static av_cold int nvenc_check_device(AVCodecContext *avctx, int idx)
330 {
331  NvencContext *ctx = avctx->priv_data;
333  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
334  char name[128] = { 0};
335  int major, minor, ret;
336  CUresult cu_res;
337  CUdevice cu_device;
339  int loglevel = AV_LOG_VERBOSE;
340 
341  if (ctx->device == LIST_DEVICES)
342  loglevel = AV_LOG_INFO;
343 
344  cu_res = dl_fn->cuda_dl->cuDeviceGet(&cu_device, idx);
345  if (cu_res != CUDA_SUCCESS) {
346  av_log(avctx, AV_LOG_ERROR,
347  "Cannot access the CUDA device %d\n",
348  idx);
349  return -1;
350  }
351 
352  cu_res = dl_fn->cuda_dl->cuDeviceGetName(name, sizeof(name), cu_device);
353  if (cu_res != CUDA_SUCCESS) {
354  av_log(avctx, AV_LOG_ERROR, "cuDeviceGetName failed on device %d\n", idx);
355  return -1;
356  }
357 
358  cu_res = dl_fn->cuda_dl->cuDeviceComputeCapability(&major, &minor, cu_device);
359  if (cu_res != CUDA_SUCCESS) {
360  av_log(avctx, AV_LOG_ERROR, "cuDeviceComputeCapability failed on device %d\n", idx);
361  return -1;
362  }
363 
364  av_log(avctx, loglevel, "[ GPU #%d - < %s > has Compute SM %d.%d ]\n", idx, name, major, minor);
365  if (((major << 4) | minor) < NVENC_CAP) {
366  av_log(avctx, loglevel, "does not support NVENC\n");
367  goto fail;
368  }
369 
370  if (ctx->device != idx && ctx->device != ANY_DEVICE)
371  return -1;
372 
373  cu_res = dl_fn->cuda_dl->cuCtxCreate(&ctx->cu_context_internal, 0, cu_device);
374  if (cu_res != CUDA_SUCCESS) {
375  av_log(avctx, AV_LOG_FATAL, "Failed creating CUDA context for NVENC: 0x%x\n", (int)cu_res);
376  goto fail;
377  }
378 
379  ctx->cu_context = ctx->cu_context_internal;
380 
381  cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
382  if (cu_res != CUDA_SUCCESS) {
383  av_log(avctx, AV_LOG_FATAL, "Failed popping CUDA context: 0x%x\n", (int)cu_res);
384  goto fail2;
385  }
386 
387  if ((ret = nvenc_open_session(avctx)) < 0)
388  goto fail2;
389 
390  if ((ret = nvenc_check_capabilities(avctx)) < 0)
391  goto fail3;
392 
393  av_log(avctx, loglevel, "supports NVENC\n");
394 
395  dl_fn->nvenc_device_count++;
396 
397  if (ctx->device == idx || ctx->device == ANY_DEVICE)
398  return 0;
399 
400 fail3:
401  cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context);
402  if (cu_res != CUDA_SUCCESS) {
403  av_log(avctx, AV_LOG_ERROR, "cuCtxPushCurrent failed\n");
404  return AVERROR_EXTERNAL;
405  }
406 
407  p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
408  ctx->nvencoder = NULL;
409 
410  cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
411  if (cu_res != CUDA_SUCCESS) {
412  av_log(avctx, AV_LOG_ERROR, "cuCtxPopCurrent failed\n");
413  return AVERROR_EXTERNAL;
414  }
415 
416 fail2:
418  ctx->cu_context_internal = NULL;
419 
420 fail:
421  return AVERROR(ENOSYS);
422 }
423 
425 {
426  NvencContext *ctx = avctx->priv_data;
428 
429  switch (avctx->codec->id) {
430  case AV_CODEC_ID_H264:
432  break;
433  case AV_CODEC_ID_HEVC:
435  break;
436  default:
437  return AVERROR_BUG;
438  }
439 
440  if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->hw_frames_ctx || avctx->hw_device_ctx) {
441  AVHWFramesContext *frames_ctx;
442  AVHWDeviceContext *hwdev_ctx;
443  AVCUDADeviceContext *device_hwctx;
444  int ret;
445 
446  if (avctx->hw_frames_ctx) {
447  frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
448  device_hwctx = frames_ctx->device_ctx->hwctx;
449  } else if (avctx->hw_device_ctx) {
450  hwdev_ctx = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
451  device_hwctx = hwdev_ctx->hwctx;
452  } else {
453  return AVERROR(EINVAL);
454  }
455 
456  ctx->cu_context = device_hwctx->cuda_ctx;
457 
458  ret = nvenc_open_session(avctx);
459  if (ret < 0)
460  return ret;
461 
462  ret = nvenc_check_capabilities(avctx);
463  if (ret < 0) {
464  av_log(avctx, AV_LOG_FATAL, "Provided device doesn't support required NVENC features\n");
465  return ret;
466  }
467  } else {
468  int i, nb_devices = 0;
469 
470  if ((dl_fn->cuda_dl->cuInit(0)) != CUDA_SUCCESS) {
471  av_log(avctx, AV_LOG_ERROR,
472  "Cannot init CUDA\n");
473  return AVERROR_UNKNOWN;
474  }
475 
476  if ((dl_fn->cuda_dl->cuDeviceGetCount(&nb_devices)) != CUDA_SUCCESS) {
477  av_log(avctx, AV_LOG_ERROR,
478  "Cannot enumerate the CUDA devices\n");
479  return AVERROR_UNKNOWN;
480  }
481 
482  if (!nb_devices) {
483  av_log(avctx, AV_LOG_FATAL, "No CUDA capable devices found\n");
484  return AVERROR_EXTERNAL;
485  }
486 
487  av_log(avctx, AV_LOG_VERBOSE, "%d CUDA capable devices found\n", nb_devices);
488 
489  dl_fn->nvenc_device_count = 0;
490  for (i = 0; i < nb_devices; ++i) {
491  if ((nvenc_check_device(avctx, i)) >= 0 && ctx->device != LIST_DEVICES)
492  return 0;
493  }
494 
495  if (ctx->device == LIST_DEVICES)
496  return AVERROR_EXIT;
497 
498  if (!dl_fn->nvenc_device_count) {
499  av_log(avctx, AV_LOG_FATAL, "No NVENC capable devices found\n");
500  return AVERROR_EXTERNAL;
501  }
502 
503  av_log(avctx, AV_LOG_FATAL, "Requested GPU %d, but only %d GPUs are available!\n", ctx->device, nb_devices);
504  return AVERROR(EINVAL);
505  }
506 
507  return 0;
508 }
509 
510 typedef struct GUIDTuple {
511  const GUID guid;
512  int flags;
513 } GUIDTuple;
514 
515 #define PRESET_ALIAS(alias, name, ...) \
516  [PRESET_ ## alias] = { NV_ENC_PRESET_ ## name ## _GUID, __VA_ARGS__ }
517 
518 #define PRESET(name, ...) PRESET_ALIAS(name, name, __VA_ARGS__)
519 
521 {
522  GUIDTuple presets[] = {
523  PRESET(DEFAULT),
524  PRESET(HP),
525  PRESET(HQ),
526  PRESET(BD),
527  PRESET_ALIAS(SLOW, HQ, NVENC_TWO_PASSES),
528  PRESET_ALIAS(MEDIUM, HQ, NVENC_ONE_PASS),
529  PRESET_ALIAS(FAST, HP, NVENC_ONE_PASS),
530  PRESET(LOW_LATENCY_DEFAULT, NVENC_LOWLATENCY),
531  PRESET(LOW_LATENCY_HP, NVENC_LOWLATENCY),
532  PRESET(LOW_LATENCY_HQ, NVENC_LOWLATENCY),
533  PRESET(LOSSLESS_DEFAULT, NVENC_LOSSLESS),
534  PRESET(LOSSLESS_HP, NVENC_LOSSLESS),
535  };
536 
537  GUIDTuple *t = &presets[ctx->preset];
538 
540  ctx->flags = t->flags;
541 }
542 
543 #undef PRESET
544 #undef PRESET_ALIAS
545 
546 static av_cold void set_constqp(AVCodecContext *avctx)
547 {
548  NvencContext *ctx = avctx->priv_data;
550 
552 
553  if (ctx->init_qp_p >= 0) {
554  rc->constQP.qpInterP = ctx->init_qp_p;
555  if (ctx->init_qp_i >= 0 && ctx->init_qp_b >= 0) {
556  rc->constQP.qpIntra = ctx->init_qp_i;
557  rc->constQP.qpInterB = ctx->init_qp_b;
558  } else if (avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) {
559  rc->constQP.qpIntra = av_clip(
560  rc->constQP.qpInterP * fabs(avctx->i_quant_factor) + avctx->i_quant_offset + 0.5, 0, 51);
561  rc->constQP.qpInterB = av_clip(
562  rc->constQP.qpInterP * fabs(avctx->b_quant_factor) + avctx->b_quant_offset + 0.5, 0, 51);
563  } else {
564  rc->constQP.qpIntra = rc->constQP.qpInterP;
565  rc->constQP.qpInterB = rc->constQP.qpInterP;
566  }
567  } else if (ctx->cqp >= 0) {
568  rc->constQP.qpInterP = rc->constQP.qpInterB = rc->constQP.qpIntra = ctx->cqp;
569  if (avctx->b_quant_factor != 0.0)
570  rc->constQP.qpInterB = av_clip(ctx->cqp * fabs(avctx->b_quant_factor) + avctx->b_quant_offset + 0.5, 0, 51);
571  if (avctx->i_quant_factor != 0.0)
572  rc->constQP.qpIntra = av_clip(ctx->cqp * fabs(avctx->i_quant_factor) + avctx->i_quant_offset + 0.5, 0, 51);
573  }
574 
575  avctx->qmin = -1;
576  avctx->qmax = -1;
577 }
578 
579 static av_cold void set_vbr(AVCodecContext *avctx)
580 {
581  NvencContext *ctx = avctx->priv_data;
583  int qp_inter_p;
584 
585  if (avctx->qmin >= 0 && avctx->qmax >= 0) {
586  rc->enableMinQP = 1;
587  rc->enableMaxQP = 1;
588 
589  rc->minQP.qpInterB = avctx->qmin;
590  rc->minQP.qpInterP = avctx->qmin;
591  rc->minQP.qpIntra = avctx->qmin;
592 
593  rc->maxQP.qpInterB = avctx->qmax;
594  rc->maxQP.qpInterP = avctx->qmax;
595  rc->maxQP.qpIntra = avctx->qmax;
596 
597  qp_inter_p = (avctx->qmax + 3 * avctx->qmin) / 4; // biased towards Qmin
598  } else if (avctx->qmin >= 0) {
599  rc->enableMinQP = 1;
600 
601  rc->minQP.qpInterB = avctx->qmin;
602  rc->minQP.qpInterP = avctx->qmin;
603  rc->minQP.qpIntra = avctx->qmin;
604 
605  qp_inter_p = avctx->qmin;
606  } else {
607  qp_inter_p = 26; // default to 26
608  }
609 
610  rc->enableInitialRCQP = 1;
611 
612  if (ctx->init_qp_p < 0) {
613  rc->initialRCQP.qpInterP = qp_inter_p;
614  } else {
615  rc->initialRCQP.qpInterP = ctx->init_qp_p;
616  }
617 
618  if (ctx->init_qp_i < 0) {
619  if (avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) {
620  rc->initialRCQP.qpIntra = av_clip(
621  rc->initialRCQP.qpInterP * fabs(avctx->i_quant_factor) + avctx->i_quant_offset + 0.5, 0, 51);
622  } else {
624  }
625  } else {
626  rc->initialRCQP.qpIntra = ctx->init_qp_i;
627  }
628 
629  if (ctx->init_qp_b < 0) {
630  if (avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) {
631  rc->initialRCQP.qpInterB = av_clip(
632  rc->initialRCQP.qpInterP * fabs(avctx->b_quant_factor) + avctx->b_quant_offset + 0.5, 0, 51);
633  } else {
635  }
636  } else {
637  rc->initialRCQP.qpInterB = ctx->init_qp_b;
638  }
639 }
640 
642 {
643  NvencContext *ctx = avctx->priv_data;
645 
647  rc->constQP.qpInterB = 0;
648  rc->constQP.qpInterP = 0;
649  rc->constQP.qpIntra = 0;
650 
651  avctx->qmin = -1;
652  avctx->qmax = -1;
653 }
654 
656 {
657  NvencContext *ctx = avctx->priv_data;
659 
660  switch (ctx->rc) {
662  set_constqp(avctx);
663  return;
665  if (avctx->qmin < 0) {
666  av_log(avctx, AV_LOG_WARNING,
667  "The variable bitrate rate-control requires "
668  "the 'qmin' option set.\n");
669  set_vbr(avctx);
670  return;
671  }
672  /* fall through */
675  set_vbr(avctx);
676  break;
680  break;
681  }
682 
683  rc->rateControlMode = ctx->rc;
684 }
685 
687 {
688  NvencContext *ctx = avctx->priv_data;
689  // default minimum of 4 surfaces
690  // multiply by 2 for number of NVENCs on gpu (hardcode to 2)
691  // another multiply by 2 to avoid blocking next PBB group
692  int nb_surfaces = FFMAX(4, ctx->encode_config.frameIntervalP * 2 * 2);
693 
694  // lookahead enabled
695  if (ctx->rc_lookahead > 0) {
696  // +1 is to account for lkd_bound calculation later
697  // +4 is to allow sufficient pipelining with lookahead
698  nb_surfaces = FFMAX(1, FFMAX(nb_surfaces, ctx->rc_lookahead + ctx->encode_config.frameIntervalP + 1 + 4));
699  if (nb_surfaces > ctx->nb_surfaces && ctx->nb_surfaces > 0)
700  {
701  av_log(avctx, AV_LOG_WARNING,
702  "Defined rc_lookahead requires more surfaces, "
703  "increasing used surfaces %d -> %d\n", ctx->nb_surfaces, nb_surfaces);
704  }
705  ctx->nb_surfaces = FFMAX(nb_surfaces, ctx->nb_surfaces);
706  } else {
707  if (ctx->encode_config.frameIntervalP > 1 && ctx->nb_surfaces < nb_surfaces && ctx->nb_surfaces > 0)
708  {
709  av_log(avctx, AV_LOG_WARNING,
710  "Defined b-frame requires more surfaces, "
711  "increasing used surfaces %d -> %d\n", ctx->nb_surfaces, nb_surfaces);
712  ctx->nb_surfaces = FFMAX(ctx->nb_surfaces, nb_surfaces);
713  }
714  else if (ctx->nb_surfaces <= 0)
715  ctx->nb_surfaces = nb_surfaces;
716  // otherwise use user specified value
717  }
718 
720  ctx->async_depth = FFMIN(ctx->async_depth, ctx->nb_surfaces - 1);
721 
722  return 0;
723 }
724 
726 {
727  NvencContext *ctx = avctx->priv_data;
728 
729  if (avctx->global_quality > 0)
