2 * H.264 hardware encoding using nvidia nvenc
3 * Copyright (c) 2014 Timo Rothenpieler <timo@rothenpieler.org>
5 * This file is part of FFmpeg.
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.
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.
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
28 #include <nvEncodeAPI.h>
30 #include "libavutil/internal.h"
31 #include "libavutil/imgutils.h"
32 #include "libavutil/avassert.h"
33 #include "libavutil/opt.h"
34 #include "libavutil/mem.h"
40 #define CUDAAPI __stdcall
46 #define LOAD_FUNC(l, s) GetProcAddress(l, s)
47 #define DL_CLOSE_FUNC(l) FreeLibrary(l)
49 #define LOAD_FUNC(l, s) dlsym(l, s)
50 #define DL_CLOSE_FUNC(l) dlclose(l)
53 typedef enum cudaError_enum {
57 typedef void* CUcontext;
59 typedef CUresult(CUDAAPI *PCUINIT)(unsigned int Flags);
60 typedef CUresult(CUDAAPI *PCUDEVICEGETCOUNT)(int *count);
61 typedef CUresult(CUDAAPI *PCUDEVICEGET)(CUdevice *device, int ordinal);
62 typedef CUresult(CUDAAPI *PCUDEVICEGETNAME)(char *name, int len, CUdevice dev);
63 typedef CUresult(CUDAAPI *PCUDEVICECOMPUTECAPABILITY)(int *major, int *minor, CUdevice dev);
64 typedef CUresult(CUDAAPI *PCUCTXCREATE)(CUcontext *pctx, unsigned int flags, CUdevice dev);
65 typedef CUresult(CUDAAPI *PCUCTXPOPCURRENT)(CUcontext *pctx);
66 typedef CUresult(CUDAAPI *PCUCTXDESTROY)(CUcontext ctx);
68 typedef NVENCSTATUS (NVENCAPI* PNVENCODEAPICREATEINSTANCE)(NV_ENCODE_API_FUNCTION_LIST *functionList);
70 typedef struct NvencInputSurface
72 NV_ENC_INPUT_PTR input_surface;
78 NV_ENC_BUFFER_FORMAT format;
81 typedef struct NvencOutputSurface
83 NV_ENC_OUTPUT_PTR output_surface;
86 NvencInputSurface* input_surface;
91 typedef struct NvencData
95 NvencOutputSurface *surface;
99 typedef struct NvencDataList
108 typedef struct NvencDynLoadFunctions
111 PCUDEVICEGETCOUNT cu_device_get_count;
112 PCUDEVICEGET cu_device_get;
113 PCUDEVICEGETNAME cu_device_get_name;
114 PCUDEVICECOMPUTECAPABILITY cu_device_compute_capability;
115 PCUCTXCREATE cu_ctx_create;
116 PCUCTXPOPCURRENT cu_ctx_pop_current;
117 PCUCTXDESTROY cu_ctx_destroy;
119 NV_ENCODE_API_FUNCTION_LIST nvenc_funcs;
120 int nvenc_device_count;
121 CUdevice nvenc_devices[16];
130 } NvencDynLoadFunctions;
132 typedef struct NvencValuePair
138 typedef struct NvencContext
142 NvencDynLoadFunctions nvenc_dload_funcs;
144 NV_ENC_INITIALIZE_PARAMS init_encode_params;
145 NV_ENC_CONFIG encode_config;
146 CUcontext cu_context;
148 int max_surface_count;
149 NvencInputSurface *input_surfaces;
150 NvencOutputSurface *output_surfaces;
152 NvencDataList output_surface_queue;
153 NvencDataList output_surface_ready_queue;
154 NvencDataList timestamp_list;
168 static const NvencValuePair nvenc_h264_level_pairs[] = {
169 { "auto", NV_ENC_LEVEL_AUTOSELECT },
170 { "1" , NV_ENC_LEVEL_H264_1 },
171 { "1.0" , NV_ENC_LEVEL_H264_1 },
172 { "1b" , NV_ENC_LEVEL_H264_1b },
173 { "1.0b", NV_ENC_LEVEL_H264_1b },
174 { "1.1" , NV_ENC_LEVEL_H264_11 },
175 { "1.2" , NV_ENC_LEVEL_H264_12 },
176 { "1.3" , NV_ENC_LEVEL_H264_13 },
177 { "2" , NV_ENC_LEVEL_H264_2 },
178 { "2.0" , NV_ENC_LEVEL_H264_2 },
179 { "2.1" , NV_ENC_LEVEL_H264_21 },
180 { "2.2" , NV_ENC_LEVEL_H264_22 },
181 { "3" , NV_ENC_LEVEL_H264_3 },
182 { "3.0" , NV_ENC_LEVEL_H264_3 },
183 { "3.1" , NV_ENC_LEVEL_H264_31 },
184 { "3.2" , NV_ENC_LEVEL_H264_32 },
185 { "4" , NV_ENC_LEVEL_H264_4 },
186 { "4.0" , NV_ENC_LEVEL_H264_4 },
187 { "4.1" , NV_ENC_LEVEL_H264_41 },
188 { "4.2" , NV_ENC_LEVEL_H264_42 },
189 { "5" , NV_ENC_LEVEL_H264_5 },
190 { "5.0" , NV_ENC_LEVEL_H264_5 },
191 { "5.1" , NV_ENC_LEVEL_H264_51 },
195 static const NvencValuePair nvenc_hevc_level_pairs[] = {
196 { "auto", NV_ENC_LEVEL_AUTOSELECT },
197 { "1" , NV_ENC_LEVEL_HEVC_1 },
198 { "1.0" , NV_ENC_LEVEL_HEVC_1 },
199 { "2" , NV_ENC_LEVEL_HEVC_2 },
200 { "2.0" , NV_ENC_LEVEL_HEVC_2 },
201 { "2.1" , NV_ENC_LEVEL_HEVC_21 },
202 { "3" , NV_ENC_LEVEL_HEVC_3 },
203 { "3.0" , NV_ENC_LEVEL_HEVC_3 },
204 { "3.1" , NV_ENC_LEVEL_HEVC_31 },
205 { "4" , NV_ENC_LEVEL_HEVC_4 },
206 { "4.0" , NV_ENC_LEVEL_HEVC_4 },
207 { "4.1" , NV_ENC_LEVEL_HEVC_41 },
208 { "5" , NV_ENC_LEVEL_HEVC_5 },
209 { "5.0" , NV_ENC_LEVEL_HEVC_5 },
210 { "5.1" , NV_ENC_LEVEL_HEVC_51 },
211 { "5.2" , NV_ENC_LEVEL_HEVC_52 },
212 { "6" , NV_ENC_LEVEL_HEVC_6 },
213 { "6.0" , NV_ENC_LEVEL_HEVC_6 },
214 { "6.1" , NV_ENC_LEVEL_HEVC_61 },
215 { "6.2" , NV_ENC_LEVEL_HEVC_62 },
219 static int input_string_to_uint32(AVCodecContext *avctx, const NvencValuePair *pair, const char *input, uint32_t *output)
221 for (; pair->str; ++pair) {
222 if (!strcmp(input, pair->str)) {
228 return AVERROR(EINVAL);
231 static NvencData* data_queue_dequeue(NvencDataList* queue)
237 av_assert0(queue->size);
238 av_assert0(queue->data);
243 /* Size always is a multiple of two */
244 mask = queue->size - 1;
245 read_pos = (queue->pos - queue->count) & mask;
248 return &queue->data[read_pos];
251 static int data_queue_enqueue(NvencDataList* queue, NvencData *data)
253 NvencDataList new_queue;
258 /* size always has to be a multiple of two */
263 queue->data = av_malloc(queue->size * sizeof(*(queue->data)));
267 return AVERROR(ENOMEM);
271 if (queue->count == queue->size) {
