/* * H.264 hardware encoding using nvidia nvenc * Copyright (c) 2014 Timo Rothenpieler * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #if defined(_WIN32) #include #else #include #endif #include #include "libavutil/internal.h" #include "libavutil/imgutils.h" #include "libavutil/avassert.h" #include "libavutil/opt.h" #include "libavutil/mem.h" #include "avcodec.h" #include "internal.h" #include "thread.h" #if defined(_WIN32) #define CUDAAPI __stdcall #else #define CUDAAPI #endif #if defined(_WIN32) #define LOAD_FUNC(l, s) GetProcAddress(l, s) #define DL_CLOSE_FUNC(l) FreeLibrary(l) #else #define LOAD_FUNC(l, s) dlsym(l, s) #define DL_CLOSE_FUNC(l) dlclose(l) #endif typedef enum cudaError_enum { CUDA_SUCCESS = 0 } CUresult; typedef int CUdevice; typedef void* CUcontext; typedef CUresult(CUDAAPI *PCUINIT)(unsigned int Flags); typedef CUresult(CUDAAPI *PCUDEVICEGETCOUNT)(int *count); typedef CUresult(CUDAAPI *PCUDEVICEGET)(CUdevice *device, int ordinal); typedef CUresult(CUDAAPI *PCUDEVICEGETNAME)(char *name, int len, CUdevice dev); typedef CUresult(CUDAAPI *PCUDEVICECOMPUTECAPABILITY)(int *major, int *minor, CUdevice dev); typedef CUresult(CUDAAPI *PCUCTXCREATE)(CUcontext *pctx, unsigned int flags, CUdevice dev); typedef CUresult(CUDAAPI *PCUCTXPOPCURRENT)(CUcontext *pctx); typedef CUresult(CUDAAPI *PCUCTXDESTROY)(CUcontext ctx); typedef NVENCSTATUS (NVENCAPI* PNVENCODEAPICREATEINSTANCE)(NV_ENCODE_API_FUNCTION_LIST *functionList); typedef struct NvencInputSurface { NV_ENC_INPUT_PTR input_surface; int width; int height; int lockCount; NV_ENC_BUFFER_FORMAT format; } NvencInputSurface; typedef struct NvencOutputSurface { NV_ENC_OUTPUT_PTR output_surface; int size; NvencInputSurface* input_surface; int busy; } NvencOutputSurface; typedef struct NvencData { union { int64_t timestamp; NvencOutputSurface *surface; } u; } NvencData; typedef struct NvencDataList { NvencData* data; uint32_t pos; uint32_t count; uint32_t size; } NvencDataList; typedef struct NvencDynLoadFunctions { PCUINIT cu_init; PCUDEVICEGETCOUNT cu_device_get_count; PCUDEVICEGET cu_device_get; PCUDEVICEGETNAME cu_device_get_name; PCUDEVICECOMPUTECAPABILITY cu_device_compute_capability; PCUCTXCREATE cu_ctx_create; PCUCTXPOPCURRENT cu_ctx_pop_current; PCUCTXDESTROY cu_ctx_destroy; NV_ENCODE_API_FUNCTION_LIST nvenc_funcs; int nvenc_device_count; CUdevice nvenc_devices[16]; #if defined(_WIN32) HMODULE cuda_lib; HMODULE nvenc_lib; #else void* cuda_lib; void* nvenc_lib; #endif } NvencDynLoadFunctions; typedef struct NvencValuePair { const char *str; uint32_t num; } NvencValuePair; typedef struct NvencContext { AVClass *avclass; NvencDynLoadFunctions nvenc_dload_funcs; NV_ENC_INITIALIZE_PARAMS init_encode_params; NV_ENC_CONFIG encode_config; CUcontext cu_context; int max_surface_count; NvencInputSurface *input_surfaces; NvencOutputSurface *output_surfaces; NvencDataList output_surface_queue; NvencDataList output_surface_ready_queue; NvencDataList timestamp_list; int64_t last_dts; void *nvencoder; char *preset; char *profile; char *level; char *tier; int cbr; int twopass; int gpu; int buffer_delay; } NvencContext; static const NvencValuePair nvenc_h264_level_pairs[] = { { "auto", NV_ENC_LEVEL_AUTOSELECT }, { "1" , NV_ENC_LEVEL_H264_1 }, { "1.0" , NV_ENC_LEVEL_H264_1 }, { "1b" , NV_ENC_LEVEL_H264_1b }, { "1.0b", NV_ENC_LEVEL_H264_1b }, { "1.1" , NV_ENC_LEVEL_H264_11 }, { "1.2" , NV_ENC_LEVEL_H264_12 }, { "1.3" , NV_ENC_LEVEL_H264_13 }, { "2" , NV_ENC_LEVEL_H264_2 }, { "2.0" , NV_ENC_LEVEL_H264_2 }, { "2.1" , NV_ENC_LEVEL_H264_21 }, { "2.2" , NV_ENC_LEVEL_H264_22 }, { "3" , NV_ENC_LEVEL_H264_3 }, { "3.0" , NV_ENC_LEVEL_H264_3 }, { "3.1" , NV_ENC_LEVEL_H264_31 }, { "3.2" , NV_ENC_LEVEL_H264_32 }, { "4" , NV_ENC_LEVEL_H264_4 }, { "4.0" , NV_ENC_LEVEL_H264_4 }, { "4.1" , NV_ENC_LEVEL_H264_41 }, { "4.2" , NV_ENC_LEVEL_H264_42 }, { "5" , NV_ENC_LEVEL_H264_5 }, { "5.0" , NV_ENC_LEVEL_H264_5 }, { "5.1" , NV_ENC_LEVEL_H264_51 }, { NULL } }; static const NvencValuePair nvenc_hevc_level_pairs[] = { { "auto", NV_ENC_LEVEL_AUTOSELECT }, { "1" , NV_ENC_LEVEL_HEVC_1 }, { "1.0" , NV_ENC_LEVEL_HEVC_1 }, { "2" , NV_ENC_LEVEL_HEVC_2 }, { "2.0" , NV_ENC_LEVEL_HEVC_2 }, { "2.1" , NV_ENC_LEVEL_HEVC_21 }, { "3" , NV_ENC_LEVEL_HEVC_3 }, { "3.0" , NV_ENC_LEVEL_HEVC_3 }, { "3.1" , NV_ENC_LEVEL_HEVC_31 }, { "4" , NV_ENC_LEVEL_HEVC_4 }, { "4.0" , NV_ENC_LEVEL_HEVC_4 }, { "4.1" , NV_ENC_LEVEL_HEVC_41 }, { "5" , NV_ENC_LEVEL_HEVC_5 }, { "5.0" , NV_ENC_LEVEL_HEVC_5 }, { "5.1" , NV_ENC_LEVEL_HEVC_51 }, { "5.2" , NV_ENC_LEVEL_HEVC_52 }, { "6" , NV_ENC_LEVEL_HEVC_6 }, { "6.0" , NV_ENC_LEVEL_HEVC_6 }, { "6.1" , NV_ENC_LEVEL_HEVC_61 }, { "6.2" , NV_ENC_LEVEL_HEVC_62 }, { NULL } }; static int input_string_to_uint32(AVCodecContext *avctx, const NvencValuePair *pair, const char *input, uint32_t *output) { for (; pair->str; ++pair) { if (!strcmp(input, pair->str)) { *output = pair->num; return 0; } } return AVERROR(EINVAL); } static NvencData* data_queue_dequeue(NvencDataList* queue) { uint32_t mask; uint32_t read_pos; av_assert0(queue); av_assert0(queue->size); av_assert0(queue->data); if (!queue->count) return NULL; /* Size always is a multiple of two */ mask = queue->size - 1; read_pos = (queue->pos - queue->count) & mask; queue->count--; return &queue->data[read_pos]; } static int data_queue_enqueue(NvencDataList* queue, NvencData *data) { NvencDataList new_queue; NvencData* tmp_data; uint32_t mask; if (!queue->size) { /* size always has to be a multiple of two */ queue->size = 4; queue->pos = 0; queue->count = 0; queue->data = av_malloc(queue->size * sizeof(*(queue->data))); if (!queue->data) { queue->size = 0; return AVERROR(ENOMEM); } } if (queue->count == queue->size) { new_queue.size = queue->size << 1; new_queue.pos = 0; new_queue.count = 0; new_queue.data = av_malloc(new_queue.size * sizeof(*(queue->data))); if (!new_queue.data) return AVERROR(ENOMEM); while (tmp_data = data_queue_dequeue(queue)) data_queue_enqueue(&new_queue, tmp_data); av_free(queue->data); *queue = new_queue; } mask = queue->size - 1; queue->data[queue->pos] = *data; queue->pos = (queue->pos + 1) & mask; queue->count++; return 0; } static int out_surf_queue_enqueue(NvencDataList* queue, NvencOutputSurface* surface) { NvencData data; data.u.surface = surface; return data_queue_enqueue(queue, &data); } static NvencOutputSurface* out_surf_queue_dequeue(NvencDataList* queue) { NvencData* res = data_queue_dequeue(queue); if (!res) return NULL; return res->u.surface; } static int timestamp_queue_enqueue(NvencDataList* queue, int64_t timestamp) { NvencData data; data.u.timestamp = timestamp; return data_queue_enqueue(queue, &data); } static int64_t timestamp_queue_dequeue(NvencDataList* queue) { NvencData* res = data_queue_dequeue(queue); if (!res) return AV_NOPTS_VALUE; return res->u.timestamp; } #define CHECK_LOAD_FUNC(t, f, s) \ do { \ (f) = (t)LOAD_FUNC(dl_fn->cuda_lib, s); \ if (!