730  av_log(avctx, AV_LOG_WARNING, "Using global_quality with nvenc is deprecated. Use qp instead.\n");
731 
732  if (ctx->cqp < 0 && avctx->global_quality > 0)
733  ctx->cqp = avctx->global_quality;
734 
735  if (avctx->bit_rate > 0) {
737  } else if (ctx->encode_config.rcParams.averageBitRate > 0) {
739  }
740 
741  if (avctx->rc_max_rate > 0)
743 
744  if (ctx->rc < 0) {
745  if (ctx->flags & NVENC_ONE_PASS)
746  ctx->twopass = 0;
747  if (ctx->flags & NVENC_TWO_PASSES)
748  ctx->twopass = 1;
749 
750  if (ctx->twopass < 0)
751  ctx->twopass = (ctx->flags & NVENC_LOWLATENCY) != 0;
752 
753  if (ctx->cbr) {
754  if (ctx->twopass) {
756  } else {
757  ctx->rc = NV_ENC_PARAMS_RC_CBR;
758  }
759  } else if (ctx->cqp >= 0) {
761  } else if (ctx->twopass) {
763  } else if (avctx->qmin >= 0 && avctx->qmax >= 0) {
765  }
766  }
767 
768  if (ctx->rc >= 0 && ctx->rc & RC_MODE_DEPRECATED) {
769  av_log(avctx, AV_LOG_WARNING, "Specified rc mode is deprecated.\n");
770  av_log(avctx, AV_LOG_WARNING, "\tll_2pass_quality -> cbr_ld_hq\n");
771  av_log(avctx, AV_LOG_WARNING, "\tll_2pass_size -> cbr_hq\n");
772  av_log(avctx, AV_LOG_WARNING, "\tvbr_2pass -> vbr_hq\n");
773  av_log(avctx, AV_LOG_WARNING, "\tvbr_minqp -> (no replacement)\n");
774 
775  ctx->rc &= ~RC_MODE_DEPRECATED;
776  }
777 
778  if (ctx->flags & NVENC_LOSSLESS) {
779  set_lossless(avctx);
780  } else if (ctx->rc >= 0) {
782  } else {
784  set_vbr(avctx);
785  }
786 
787  if (avctx->rc_buffer_size > 0) {
789  } else if (ctx->encode_config.rcParams.averageBitRate > 0) {
791  }
792 
793  if (ctx->aq) {
796  av_log(avctx, AV_LOG_VERBOSE, "AQ enabled.\n");
797  }
798 
799  if (ctx->temporal_aq) {
801  av_log(avctx, AV_LOG_VERBOSE, "Temporal AQ enabled.\n");
802  }
803 
804  if (ctx->rc_lookahead > 0) {
805  int lkd_bound = FFMIN(ctx->nb_surfaces, ctx->async_depth) -
806  ctx->encode_config.frameIntervalP - 4;
807 
808  if (lkd_bound < 0) {
809  av_log(avctx, AV_LOG_WARNING,
810  "Lookahead not enabled. Increase buffer delay (-delay).\n");
811  } else {
813  ctx->encode_config.rcParams.lookaheadDepth = av_clip(ctx->rc_lookahead, 0, lkd_bound);
816  av_log(avctx, AV_LOG_VERBOSE,
817  "Lookahead enabled: depth %d, scenecut %s, B-adapt %s.\n",
819  ctx->encode_config.rcParams.disableIadapt ? "disabled" : "enabled",
820  ctx->encode_config.rcParams.disableBadapt ? "disabled" : "enabled");
821  }
822  }
823 
824  if (ctx->strict_gop) {
826  av_log(avctx, AV_LOG_VERBOSE, "Strict GOP target enabled.\n");
827  }
828 
829  if (ctx->nonref_p)
831 
832  if (ctx->zerolatency)
834 
835  if (ctx->quality)
836  {
837  //convert from float to fixed point 8.8
838  int tmp_quality = (int)(ctx->quality * 256.0f);
839  ctx->encode_config.rcParams.targetQuality = (uint8_t)(tmp_quality >> 8);
840  ctx->encode_config.rcParams.targetQualityLSB = (uint8_t)(tmp_quality & 0xff);
841  }
842 }
843 
845 {
846  NvencContext *ctx = avctx->priv_data;
847  NV_ENC_CONFIG *cc = &ctx->encode_config;
850 
851  vui->colourMatrix = avctx->colorspace;
852  vui->colourPrimaries = avctx->color_primaries;
853  vui->transferCharacteristics = avctx->color_trc;
856 
858  (avctx->colorspace != 2 || avctx->color_primaries != 2 || avctx->color_trc != 2);
859 
862  || vui->videoFormat != 5
863  || vui->videoFullRangeFlag != 0);
864 
865  h264->sliceMode = 3;
866  h264->sliceModeData = 1;
867 
868  h264->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
869  h264->repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
870  h264->outputAUD = ctx->aud;
871 
872  if (avctx->refs >= 0) {
873  /* 0 means "let the hardware decide" */
874  h264->maxNumRefFrames = avctx->refs;
875  }
876  if (avctx->gop_size >= 0) {
877  h264->idrPeriod = cc->gopLength;
878  }
879 
880  if (IS_CBR(cc->rcParams.rateControlMode)) {
881  h264->outputBufferingPeriodSEI = 1;
882  }
883 
884  h264->outputPictureTimingSEI = 1;
885 
891  }
892 
893  if (ctx->flags & NVENC_LOSSLESS) {
895  } else {
896  switch(ctx->profile) {
900  break;
903  avctx->profile = FF_PROFILE_H264_MAIN;
904  break;
907  avctx->profile = FF_PROFILE_H264_HIGH;
908  break;
912  break;
913  }
914  }
915 
916  // force setting profile as high444p if input is AV_PIX_FMT_YUV444P
917  if (ctx->data_pix_fmt == AV_PIX_FMT_YUV444P) {
920  }
921 
923 
924  h264->level = ctx->level;
925 
926  if (ctx->coder >= 0)
927  h264->entropyCodingMode = ctx->coder;
928 
929  return 0;
930 }
931 
933 {
934  NvencContext *ctx = avctx->priv_data;
935  NV_ENC_CONFIG *cc = &ctx->encode_config;
938 
939  vui->colourMatrix = avctx->colorspace;
940  vui->colourPrimaries = avctx->color_primaries;
941  vui->transferCharacteristics = avctx->color_trc;
944 
946  (avctx->colorspace != 2 || avctx->color_primaries != 2 || avctx->color_trc != 2);
947 
950  || vui->videoFormat != 5
951  || vui->videoFullRangeFlag != 0);
952 
953  hevc->sliceMode = 3;
954  hevc->sliceModeData = 1;
955 
956  hevc->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
957  hevc->repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
958  hevc->outputAUD = ctx->aud;
959 
960  if (avctx->refs >= 0) {
961  /* 0 means "let the hardware decide" */
962  hevc->maxNumRefFramesInDPB = avctx->refs;
963  }
964  if (avctx->gop_size >= 0) {
965  hevc->idrPeriod = cc->gopLength;
966  }
967 
968  if (IS_CBR(cc->rcParams.rateControlMode)) {
969  hevc->outputBufferingPeriodSEI = 1;
970  }
971 
972  hevc->outputPictureTimingSEI = 1;
973 
974  switch (ctx->profile) {
977  avctx->profile = FF_PROFILE_HEVC_MAIN;
978  break;
982  break;
985  avctx->profile = FF_PROFILE_HEVC_REXT;
986  break;
987  }
988 
989  // force setting profile as main10 if input is 10 bit
990  if (IS_10BIT(ctx->data_pix_fmt)) {
993  }
994 
995  // force setting profile as rext if input is yuv444
996  if (IS_YUV444(ctx->data_pix_fmt)) {
998  avctx->profile = FF_PROFILE_HEVC_REXT;
999  }
1000 
1001  hevc->chromaFormatIDC = IS_YUV444(ctx->data_pix_fmt) ? 3 : 1;
1002 
1003  hevc->pixelBitDepthMinus8 = IS_10BIT(ctx->data_pix_fmt) ? 2 : 0;
1004 
1005  hevc->level = ctx->level;
1006 
1007  hevc->tier = ctx->tier;
1008 
1009  return 0;
1010 }
1011 
1013 {
1014  switch (avctx->codec->id) {
1015  case AV_CODEC_ID_H264:
1016  return nvenc_setup_h264_config(avctx);
1017  case AV_CODEC_ID_HEVC:
1018  return nvenc_setup_hevc_config(avctx);
1019  /* Earlier switch/case will return if unknown codec is passed. */
1020  }
1021 
1022  return 0;
1023 }
1024 
1026 {
1027  NvencContext *ctx = avctx->priv_data;
1029  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1030 
1031  NV_ENC_PRESET_CONFIG preset_config = { 0 };
1032  NVENCSTATUS nv_status = NV_ENC_SUCCESS;
1033  AVCPBProperties *cpb_props;
1034  CUresult cu_res;
1035  CUcontext dummy;
1036  int res = 0;
1037  int dw, dh;
1038 
1041 
1042  ctx->init_encode_params.encodeHeight = avctx->height;
1043  ctx->init_encode_params.encodeWidth = avctx->width;
1044 
1046 
1047  nvenc_map_preset(ctx);
1048 
1049  preset_config.version = NV_ENC_PRESET_CONFIG_VER;
1050  preset_config.presetCfg.version = NV_ENC_CONFIG_VER;
1051 
1052  nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder,
1055  &preset_config);
1056  if (nv_status != NV_ENC_SUCCESS)
1057  return nvenc_print_error(avctx, nv_status, "Cannot get the preset configuration");
1058 
1059  memcpy(&ctx->encode_config, &preset_config.presetCfg, sizeof(ctx->encode_config));
1060 
1062 
1063  dw = avctx->width;
1064  dh = avctx->height;
1065  if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) {
1066  dw*= avctx->sample_aspect_ratio.num;
1067  dh*= avctx->sample_aspect_ratio.den;
1068  }
1069  av_reduce(&dw, &dh, dw, dh, 1024 * 1024);
1070  ctx->init_encode_params.darHeight = dh;
1071  ctx->init_encode_params.darWidth = dw;
1072 
1075 
1077  ctx->init_encode_params.enablePTD = 1;
1078 
1079  if (ctx->weighted_pred == 1)
1081 
1082  if (ctx->bluray_compat) {
1083  ctx->aud = 1;
1084  avctx->refs = FFMIN(FFMAX(avctx->refs, 0), 6);
1085  avctx->max_b_frames = FFMIN(avctx->max_b_frames, 3);
1086  switch (avctx->codec->id) {
1087  case AV_CODEC_ID_H264:
1088  /* maximum level depends on used resolution */
1089  break;
1090  case AV_CODEC_ID_HEVC:
1091  ctx->level = NV_ENC_LEVEL_HEVC_51;
1092  ctx->tier = NV_ENC_TIER_HEVC_HIGH;
1093  break;
1094  }
1095  }
1096 
1097  if (avctx->gop_size > 0) {
1098  if (avctx->max_b_frames >= 0) {
1099  /* 0 is intra-only, 1 is I/P only, 2 is one B-Frame, 3 two B-frames, and so on. */
1100  ctx->encode_config.frameIntervalP = avctx->max_b_frames + 1;
1101  }
1102 
1103  ctx->encode_config.gopLength = avctx->gop_size;
1104  } else if (avctx->gop_size == 0) {
1105  ctx->encode_config.frameIntervalP = 0;
1106  ctx->encode_config.gopLength = 1;
1107  }
1108 
1109  ctx->initial_pts[0] = AV_NOPTS_VALUE;
1110  ctx->initial_pts[1] = AV_NOPTS_VALUE;
1111 
1112  nvenc_recalc_surfaces(avctx);
1113 
1114  nvenc_setup_rate_control(avctx);
1115 
1116  if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
1118  } else {
1120  }
1121 
1122  res = nvenc_setup_codec_config(avctx);
1123  if (res)
1124  return res;
1125 
1126  cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context);
1127  if (cu_res != CUDA_SUCCESS) {
1128  av_log(avctx, AV_LOG_ERROR, "cuCtxPushCurrent failed\n");
1129  return AVERROR_EXTERNAL;
1130  }
1131 
1132  nv_status = p_nvenc->nvEncInitializeEncoder(ctx->nvencoder, &ctx->init_encode_params);
1133 
1134  cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
1135  if (cu_res != CUDA_SUCCESS) {
1136  av_log(avctx, AV_LOG_ERROR, "cuCtxPopCurrent failed\n");
1137  return AVERROR_EXTERNAL;
1138  }
1139 
1140  if (nv_status != NV_ENC_SUCCESS) {
1141  return nvenc_print_error(avctx, nv_status, "InitializeEncoder failed");
1142  }
1143 
1144  if (ctx->encode_config.frameIntervalP > 1)
1145  avctx->has_b_frames = 2;
1146 
1147  if (ctx->encode_config.rcParams.averageBitRate > 0)
1149 
1150  cpb_props = ff_add_cpb_side_data(avctx);
1151  if (!cpb_props)
1152  return AVERROR(ENOMEM);
1153  cpb_props->max_bitrate = ctx->encode_config.rcParams.maxBitRate;
1154  cpb_props->avg_bitrate = avctx->bit_rate;
1155  cpb_props->buffer_size = ctx->encode_config.rcParams.vbvBufferSize;
1156 
1157  return 0;
1158 }
1159 
1161 {
1162  switch (pix_fmt) {
1163  case AV_PIX_FMT_YUV420P:
1165  case AV_PIX_FMT_NV12:
1167  case AV_PIX_FMT_P010:
1169  case AV_PIX_FMT_YUV444P:
1171  case AV_PIX_FMT_YUV444P16:
1173  case AV_PIX_FMT_0RGB32:
1175  case AV_PIX_FMT_0BGR32:
1177  default:
1179  }
1180 }
1181 
1182 static av_cold int nvenc_alloc_surface(AVCodecContext *avctx, int idx)
1183 {
1184  NvencContext *ctx = avctx->priv_data;
1186  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1187  NvencSurface* tmp_surface = &ctx->surfaces[idx];
1188 
1189  NVENCSTATUS nv_status;
1190  NV_ENC_CREATE_BITSTREAM_BUFFER allocOut = { 0 };
1192 
1193  if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
1194  ctx->surfaces[idx].in_ref = av_frame_alloc();
1195  if (!ctx->surfaces[idx].in_ref)
1196  return AVERROR(ENOMEM);
1197  } else {
1198  NV_ENC_CREATE_INPUT_BUFFER allocSurf = { 0 };
1199 
1201  if (ctx->surfaces[idx].format == NV_ENC_BUFFER_FORMAT_UNDEFINED) {
1202  av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format: %s\n",
1204  return AVERROR(EINVAL);
1205  }
1206 
1208  allocSurf.width = avctx->width;
1209  allocSurf.height = avctx->height;