272 new_queue.size = queue->size << 1;
275 new_queue.data = av_malloc(new_queue.size * sizeof(*(queue->data)));
278 return AVERROR(ENOMEM);
280 while (tmp_data = data_queue_dequeue(queue))
281 data_queue_enqueue(&new_queue, tmp_data);
283 av_free(queue->data);
287 mask = queue->size - 1;
289 queue->data[queue->pos] = *data;
290 queue->pos = (queue->pos + 1) & mask;
296 static int out_surf_queue_enqueue(NvencDataList* queue, NvencOutputSurface* surface)
299 data.u.surface = surface;
301 return data_queue_enqueue(queue, &data);
304 static NvencOutputSurface* out_surf_queue_dequeue(NvencDataList* queue)
306 NvencData* res = data_queue_dequeue(queue);
311 return res->u.surface;
314 static int timestamp_queue_enqueue(NvencDataList* queue, int64_t timestamp)
317 data.u.timestamp = timestamp;
319 return data_queue_enqueue(queue, &data);
322 static int64_t timestamp_queue_dequeue(NvencDataList* queue)
324 NvencData* res = data_queue_dequeue(queue);
327 return AV_NOPTS_VALUE;
329 return res->u.timestamp;
332 #define CHECK_LOAD_FUNC(t, f, s) \
334 (f) = (t)LOAD_FUNC(dl_fn->cuda_lib, s); \
336 av_log(avctx, AV_LOG_FATAL, "Failed loading %s from CUDA library\n", s); \
341 static av_cold int nvenc_dyload_cuda(AVCodecContext *avctx)
343 NvencContext *ctx = avctx->priv_data;
344 NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
350 dl_fn->cuda_lib = LoadLibrary(TEXT("nvcuda.dll"));
352 dl_fn->cuda_lib = dlopen("libcuda.so", RTLD_LAZY);
355 if (!dl_fn->cuda_lib) {
356 av_log(avctx, AV_LOG_FATAL, "Failed loading CUDA library\n");
360 CHECK_LOAD_FUNC(PCUINIT, dl_fn->cu_init, "cuInit");
361 CHECK_LOAD_FUNC(PCUDEVICEGETCOUNT, dl_fn->cu_device_get_count, "cuDeviceGetCount");
362 CHECK_LOAD_FUNC(PCUDEVICEGET, dl_fn->cu_device_get, "cuDeviceGet");
363 CHECK_LOAD_FUNC(PCUDEVICEGETNAME, dl_fn->cu_device_get_name, "cuDeviceGetName");
364 CHECK_LOAD_FUNC(PCUDEVICECOMPUTECAPABILITY, dl_fn->cu_device_compute_capability, "cuDeviceComputeCapability");
365 CHECK_LOAD_FUNC(PCUCTXCREATE, dl_fn->cu_ctx_create, "cuCtxCreate_v2");
366 CHECK_LOAD_FUNC(PCUCTXPOPCURRENT, dl_fn->cu_ctx_pop_current, "cuCtxPopCurrent_v2");
367 CHECK_LOAD_FUNC(PCUCTXDESTROY, dl_fn->cu_ctx_destroy, "cuCtxDestroy_v2");
374 DL_CLOSE_FUNC(dl_fn->cuda_lib);
376 dl_fn->cuda_lib = NULL;
381 static av_cold int check_cuda_errors(AVCodecContext *avctx, CUresult err, const char *func)
383 if (err != CUDA_SUCCESS) {
384 av_log(avctx, AV_LOG_FATAL, ">> %s - failed with error code 0x%x\n", func, err);
389 #define check_cuda_errors(f) if (!check_cuda_errors(avctx, f, #f)) goto error
391 static av_cold int nvenc_check_cuda(AVCodecContext *avctx)
393 int device_count = 0;
394 CUdevice cu_device = 0;
396 int smminor = 0, smmajor = 0;
397 int i, smver, target_smver;
399 NvencContext *ctx = avctx->priv_data;
400 NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
402 switch (avctx->codec->id) {
403 case AV_CODEC_ID_H264:
404 target_smver = avctx->pix_fmt == AV_PIX_FMT_YUV444P ? 0x52 : 0x30;
406 case AV_CODEC_ID_H265:
410 av_log(avctx, AV_LOG_FATAL, "nvenc: Unknown codec name\n");
414 if (!nvenc_dyload_cuda(avctx))
417 if (dl_fn->nvenc_device_count > 0)
420 check_cuda_errors(dl_fn->cu_init(0));
422 check_cuda_errors(dl_fn->cu_device_get_count(&device_count));
425 av_log(avctx, AV_LOG_FATAL, "No CUDA capable devices found\n");
429 av_log(avctx, AV_LOG_VERBOSE, "%d CUDA capable devices found\n", device_count);
431 dl_fn->nvenc_device_count = 0;
433 for (i = 0; i < device_count; ++i) {
434 check_cuda_errors(dl_fn->cu_device_get(&cu_device, i));
435 check_cuda_errors(dl_fn->cu_device_get_name(gpu_name, sizeof(gpu_name), cu_device));
436 check_cuda_errors(dl_fn->cu_device_compute_capability(&smmajor, &smminor, cu_device));
438 smver = (smmajor << 4) | smminor;
440 av_log(avctx, AV_LOG_VERBOSE, "[ GPU #%d - < %s > has Compute SM %d.%d, NVENC %s ]\n", i, gpu_name, smmajor, smminor, (smver >= target_smver) ? "Available" : "Not Available");
442 if (smver >= target_smver)
443 dl_fn->nvenc_devices[dl_fn->nvenc_device_count++] = cu_device;
446 if (!dl_fn->nvenc_device_count) {
447 av_log(avctx, AV_LOG_FATAL, "No NVENC capable devices found\n");
455 dl_fn->nvenc_device_count = 0;
460 static av_cold int nvenc_dyload_nvenc(AVCodecContext *avctx)
462 PNVENCODEAPICREATEINSTANCE nvEncodeAPICreateInstance = 0;
463 NVENCSTATUS nvstatus;
465 NvencContext *ctx = avctx->priv_data;
466 NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
468 if (!nvenc_check_cuda(avctx))
471 if (dl_fn->nvenc_lib)
475 if (sizeof(void*) == 8) {
476 dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI64.dll"));
478 dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI.dll"));
481 dl_fn->nvenc_lib = dlopen("libnvidia-encode.so.1", RTLD_LAZY);
484 if (!dl_fn->nvenc_lib) {
485 av_log(avctx, AV_LOG_FATAL, "Failed loading the nvenc library\n");
489 nvEncodeAPICreateInstance = (PNVENCODEAPICREATEINSTANCE)LOAD_FUNC(dl_fn->nvenc_lib, "NvEncodeAPICreateInstance");
491 if (!nvEncodeAPICreateInstance) {
492 av_log(avctx, AV_LOG_FATAL, "Failed to load nvenc entrypoint\n");
496 dl_fn->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER;
498 nvstatus = nvEncodeAPICreateInstance(&dl_fn->nvenc_funcs);