(f)) { \ av_log(avctx, AV_LOG_FATAL, "Failed loading %s from CUDA library\n", s); \ goto error; \ } \ } while (0) static av_cold int nvenc_dyload_cuda(AVCodecContext *avctx) { NvencContext *ctx = avctx->priv_data; NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; if (dl_fn->cuda_lib) return 1; #if defined(_WIN32) dl_fn->cuda_lib = LoadLibrary(TEXT("nvcuda.dll")); #else dl_fn->cuda_lib = dlopen("libcuda.so", RTLD_LAZY); #endif if (!dl_fn->cuda_lib) { av_log(avctx, AV_LOG_FATAL, "Failed loading CUDA library\n"); goto error; } CHECK_LOAD_FUNC(PCUINIT, dl_fn->cu_init, "cuInit"); CHECK_LOAD_FUNC(PCUDEVICEGETCOUNT, dl_fn->cu_device_get_count, "cuDeviceGetCount"); CHECK_LOAD_FUNC(PCUDEVICEGET, dl_fn->cu_device_get, "cuDeviceGet"); CHECK_LOAD_FUNC(PCUDEVICEGETNAME, dl_fn->cu_device_get_name, "cuDeviceGetName"); CHECK_LOAD_FUNC(PCUDEVICECOMPUTECAPABILITY, dl_fn->cu_device_compute_capability, "cuDeviceComputeCapability"); CHECK_LOAD_FUNC(PCUCTXCREATE, dl_fn->cu_ctx_create, "cuCtxCreate_v2"); CHECK_LOAD_FUNC(PCUCTXPOPCURRENT, dl_fn->cu_ctx_pop_current, "cuCtxPopCurrent_v2"); CHECK_LOAD_FUNC(PCUCTXDESTROY, dl_fn->cu_ctx_destroy, "cuCtxDestroy_v2"); return 1; error: if (dl_fn->cuda_lib) DL_CLOSE_FUNC(dl_fn->cuda_lib); dl_fn->cuda_lib = NULL; return 0; } static av_cold int check_cuda_errors(AVCodecContext *avctx, CUresult err, const char *func) { if (err != CUDA_SUCCESS) { av_log(avctx, AV_LOG_FATAL, ">> %s - failed with error code 0x%x\n", func, err); return 0; } return 1; } #define check_cuda_errors(f) if (!check_cuda_errors(avctx, f, #f)) goto error static av_cold int nvenc_check_cuda(AVCodecContext *avctx) { int device_count = 0; CUdevice cu_device = 0; char gpu_name[128]; int smminor = 0, smmajor = 0; int i, smver, target_smver; NvencContext *ctx = avctx->priv_data; NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; switch (avctx->codec->id) { case AV_CODEC_ID_H264: target_smver = avctx->pix_fmt == AV_PIX_FMT_YUV444P ? 0x52 : 0x30; break; case AV_CODEC_ID_H265: target_smver = 0x52; break; default: av_log(avctx, AV_LOG_FATAL, "Unknown codec name\n"); goto error; } if (!nvenc_dyload_cuda(avctx)) return 0; if (dl_fn->nvenc_device_count > 0) return 1; check_cuda_errors(dl_fn->cu_init(0)); check_cuda_errors(dl_fn->cu_device_get_count(&device_count)); if (!device_count) { av_log(avctx, AV_LOG_FATAL, "No CUDA capable devices found\n"); goto error; } av_log(avctx, AV_LOG_VERBOSE, "%d CUDA capable devices found\n", device_count); dl_fn->nvenc_device_count = 0; for (i = 0; i < device_count; ++i) { check_cuda_errors(dl_fn->cu_device_get(&cu_device, i)); check_cuda_errors(dl_fn->cu_device_get_name(gpu_name, sizeof(gpu_name), cu_device)); check_cuda_errors(dl_fn->cu_device_compute_capability(&smmajor, &smminor, cu_device)); smver = (smmajor << 4) | smminor; 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"); if (smver >= target_smver) dl_fn->nvenc_devices[dl_fn->nvenc_device_count++] = cu_device; } if (!dl_fn->nvenc_device_count) { av_log(avctx, AV_LOG_FATAL, "No NVENC capable devices found\n"); goto error; } return 1; error: dl_fn->nvenc_device_count = 0; return 0; } static av_cold int nvenc_dyload_nvenc(AVCodecContext *avctx) { PNVENCODEAPICREATEINSTANCE nvEncodeAPICreateInstance = 0; NVENCSTATUS nvstatus; NvencContext *ctx = avctx->priv_data; NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; if (!nvenc_check_cuda(avctx)) return 0; if (dl_fn->nvenc_lib) return 1; #if defined(_WIN32) if (sizeof(void*) == 8) { dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI64.dll")); } else { dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI.dll")); } #else dl_fn->nvenc_lib = dlopen("libnvidia-encode.so.1", RTLD_LAZY); #endif if (!dl_fn->nvenc_lib) { av_log(avctx, AV_LOG_FATAL, "Failed loading the nvenc library\n"); goto error; } nvEncodeAPICreateInstance = (PNVENCODEAPICREATEINSTANCE)LOAD_FUNC(dl_fn->nvenc_lib, "NvEncodeAPICreateInstance"); if (!nvEncodeAPICreateInstance) { av_log(avctx, AV_LOG_FATAL, "Failed to load nvenc entrypoint\n"); goto error; } dl_fn->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER; nvstatus = nvEncodeAPICreateInstance(&dl_fn->nvenc_funcs); if (nvstatus != NV_ENC_SUCCESS) { av_log(avctx, AV_LOG_FATAL, "Failed to create nvenc instance\n"); goto error; } av_log(avctx, AV_LOG_VERBOSE, "Nvenc initialized successfully\n"); return 1; error: if (dl_fn->nvenc_lib) DL_CLOSE_FUNC(dl_fn->nvenc_lib); dl_fn->nvenc_lib = NULL; return 0; } static av_cold void nvenc_unload_nvenc(AVCodecContext *avctx) { NvencContext *ctx = avctx->priv_data; NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; DL_CLOSE_FUNC(dl_fn->nvenc_lib); dl_fn->nvenc_lib = NULL; dl_fn->nvenc_device_count = 0; DL_CLOSE_FUNC(dl_fn->cuda_lib); dl_fn->cuda_lib = NULL; dl_fn->cu_init = NULL; dl_fn->cu_device_get_count = NULL; dl_fn->cu_device_get = NULL; dl_fn->cu_device_get_name = NULL; dl_fn->cu_device_compute_capability = NULL; dl_fn->cu_ctx_create = NULL; dl_fn->cu_ctx_pop_current = NULL; dl_fn->cu_ctx_destroy = NULL; av_log(avctx, AV_LOG_VERBOSE, "Nvenc unloaded\n"); } static av_cold int nvenc_encode_init(AVCodecContext *avctx) { NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS encode_session_params = { 0 }; NV_ENC_PRESET_CONFIG preset_config = { 0 }; CUcontext cu_context_curr; CUresult cu_res; GUID encoder_preset = NV_ENC_PRESET_HQ_GUID; GUID codec; NVENCSTATUS nv_status = NV_ENC_SUCCESS; AVCPBProperties *cpb_props; int surfaceCount = 0; int i, num_mbs; int isLL = 0; int lossless = 0; int res = 0; int dw, dh; int qp_inter_p; NvencContext *ctx = avctx->priv_data; NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; if (!nvenc_dyload_nvenc(avctx)) return AVERROR_EXTERNAL; ctx->last_dts = AV_NOPTS_VALUE; ctx->encode_config.version = NV_ENC_CONFIG_VER; ctx->init_encode_params.version = NV_ENC_INITIALIZE_PARAMS_VER; preset_config.version = NV_ENC_PRESET_CONFIG_VER; preset_config.presetCfg.version = NV_ENC_CONFIG_VER; encode_session_params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER; encode_session_params.apiVersion = NVENCAPI_VERSION; if (ctx->gpu >= dl_fn->nvenc_device_count) { av_log(avctx, AV_LOG_FATAL, "Requested GPU %d, but only %d GPUs are available!\n", ctx->gpu, dl_fn->nvenc_device_count); res = AVERROR(EINVAL); goto error; } ctx->cu_context = NULL; cu_res = dl_fn->cu_ctx_create(&ctx->cu_context, 4, dl_fn->nvenc_devices[ctx->gpu]); // CU_CTX_SCHED_BLOCKING_SYNC=4, avoid CPU spins if (cu_res != CUDA_SUCCESS) { av_log(avctx, AV_LOG_FATAL, "Failed creating CUDA context for NVENC: 0x%x\n", (int)cu_res); res = AVERROR_EXTERNAL; goto error; } cu_res = dl_fn->cu_ctx_pop_current(&cu_context_curr); if (cu_res != CUDA_SUCCESS) { av_log(avctx, AV_LOG_FATAL, "Failed popping CUDA context: 0x%x\n", (int)cu_res); res = AVERROR_EXTERNAL; goto error; } encode_session_params.device = ctx->cu_context; encode_session_params.deviceType = NV_ENC_DEVICE_TYPE_CUDA; nv_status = p_nvenc->nvEncOpenEncodeSessionEx(&encode_session_params, &ctx->nvencoder); if (nv_status != NV_ENC_SUCCESS) { ctx->nvencoder = NULL; av_log(avctx, AV_LOG_FATAL, "OpenEncodeSessionEx failed: 0x%x\n", (int)nv_status); res = AVERROR_EXTERNAL; goto error; } if (ctx->preset) { if (!strcmp(ctx->preset, "slow")) { encoder_preset = NV_ENC_PRESET_HQ_GUID; ctx->twopass = 