1210  allocSurf.bufferFmt = ctx->surfaces[idx].format;
1211 
1212  nv_status = p_nvenc->nvEncCreateInputBuffer(ctx->nvencoder, &allocSurf);
1213  if (nv_status != NV_ENC_SUCCESS) {
1214  return nvenc_print_error(avctx, nv_status, "CreateInputBuffer failed");
1215  }
1216 
1217  ctx->surfaces[idx].input_surface = allocSurf.inputBuffer;
1218  ctx->surfaces[idx].width = allocSurf.width;
1219  ctx->surfaces[idx].height = allocSurf.height;
1220  }
1221 
1222  nv_status = p_nvenc->nvEncCreateBitstreamBuffer(ctx->nvencoder, &allocOut);
1223  if (nv_status != NV_ENC_SUCCESS) {
1224  int err = nvenc_print_error(avctx, nv_status, "CreateBitstreamBuffer failed");
1225  if (avctx->pix_fmt != AV_PIX_FMT_CUDA)
1226  p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->surfaces[idx].input_surface);
1227  av_frame_free(&ctx->surfaces[idx].in_ref);
1228  return err;
1229  }
1230 
1231  ctx->surfaces[idx].output_surface = allocOut.bitstreamBuffer;
1232  ctx->surfaces[idx].size = allocOut.size;
1233 
1234  av_fifo_generic_write(ctx->unused_surface_queue, &tmp_surface, sizeof(tmp_surface), NULL);
1235 
1236  return 0;
1237 }
1238 
1240 {
1241  NvencContext *ctx = avctx->priv_data;
1243  CUresult cu_res;
1244  CUcontext dummy;
1245  int i, res;
1246 
1247  ctx->surfaces = av_mallocz_array(ctx->nb_surfaces, sizeof(*ctx->surfaces));
1248  if (!ctx->surfaces)
1249  return AVERROR(ENOMEM);
1250 
1251  ctx->timestamp_list = av_fifo_alloc(ctx->nb_surfaces * sizeof(int64_t));
1252  if (!ctx->timestamp_list)
1253  return AVERROR(ENOMEM);
1254 
1256  if (!ctx->unused_surface_queue)
1257  return AVERROR(ENOMEM);
1258 
1260  if (!ctx->output_surface_queue)
1261  return AVERROR(ENOMEM);
1263  if (!ctx->output_surface_ready_queue)
1264  return AVERROR(ENOMEM);
1265 
1266  cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context);
1267  if (cu_res != CUDA_SUCCESS) {
1268  av_log(avctx, AV_LOG_ERROR, "cuCtxPushCurrent failed\n");
1269  return AVERROR_EXTERNAL;
1270  }
1271 
1272  for (i = 0; i < ctx->nb_surfaces; i++) {
1273  if ((res = nvenc_alloc_surface(avctx, i)) < 0)
1274  {
1275  cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
1276  if (cu_res != CUDA_SUCCESS) {
1277  av_log(avctx, AV_LOG_ERROR, "cuCtxPopCurrent failed\n");
1278  return AVERROR_EXTERNAL;
1279  }
1280  return res;
1281  }
1282  }
1283 
1284  cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
1285  if (cu_res != CUDA_SUCCESS) {
1286  av_log(avctx, AV_LOG_ERROR, "cuCtxPopCurrent failed\n");
1287  return AVERROR_EXTERNAL;
1288  }
1289 
1290  return 0;
1291 }
1292 
1294 {
1295  NvencContext *ctx = avctx->priv_data;
1297  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1298 
1299  NVENCSTATUS nv_status;
1300  uint32_t outSize = 0;
1301  char tmpHeader[256];
1302  NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = { 0 };
1304 
1305  payload.spsppsBuffer = tmpHeader;
1306  payload.inBufferSize = sizeof(tmpHeader);
1307  payload.outSPSPPSPayloadSize = &outSize;
1308 
1309  nv_status = p_nvenc->nvEncGetSequenceParams(ctx->nvencoder, &payload);
1310  if (nv_status != NV_ENC_SUCCESS) {
1311  return nvenc_print_error(avctx, nv_status, "GetSequenceParams failed");
1312  }
1313 
1314  avctx->extradata_size = outSize;
1316 
1317  if (!avctx->extradata) {
1318  return AVERROR(ENOMEM);
1319  }
1320 
1321  memcpy(avctx->extradata, tmpHeader, outSize);
1322 
1323  return 0;
1324 }
1325 
1327 {
1328  NvencContext *ctx = avctx->priv_data;
1330  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1331  CUresult cu_res;
1332  CUcontext dummy;
1333  int i;
1334 
1335  /* the encoder has to be flushed before it can be closed */
1336  if (ctx->nvencoder) {
1338  .encodePicFlags = NV_ENC_PIC_FLAG_EOS };
1339 
1340  cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context);
1341  if (cu_res != CUDA_SUCCESS) {
1342  av_log(avctx, AV_LOG_ERROR, "cuCtxPushCurrent failed\n");
1343  return AVERROR_EXTERNAL;
1344  }
1345 
1346  p_nvenc->nvEncEncodePicture(ctx->nvencoder, &params);
1347  }
1348 
1353 
1354  if (ctx->surfaces && avctx->pix_fmt == AV_PIX_FMT_CUDA) {
1355  for (i = 0; i < ctx->nb_surfaces; ++i) {
1356  if (ctx->surfaces[i].input_surface) {
1358  }
1359  }
1360  for (i = 0; i < ctx->nb_registered_frames; i++) {
1361  if (ctx->registered_frames[i].regptr)
1363  }
1364  ctx->nb_registered_frames = 0;
1365  }
1366 
1367  if (ctx->surfaces) {
1368  for (i = 0; i < ctx->nb_surfaces; ++i) {
1369  if (avctx->pix_fmt != AV_PIX_FMT_CUDA)
1370  p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->surfaces[i].input_surface);
1371  av_frame_free(&ctx->surfaces[i].in_ref);
1373  }
1374  }
1375  av_freep(&ctx->surfaces);
1376  ctx->nb_surfaces = 0;
1377 
1378  if (ctx->nvencoder) {
1379  p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
1380 
1381  cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
1382  if (cu_res != CUDA_SUCCESS) {
1383  av_log(avctx, AV_LOG_ERROR, "cuCtxPopCurrent failed\n");
1384  return AVERROR_EXTERNAL;
1385  }
1386  }
1387  ctx->nvencoder = NULL;
1388 
1389  if (ctx->cu_context_internal)
1391  ctx->cu_context = ctx->cu_context_internal = NULL;
1392 
1393  nvenc_free_functions(&dl_fn->nvenc_dl);
1394  cuda_free_functions(&dl_fn->cuda_dl);
1395 
1396  dl_fn->nvenc_device_count = 0;
1397 
1398  av_log(avctx, AV_LOG_VERBOSE, "Nvenc unloaded\n");
1399 
1400  return 0;
1401 }
1402 
1404 {
1405  NvencContext *ctx = avctx->priv_data;
1406  int ret;
1407 
1408  if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
1409  AVHWFramesContext *frames_ctx;
1410  if (!avctx->hw_frames_ctx) {
1411  av_log(avctx, AV_LOG_ERROR,
1412  "hw_frames_ctx must be set when using GPU frames as input\n");
1413  return AVERROR(EINVAL);
1414  }
1415  frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
1416  ctx->data_pix_fmt = frames_ctx->sw_format;
1417  } else {
1418  ctx->data_pix_fmt = avctx->pix_fmt;
1419  }
1420 
1421  if ((ret = nvenc_load_libraries(avctx)) < 0)
1422  return ret;
1423 
1424  if ((ret = nvenc_setup_device(avctx)) < 0)
1425  return ret;
1426 
1427  if ((ret = nvenc_setup_encoder(avctx)) < 0)
1428  return ret;
1429 
1430  if ((ret = nvenc_setup_surfaces(avctx)) < 0)
1431  return ret;
1432 
1433  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
1434  if ((ret = nvenc_setup_extradata(avctx)) < 0)
1435  return ret;
1436  }
1437 
1438  return 0;
1439 }
1440 
1442 {
1443  NvencSurface *tmp_surf;
1444 
1445  if (!(av_fifo_size(ctx->unused_surface_queue) > 0))
1446  // queue empty
1447  return NULL;
1448 
1449  av_fifo_generic_read(ctx->unused_surface_queue, &tmp_surf, sizeof(tmp_surf), NULL);
1450  return tmp_surf;
1451 }
1452 
1453 static int nvenc_copy_frame(AVCodecContext *avctx, NvencSurface *nv_surface,
1454  NV_ENC_LOCK_INPUT_BUFFER *lock_buffer_params, const AVFrame *frame)
1455 {
1456  int dst_linesize[4] = {
1457  lock_buffer_params->pitch,
1458  lock_buffer_params->pitch,
1459  lock_buffer_params->pitch,
1460  lock_buffer_params->pitch
1461  };
1462  uint8_t *dst_data[4];
1463  int ret;
1464 
1465  if (frame->format == AV_PIX_FMT_YUV420P)
1466  dst_linesize[1] = dst_linesize[2] >>= 1;
1467 
1468  ret = av_image_fill_pointers(dst_data, frame->format, nv_surface->height,
1469  lock_buffer_params->bufferDataPtr, dst_linesize);
1470  if (ret < 0)
1471  return ret;
1472 
1473  if (frame->format == AV_PIX_FMT_YUV420P)
1474  FFSWAP(uint8_t*, dst_data[1], dst_data[2]);
1475 
1476  av_image_copy(dst_data, dst_linesize,
1477  (const uint8_t**)frame->data, frame->linesize, frame->format,
1478  avctx->width, avctx->height);
1479 
1480  return 0;
1481 }
1482 
1484 {
1485  NvencContext *ctx = avctx->priv_data;
1487  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1488 
1489  int i;
1490 
1492  for (i = 0; i < ctx->nb_registered_frames; i++) {
1493  if (!ctx->registered_frames[i].mapped) {
1494  if (ctx->registered_frames[i].regptr) {
1495  p_nvenc->nvEncUnregisterResource(ctx->nvencoder,
1496  ctx->registered_frames[i].regptr);
1497  ctx->registered_frames[i].regptr = NULL;
1498  }
1499  return i;
1500  }
1501  }
1502  } else {
1503  return ctx->nb_registered_frames++;
1504  }
1505 
1506  av_log(avctx, AV_LOG_ERROR, "Too many registered CUDA frames\n");
1507  return AVERROR(ENOMEM);
1508 }
1509 
1511 {
1512  NvencContext *ctx = avctx->priv_data;
1514  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1515 
1516  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)frame->hw_frames_ctx->data;
1518  int i, idx, ret;
1519 
1520  for (i = 0; i < ctx->nb_registered_frames; i++) {
1521  if (ctx->registered_frames[i].ptr == (CUdeviceptr)frame->data[0])
1522  return i;
1523  }
1524 
1525  idx = nvenc_find_free_reg_resource(avctx);
1526  if (idx < 0)
1527  return idx;
1528 
1529  reg.version = NV_ENC_REGISTER_RESOURCE_VER;
1530  reg.resourceType = NV_ENC_INPUT_RESOURCE_TYPE_CUDADEVICEPTR;
1531  reg.width = frames_ctx->width;
1532  reg.height = frames_ctx->height;
1533  reg.pitch = frame->linesize[0];
1534  reg.resourceToRegister = frame->data[0];
1535 
1536  reg.bufferFormat = nvenc_map_buffer_format(frames_ctx->sw_format);
1537  if (reg.bufferFormat == NV_ENC_BUFFER_FORMAT_UNDEFINED) {
1538  av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format: %s\n",
1539  av_get_pix_fmt_name(frames_ctx->sw_format));
1540  return AVERROR(EINVAL);
1541  }
1542 
1543  ret = p_nvenc->nvEncRegisterResource(ctx->nvencoder, &reg);
1544  if (ret != NV_ENC_SUCCESS) {
1545  nvenc_print_error(avctx, ret, "Error registering an input resource");
1546  return AVERROR_UNKNOWN;
1547  }
1548 
1549  ctx->registered_frames[idx].ptr = (CUdeviceptr)frame->data[0];
1550  ctx->registered_frames[idx].regptr = reg.registeredResource;
1551  return idx;
1552 }
1553 
1555  NvencSurface *nvenc_frame)
1556 {
1557  NvencContext *ctx = avctx->priv_data;
1559  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1560 
1561  int res;
1562  NVENCSTATUS nv_status;
1563 
1564  if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
1565  int reg_idx = nvenc_register_frame(avctx, frame);
1566  if (reg_idx < 0) {
1567  av_log(avctx, AV_LOG_ERROR, "Could not register an input CUDA frame\n");
1568  return reg_idx;
1569  }
1570 
1571  res = av_frame_ref(nvenc_frame->in_ref, frame);
1572  if (res < 0)
1573  return res;
1574 
1576  nvenc_frame->in_map.registeredResource = ctx->registered_frames[reg_idx].regptr;
1577  nv_status = p_nvenc->nvEncMapInputResource(ctx->nvencoder, &nvenc_frame->in_map);
1578  if (nv_status != NV_ENC_SUCCESS) {
1579  av_frame_unref(nvenc_frame->in_ref);
1580  return nvenc_print_error(avctx, nv_status, "Error mapping an input resource");
1581  }
1582 
1583  ctx->registered_frames[reg_idx].mapped = 1;
1584  nvenc_frame->reg_idx = reg_idx;
1585  nvenc_frame->input_surface = nvenc_frame->in_map.mappedResource;
1586  nvenc_frame->format = nvenc_frame->in_map.mappedBufferFmt;
1587  nvenc_frame->pitch = frame->linesize[0];
1588  return 0;
1589  } else {
1590  NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 };
1591 
1592  lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
1593  lockBufferParams.inputBuffer = nvenc_frame->input_surface;
1594 
1595  nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams);
1596  if (nv_status != NV_ENC_SUCCESS) {
1597  return nvenc_print_error(avctx, nv_status, "Failed locking nvenc input buffer");