500 if (nvstatus != NV_ENC_SUCCESS) {
501 av_log(avctx, AV_LOG_FATAL, "Failed to create nvenc instance\n");
505 av_log(avctx, AV_LOG_VERBOSE, "Nvenc initialized successfully\n");
510 if (dl_fn->nvenc_lib)
511 DL_CLOSE_FUNC(dl_fn->nvenc_lib);
513 dl_fn->nvenc_lib = NULL;
518 static av_cold void nvenc_unload_nvenc(AVCodecContext *avctx)
520 NvencContext *ctx = avctx->priv_data;
521 NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
523 DL_CLOSE_FUNC(dl_fn->nvenc_lib);
524 dl_fn->nvenc_lib = NULL;
526 dl_fn->nvenc_device_count = 0;
528 DL_CLOSE_FUNC(dl_fn->cuda_lib);
529 dl_fn->cuda_lib = NULL;
531 dl_fn->cu_init = NULL;
532 dl_fn->cu_device_get_count = NULL;
533 dl_fn->cu_device_get = NULL;
534 dl_fn->cu_device_get_name = NULL;
535 dl_fn->cu_device_compute_capability = NULL;
536 dl_fn->cu_ctx_create = NULL;
537 dl_fn->cu_ctx_pop_current = NULL;
538 dl_fn->cu_ctx_destroy = NULL;
540 av_log(avctx, AV_LOG_VERBOSE, "Nvenc unloaded\n");
543 static av_cold int nvenc_encode_init(AVCodecContext *avctx)
545 NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS encode_session_params = { 0 };
546 NV_ENC_PRESET_CONFIG preset_config = { 0 };
547 CUcontext cu_context_curr;
549 GUID encoder_preset = NV_ENC_PRESET_HQ_GUID;
551 NVENCSTATUS nv_status = NV_ENC_SUCCESS;
552 int surfaceCount = 0;
559 NvencContext *ctx = avctx->priv_data;
560 NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
561 NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
563 if (!nvenc_dyload_nvenc(avctx))
564 return AVERROR_EXTERNAL;
566 avctx->coded_frame = av_frame_alloc();
567 if (!avctx->coded_frame) {
568 res = AVERROR(ENOMEM);
572 ctx->last_dts = AV_NOPTS_VALUE;
574 ctx->encode_config.version = NV_ENC_CONFIG_VER;
575 ctx->init_encode_params.version = NV_ENC_INITIALIZE_PARAMS_VER;
576 preset_config.version = NV_ENC_PRESET_CONFIG_VER;
577 preset_config.presetCfg.version = NV_ENC_CONFIG_VER;
578 encode_session_params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER;
579 encode_session_params.apiVersion = NVENCAPI_VERSION;
581 if (ctx->gpu >= dl_fn->nvenc_device_count) {
582 av_log(avctx, AV_LOG_FATAL, "Requested GPU %d, but only %d GPUs are available!\n", ctx->gpu, dl_fn->nvenc_device_count);
583 res = AVERROR(EINVAL);
587 ctx->cu_context = NULL;
588 cu_res = dl_fn->cu_ctx_create(&ctx->cu_context, 0, dl_fn->nvenc_devices[ctx->gpu]);
590 if (cu_res != CUDA_SUCCESS) {
591 av_log(avctx, AV_LOG_FATAL, "Failed creating CUDA context for NVENC: 0x%x\n", (int)cu_res);
592 res = AVERROR_EXTERNAL;
596 cu_res = dl_fn->cu_ctx_pop_current(&cu_context_curr);
598 if (cu_res != CUDA_SUCCESS) {
599 av_log(avctx, AV_LOG_FATAL, "Failed popping CUDA context: 0x%x\n", (int)cu_res);
600 res = AVERROR_EXTERNAL;
604 encode_session_params.device = ctx->cu_context;
605 encode_session_params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
607 nv_status = p_nvenc->nvEncOpenEncodeSessionEx(&encode_session_params, &ctx->nvencoder);
608 if (nv_status != NV_ENC_SUCCESS) {
609 ctx->nvencoder = NULL;
610 av_log(avctx, AV_LOG_FATAL, "OpenEncodeSessionEx failed: 0x%x - invalid license key?\n", (int)nv_status);
611 res = AVERROR_EXTERNAL;
616 if (!strcmp(ctx->preset, "hp")) {
617 encoder_preset = NV_ENC_PRESET_HP_GUID;
618 } else if (!strcmp(ctx->preset, "hq")) {
619 encoder_preset = NV_ENC_PRESET_HQ_GUID;
620 } else if (!strcmp(ctx->preset, "bd")) {
621 encoder_preset = NV_ENC_PRESET_BD_GUID;
622 } else if (!strcmp(ctx->preset, "ll")) {
623 encoder_preset = NV_ENC_PRESET_LOW_LATENCY_DEFAULT_GUID;
625 } else if (!strcmp(ctx->preset, "llhp")) {
626 encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HP_GUID;
628 } else if (!strcmp(ctx->preset, "llhq")) {
629 encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HQ_GUID;
631 } else if (!strcmp(ctx->preset, "lossless")) {
632 encoder_preset = NV_ENC_PRESET_LOSSLESS_DEFAULT_GUID;
634 } else if (!strcmp(ctx->preset, "losslesshp")) {
635 encoder_preset = NV_ENC_PRESET_LOSSLESS_HP_GUID;
637 } else if (!strcmp(ctx->preset, "default")) {
638 encoder_preset = NV_ENC_PRESET_DEFAULT_GUID;
640 av_log(avctx, AV_LOG_FATAL, "Preset \"%s\" is unknown! Supported presets: hp, hq, bd, ll, llhp, llhq, lossless, losslesshp, default\n", ctx->preset);
641 res = AVERROR(EINVAL);
646 switch (avctx->codec->id) {
647 case AV_CODEC_ID_H264:
648 codec = NV_ENC_CODEC_H264_GUID;
650 case AV_CODEC_ID_H265:
651 codec = NV_ENC_CODEC_HEVC_GUID;
654 av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
655 res = AVERROR(EINVAL);
659 nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder, codec, encoder_preset, &preset_config);
660 if (nv_status != NV_ENC_SUCCESS) {
661 av_log(avctx, AV_LOG_FATAL, "GetEncodePresetConfig failed: 0x%x\n", (int)nv_status);
662 res = AVERROR_EXTERNAL;
666 ctx->init_encode_params.encodeGUID = codec;
667 ctx->init_encode_params.encodeHeight = avctx->height;
668 ctx->init_encode_params.encodeWidth = avctx->width;
670 if (avctx->sample_aspect_ratio.num && avctx->sample_aspect_ratio.den &&
671 (avctx->sample_aspect_ratio.num != 1 || avctx->sample_aspect_ratio.num != 1)) {
673 avctx->width * avctx->sample_aspect_ratio.num,
674 avctx->height * avctx->sample_aspect_ratio.den,