1; } else if (!strcmp(ctx->preset, "medium")) { encoder_preset = NV_ENC_PRESET_HQ_GUID; ctx->twopass = 0; } else if (!strcmp(ctx->preset, "fast")) { encoder_preset = NV_ENC_PRESET_HP_GUID; ctx->twopass = 0; } else if (!strcmp(ctx->preset, "hq")) { encoder_preset = NV_ENC_PRESET_HQ_GUID; } else if (!strcmp(ctx->preset, "hp")) { encoder_preset = NV_ENC_PRESET_HP_GUID; } else if (!strcmp(ctx->preset, "bd")) { encoder_preset = NV_ENC_PRESET_BD_GUID; } else if (!strcmp(ctx->preset, "ll")) { encoder_preset = NV_ENC_PRESET_LOW_LATENCY_DEFAULT_GUID; isLL = 1; } else if (!strcmp(ctx->preset, "llhp")) { encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HP_GUID; isLL = 1; } else if (!strcmp(ctx->preset, "llhq")) { encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HQ_GUID; isLL = 1; } else if (!strcmp(ctx->preset, "lossless")) { encoder_preset = NV_ENC_PRESET_LOSSLESS_DEFAULT_GUID; lossless = 1; } else if (!strcmp(ctx->preset, "losslesshp")) { encoder_preset = NV_ENC_PRESET_LOSSLESS_HP_GUID; lossless = 1; } else if (!strcmp(ctx->preset, "default")) { encoder_preset = NV_ENC_PRESET_DEFAULT_GUID; } else { av_log(avctx, AV_LOG_FATAL, "Preset \"%s\" is unknown! Supported presets: slow, medium, high, hp, hq, bd, ll, llhp, llhq, lossless, losslesshp, default\n", ctx->preset); res = AVERROR(EINVAL); goto error; } } if (ctx->twopass < 0) { ctx->twopass = isLL; } switch (avctx->codec->id) { case AV_CODEC_ID_H264: codec = NV_ENC_CODEC_H264_GUID; break; case AV_CODEC_ID_H265: codec = NV_ENC_CODEC_HEVC_GUID; break; default: av_log(avctx, AV_LOG_ERROR, "Unknown codec name\n"); res = AVERROR(EINVAL); goto error; } nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder, codec, encoder_preset, &preset_config); if (nv_status != NV_ENC_SUCCESS) { av_log(avctx, AV_LOG_FATAL, "GetEncodePresetConfig failed: 0x%x\n", (int)nv_status); res = AVERROR_EXTERNAL; goto error; } ctx->init_encode_params.encodeGUID = codec; ctx->init_encode_params.encodeHeight = avctx->height; ctx->init_encode_params.encodeWidth = avctx->width; if (avctx->sample_aspect_ratio.num && avctx->sample_aspect_ratio.den && (avctx->sample_aspect_ratio.num != 1 || avctx->sample_aspect_ratio.num != 1)) { av_reduce(&dw, &dh, avctx->width * avctx->sample_aspect_ratio.num, avctx->height * avctx->sample_aspect_ratio.den, 1024 * 1024); ctx->init_encode_params.darHeight = dh; ctx->init_encode_params.darWidth = dw; } else { ctx->init_encode_params.darHeight = avctx->height; ctx->init_encode_params.darWidth = avctx->width; } // De-compensate for hardware, dubiously, trying to compensate for // playback at 704 pixel width. if (avctx->width == 720 && (avctx->height == 480 || avctx->height == 576)) { av_reduce(&dw, &dh, ctx->init_encode_params.darWidth * 44, ctx->init_encode_params.darHeight * 45, 1024 * 1024); ctx->init_encode_params.darHeight = dh; ctx->init_encode_params.darWidth = dw; } ctx->init_encode_params.frameRateNum = avctx->time_base.den; ctx->init_encode_params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame; num_mbs = ((avctx->width + 15) >> 4) * ((avctx->height + 15) >> 4); ctx->max_surface_count = (num_mbs >= 8160) ? 