1598  }
1599 
1600  nvenc_frame->pitch = lockBufferParams.pitch;
1601  res = nvenc_copy_frame(avctx, nvenc_frame, &lockBufferParams, frame);
1602 
1603  nv_status = p_nvenc->nvEncUnlockInputBuffer(ctx->nvencoder, nvenc_frame->input_surface);
1604  if (nv_status != NV_ENC_SUCCESS) {
1605  return nvenc_print_error(avctx, nv_status, "Failed unlocking input buffer!");
1606  }
1607 
1608  return res;
1609  }
1610 }
1611 
1614 {
1615  NvencContext *ctx = avctx->priv_data;
1616 
1617  switch (avctx->codec->id) {
1618  case AV_CODEC_ID_H264:
1623  break;
1624  case AV_CODEC_ID_HEVC:
1629  break;
1630  }
1631 }
1632 
1633 static inline void timestamp_queue_enqueue(AVFifoBuffer* queue, int64_t timestamp)
1634 {
1635  av_fifo_generic_write(queue, &timestamp, sizeof(timestamp), NULL);
1636 }
1637 
1638 static inline int64_t timestamp_queue_dequeue(AVFifoBuffer* queue)
1639 {
1640  int64_t timestamp = AV_NOPTS_VALUE;
1641  if (av_fifo_size(queue) > 0)
1642  av_fifo_generic_read(queue, &timestamp, sizeof(timestamp), NULL);
1643 
1644  return timestamp;
1645 }
1646 
1649  AVPacket *pkt)
1650 {
1651  NvencContext *ctx = avctx->priv_data;
1652 
1653  pkt->pts = params->outputTimeStamp;
1654 
1655  /* generate the first dts by linearly extrapolating the
1656  * first two pts values to the past */
1657  if (avctx->max_b_frames > 0 && !ctx->first_packet_output &&
1658  ctx->initial_pts[1] != AV_NOPTS_VALUE) {
1659  int64_t ts0 = ctx->initial_pts[0], ts1 = ctx->initial_pts[1];
1660  int64_t delta;
1661 
1662  if ((ts0 < 0 && ts1 > INT64_MAX + ts0) ||
1663  (ts0 > 0 && ts1 < INT64_MIN + ts0))
1664  return AVERROR(ERANGE);
1665  delta = ts1 - ts0;
1666 
1667  if ((delta < 0 && ts0 > INT64_MAX + delta) ||
1668  (delta > 0 && ts0 < INT64_MIN + delta))
1669  return AVERROR(ERANGE);
1670  pkt->dts = ts0 - delta;
1671 
1672  ctx->first_packet_output = 1;
1673  return 0;
1674  }
1675 
1677 
1678  return 0;
1679 }
1680 
1682 {
1683  NvencContext *ctx = avctx->priv_data;
1685  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1686 
1687  uint32_t slice_mode_data;
1688  uint32_t *slice_offsets = NULL;
1689  NV_ENC_LOCK_BITSTREAM lock_params = { 0 };
1690  NVENCSTATUS nv_status;
1691  int res = 0;
1692 
1693  enum AVPictureType pict_type;
1694 
1695  switch (avctx->codec->id) {
1696  case AV_CODEC_ID_H264:
1698  break;
1699  case AV_CODEC_ID_H265:
1701  break;
1702  default:
1703  av_log(avctx, AV_LOG_ERROR, "Unknown codec name\n");
1704  res = AVERROR(EINVAL);
1705  goto error;
1706  }
1707  slice_offsets = av_mallocz(slice_mode_data * sizeof(*slice_offsets));
1708 
1709  if (!slice_offsets)
1710  goto error;
1711 
1712  lock_params.version = NV_ENC_LOCK_BITSTREAM_VER;
1713 
1714  lock_params.doNotWait = 0;
1715  lock_params.outputBitstream = tmpoutsurf->output_surface;
1716  lock_params.sliceOffsets = slice_offsets;
1717 
1718  nv_status = p_nvenc->nvEncLockBitstream(ctx->nvencoder, &lock_params);
1719  if (nv_status != NV_ENC_SUCCESS) {
1720  res = nvenc_print_error(avctx, nv_status, "Failed locking bitstream buffer");
1721  goto error;
1722  }
1723 
1724  if (res = ff_alloc_packet2(avctx, pkt, lock_params.bitstreamSizeInBytes,0)) {
1725  p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
1726  goto error;
1727  }
1728 
1729  memcpy(pkt->data, lock_params.bitstreamBufferPtr, lock_params.bitstreamSizeInBytes);
1730 
1731  nv_status = p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
1732  if (nv_status != NV_ENC_SUCCESS)
1733  nvenc_print_error(avctx, nv_status, "Failed unlocking bitstream buffer, expect the gates of mordor to open");
1734 
1735 
1736  if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
1737  p_nvenc->nvEncUnmapInputResource(ctx->nvencoder, tmpoutsurf->in_map.mappedResource);
1738  av_frame_unref(tmpoutsurf->in_ref);
1739  ctx->registered_frames[tmpoutsurf->reg_idx].mapped = 0;
1740 
1741  tmpoutsurf->input_surface = NULL;
1742  }
1743 
1744  switch (lock_params.pictureType) {
1745  case NV_ENC_PIC_TYPE_IDR:
1746  pkt->flags |= AV_PKT_FLAG_KEY;
1747  case NV_ENC_PIC_TYPE_I:
1748  pict_type = AV_PICTURE_TYPE_I;
1749  break;
1750  case NV_ENC_PIC_TYPE_P:
1751  pict_type = AV_PICTURE_TYPE_P;
1752  break;
1753  case NV_ENC_PIC_TYPE_B:
1754  pict_type = AV_PICTURE_TYPE_B;
1755  break;
1756  case NV_ENC_PIC_TYPE_BI:
1757  pict_type = AV_PICTURE_TYPE_BI;
1758  break;
1759  default:
1760  av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered, expect the output to be broken.\n");
1761  av_log(avctx, AV_LOG_ERROR, "Please report this error and include as much information on how to reproduce it as possible.\n");
1762  res = AVERROR_EXTERNAL;
1763  goto error;
1764  }
1765 
1766 #if FF_API_CODED_FRAME
1768  avctx->coded_frame->pict_type = pict_type;
1770 #endif
1771 
1773  (lock_params.frameAvgQP - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
1774 
1775  res = nvenc_set_timestamp(avctx, &lock_params, pkt);
1776  if (res < 0)
1777  goto error2;
1778 
1779  av_free(slice_offsets);
1780 
1781  return 0;
1782 
1783 error:
1785 
1786 error2:
1787  av_free(slice_offsets);
1788 
1789  return res;
1790 }
1791 
1792 static int output_ready(AVCodecContext *avctx, int flush)
1793 {
1794  NvencContext *ctx = avctx->priv_data;
1795  int nb_ready, nb_pending;
1796 
1797  /* when B-frames are enabled, we wait for two initial timestamps to
1798  * calculate the first dts */
1799  if (!flush && avctx->max_b_frames > 0 &&
1800  (ctx->initial_pts[0] == AV_NOPTS_VALUE || ctx->initial_pts[1] == AV_NOPTS_VALUE))
1801  return 0;
1802 
1803  nb_ready = av_fifo_size(ctx->output_surface_ready_queue) / sizeof(NvencSurface*);
1804  nb_pending = av_fifo_size(ctx->output_surface_queue) / sizeof(NvencSurface*);
1805  if (flush)
1806  return nb_ready > 0;
1807  return (nb_ready > 0) && (nb_ready + nb_pending >= ctx->async_depth);
1808 }
1809 
1811 {
1812  NVENCSTATUS nv_status;
1813  CUresult cu_res;
1814  CUcontext dummy;
1815  NvencSurface *tmp_out_surf, *in_surf;
1816  int res;
1817 
1818  NvencContext *ctx = avctx->priv_data;
1820  NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1821 
1822  NV_ENC_PIC_PARAMS pic_params = { 0 };
1823  pic_params.version = NV_ENC_PIC_PARAMS_VER;
1824 
1825  if (!ctx->cu_context || !ctx->nvencoder)
1826  return AVERROR(EINVAL);
1827 
1828  if (ctx->encoder_flushing)
1829  return AVERROR_EOF;
1830 
1831  if (frame) {
1832  in_surf = get_free_frame(ctx);
1833  if (!in_surf)
1834  return AVERROR(EAGAIN);
1835 
1836  cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context);
1837  if (cu_res != CUDA_SUCCESS) {
1838  av_log(avctx, AV_LOG_ERROR, "cuCtxPushCurrent failed\n");
1839  return AVERROR_EXTERNAL;
1840  }
1841 
1842  res = nvenc_upload_frame(avctx, frame, in_surf);
1843 
1844  cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
1845  if (cu_res != CUDA_SUCCESS) {
1846  av_log(avctx, AV_LOG_ERROR, "cuCtxPopCurrent failed\n");
1847  return AVERROR_EXTERNAL;
1848  }
1849 
1850  if (res)
1851  return res;
1852 
1853  pic_params.inputBuffer = in_surf->input_surface;
1854  pic_params.bufferFmt = in_surf->format;
1855  pic_params.inputWidth = in_surf->width;
1856  pic_params.inputHeight = in_surf->height;
1857  pic_params.inputPitch = in_surf->pitch;
1858  pic_params.outputBitstream = in_surf->output_surface;
1859 
1860  if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
1861  if (frame->top_field_first)
1863  else
1865  } else {
1867  }
1868 
1869  if (ctx->forced_idr >= 0 && frame->pict_type == AV_PICTURE_TYPE_I) {
1870  pic_params.encodePicFlags =
1872  } else {
1873  pic_params.encodePicFlags = 0;
1874  }
1875 
1876  pic_params.inputTimeStamp = frame->pts;
1877 
1878  nvenc_codec_specific_pic_params(avctx, &pic_params);
1879  } else {
1880  pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
1881  ctx->encoder_flushing = 1;
1882  }
1883 
1884  cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context);
1885  if (cu_res != CUDA_SUCCESS) {
1886  av_log(avctx, AV_LOG_ERROR, "cuCtxPushCurrent failed\n");
1887  return AVERROR_EXTERNAL;
1888  }
1889 
1890  nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params);
1891 
1892  cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
1893  if (cu_res != CUDA_SUCCESS) {
1894  av_log(avctx, AV_LOG_ERROR, "cuCtxPopCurrent failed\n");
1895  return AVERROR_EXTERNAL;
1896  }
1897 
1898  if (nv_status != NV_ENC_SUCCESS &&
1899  nv_status != NV_ENC_ERR_NEED_MORE_INPUT)
1900  return nvenc_print_error(avctx, nv_status, "EncodePicture failed!");
1901 
1902  if (frame) {
1903  av_fifo_generic_write(ctx->output_surface_queue, &in_surf, sizeof(in_surf), NULL);
1905 
1906  if (ctx->initial_pts[0] == AV_NOPTS_VALUE)
1907  ctx->initial_pts[0] = frame->pts;
1908  else if (ctx->initial_pts[1] == AV_NOPTS_VALUE)
1909  ctx->initial_pts[1] = frame->pts;
1910  }
1911 
1912  /* all the pending buffers are now ready for output */
1913  if (nv_status == NV_ENC_SUCCESS) {
1914  while (av_fifo_size(ctx->output_surface_queue) > 0) {
1915  av_fifo_generic_read(ctx->output_surface_queue, &tmp_out_surf, sizeof(tmp_out_surf), NULL);
1916  av_fifo_generic_write(ctx->output_surface_ready_queue, &tmp_out_surf, sizeof(tmp_out_surf), NULL);
1917  }
1918  }
1919 
1920  return 0;
1921 }
1922 
1924 {
1925  CUresult cu_res;
1926  CUcontext dummy;
1927  NvencSurface *tmp_out_surf;
1928  int res;
1929 
1930  NvencContext *ctx = avctx->priv_data;
1932 
1933  if (!ctx->cu_context || !ctx->nvencoder)
1934  return AVERROR(EINVAL);
1935 
1936  if (output_ready(avctx, ctx->encoder_flushing)) {
1937  av_fifo_generic_read(ctx->output_surface_ready_queue, &tmp_out_surf, sizeof(tmp_out_surf), NULL);
1938 
1939  cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context);
1940  if (cu_res != CUDA_SUCCESS) {
1941  av_log(avctx, AV_LOG_ERROR, "cuCtxPushCurrent failed\n");
1942  return AVERROR_EXTERNAL;
1943  }
1944 
1945  res = process_output_surface(avctx, pkt, tmp_out_surf);
1946 
1947  cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
1948  if (cu_res != CUDA_SUCCESS) {
1949  av_log(avctx, AV_LOG_ERROR, "cuCtxPopCurrent failed\n");
1950  return AVERROR_EXTERNAL;
1951  }
1952 
1953  if (res)
1954  return res;
1955 
1956  av_fifo_generic_write(ctx->unused_surface_queue, &tmp_out_surf, sizeof(tmp_out_surf), NULL);
1957  } else if (ctx->encoder_flushing) {
1958  return AVERROR_EOF;
1959  } else {
1960  return AVERROR(EAGAIN);
1961  }
1962 
1963  return 0;
1964 }
1965 
1967  const AVFrame *frame, int *got_packet)
1968 {
1969  NvencContext *ctx = avctx->priv_data;
1970  int res;
1971 
1972  if (!ctx->encoder_flushing) {
1973  res = ff_nvenc_send_frame(avctx, frame);
1974  if (res < 0)
1975  return res;
1976  }
1977 
1978  res = ff_nvenc_receive_packet(avctx, pkt);
1979  if (res == AVERROR(EAGAIN) || res == AVERROR_EOF) {
1980  *got_packet = 0;
1981  } else if (res < 0) {
1982  return res;
1983  } else {
1984  *got_packet = 1;
1985  }
1986 
1987  return 0;
1988 }
const GUID guid
Definition: nvenc.c:511
#define FF_PROFILE_H264_MAIN
Definition: avcodec.h:3307
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:1369
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:58
int no_scenecut
Definition: nvenc.h:151
PNVENCGETENCODEGUIDS nvEncGetEncodeGUIDs
[out]: Client should access NvEncGetEncodeGUIDs() API through this pointer.