676 ctx->init_encode_params.darHeight = dh;
677 ctx->init_encode_params.darWidth = dw;
679 ctx->init_encode_params.darHeight = avctx->height;
680 ctx->init_encode_params.darWidth = avctx->width;
683 // De-compensate for hardware, dubiously, trying to compensate for
684 // playback at 704 pixel width.
685 if (avctx->width == 720 &&
686 (avctx->height == 480 || avctx->height == 576)) {
688 ctx->init_encode_params.darWidth * 44,
689 ctx->init_encode_params.darHeight * 45,
691 ctx->init_encode_params.darHeight = dh;
692 ctx->init_encode_params.darWidth = dw;
695 ctx->init_encode_params.frameRateNum = avctx->time_base.den;
696 ctx->init_encode_params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame;
698 num_mbs = ((avctx->width + 15) >> 4) * ((avctx->height + 15) >> 4);
699 ctx->max_surface_count = (num_mbs >= 8160) ? 32 : 48;
701 ctx->init_encode_params.enableEncodeAsync = 0;
702 ctx->init_encode_params.enablePTD = 1;
704 ctx->init_encode_params.presetGUID = encoder_preset;
706 ctx->init_encode_params.encodeConfig = &ctx->encode_config;
707 memcpy(&ctx->encode_config, &preset_config.presetCfg, sizeof(ctx->encode_config));
708 ctx->encode_config.version = NV_ENC_CONFIG_VER;
710 if (avctx->refs >= 0) {
711 /* 0 means "let the hardware decide" */
712 switch (avctx->codec->id) {
713 case AV_CODEC_ID_H264:
714 ctx->encode_config.encodeCodecConfig.h264Config.maxNumRefFrames = avctx->refs;
716 case AV_CODEC_ID_H265:
717 ctx->encode_config.encodeCodecConfig.hevcConfig.maxNumRefFramesInDPB = avctx->refs;
719 /* Earlier switch/case will return if unknown codec is passed. */
723 if (avctx->gop_size > 0) {
724 if (avctx->max_b_frames >= 0) {
725 /* 0 is intra-only, 1 is I/P only, 2 is one B Frame, 3 two B frames, and so on. */
726 ctx->encode_config.frameIntervalP = avctx->max_b_frames + 1;
729 ctx->encode_config.gopLength = avctx->gop_size;
730 switch (avctx->codec->id) {
731 case AV_CODEC_ID_H264:
732 ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = avctx->gop_size;
734 case AV_CODEC_ID_H265:
735 ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = avctx->gop_size;
737 /* Earlier switch/case will return if unknown codec is passed. */
739 } else if (avctx->gop_size == 0) {
740 ctx->encode_config.frameIntervalP = 0;
741 ctx->encode_config.gopLength = 1;
742 switch (avctx->codec->id) {
743 case AV_CODEC_ID_H264:
744 ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = 1;
746 case AV_CODEC_ID_H265:
747 ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = 1;
749 /* Earlier switch/case will return if unknown codec is passed. */
753 /* when there're b frames, set dts offset */
754 if (ctx->encode_config.frameIntervalP >= 2)
757 if (avctx->bit_rate > 0)
758 ctx->encode_config.rcParams.averageBitRate = avctx->bit_rate;
760 if (avctx->rc_max_rate > 0)
761 ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate;
764 ctx->encode_config.encodeCodecConfig.h264Config.qpPrimeYZeroTransformBypassFlag = 1;
765 ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
766 ctx->encode_config.rcParams.constQP.qpInterB = 0;
767 ctx->encode_config.rcParams.constQP.qpInterP = 0;
768 ctx->encode_config.rcParams.constQP.qpIntra = 0;
772 } else if (ctx->cbr) {
774 ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
775 } else if (ctx->twopass == 1 || isLL) {
776 ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_QUALITY;
778 if (avctx->codec->id == AV_CODEC_ID_H264) {
779 ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE;
780 ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE;
784 av_log(avctx, AV_LOG_WARNING, "Twopass mode is only known to work with low latency (ll, llhq, llhp) presets.\n");
786 ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
788 } else if (avctx->global_quality > 0) {
789 ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
790 ctx->encode_config.rcParams.constQP.qpInterB = avctx->global_quality;
791 ctx->encode_config.rcParams.constQP.qpInterP = avctx->global_quality;
792 ctx->encode_config.rcParams.constQP.qpIntra = avctx->global_quality;
796 } else if (avctx->qmin >= 0 && avctx->qmax >= 0) {
797 ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR;
799 ctx->encode_config.rcParams.enableMinQP = 1;
800 ctx->encode_config.rcParams.enableMaxQP = 1;
802 ctx->encode_config.rcParams.minQP.qpInterB = avctx->qmin;
803 ctx->encode_config.rcParams.minQP.qpInterP = avctx->qmin;
804 ctx->encode_config.rcParams.minQP.qpIntra = avctx->qmin;
806 ctx->encode_config.rcParams.maxQP.qpInterB = avctx->qmax;
807 ctx->encode_config.rcParams.maxQP.qpInterP = avctx->qmax;
808 ctx->encode_config.rcParams.maxQP.qpIntra = avctx->qmax;
811 if (avctx->rc_buffer_size > 0)
812 ctx->encode_config.rcParams.vbvBufferSize = avctx->rc_buffer_size;
814 if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
815 ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD;
817 ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME;
820 switch (avctx->codec->id) {
821 case AV_CODEC_ID_H264:
822 ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourDescriptionPresentFlag = 1;
823 ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoSignalTypePresentFlag = 1;
825 ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourMatrix = avctx->colorspace;
826 ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourPrimaries = avctx->color_primaries;
827 ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.transferCharacteristics = avctx->color_trc;
829 ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFullRangeFlag = avctx->color_range == AVCOL_RANGE_JPEG;
831 ctx->encode_config.encodeCodecConfig.h264Config.disableSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
832 ctx->encode_config.encodeCodecConfig.h264Config.repeatSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
835 switch (avctx->profile) {
836 case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
837 ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
839 case FF_PROFILE_H264_BASELINE:
840 ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
842 case FF_PROFILE_H264_MAIN:
843 ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
845 case FF_PROFILE_H264_HIGH:
846 case FF_PROFILE_UNKNOWN:
847 ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
850 av_log(avctx, AV_LOG_WARNING, "Unsupported profile requested, falling back to high\n");
851 ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
855 if (!strcmp(ctx->profile, "high")) {
856 ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
857 avctx->profile = FF_PROFILE_H264_HIGH;
858 } else if (!strcmp(ctx->profile, "main")) {
859 ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
860 avctx->profile = FF_PROFILE_H264_MAIN;
861 } else if (!strcmp(ctx->profile, "baseline")) {
862 ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
863 avctx->profile = FF_PROFILE_H264_BASELINE;
864 } else if (!strcmp(ctx->profile, "high444p")) {
865 ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
866 avctx->profile = FF_PROFILE_H264_HIGH_444_PREDICTIVE;
868 av_log(avctx, AV_LOG_FATAL, "Profile \"%s\" is unknown! Supported profiles: high, main, baseline\n", ctx->profile);
869 res = AVERROR(EINVAL);
874 ctx->encode_config.encodeCodecConfig.h264Config.chromaFormatIDC = avctx->profile == FF_PROFILE_H264_HIGH_444_PREDICTIVE ? 3 : 1;
877 res = input_string_to_uint32(avctx, nvenc_h264_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.h264Config.level);
880 av_log(avctx, AV_LOG_FATAL, "Level \"%s\" is unknown! Supported levels: auto, 1, 1b, 1.1, 1.2, 1.3, 2, 2.1, 2.2, 3, 3.1, 3.2, 4, 4.1, 4.2, 5, 5.1\n", ctx->level);
884 ctx->encode_config.encodeCodecConfig.h264Config.level = NV_ENC_LEVEL_AUTOSELECT;
888 case AV_CODEC_ID_H265:
889 ctx->encode_config.encodeCodecConfig.hevcConfig.disableSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
890 ctx->encode_config.encodeCodecConfig.hevcConfig.repeatSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
892 /* No other profile is supported in the current SDK version 5 */
893 ctx->encode_config.profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID;
894 avctx->profile = FF_PROFILE_HEVC_MAIN;
897 res = input_string_to_uint32(avctx, nvenc_hevc_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.hevcConfig.level);
900 av_log(avctx, AV_LOG_FATAL, "Level \"%s\" is unknown! Supported levels: auto, 1, 2, 2.1, 3, 3.1, 4, 4.1, 5, 5.1, 5.2, 6, 6.1, 6.2\n", ctx->level);
904 ctx->encode_config.encodeCodecConfig.hevcConfig.level = NV_ENC_LEVEL_AUTOSELECT;
908 if (!strcmp(ctx->tier, "main")) {
909 ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_MAIN;
910 } else if (!strcmp(ctx->tier, "high")) {
911 ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_HIGH;
913 av_log(avctx, AV_LOG_FATAL, "Tier \"%s\" is unknown! Supported tiers: main, high\n", ctx->tier);
914 res = AVERROR(EINVAL);
920 /* Earlier switch/case will return if unknown codec is passed. */
923 nv_status = p_nvenc->nvEncInitializeEncoder(ctx->nvencoder, &ctx->init_encode_params);
924 if (nv_status != NV_ENC_SUCCESS) {
925 av_log(avctx, AV_LOG_FATAL, "InitializeEncoder failed: 0x%x\n", (int)nv_status);
926 res = AVERROR_EXTERNAL;
930 ctx->input_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->input_surfaces));
932 if (!ctx->input_surfaces) {
933 res = AVERROR(ENOMEM);
937 ctx->output_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->output_surfaces));
939 if (!ctx->output_surfaces) {
940 res = AVERROR(ENOMEM);
944 for (surfaceCount = 0; surfaceCount < ctx->max_surface_count; ++surfaceCount) {
945 NV_ENC_CREATE_INPUT_BUFFER allocSurf = { 0 };
946 NV_ENC_CREATE_BITSTREAM_BUFFER allocOut = { 0 };
947 allocSurf.version = NV_ENC_CREATE_INPUT_BUFFER_VER;
948 allocOut.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
950 allocSurf.width = (avctx->width + 31) & ~31;
951 allocSurf.height = (avctx->height + 31) & ~31;
953 allocSurf.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
955 switch (avctx->pix_fmt) {
956 case AV_PIX_FMT_YUV420P:
957 allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YV12_PL;
960 case AV_PIX_FMT_NV12:
961 allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12_PL;
964 case AV_PIX_FMT_YUV444P:
965 allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YUV444_PL;
969 av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format\n");
970 res = AVERROR(EINVAL);
974 nv_status = p_nvenc->nvEncCreateInputBuffer(ctx->nvencoder, &allocSurf);
975 if (nv_status != NV_ENC_SUCCESS) {
976 av_log(avctx, AV_LOG_FATAL, "CreateInputBuffer failed\n");
977 res = AVERROR_EXTERNAL;
981 ctx->input_surfaces[surfaceCount].lockCount = 0;
982 ctx->input_surfaces[surfaceCount].input_surface = allocSurf.inputBuffer;
983 ctx->input_surfaces[surfaceCount].format = allocSurf.bufferFmt;
984 ctx->input_surfaces[surfaceCount].width = allocSurf.width;
985 ctx->input_surfaces[surfaceCount].height = allocSurf.height;
987 /* 1MB is large enough to hold most output frames. NVENC increases this automaticaly if it's not enough. */
988 allocOut.size = 1024 * 1024;
990 allocOut.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
992 nv_status = p_nvenc->nvEncCreateBitstreamBuffer(ctx->nvencoder, &allocOut);
993 if (nv_status != NV_ENC_SUCCESS) {
994 av_log(avctx, AV_LOG_FATAL, "CreateBitstreamBuffer failed\n");
995 ctx->output_surfaces[surfaceCount++].output_surface = NULL;
996 res = AVERROR_EXTERNAL;
1000 ctx->output_surfaces[surfaceCount].output_surface = allocOut.bitstreamBuffer;
1001 ctx->output_surfaces[surfaceCount].size = allocOut.size;
1002 ctx->output_surfaces[surfaceCount].busy = 0;
1005 if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
1006 uint32_t outSize = 0;
1007 char tmpHeader[256];
1008 NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = { 0 };
1009 payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER;
1011 payload.spsppsBuffer = tmpHeader;
1012 payload.inBufferSize = sizeof(tmpHeader);
1013 payload.outSPSPPSPayloadSize = &outSize;
1015 nv_status = p_nvenc->nvEncGetSequenceParams(ctx->nvencoder, &payload);
1016 if (nv_status != NV_ENC_SUCCESS) {
1017 av_log(avctx, AV_LOG_FATAL, "GetSequenceParams failed\n");
1021 avctx->extradata_size = outSize;
1022 avctx->extradata = av_mallocz(outSize + FF_INPUT_BUFFER_PADDING_SIZE);
1024 if (!avctx->extradata) {
1025 res = AVERROR(ENOMEM);
1029 memcpy(avctx->extradata, tmpHeader, outSize);
1032 if (ctx->encode_config.frameIntervalP > 1)
1033 avctx->has_b_frames = 2;
1035 if (ctx->encode_config.rcParams.averageBitRate > 0)
1036 avctx->bit_rate = ctx->encode_config.rcParams.averageBitRate;
1042 for (i = 0; i < surfaceCount; ++i) {
1043 p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
1044 if (ctx->output_surfaces[i].output_surface)
1045 p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
1049 p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
1051 if (ctx->cu_context)
1052 dl_fn->cu_ctx_destroy(ctx->cu_context);
1054 av_frame_free(&avctx->coded_frame);
1056 nvenc_unload_nvenc(avctx);
1058 ctx->nvencoder = NULL;
1059 ctx->cu_context = NULL;
1064 static av_cold int nvenc_encode_close(AVCodecContext *avctx)
1066 NvencContext *ctx = avctx->priv_data;
1067 NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
1068 NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1071 av_freep(&ctx->timestamp_list.data);
1072 av_freep(&ctx->output_surface_ready_queue.data);
1073 av_freep(&ctx->output_surface_queue.data);
1075 for (i = 0; i < ctx->max_surface_count; ++i) {
1076 p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
1077 p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
1079 ctx->max_surface_count = 0;
1081 p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
1082 ctx->nvencoder = NULL;
1084 dl_fn->cu_ctx_destroy(ctx->cu_context);
1085 ctx->cu_context = NULL;
1087 nvenc_unload_nvenc(avctx);
1089 av_frame_free(&avctx->coded_frame);
1094 static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, AVFrame *coded_frame, NvencOutputSurface *tmpoutsurf)
1096 NvencContext *ctx = avctx->priv_data;
1097 NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
1098 NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1100 uint32_t slice_mode_data;
1101 uint32_t *slice_offsets;
1102 NV_ENC_LOCK_BITSTREAM lock_params = { 0 };
1103 NVENCSTATUS nv_status;
1106 switch (avctx->codec->id) {
1107 case AV_CODEC_ID_H264:
1108 slice_mode_data = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
1110 case AV_CODEC_ID_H265:
1111 slice_mode_data = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
1114 av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
1115 res = AVERROR(EINVAL);
1118 slice_offsets = av_mallocz(slice_mode_data * sizeof(*slice_offsets));
1121 return AVERROR(ENOMEM);
1123 lock_params.version = NV_ENC_LOCK_BITSTREAM_VER;
1125 lock_params.doNotWait = 0;
1126 lock_params.outputBitstream = tmpoutsurf->output_surface;
1127 lock_params.sliceOffsets = slice_offsets;
1129 nv_status = p_nvenc->nvEncLockBitstream(ctx->nvencoder, &lock_params);
1130 if (nv_status != NV_ENC_SUCCESS) {
1131 av_log(avctx, AV_LOG_ERROR, "Failed locking bitstream buffer\n");
1132 res = AVERROR_EXTERNAL;
1136 if (res = ff_alloc_packet2(avctx, pkt, lock_params.bitstreamSizeInBytes)) {
1137 p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
1141 memcpy(pkt->data, lock_params.bitstreamBufferPtr, lock_params.bitstreamSizeInBytes);
1143 nv_status = p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
1144 if (nv_status != NV_ENC_SUCCESS)
1145 av_log(avctx, AV_LOG_ERROR, "Failed unlocking bitstream buffer, expect the gates of mordor to open\n");