Definition: nvEncodeAPI.h:3262
uint32_t idrPeriod
[in]: Specifies the IDR interval.
Definition: nvEncodeAPI.h:1219
Progressive frame.
Definition: nvEncodeAPI.h:276
#define NULL
Definition: coverity.c:32
tcuDeviceGetName * cuDeviceGetName
const struct AVCodec * codec
Definition: avcodec.h:1770
const char const char void * val
Definition: avisynth_c.h:771
PNVENCCREATEBITSTREAMBUFFER nvEncCreateBitstreamBuffer
[out]: Client should access NvEncCreateBitstreamBuffer() API through this pointer.
Definition: nvEncodeAPI.h:3272
BI type.
Definition: avutil.h:280
void * nvencoder
Definition: nvenc.h:137
av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
Definition: nvenc.c:1326
int twopass
Definition: nvenc.h:145
static enum AVPixelFormat pix_fmt
uint32_t vbvBufferSize
[in]: Specifies the VBV(HRD) buffer size.
Definition: nvEncodeAPI.h:1097
Field encoding bottom field first.
Definition: nvEncodeAPI.h:278
NV_ENC_BUFFER_FORMAT format
Definition: nvenc.h:47
NV_ENC_QP constQP
[in]: Specifies the initial QP to be used for encoding, these values would be used for all frames if ...
Definition: nvEncodeAPI.h:1094
uint32_t sliceModeData
[in]: Specifies the parameter needed for sliceMode.
Definition: nvEncodeAPI.h:1508
int height
Definition: nvenc.h:43
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
static av_cold int nvenc_setup_codec_config(AVCodecContext *avctx)
Definition: nvenc.c:1012
AVFifoBuffer * timestamp_list
Definition: nvenc.h:117
uint32_t encodeWidth
[in]: Specifies the encode width.
Definition: nvEncodeAPI.h:1397
uint32_t enableTemporalAQ
[in]: Set this to 1 to enable temporal AQ for H.264
Definition: nvEncodeAPI.h:1107
uint32_t pitch
[out]: Pitch of the locked input buffer.
Definition: nvEncodeAPI.h:1694
int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type)
Definition: avpacket.c:697
static void flush(AVCodecContext *avctx)
This indicates that the HW encoder is busy encoding and is unable to encode the input.
Definition: nvEncodeAPI.h:520
static const GUID NV_ENC_H264_PROFILE_HIGH_444_GUID
Definition: nvEncodeAPI.h:166
NvencFunctions * nvenc_dl
Definition: nvenc.h:54
static const GUID NV_ENC_HEVC_PROFILE_MAIN10_GUID
Definition: nvEncodeAPI.h:190
int mapped
Definition: nvenc.h:124
NV_ENC_REGISTERED_PTR registeredResource
[in]: The Registered resource handle obtained by calling NvEncRegisterInputResource.
Definition: nvEncodeAPI.h:1712
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
Definition: avcodec.h:917
static av_cold void set_vbr(AVCodecContext *avctx)
Definition: nvenc.c:579
Indicates end of the input stream.
Definition: nvEncodeAPI.h:574
AVFrame * in_ref
Definition: nvenc.h:39
This indicates that the NvEncRegisterResource API failed to register the resource.
Definition: nvEncodeAPI.h:548
GUID presetGUID
[in]: Specifies the preset for encoding.
Definition: nvEncodeAPI.h:1396
void * device
[in]: Pointer to client device.
Definition: nvEncodeAPI.h:1823
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:67
Indicates HW support for Weighted Predicition.
Definition: nvEncodeAPI.h:956
misc image utilities
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1826
#define RC_MODE_DEPRECATED
Definition: nvenc.h:33
Memory handling functions.
#define NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER
Macro for constructing the version field of _NV_ENC_SEQUENCE_PARAM_PAYLOAD.
Definition: nvEncodeAPI.h:1798
static av_cold int nvenc_setup_device(AVCodecContext *avctx)
Definition: nvenc.c:424
const char * desc
Definition: nvenc.c:60
void * outputBitstream
[in]: Pointer to the bitstream buffer being locked.
Definition: nvEncodeAPI.h:1658
uint32_t * sliceOffsets
[in,out]: Array which receives the slice offsets.
Definition: nvEncodeAPI.h:1659
uint32_t inBufferSize
[in]: Specifies the size of the spsppsBuffer provied by the client
Definition: nvEncodeAPI.h:1788
int max_bitrate
Maximum bitrate of the stream, in bits per second.
Definition: avcodec.h:1359
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:2047
NV_ENC_INPUT_PTR inputBuffer
[in]: Pointer to the input buffer to be locked, client should pass the pointer obtained from NvEncCre...
Definition: nvEncodeAPI.h:1692
int encoder_flushing
Definition: nvenc.h:119
NV_ENC_CONFIG_H264 h264Config
[in]: Specifies the H.264-specific encoder configuration.
Definition: nvEncodeAPI.h:1355
NV_ENC_MAP_INPUT_RESOURCE in_map
Definition: nvenc.h:40
int forced_idr
Definition: nvenc.h:152
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:2498
PNVENCGETENCODECAPS nvEncGetEncodeCaps
[out]: Client should access NvEncGetEncodeCaps() API through this pointer.
Definition: nvEncodeAPI.h:3265
int num
Numerator.
Definition: rational.h:59
#define NV_ENC_CREATE_INPUT_BUFFER_VER
NV_ENC_CREATE_INPUT_BUFFER struct version.
Definition: nvEncodeAPI.h:1008
uint32_t chromaFormatIDC
[in]: Specifies the chroma format.
Definition: nvEncodeAPI.h:1254
Forward predicted.
Definition: nvEncodeAPI.h:286
#define PRESET_ALIAS(alias, name,...)
Definition: nvenc.c:515
static av_cold int nvenc_setup_surfaces(AVCodecContext *avctx)
Definition: nvenc.c:1239
NV_ENCODE_API_FUNCTION_LIST nvenc_funcs
Definition: nvenc.h:56
NV_ENC_OUTPUT_PTR bitstreamBuffer
[out]: Pointer to the output bitstream buffer
Definition: nvEncodeAPI.h:1019
VBR, high quality (slower)
Definition: nvEncodeAPI.h:262
NvencDynLoadFunctions nvenc_dload_funcs
Definition: nvenc.h:104
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:2172
int width
The allocated dimensions of the frames in this pool.
Definition: hwcontext.h:226
int first_packet_output
Definition: nvenc.h:135
NV_ENCODE_API_FUNCTION_LIST.
Definition: nvEncodeAPI.h:3254
This indicates that one or more of the parameter passed to the API call is invalid.
Definition: nvEncodeAPI.h:447
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1989
uint32_t qpPrimeYZeroTransformBypassFlag
[in]: To enable lossless encode set this to 1, set QP to 0 and RC_mode to NV_ENC_PARAMS_RC_CONSTQP an...
Definition: nvEncodeAPI.h:1214
This indicates that the encoder device supplied by the client is not valid.
Definition: nvEncodeAPI.h:416
struct NvencContext::@114 registered_frames[MAX_REGISTERED_FRAMES]
NV_ENC_INPUT_PTR mappedResource
[out]: Mapped pointer corresponding to the registeredResource.
Definition: nvEncodeAPI.h:1713
This indicates that an unknown internal error has occurred.
Definition: nvEncodeAPI.h:531
int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
Definition: nvenc.c:1923
static const GUID NV_ENC_HEVC_PROFILE_FREXT_GUID
Definition: nvEncodeAPI.h:195
NV_ENC_H264_ADAPTIVE_TRANSFORM_MODE adaptiveTransformMode
[in]: Specifies the AdaptiveTransform Mode.
Definition: nvEncodeAPI.h:1225
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:222
static av_cold int nvenc_recalc_surfaces(AVCodecContext *avctx)
Definition: nvenc.c:686
static AVPacket pkt
int init_qp_b
Definition: nvenc.h:163
uint32_t height
[in]: Input buffer width
Definition: nvEncodeAPI.h:997
#define PRESET(name,...)
Definition: nvenc.c:518
NV_ENC_CODEC_PIC_PARAMS codecPicParams
[in]: Specifies the codec specific per-picture encoding parameters.
Definition: nvEncodeAPI.h:1594
int profile
profile
Definition: avcodec.h:3266
uint32_t enableAQ
[in]: Set this to 1 to enable adaptive quantization (Spatial).
Definition: nvEncodeAPI.h:1102
NV_ENC_PARAMS_FRAME_FIELD_MODE frameFieldMode
[in]: Specifies the frame/field mode.
Definition: nvEncodeAPI.h:1374
int preset
Definition: nvenc.h:139
float i_quant_offset
qscale offset between P and I-frames
Definition: avcodec.h:2105
static void nvenc_override_rate_control(AVCodecContext *avctx)
Definition: nvenc.c:655
static NvencSurface * get_free_frame(NvencContext *ctx)
Definition: nvenc.c:1441
static av_cold void nvenc_setup_rate_control(AVCodecContext *avctx)
Definition: nvenc.c:725
NV_ENC_QP maxQP
[in]: Specifies the maximum QP used for rate control.
Definition: nvEncodeAPI.h:1114
PNVENCUNLOCKINPUTBUFFER nvEncUnlockInputBuffer
[out]: Client should access NvEncUnlockInputBuffer() API through this pointer.
Definition: nvEncodeAPI.h:3278
10 bit Planar YUV444 [Y plane followed by U and V planes].
Definition: nvEncodeAPI.h:320
int pitch
Definition: nvenc.h:44
int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int(*func)(void *, void *, int))
Feed data from a user-supplied callback to an AVFifoBuffer.
Definition: fifo.c:122
Constant QP mode.
Definition: nvEncodeAPI.h:257
int nvenc_device_count
Definition: nvenc.h:57
#define FF_PROFILE_H264_HIGH_444_PREDICTIVE
Definition: avcodec.h:3317
NV_ENC_INPUT_PTR input_surface
Definition: nvenc.h:38
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1898
NVENCSTATUS nverr
Definition: nvenc.c:58
static const GUID NV_ENC_H264_PROFILE_MAIN_GUID
Definition: nvEncodeAPI.h:158
NV_ENC_QP initialRCQP
[in]: Specifies the initial QP used for rate control.
Definition: nvEncodeAPI.h:1115
Bi-directionally predicted with only Intra MBs.
Definition: nvEncodeAPI.h:290
NV_ENC_PARAMS_RC_MODE rateControlMode
[in]: Specifies the rate control mode.
Definition: nvEncodeAPI.h:1093
This indicates that an invalid struct version was used by the client.
Definition: nvEncodeAPI.h:491
AVBufferRef * hw_frames_ctx
For hwaccel-format frames, this should be a reference to the AVHWFramesContext describing the frame...
Definition: frame.h:538
int aq
Definition: nvenc.h:150
PNVENCDESTROYINPUTBUFFER nvEncDestroyInputBuffer
[out]: Client should access NvEncDestroyInputBuffer() API through this pointer.
Definition: nvEncodeAPI.h:3271
#define AV_PIX_FMT_P010
Definition: pixfmt.h:424
Creation parameters for input buffer.
Definition: nvEncodeAPI.h:993
CUcontext cu_context
Definition: nvenc.h:108
This indicates that API call returned with no errors.
Definition: nvEncodeAPI.h:400
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
Definition: encode.c:32
uint32_t strictGOPTarget
[in]: Set this to 1 to minimize GOP-to-GOP rate fluctuations
Definition: nvEncodeAPI.h:1110
NV_ENC_CONFIG_H264_VUI_PARAMETERS h264VUIParameters
[in]: Specifies the H264 video usability info pamameters
Definition: nvEncodeAPI.h:1246
#define FF_PROFILE_H264_BASELINE
Definition: avcodec.h:3305
PNVENCCREATEINPUTBUFFER nvEncCreateInputBuffer
[out]: Client should access NvEncCreateInputBuffer() API through this pointer.
Definition: nvEncodeAPI.h:3270
NV_ENC_CONFIG * encodeConfig
[in]: Specifies the advanced codec specific structure.
Definition: nvEncodeAPI.h:1414
#define DEFAULT
Definition: avdct.c:28
uint8_t
AVFifoBuffer * unused_surface_queue
Definition: nvenc.h:114
uint32_t inputWidth
[in]: Specifies the input buffer width
Definition: nvEncodeAPI.h:1581
#define av_cold
Definition: attributes.h:82
#define av_malloc(s)
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:150
Indicates HW support for field mode encoding.
Definition: nvEncodeAPI.h:688
PNVENCGETENCODEGUIDCOUNT nvEncGetEncodeGUIDCount
[out]: Client should access NvEncGetEncodeGUIDCount() API through this pointer.
Definition: nvEncodeAPI.h:3259
float delta
enum AVPixelFormat ff_nvenc_pix_fmts[]
Definition: nvenc.c:39
NV_ENC_PIC_PARAMS_HEVC hevcPicParams
[in]: HEVC encode picture params.
Definition: nvEncodeAPI.h:1570
float b_quant_factor
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q...
Definition: avcodec.h:2056
PNVENCLOCKBITSTREAM nvEncLockBitstream
[out]: Client should access NvEncLockBitstream() API through this pointer.
Definition: nvEncodeAPI.h:3275
int init_qp_p
Definition: nvenc.h:162
Indicates HW support for 10 bit encoding.
Definition: nvEncodeAPI.h:945
uint32_t colourMatrix
[in]: Specifies the matrix coefficients used in deriving the luma and chroma from the RGB primaries (...
Definition: nvEncodeAPI.h:1143
#define FF_PROFILE_HEVC_MAIN
Definition: avcodec.h:3354
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
Definition: frame.c:395
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:294
Input struct for querying Encoding capabilities.
Definition: nvEncodeAPI.h:979
Field encoding top field first.
Definition: nvEncodeAPI.h:277
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1876
#define NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER
Macro for constructing the version field of ::_NV_ENC_OPEN_ENCODE_SESSIONEX_PARAMS.
Definition: nvEncodeAPI.h:1830
float quality
Definition: nvenc.h:159
NV_ENC_INITIALIZE_PARAMS init_encode_params
Definition: nvenc.h:106
static AVFrame * frame
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:89
uint32_t maxNumRefFrames
[in]: Specifies the DPB size used for encoding.
Definition: nvEncodeAPI.h:1233
static av_cold int nvenc_alloc_surface(AVCodecContext *avctx, int idx)
Definition: nvenc.c:1182
NV_ENC_OUTPUT_PTR outputBitstream
[in]: Specifies the pointer to output buffer.
Definition: nvEncodeAPI.h:1589
uint32_t outputBufferingPeriodSEI
[in]: Set to 1 to write SEI buffering period syntax in the bitstream
Definition: nvEncodeAPI.h:1195
#define height
This indicates encode driver requires more input buffers to produce an output bitstream.
Definition: nvEncodeAPI.h:513
#define MAX_REGISTERED_FRAMES
Definition: nvenc.h:32
Indicates HW support for lossless encoding.
Definition: nvEncodeAPI.h:910
uint8_t * data
Definition: avcodec.h:1679
static av_cold int nvenc_setup_extradata(AVCodecContext *avctx)
Definition: nvenc.c:1293
static int flags
Definition: log.c:57
This indicates that the client is attempting to use a feature that is not available for the license t...
Definition: nvEncodeAPI.h:537
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:75
#define AVERROR_EOF
End of file.
Definition: error.h:55
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
Encode the current picture as an Intra picture.
Definition: nvEncodeAPI.h:569
Encode the current picture as an IDR picture.
Definition: nvEncodeAPI.h:570
NV_ENC_BUFFER_FORMAT
Input buffer formats.
Definition: nvEncodeAPI.h:311
static int nvenc_check_capabilities(AVCodecContext *avctx)
Definition: nvenc.c:243
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:392
static int nvenc_register_frame(AVCodecContext *avctx, const AVFrame *frame)
Definition: nvenc.c:1510
int buffer_size
The size of the buffer to which the ratecontrol is applied, in bits.
Definition: avcodec.h:1375
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
uint8_t targetQuality
[in]: Target CQ (Constant Quality) level for VBR mode (range 0-51 with 0-automatic) ...
Definition: nvEncodeAPI.h:1118
Undefined buffer format.
Definition: nvEncodeAPI.h:313
#define FF_PROFILE_HEVC_MAIN_10
Definition: avcodec.h:3355
tcuCtxPushCurrent_v2 * cuCtxPushCurrent
This indicates that the completion event passed in NvEncEncodePicture() API has not been registered w...
Definition: nvEncodeAPI.h:526
#define NV_ENC_MAP_INPUT_RESOURCE_VER
Macro for constructing the version field of _NV_ENC_MAP_INPUT_RESOURCE.
Definition: nvEncodeAPI.h:1720
uint32_t * outSPSPPSPayloadSize
[out]: Size of the sequence and picture header in bytes written by the NvEncodeAPI interface to the S...
Definition: nvEncodeAPI.h:1792
AVFifoBuffer * output_surface_ready_queue
Definition: nvenc.h:116
uint32_t apiVersion
[in]: API version.
Definition: nvEncodeAPI.h:1825
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:1394
This indicates that the NvEncLockBitstream() failed to lock the output buffer.
Definition: nvEncodeAPI.h:480
Variable bitrate mode.
Definition: nvEncodeAPI.h:258
#define av_log(a,...)
uint32_t enableInitialRCQP
[in]: Set this to 1 if user suppplied initial QP is used for rate control.
Definition: nvEncodeAPI.h:1101
PNVENCLOCKINPUTBUFFER nvEncLockInputBuffer
[out]: Client should access NvEncLockInputBuffer() API through this pointer.
Definition: nvEncodeAPI.h:3277
CUdeviceptr ptr
Definition: nvenc.h:122
CUcontext cu_context_internal
Definition: nvenc.h:109
An API-specific header for AV_HWDEVICE_TYPE_CUDA.
uint8_t targetQualityLSB
[in]: Fractional part of target quality (as 8.8 fixed point format)
Definition: nvEncodeAPI.h:1119
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1711
uint32_t outputBufferingPeriodSEI
[in]: Set 1 to write SEI buffering period syntax in the bitstream
Definition: nvEncodeAPI.h:1274
uint32_t inputPitch
[in]: Specifies the input buffer pitch.
Definition: nvEncodeAPI.h:1583
int async_depth
Definition: nvenc.h:148
uint32_t outputPictureTimingSEI
[in]: Set 1 to write SEI picture timing syntax in the bitstream
Definition: nvEncodeAPI.h:1275
enum AVCodecID id
Definition: avcodec.h:3753
uint32_t disableIadapt
[in]: Set this to 1 to disable adaptive I-frame insertion at scene cuts (only has an effect when look...
Definition: nvEncodeAPI.h:1105
PNVENCGETSEQUENCEPARAMS nvEncGetSequenceParams
[out]: Client should access NvEncGetSequenceParams() API through this pointer.
Definition: nvEncodeAPI.h:3280
NV_ENC_H264_ENTROPY_CODING_MODE entropyCodingMode
[in]: Specifies the entropy coding mode.
Definition: nvEncodeAPI.h:1228
uint32_t colourPrimaries
[in]: Specifies color primaries for converting to RGB(as defined in Annex E of the ITU-T Specificatio...
Definition: nvEncodeAPI.h:1141
static av_cold int nvenc_open_session(AVCodecContext *avctx)
Definition: nvenc.c:169
#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:2083
static const GUID NV_ENC_CODEC_H264_GUID
Definition: nvEncodeAPI.h:136
Indicates HW support for lookahead encoding (enableLookahead=1).
Definition: nvEncodeAPI.h:932
input resource type is a cuda device pointer surface
Definition: nvEncodeAPI.h:650
int coder
Definition: nvenc.h:167
static void timestamp_queue_enqueue(AVFifoBuffer *queue, int64_t timestamp)
Definition: nvenc.c:1633
static const struct @108 nvenc_errors[]
int rc
Definition: nvenc.h:143
NV_ENC_CONFIG presetCfg
[out]: preset config returned by the Nvidia Video Encoder interface.
Definition: nvEncodeAPI.h:1458
uint32_t chromaFormatIDC
[in]: Specifies the chroma format.
Definition: nvEncodeAPI.h:1287
#define NV_ENC_LOCK_BITSTREAM_VER
Macro for constructing the version field of _NV_ENC_LOCK_BITSTREAM.
Definition: nvEncodeAPI.h:1680
uint32_t colourDescriptionPresentFlag
[in]: If set to 1, it specifies that the colourPrimaries, transferCharacteristics and colourMatrix ar...
Definition: nvEncodeAPI.h:1140
#define AVERROR(e)
Definition: error.h:43
int nb_registered_frames
Definition: nvenc.h:126
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:163
int qmax
maximum quantizer
Definition: avcodec.h:2712
This indicates that the size of the user buffer passed by the client is insufficient for the requeste...
Definition: nvEncodeAPI.h:486
uint64_t inputTimeStamp
[in]: Specifies presentation timestamp associated with the input picture.
Definition: nvEncodeAPI.h:1586
uint32_t disableBadapt
[in]: Set this to 1 to disable adaptive B-frame decision (only has an effect when lookahead is enable...
Definition: nvEncodeAPI.h:1106
static int nvenc_map_error(NVENCSTATUS err, const char **desc)
Definition: nvenc.c:90
NV_ENC_CAPS capsToQuery
[in]: Specifies the encode capability to be queried.
Definition: nvEncodeAPI.h:982
int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void(*func)(void *, void *, int))
Feed data from an AVFifoBuffer to a user-supplied callback.
Definition: fifo.c:213
static const GUID NV_ENC_H264_PROFILE_BASELINE_GUID
Definition: nvEncodeAPI.h:154
uint32_t videoFullRangeFlag
[in]: Specifies the output range of the luma and chroma samples(as defined in Annex E of the ITU-T Sp...
Definition: nvEncodeAPI.h:1139
#define FF_PROFILE_H264_HIGH
Definition: avcodec.h:3309
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1856
GLenum GLint * params
Definition: opengl_enc.c:114
uint32_t bitstreamSizeInBytes
[out]: Actual number of bytes generated and copied to the memory pointed by bitstreamBufferPtr.
Definition: nvEncodeAPI.h:1663
NV_ENC_INPUT_PTR inputBuffer
[out]: Pointer to input buffer
Definition: nvEncodeAPI.h:1001
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:90
uint16_t width
Definition: gdv.c:47
simple assert() macros that are a bit more flexible than ISO C assert().
#define AV_PIX_FMT_0BGR32
Definition: pixfmt.h:358
PNVENCGETENCODEPRESETCONFIG nvEncGetEncodePresetConfig
[out]: Client should access NvEncGetEncodePresetConfig() API through this pointer.
Definition: nvEncodeAPI.h:3268
tcuInit * cuInit
This indicates that the client is attempting to unregister a resource that has not been successfully ...
Definition: nvEncodeAPI.h:554
float i_quant_factor
qscale factor between P- and I-frames If > 0 then the last P-frame quantizer will be used (q = lastp_...
Definition: avcodec.h:2098
uint32_t maxNumRefFramesInDPB
[in]: Specifies the maximum number of references frames in the DPB.
Definition: nvEncodeAPI.h:1294
uint32_t averageBitRate
[in]: Specifies the average bitrate(in bits/sec) used for encoding.
Definition: nvEncodeAPI.h:1095
int ff_nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
Definition: nvenc.c:1810
static av_cold int nvenc_setup_hevc_config(AVCodecContext *avctx)
Definition: nvenc.c:932
GLsizei count
Definition: opengl_enc.c:109
static NV_ENC_BUFFER_FORMAT nvenc_map_buffer_format(enum AVPixelFormat pix_fmt)
Definition: nvenc.c:1160
#define FFMAX(a, b)
Definition: common.h:94
NV_ENC_PIC_PARAMS_H264 h264PicParams
[in]: H264 encode picture params.