1147 switch (lock_params.pictureType) {
1148 case NV_ENC_PIC_TYPE_IDR:
1149 pkt->flags |= AV_PKT_FLAG_KEY;
1150 case NV_ENC_PIC_TYPE_I:
1151 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
1153 case NV_ENC_PIC_TYPE_P:
1154 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
1156 case NV_ENC_PIC_TYPE_B:
1157 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
1159 case NV_ENC_PIC_TYPE_BI:
1160 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_BI;
1163 av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered, expect the output to be broken.\n");
1164 av_log(avctx, AV_LOG_ERROR, "Please report this error and include as much information on how to reproduce it as possible.\n");
1165 res = AVERROR_EXTERNAL;
1169 pkt->pts = lock_params.outputTimeStamp;
1170 pkt->dts = timestamp_queue_dequeue(&ctx->timestamp_list);
1172 /* when there're b frame(s), set dts offset */
1173 if (ctx->encode_config.frameIntervalP >= 2)
1176 if (pkt->dts > pkt->pts)
1177 pkt->dts = pkt->pts;
1179 if (ctx->last_dts != AV_NOPTS_VALUE && pkt->dts <= ctx->last_dts)
1180 pkt->dts = ctx->last_dts + 1;
1182 ctx->last_dts = pkt->dts;
1184 av_free(slice_offsets);
1190 av_free(slice_offsets);
1191 timestamp_queue_dequeue(&ctx->timestamp_list);
1196 static int nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
1197 const AVFrame *frame, int *got_packet)
1199 NVENCSTATUS nv_status;
1200 NvencOutputSurface *tmpoutsurf;
1203 NvencContext *ctx = avctx->priv_data;
1204 NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
1205 NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
1207 NV_ENC_PIC_PARAMS pic_params = { 0 };
1208 pic_params.version = NV_ENC_PIC_PARAMS_VER;
1211 NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 };
1212 NvencInputSurface *inSurf = NULL;
1214 for (i = 0; i < ctx->max_surface_count; ++i) {
1215 if (!ctx->input_surfaces[i].lockCount) {
1216 inSurf = &ctx->input_surfaces[i];
1223 inSurf->lockCount = 1;
1225 lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
1226 lockBufferParams.inputBuffer = inSurf->input_surface;
1228 nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams);
1229 if (nv_status != NV_ENC_SUCCESS) {
1230 av_log(avctx, AV_LOG_ERROR, "Failed locking nvenc input buffer\n");
1234 if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
1235 uint8_t *buf = lockBufferParams.bufferDataPtr;
1237 av_image_copy_plane(buf, lockBufferParams.pitch,
1238 frame->data[0], frame->linesize[0],
1239 avctx->width, avctx->height);
1241 buf += inSurf->height * lockBufferParams.pitch;
1243 av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
1244 frame->data[2], frame->linesize[2],
1245 avctx->width >> 1, avctx->height >> 1);
1247 buf += (inSurf->height * lockBufferParams.pitch) >> 2;
1249 av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
1250 frame->data[1], frame->linesize[1],
1251 avctx->width >> 1, avctx->height >> 1);
1252 } else if (avctx->pix_fmt == AV_PIX_FMT_NV12) {
1253 uint8_t *buf = lockBufferParams.bufferDataPtr;
1255 av_image_copy_plane(buf, lockBufferParams.pitch,
1256 frame->data[0], frame->linesize[0],
1257 avctx->width, avctx->height);
1259 buf += inSurf->height * lockBufferParams.pitch;
1261 av_image_copy_plane(buf, lockBufferParams.pitch,
1262 frame->data[1], frame->linesize[1],
1263 avctx->width, avctx->height >> 1);
1264 } else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P) {
1265 uint8_t *buf = lockBufferParams.bufferDataPtr;
1267 av_image_copy_plane(buf, lockBufferParams.pitch,
1268 frame->data[0], frame->linesize[0],
1269 avctx->width, avctx->height);
1271 buf += inSurf->height * lockBufferParams.pitch;
1273 av_image_copy_plane(buf, lockBufferParams.pitch,
1274 frame->data[1], frame->linesize[1],
1275 avctx->width, avctx->height);
1277 buf += inSurf->height * lockBufferParams.pitch;
1279 av_image_copy_plane(buf, lockBufferParams.pitch,
1280 frame->data[2], frame->linesize[2],
1281 avctx->width, avctx->height);
1283 av_log(avctx, AV_LOG_FATAL, "Invalid pixel format!\n");
1284 return AVERROR(EINVAL);
1287 nv_status = p_nvenc->nvEncUnlockInputBuffer(ctx->nvencoder, inSurf->input_surface);
1288 if (nv_status != NV_ENC_SUCCESS) {
1289 av_log(avctx, AV_LOG_FATAL, "Failed unlocking input buffer!\n");
1290 return AVERROR_EXTERNAL;
1293 for (i = 0; i < ctx->max_surface_count; ++i)
1294 if (!ctx->output_surfaces[i].busy)
1297 if (i == ctx->max_surface_count) {
1298 inSurf->lockCount = 0;
1299 av_log(avctx, AV_LOG_FATAL, "No free output surface found!\n");
1300 return AVERROR_EXTERNAL;
1303 ctx->output_surfaces[i].input_surface = inSurf;
1305 pic_params.inputBuffer = inSurf->input_surface;
1306 pic_params.bufferFmt = inSurf->format;
1307 pic_params.inputWidth = avctx->width;
1308 pic_params.inputHeight = avctx->height;
1309 pic_params.outputBitstream = ctx->output_surfaces[i].output_surface;
1310 pic_params.completionEvent = 0;
1312 if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
1313 if (frame->top_field_first) {
1314 pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
1316 pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP;
1319 pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
1322 pic_params.encodePicFlags = 0;