Definition: nvEncodeAPI.h:1569
static av_cold void set_constqp(AVCodecContext *avctx)
Definition: nvenc.c:546
PNVENCREGISTERRESOURCE nvEncRegisterResource
[out]: Client should access NvEncRegisterResource() API through this pointer.
Definition: nvEncodeAPI.h:3288
static void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.h:229
#define fail()
Definition: checkasm.h:109
void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4], const uint8_t *src_data[4], const int src_linesizes[4], enum AVPixelFormat pix_fmt, int width, int height)
Copy image in src_data to dst_data.
Definition: imgutils.c:385
int level
Definition: nvenc.h:141
uint32_t videoSignalTypePresentFlag
[in]: If set to 1, it specifies that the videoFormat, videoFullRangeFlag and colourDescriptionPresent...
Definition: nvEncodeAPI.h:1137
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1685
Encoder Session Creation parameters.
Definition: nvEncodeAPI.h:1819
int bluray_compat
Definition: nvenc.h:161
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:2739
int aq_strength
Definition: nvenc.h:158
static int nvenc_check_codec_support(AVCodecContext *avctx)
Definition: nvenc.c:190
8 bit Packed A8B8G8R8.
Definition: nvEncodeAPI.h:333
uint32_t enableWeightedPrediction
[in]: Set this to 1 to enable weighted prediction.
Definition: nvEncodeAPI.h:1410
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:1457
GUID profileGUID
[in]: Specifies the codec profile guid.
Definition: nvEncodeAPI.h:1370
uint32_t pixelBitDepthMinus8
[in]: Specifies pixel bit depth minus 8.
Definition: nvEncodeAPI.h:1288
uint32_t sliceMode
[in]: This parameter in conjunction with sliceModeData specifies the way in which the picture is divi...
Definition: nvEncodeAPI.h:1237
PNVENCENCODEPICTURE nvEncEncodePicture
[out]: Client should access NvEncEncodePicture() API through this pointer.
Definition: nvEncodeAPI.h:3274
int refs
number of reference frames
Definition: avcodec.h:2442
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:1787
int flags
Definition: nvenc.h:147
#define NVENCAPI_MAJOR_VERSION
Definition: nvEncodeAPI.h:116
uint32_t sliceMode
[in]: This parameter in conjunction with sliceModeData specifies the way in which the picture is divi...
Definition: nvEncodeAPI.h:1544
This indicates that the client is attempting to use a feature that is not implemented for the current...
Definition: nvEncodeAPI.h:543
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:284
10 bit Semi-Planar YUV [Y plane followed by interleaved UV plane].
Definition: nvEncodeAPI.h:319
static int nvenc_upload_frame(AVCodecContext *avctx, const AVFrame *frame, NvencSurface *nvenc_frame)
Definition: nvenc.c:1554
tcuCtxCreate_v2 * cuCtxCreate
uint32_t repeatSPSPPS
[in]: Set to 1 to enable writing of Sequence and Picture parameter for every IDR frame ...
Definition: nvEncodeAPI.h:1205
NV_ENC_REGISTERED_PTR regptr
Definition: nvenc.h:123
#define FFMIN(a, b)
Definition: common.h:96
static av_cold int nvenc_setup_encoder(AVCodecContext *avctx)
Definition: nvenc.c:1025
uint32_t qpInterB
Definition: nvEncodeAPI.h:1083
NV_ENC_BUFFER_FORMAT mappedBufferFmt
[out]: Buffer format of the outputResource.
Definition: nvEncodeAPI.h:1714
#define AVERROR_BUFFER_TOO_SMALL
Buffer too small.
Definition: error.h:51
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
Definition: hwcontext.h:146
PNVENCOPENENCODESESSIONEX nvEncOpenEncodeSessionEx
[out]: Client should access NvEncOpenEncodeSession() API through this pointer.
Definition: nvEncodeAPI.h:3287
NV_ENC_QP minQP
[in]: Specifies the minimum QP used for rate control.
Definition: nvEncodeAPI.h:1113
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:74
uint32_t encodePicFlags
[in]: Specifies bit-wise OR`ed encode pic flags.
Definition: nvEncodeAPI.h:1584
This indicates that device passed to the API call is invalid.
Definition: nvEncodeAPI.h:421
av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
Definition: nvenc.c:1403
This indicates that the client is attempting to unmap a resource that has not been successfully mappe...
Definition: nvEncodeAPI.h:560
static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencSurface *tmpoutsurf)
Definition: nvenc.c:1681
Maximum output height supported.
Definition: nvEncodeAPI.h:783
int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: nvenc.c:1966
Entropy coding mode is CABAC.
Definition: nvEncodeAPI.h:595
int width
picture width / height.
Definition: avcodec.h:1948
uint32_t idrPeriod
[in]: Specifies the IDR interval.
Definition: nvEncodeAPI.h:1290
AVBufferRef * hw_frames_ctx
A reference to the AVHWFramesContext describing the input (for encoding) or output (decoding) frames...
Definition: avcodec.h:3616
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:1580
#define NVENC_CAP
Definition: nvenc.c:34
uint16_t lookaheadDepth
[in]: Maximum depth of lookahead with range 0-32 (only used if enableLookahead=1) ...
Definition: nvEncodeAPI.h:1120
tNvEncodeAPICreateInstance * NvEncodeAPICreateInstance
uint32_t aqStrength
[in]: When AQ (Spatial) is enabled (i.e.
Definition: nvEncodeAPI.h:1111
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:1015
AVFormatContext * ctx
Definition: movenc.c:48
#define NV_ENCODE_API_FUNCTION_LIST_VER
Macro for constructing the version field of ::_NV_ENCODEAPI_FUNCTION_LIST.
Definition: nvEncodeAPI.h:3299
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:2477
uint32_t zeroReorderDelay
[in]: Set this to 1 to indicate zero latency operation (no reordering delay, num_reorder_frames=0) ...
Definition: nvEncodeAPI.h:1108
Intra predicted picture.
Definition: nvEncodeAPI.h:288
Maximum output width supported.
Definition: nvEncodeAPI.h:778
static int nvenc_copy_frame(AVCodecContext *avctx, NvencSurface *nv_surface, NV_ENC_LOCK_INPUT_BUFFER *lock_buffer_params, const AVFrame *frame)
Definition: nvenc.c:1453
#define IS_YUV444(pix_fmt)
Definition: nvenc.c:54
int dummy
Definition: motion.c:64
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1907
int profile
Definition: nvenc.h:140
PNVENCDESTROYBITSTREAMBUFFER nvEncDestroyBitstreamBuffer
[out]: Client should access NvEncDestroyBitstreamBuffer() API through this pointer.
Definition: nvEncodeAPI.h:3273
AVFifoBuffer * output_surface_queue
Definition: nvenc.h:115
#define NV_ENC_INITIALIZE_PARAMS_VER
macro for constructing the version field of _NV_ENC_INITIALIZE_PARAMS
Definition: nvEncodeAPI.h:1429
#define NV_ENC_PRESET_CONFIG_VER
macro for constructing the version field of _NV_ENC_PRESET_CONFIG
Definition: nvEncodeAPI.h:1464
8 bit Packed A8R8G8B8.
Definition: nvEncodeAPI.h:321
uint32_t maxBitRate
[in]: Specifies the maximum bitrate for the encoded output.
Definition: nvEncodeAPI.h:1096
static void nvenc_print_driver_requirement(AVCodecContext *avctx, int level)
Definition: nvenc.c:115
uint32_t enableLookahead
[in]: Set this to 1 to enable lookahead with depth <lookaheadDepth> (if lookahead is enabled...
Definition: nvEncodeAPI.h:1104
#define AVERROR_EXIT
Immediate exit was requested; the called function should not be restarted.
Definition: error.h:56
Constant bitrate mode.
Definition: nvEncodeAPI.h:259
HW acceleration through CUDA.
Definition: pixfmt.h:249
static void error(const char *err)
static av_cold int nvenc_setup_h264_config(AVCodecContext *avctx)
Definition: nvenc.c:844
#define FF_ARRAY_ELEMS(a)
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:510
uint32_t level
[in]: Specifies the encoding level.
Definition: nvEncodeAPI.h:1218
static int nvenc_print_error(void *log_ctx, NVENCSTATUS err, const char *error_string)
Definition: nvenc.c:105
NV_ENC_BUFFER_FORMAT bufferFmt
[in]: Input buffer format
Definition: nvEncodeAPI.h:999
CudaFunctions * cuda_dl
Definition: nvenc.h:53
enum AVPixelFormat data_pix_fmt
Definition: nvenc.h:130
#define IS_10BIT(pix_fmt)
Definition: nvenc.c:51
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:274
#define NV_ENC_CAPS_PARAM_VER
NV_ENC_CAPS_PARAM struct version.
Definition: nvEncodeAPI.h:987
PNVENCUNREGISTERRESOURCE nvEncUnregisterResource
[out]: Client should access NvEncUnregisterResource() API through this pointer.
Definition: nvEncodeAPI.h:3289
uint32_t inputHeight
[in]: Specifies the input buffer height
Definition: nvEncodeAPI.h:1582
This structure describes the bitrate properties of an encoded bitstream.
Definition: avcodec.h:1354
uint32_t qpInterP
Definition: nvEncodeAPI.h:1082
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
NV_ENC_CONFIG encode_config
Definition: nvenc.h:107
int av_image_fill_pointers(uint8_t *data[4], enum AVPixelFormat pix_fmt, int height, uint8_t *ptr, const int linesizes[4])
Fill plane data pointers for an image with pixel format pix_fmt and height height.
Definition: imgutils.c:111
uint32_t outputPictureTimingSEI
[in]: Set to 1 to write SEI picture timing syntax in the bitstream.
Definition: nvEncodeAPI.h:1196
int av_fifo_size(const AVFifoBuffer *f)
Return the amount of data in bytes in the AVFifoBuffer, that is the amount of data you can read from ...
Definition: fifo.c:77
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:232
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:995
uint32_t doNotWait
[in]: If this flag is set, the NvEncodeAPI interface will return buffer pointer even if operation is ...
Definition: nvEncodeAPI.h:1655
int strict_gop
Definition: nvenc.h:157
PNVENCMAPINPUTRESOURCE nvEncMapInputResource
[out]: Client should access NvEncMapInputResource() API through this pointer.
Definition: nvEncodeAPI.h:3283
encode device type is a cuda device
Definition: nvEncodeAPI.h:661
#define NVENCAPI_VERSION
Definition: nvEncodeAPI.h:119
void * bitstreamBufferPtr
[out]: Pointer to the generated output bitstream.
Definition: nvEncodeAPI.h:1666
int temporal_aq
Definition: nvenc.h:154
int64_t initial_pts[2]
Definition: nvenc.h:134
Creation parameters for output bitstream buffer.
Definition: nvEncodeAPI.h:1013
NV_ENC_H264_FMO_MODE fmoMode
[in]: Specified the FMO Mode.
Definition: nvEncodeAPI.h:1226
main external API structure.
Definition: avcodec.h:1761
uint32_t frameRateNum
[in]: Specifies the numerator for frame rate used for encoding in frames per second ( Frame rate = fr...
Definition: nvEncodeAPI.h:1401
uint8_t * data
The data buffer.
Definition: buffer.h:89
int qmin
minimum quantizer
Definition: avcodec.h:2705
#define BD
uint32_t frameAvgQP
[out]: Average QP of the frame.
Definition: nvEncodeAPI.h:1671
uint32_t disableSPSPPS
[in]: Set 1 to disable VPS,SPS and PPS signalling in the bitstream.
Definition: nvEncodeAPI.h:1284
Rate Control Configuration Paramters.
Definition: nvEncodeAPI.h:1090
int init_qp_i
Definition: nvenc.h:164
Indicates HW support for temporal AQ encoding (enableTemporalAQ=1).
Definition: nvEncodeAPI.h:939
int extradata_size
Definition: avcodec.h:1877
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
NV_ENC_RC_PARAMS rcParams
[in]: Specifies the rate control parameters for the current encoding session.
Definition: nvEncodeAPI.h:1378
This struct is allocated as AVHWDeviceContext.hwctx.
static int nvenc_check_cap(AVCodecContext *avctx, NV_ENC_CAPS cap)
Definition: nvenc.c:226
This indicates that one or more of the pointers passed to the API call is invalid.
Definition: nvEncodeAPI.h:435
GUID encodeGUID
[in]: Specifies the Encode GUID for which the encoder is being created.
Definition: nvEncodeAPI.h:1395
NV_ENC_INPUT_PTR inputBuffer
[in]: Specifies the input buffer pointer.
Definition: nvEncodeAPI.h:1588
uint32_t level
[in]: Specifies the level of the encoded bitstream.
Definition: nvEncodeAPI.h:1268
void * bufferDataPtr
[out]: Pointed to the locked input buffer data.
Definition: nvEncodeAPI.h:1693
uint32_t transferCharacteristics
[in]: Specifies the opto-electronic transfer characteristics to use (as defined in Annex E of the ITU...
Definition: nvEncodeAPI.h:1142
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:2491
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:2484
int width
Definition: nvenc.h:42
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:121
This indicates that an API call was made in wrong sequence/order.
Definition: nvEncodeAPI.h:452
Indicates HW support for YUV444 mode encoding.
Definition: nvEncodeAPI.h:903
#define NV_ENC_PIC_PARAMS_VER
Macro for constructing the version field of _NV_ENC_PIC_PARAMS.