1323 pic_params.inputTimeStamp = frame->pts;
1324 pic_params.inputDuration = 0;
1325 switch (avctx->codec->id) {
1326 case AV_CODEC_ID_H264:
1327 pic_params.codecPicParams.h264PicParams.sliceMode = ctx->encode_config.encodeCodecConfig.h264Config.sliceMode;
1328 pic_params.codecPicParams.h264PicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
1330 case AV_CODEC_ID_H265:
1331 pic_params.codecPicParams.hevcPicParams.sliceMode = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode;
1332 pic_params.codecPicParams.hevcPicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
1335 av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
1336 return AVERROR(EINVAL);
1339 res = timestamp_queue_enqueue(&ctx->timestamp_list, frame->pts);
1344 pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
1347 nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params);
1349 if (frame && nv_status == NV_ENC_ERR_NEED_MORE_INPUT) {
1350 res = out_surf_queue_enqueue(&ctx->output_surface_queue, &ctx->output_surfaces[i]);
1355 ctx->output_surfaces[i].busy = 1;
1358 if (nv_status != NV_ENC_SUCCESS && nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
1359 av_log(avctx, AV_LOG_ERROR, "EncodePicture failed!\n");
1360 return AVERROR_EXTERNAL;
1363 if (nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
1364 while (ctx->output_surface_queue.count) {
1365 tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_queue);
1366 res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, tmpoutsurf);
1373 res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, &ctx->output_surfaces[i]);
1378 ctx->output_surfaces[i].busy = 1;
1382 if (ctx->output_surface_ready_queue.count) {
1383 tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_ready_queue);
1385 res = process_output_surface(avctx, pkt, avctx->coded_frame, tmpoutsurf);
1390 tmpoutsurf->busy = 0;
1391 av_assert0(tmpoutsurf->input_surface->lockCount);
1392 tmpoutsurf->input_surface->lockCount--;
1402 static const enum AVPixelFormat pix_fmts_nvenc[] = {
1409 #define OFFSET(x) offsetof(NvencContext, x)
1410 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1411 static const AVOption options[] = {
1412 { "preset", "Set the encoding preset (one of hq, hp, bd, ll, llhq, llhp, default)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "hq" }, 0, 0, VE },
1413 { "profile", "Set the encoding profile (high, main or baseline)", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1414 { "level", "Set the encoding level restriction (auto, 1.0, 1.0b, 1.1, 1.2, ..., 4.2, 5.0, 5.1)", OFFSET(level), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1415 { "tier", "Set the encoding tier (main or high)", OFFSET(tier), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1416 { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
1417 { "2pass", "Use 2pass cbr encoding mode (low latency mode only)", OFFSET(twopass), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
1418 { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.", OFFSET(gpu), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
1422 static const AVCodecDefault nvenc_defaults[] = {
1432 #if CONFIG_NVENC_ENCODER
1433 static const AVClass nvenc_class = {
1434 .class_name = "nvenc",
1435 .item_name = av_default_item_name,
1437 .version = LIBAVUTIL_VERSION_INT,
1440 AVCodec ff_nvenc_encoder = {
1442 .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC h264 encoder"),
1443 .type = AVMEDIA_TYPE_VIDEO,
1444 .id = AV_CODEC_ID_H264,
1445 .priv_data_size = sizeof(NvencContext),
1446 .init = nvenc_encode_init,
1447 .encode2 = nvenc_encode_frame,
1448 .close = nvenc_encode_close,
1449 .capabilities = CODEC_CAP_DELAY,
1450 .priv_class = &nvenc_class,
1451 .defaults = nvenc_defaults,
1452 .pix_fmts = pix_fmts_nvenc,
1456 /* Add an alias for nvenc_h264 */
1457 #if CONFIG_NVENC_H264_ENCODER
1458 static const AVClass nvenc_h264_class = {
1459 .class_name = "nvenc_h264",
1460 .item_name = av_default_item_name,
1462 .version = LIBAVUTIL_VERSION_INT,
1465 AVCodec ff_nvenc_h264_encoder = {
1466 .name = "nvenc_h264",
1467 .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC h264 encoder"),
1468 .type = AVMEDIA_TYPE_VIDEO,
1469 .id = AV_CODEC_ID_H264,
1470 .priv_data_size = sizeof(NvencContext),
1471 .init = nvenc_encode_init,
1472 .encode2 = nvenc_encode_frame,
1473 .close = nvenc_encode_close,
1474 .capabilities = CODEC_CAP_DELAY,
1475 .priv_class = &nvenc_h264_class,
1476 .defaults = nvenc_defaults,
1477 .pix_fmts = pix_fmts_nvenc,
1481 #if CONFIG_NVENC_HEVC_ENCODER
1482 static const AVClass nvenc_hevc_class = {
1483 .class_name = "nvenc_hevc",
1484 .item_name = av_default_item_name,
1486 .version = LIBAVUTIL_VERSION_INT,
1489 AVCodec ff_nvenc_hevc_encoder = {
1490 .name = "nvenc_hevc",
1491 .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC hevc encoder"),
1492 .type = AVMEDIA_TYPE_VIDEO,
1493 .id = AV_CODEC_ID_H265,
1494 .priv_data_size = sizeof(NvencContext),
1495 .init = nvenc_encode_init,
1496 .encode2 = nvenc_encode_frame,
1497 .close = nvenc_encode_close,
1498 .capabilities = CODEC_CAP_DELAY,
1499 .priv_class = &nvenc_hevc_class,
1500 .defaults = nvenc_defaults,
1501 .pix_fmts = pix_fmts_nvenc,