Definition: nvEncodeAPI.h:1612
static void nvenc_codec_specific_pic_params(AVCodecContext *avctx, NV_ENC_PIC_PARAMS *params)
Definition: nvenc.c:1612
#define IS_CBR(rc)
Definition: nvenc.c:35
AVPictureType
Definition: avutil.h:272
int flags
Definition: nvenc.c:512
int nonref_p
Definition: nvenc.h:156
float b_quant_offset
qscale offset between IP and B-frames
Definition: avcodec.h:2075
uint32_t sliceModeData
[in]: Specifies the parameter needed for sliceMode.
Definition: nvEncodeAPI.h:1548
PNVENCUNMAPINPUTRESOURCE nvEncUnmapInputResource
[out]: Client should access NvEncUnmapInputResource() API through this pointer.
Definition: nvEncodeAPI.h:3284
int cbr
Definition: nvenc.h:144
static int nvenc_find_free_reg_resource(AVCodecContext *avctx)
Definition: nvenc.c:1483
uint32_t frameRateDen
[in]: Specifies the denominator for frame rate used for encoding in frames per second ( Frame rate = ...
Definition: nvEncodeAPI.h:1402
int averr
Definition: nvenc.c:59
NV_ENC_CONFIG_HEVC_VUI_PARAMETERS hevcVUIParameters
[in]: Specifies the HEVC video usability info pamameters
Definition: nvEncodeAPI.h:1310
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
Definition: frame.c:505
NV_ENC_CONFIG_HEVC hevcConfig
[in]: Specifies the HEVC-specific encoder configuration.
Definition: nvEncodeAPI.h:1356
int global_quality
Global quality for codecs which cannot change it per frame.
Definition: avcodec.h:1842
uint32_t gopLength
[in]: Specifies the number of pictures in one GOP.
Definition: nvEncodeAPI.h:1371
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:215
int reg_idx
Definition: nvenc.h:41
uint8_t level
Definition: svq3.c:207
uint32_t sliceModeData
[in]: Specifies the parameter needed for sliceMode.
Definition: nvEncodeAPI.h:1304
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:925
uint64_t outputTimeStamp
[out]: Presentation timestamp associated with the encoded output.
Definition: nvEncodeAPI.h:1664
This indicates that devices pass by the client is not supported.
Definition: nvEncodeAPI.h:410
IDR picture.
Definition: nvEncodeAPI.h:289
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1974
tcuDeviceGetCount * cuDeviceGetCount
#define NVENCAPI_MINOR_VERSION
Definition: nvEncodeAPI.h:117
static const GUID NV_ENC_HEVC_PROFILE_MAIN_GUID
Definition: nvEncodeAPI.h:186
uint32_t sliceMode
[in]: This parameter in conjunction with sliceModeData specifies the way in which the picture is divi...
Definition: nvEncodeAPI.h:1504
NV_ENC_CAPS
Encoder capabilities enumeration.
Definition: nvEncodeAPI.h:669
uint32_t sliceMode
[in]: This parameter in conjunction with sliceModeData specifies the way in which the picture is divi...
Definition: nvEncodeAPI.h:1301
Bi-directionally predicted picture.
Definition: nvEncodeAPI.h:287
int
This indicates that completion event passed in NvEncEncodePicture() call is invalid.
Definition: nvEncodeAPI.h:441
NV_ENC_PIC_TYPE pictureType
[out]: Picture type of the encoded picture.
Definition: nvEncodeAPI.h:1669
int b_adapt
Definition: nvenc.h:153
#define NV_ENC_REGISTER_RESOURCE_VER
Macro for constructing the version field of _NV_ENC_REGISTER_RESOURCE.
Definition: nvEncodeAPI.h:1757
static int64_t timestamp_queue_dequeue(AVFifoBuffer *queue)
Definition: nvenc.c:1638
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:83
common internal api header.
uint32_t tier
[in]: Specifies the level tier of the encoded bitstream.
Definition: nvEncodeAPI.h:1269
This indicates that an unsupported parameter was passed by the client.
Definition: nvEncodeAPI.h:471
NV_ENC_DEVICE_TYPE deviceType
[in]: Specified the device Type
Definition: nvEncodeAPI.h:1822
int weighted_pred
Definition: nvenc.h:166
int rc_lookahead
Definition: nvenc.h:149
uint32_t width
[in]: Input buffer width
Definition: nvEncodeAPI.h:996
static int output_ready(AVCodecContext *avctx, int flush)
Definition: nvenc.c:1792
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:1821
Bi-dir predicted.
Definition: avutil.h:276
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:76
PNVENCDESTROYENCODER nvEncDestroyEncoder
[out]: Client should access NvEncDestroyEncoder() API through this pointer.
Definition: nvEncodeAPI.h:3285
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:3183
NV_ENC_PIC_STRUCT pictureStruct
[in]: Specifies structure of the input picture.
Definition: nvEncodeAPI.h:1592
#define NV_ENC_PARAMS_RC_VBR_MINQP
Deprecated.
Definition: nvEncodeAPI.h:265
tcuCtxPopCurrent_v2 * cuCtxPopCurrent
static const GUID NV_ENC_CODEC_HEVC_GUID
Definition: nvEncodeAPI.h:140
int size
Definition: nvenc.h:48
NvencSurface * surfaces
Definition: nvenc.h:112
int den
Denominator.
Definition: rational.h:60
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
AVCPBProperties * ff_add_cpb_side_data(AVCodecContext *avctx)
Add a CPB properties side data to an encoding context.
Definition: utils.c:2212
uint32_t outputAUD
[in]: Set 1 to write Access Unit Delimiter syntax.
Definition: nvEncodeAPI.h:1276
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:777
#define NV_ENC_BUFFER_FORMAT_YV12_PL
Definition: nvEncodeAPI.h:344
uint32_t darWidth
[in]: Specifies the display aspect ratio Width.
Definition: nvEncodeAPI.h:1399
#define FF_PROFILE_HEVC_REXT
Definition: avcodec.h:3357
void * priv_data
Definition: avcodec.h:1803
tcuDeviceComputeCapability * cuDeviceComputeCapability
static int nvenc_set_timestamp(AVCodecContext *avctx, NV_ENC_LOCK_BITSTREAM *params, AVPacket *pkt)
Definition: nvenc.c:1647
#define av_free(p)
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
AVFifoBuffer * av_fifo_alloc(unsigned int size)
Initialize an AVFifoBuffer.
Definition: fifo.c:43
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:353
uint32_t repeatSPSPPS
[in]: Set 1 to output VPS,SPS and PPS for every IDR frame.
Definition: nvEncodeAPI.h:1285
static av_cold int nvenc_load_libraries(AVCodecContext *avctx)
Definition: nvenc.c:125
static av_cold int nvenc_check_device(AVCodecContext *avctx, int idx)
Definition: nvenc.c:329
int avg_bitrate
Average bitrate of the stream, in bits per second.
Definition: avcodec.h:1369
#define NV_ENC_BUFFER_FORMAT_NV12_PL
Definition: nvEncodeAPI.h:343
uint32_t enableMaxQP
[in]: Set this to 1 if maximum QP used for rate control.
Definition: nvEncodeAPI.h:1100
uint32_t sliceModeData
[in]: Specifies the parameter needed for sliceMode.
Definition: nvEncodeAPI.h:1241
low-delay CBR, high quality
Definition: nvEncodeAPI.h:260
int device
Definition: nvenc.h:146
uint32_t darHeight
[in]: Specifies the display aspect ratio height.
Definition: nvEncodeAPI.h:1400
uint32_t enableEncodeAsync
[in]: Set this to 1 to enable asynchronous mode and is expected to use events to get picture completi...
Definition: nvEncodeAPI.h:1403
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
Definition: avutil.h:227
#define NV_ENC_CREATE_BITSTREAM_BUFFER_VER
NV_ENC_CREATE_BITSTREAM_BUFFER struct version.
Definition: nvEncodeAPI.h:1026
uint32_t qpIntra
Definition: nvEncodeAPI.h:1084
tcuCtxDestroy_v2 * cuCtxDestroy
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:1709
static const GUID NV_ENC_H264_PROFILE_HIGH_GUID
Definition: nvEncodeAPI.h:162
int32_t frameIntervalP
[in]: Specifies the GOP pattern as follows: frameIntervalP = 0: I, 1: IPP, 2: IBP, 3: IBBP If goplength is set to NVENC_INFINITE_GOPLENGTH frameIntervalP should be set to 1.
Definition: nvEncodeAPI.h:1372
NV_ENC_BUFFER_FORMAT bufferFmt
[in]: Specifies the input buffer format.
Definition: nvEncodeAPI.h:1591
#define NV_ENC_CONFIG_VER
macro for constructing the version field of _NV_ENC_CONFIG
Definition: nvEncodeAPI.h:1385
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1678
PNVENCINITIALIZEENCODER nvEncInitializeEncoder
[out]: Client should access NvEncInitializeEncoder() API through this pointer.
Definition: nvEncodeAPI.h:3269
int nb_surfaces
Definition: nvenc.h:111
int aud
Definition: nvenc.h:160
uint32_t enablePTD
[in]: Set this to 1 to enable the Picture Type Decision is be taken by the NvEncodeAPI interface...
Definition: nvEncodeAPI.h:1404
int cqp
Definition: nvenc.h:165
#define av_freep(p)
#define AV_CODEC_ID_H265
Definition: avcodec.h:395
static av_cold void set_lossless(AVCodecContext *avctx)
Definition: nvenc.c:641
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:1654
uint32_t outputAUD
[in]: Set to 1 to write access unit delimiter syntax in bitstream
Definition: nvEncodeAPI.h:1198
void av_fifo_freep(AVFifoBuffer **f)
Free an AVFifoBuffer and reset pointer to NULL.
Definition: fifo.c:63
#define AV_LOG_FATAL
Something went wrong and recovery is not possible.
Definition: log.h:170
uint32_t enableMinQP
[in]: Set this to 1 if minimum QP used for rate control.
Definition: nvEncodeAPI.h:1099
CBR, high quality (slower)
Definition: nvEncodeAPI.h:261
PNVENCUNLOCKBITSTREAM nvEncUnlockBitstream
[out]: Client should access NvEncUnlockBitstream() API through this pointer.
Definition: nvEncodeAPI.h:3276
#define FFSWAP(type, a, b)
Definition: common.h:99
#define NV_ENC_BUFFER_FORMAT_YUV444_PL
Definition: nvEncodeAPI.h:346
uint32_t encodeHeight
[in]: Specifies the encode height.
Definition: nvEncodeAPI.h:1398
uint32_t enableNonRefP
[in]: Set this to 1 to enable automatic insertion of non-reference P-frames (no effect if enablePTD=0...
Definition: nvEncodeAPI.h:1109
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2335
int tier
Definition: nvenc.h:142
#define NV_ENC_LOCK_INPUT_BUFFER_VER
Macro for constructing the version field of _NV_ENC_LOCK_INPUT_BUFFER.
Definition: nvEncodeAPI.h:1700
AVBufferRef * hw_device_ctx
A reference to the AVHWDeviceContext describing the device which will be used by a hardware encoder/d...
Definition: avcodec.h:3668
void * spsppsBuffer
[in]: Specifies bitstream header pointer of size NV_ENC_SEQUENCE_PARAM_PAYLOAD::inBufferSize.
Definition: nvEncodeAPI.h:1791
tcuDeviceGet * cuDeviceGet
uint32_t videoFormat
[in]: Specifies the source video format(as defined in Annex E of the ITU-T Specification).
Definition: nvEncodeAPI.h:1138
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
Definition: hwcontext.h:219
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
This structure stores compressed data.
Definition: avcodec.h:1656
tNvEncodeAPIGetMaxSupportedVersion * NvEncodeAPIGetMaxSupportedVersion
uint32_t version
[in]: Client should pass NV_ENCODE_API_FUNCTION_LIST_VER.
Definition: nvEncodeAPI.h:3256
This indicates that the encoder has not been initialized with NvEncInitializeEncoder() or that initia...
Definition: nvEncodeAPI.h:466
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:981
NV_ENC_OUTPUT_PTR output_surface
Definition: nvenc.h:46
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1672
uint32_t disableSPSPPS
[in]: Set to 1 to disable writing of Sequence and Picture parameter info in bitstream ...
Definition: nvEncodeAPI.h:1199
for(j=16;j >0;--j)
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
Predicted.
Definition: avutil.h:275
static void nvenc_map_preset(NvencContext *ctx)
Definition: nvenc.c:520
This indicates that device passed to the API call is no longer available and needs to be reinitialize...
Definition: nvEncodeAPI.h:429
int zerolatency
Definition: nvenc.h:155
This indicates that no encode capable devices were detected.
Definition: nvEncodeAPI.h:405
#define AV_PIX_FMT_0RGB32
Definition: pixfmt.h:357
NVENCSTATUS
Error Codes.
Definition: nvEncodeAPI.h:395
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2762
Maximum number of B-Frames supported.
Definition: nvEncodeAPI.h:674
This indicates that NvEncMapInputResource() API failed to map the client provided input resource...
Definition: nvEncodeAPI.h:497
const char * name
Definition: opengl_enc.c:103
NV_ENC_CODEC_CONFIG encodeCodecConfig
[in]: Specifies the codec specific config parameters through this union.
Definition: nvEncodeAPI.h:1379
This indicates that the API call failed because it was unable to allocate enough memory to perform th...
Definition: nvEncodeAPI.h:458
uint32_t version
[in]: Struct version.
Definition: nvEncodeAPI.h:1689
Adaptive Transform 8x8 mode should be used.
Definition: nvEncodeAPI.h:627