32 : 48; if (ctx->buffer_delay >= ctx->max_surface_count) ctx->buffer_delay = ctx->max_surface_count - 1; ctx->init_encode_params.enableEncodeAsync = 0; ctx->init_encode_params.enablePTD = 1; ctx->init_encode_params.presetGUID = encoder_preset; ctx->init_encode_params.encodeConfig = &ctx->encode_config; memcpy(&ctx->encode_config, &preset_config.presetCfg, sizeof(ctx->encode_config)); ctx->encode_config.version = NV_ENC_CONFIG_VER; if (avctx->refs >= 0) { /* 0 means "let the hardware decide" */ switch (avctx->codec->id) { case AV_CODEC_ID_H264: ctx->encode_config.encodeCodecConfig.h264Config.maxNumRefFrames = avctx->refs; break; case AV_CODEC_ID_H265: ctx->encode_config.encodeCodecConfig.hevcConfig.maxNumRefFramesInDPB = avctx->refs; break; /* Earlier switch/case will return if unknown codec is passed. */ } } if (avctx->gop_size > 0) { if (avctx->max_b_frames >= 0) { /* 0 is intra-only, 1 is I/P only, 2 is one B Frame, 3 two B frames, and so on. */ ctx->encode_config.frameIntervalP = avctx->max_b_frames + 1; } ctx->encode_config.gopLength = avctx->gop_size; switch (avctx->codec->id) { case AV_CODEC_ID_H264: ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = avctx->gop_size; break; case AV_CODEC_ID_H265: ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = avctx->gop_size; break; /* Earlier switch/case will return if unknown codec is passed. */ } } else if (avctx->gop_size == 0) { ctx->encode_config.frameIntervalP = 0; ctx->encode_config.gopLength = 1; switch (avctx->codec->id) { case AV_CODEC_ID_H264: ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = 1; break; case AV_CODEC_ID_H265: ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = 1; break; /* Earlier switch/case will return if unknown codec is passed. */ } } /* when there're b frames, set dts offset */ if (ctx->encode_config.frameIntervalP >= 2) ctx->last_dts = -2; if (avctx->bit_rate > 0) { ctx->encode_config.rcParams.averageBitRate = avctx->bit_rate; } else if (ctx->encode_config.rcParams.averageBitRate > 0) { ctx->encode_config.rcParams.maxBitRate = ctx->encode_config.rcParams.averageBitRate; } if (avctx->rc_max_rate > 0) ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate; if (lossless) { if (avctx->codec->id == AV_CODEC_ID_H264) ctx->encode_config.encodeCodecConfig.h264Config.qpPrimeYZeroTransformBypassFlag = 1; ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP; ctx->encode_config.rcParams.constQP.qpInterB = 0; ctx->encode_config.rcParams.constQP.qpInterP = 0; ctx->encode_config.rcParams.constQP.qpIntra = 0; avctx->qmin = -1; avctx->qmax = -1; } else if (ctx->cbr) { if (!ctx->twopass) { ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR; } else { ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_QUALITY; if (avctx->codec->id == AV_CODEC_ID_H264) { ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE; ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE; } } } else if (avctx->global_quality > 0) { ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP; ctx->encode_config.rcParams.constQP.qpInterB = avctx->global_quality; ctx->encode_config.rcParams.constQP.qpInterP = avctx->global_quality; ctx->encode_config.rcParams.constQP.qpIntra = avctx->global_quality; avctx->qmin = -1; avctx->qmax = -1; } else { if (avctx->qmin >= 0 && avctx->qmax >= 0) { ctx->encode_config.rcParams.enableMinQP = 1; ctx->encode_config.rcParams.enableMaxQP = 1; ctx->encode_config.rcParams.minQP.qpInterB = avctx->qmin; ctx->encode_config.rcParams.minQP.qpInterP = avctx->qmin; ctx->encode_config.rcParams.minQP.qpIntra = avctx->qmin; ctx->encode_config.rcParams.maxQP.qpInterB = avctx->qmax; ctx->encode_config.rcParams.maxQP.qpInterP = avctx->qmax; ctx->encode_config.rcParams.maxQP.qpIntra = avctx->qmax; qp_inter_p = (avctx->qmax + 3 * avctx->qmin) / 4; // biased towards Qmin if (ctx->twopass) { ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_VBR; if (avctx->codec->id == AV_CODEC_ID_H264) { ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE; ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE; } } else { ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR_MINQP; } } else { qp_inter_p = 26; // default to 26 if (ctx->twopass) { ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_VBR; } else { ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR; } } ctx->encode_config.rcParams.enableInitialRCQP = 1; ctx->encode_config.rcParams.initialRCQP.qpInterP = qp_inter_p; if(avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) { ctx->encode_config.rcParams.initialRCQP.qpIntra = av_clip( qp_inter_p * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51); ctx->encode_config.rcParams.initialRCQP.qpInterB = av_clip( qp_inter_p * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51); } else { ctx->encode_config.rcParams.initialRCQP.qpIntra = qp_inter_p; ctx->encode_config.rcParams.initialRCQP.qpInterB = qp_inter_p; } } if (avctx->rc_buffer_size > 0) { ctx->encode_config.rcParams.vbvBufferSize = avctx->rc_buffer_size; } else if (ctx->encode_config.rcParams.averageBitRate > 0) { ctx->encode_config.rcParams.vbvBufferSize = 2 * ctx->encode_config.rcParams.averageBitRate; } if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) { ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD; } else { ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME; } switch (avctx->codec->id) { case AV_CODEC_ID_H264: ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourMatrix = avctx->colorspace; ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourPrimaries = avctx->color_primaries; ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.transferCharacteristics = avctx->color_trc; ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFullRangeFlag = (avctx->color_range == AVCOL_RANGE_JPEG || avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || avctx->pix_fmt == AV_PIX_FMT_YUVJ444P); ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourDescriptionPresentFlag = (avctx->colorspace != 2 || avctx->color_primaries != 2 || avctx->color_trc != 2); ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoSignalTypePresentFlag = (ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourDescriptionPresentFlag || ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFormat != 5 || ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFullRangeFlag != 0); ctx->encode_config.encodeCodecConfig.h264Config.sliceMode = 3; ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData = 1; ctx->encode_config.encodeCodecConfig.h264Config.disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0; ctx->encode_config.encodeCodecConfig.h264Config.repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1; if (!ctx->profile) { switch (avctx->profile) { case FF_PROFILE_H264_HIGH_444_PREDICTIVE: ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID; break; case FF_PROFILE_H264_BASELINE: ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID; break; case FF_PROFILE_H264_MAIN: ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID; break; case FF_PROFILE_H264_HIGH: case FF_PROFILE_UNKNOWN: ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID; break; default: av_log(avctx, AV_LOG_WARNING, "Unsupported profile requested, falling back to high\n"); ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID; break; } } else { if (!strcmp(ctx->profile, "high")) { ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID; avctx->profile = FF_PROFILE_H264_HIGH; } else if (!strcmp(ctx->profile, "main")) { ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID; avctx->profile = FF_PROFILE_H264_MAIN; } else if (!strcmp(ctx->profile, "baseline")) { ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID; avctx->profile = FF_PROFILE_H264_BASELINE; } else if (!strcmp(ctx->profile, "high444p")) { ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID; avctx->profile = FF_PROFILE_H264_HIGH_444_PREDICTIVE; } else { av_log(avctx, AV_LOG_FATAL, "Profile \"%s\" is unknown! Supported profiles: high, main, baseline\n", ctx->profile); res = AVERROR(EINVAL); goto error; } } // force setting profile as high444p if input is AV_PIX_FMT_YUV444P if (avctx->pix_fmt == AV_PIX_FMT_YUV444P) { ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID; avctx->profile = FF_PROFILE_H264_HIGH_444_PREDICTIVE; } ctx->encode_config.encodeCodecConfig.h264Config.chromaFormatIDC = avctx->profile == FF_PROFILE_H264_HIGH_444_PREDICTIVE ? 3 : 1; if (ctx->level) { res = input_string_to_uint32(avctx, nvenc_h264_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.h264Config.level); if (res) { 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); goto error; } } else { ctx->encode_config.encodeCodecConfig.h264Config.level = NV_ENC_LEVEL_AUTOSELECT; } break; case AV_CODEC_ID_H265: ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.colourMatrix = avctx->colorspace; ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.colourPrimaries = avctx->color_primaries; ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.transferCharacteristics = avctx->color_trc; ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.videoFullRangeFlag = (avctx->color_range == AVCOL_RANGE_JPEG || avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || avctx->pix_fmt == AV_PIX_FMT_YUVJ444P); ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.colourDescriptionPresentFlag = (avctx->colorspace != 2 || avctx->color_primaries != 2 || avctx->color_trc != 2); ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.videoSignalTypePresentFlag = (ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.colourDescriptionPresentFlag || ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.videoFormat != 5 || ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.videoFullRangeFlag != 0); ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode = 3; ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData = 1; ctx->encode_config.encodeCodecConfig.hevcConfig.disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0; ctx->encode_config.encodeCodecConfig.hevcConfig.repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1; /* No other profile is supported in the current SDK version 5 */ ctx->encode_config.profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID; avctx->profile = FF_PROFILE_HEVC_MAIN; if (ctx->level) { res = input_string_to_uint32(avctx, nvenc_hevc_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.hevcConfig.level); if (res) { 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); goto error; } } else { ctx->encode_config.encodeCodecConfig.hevcConfig.level = NV_ENC_LEVEL_AUTOSELECT; } if (ctx->tier) { if (!strcmp(ctx->tier, "main")) { ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_MAIN; } else if (!strcmp(ctx->tier, "high")) { ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_HIGH; } else { av_log(avctx, AV_LOG_FATAL, "Tier \"%s\" is unknown! Supported tiers: main, high\n", ctx->tier); res = AVERROR(EINVAL); goto error; } } break; /* Earlier switch/case will return if unknown codec is passed. */ } nv_status = p_nvenc->nvEncInitializeEncoder(ctx->nvencoder, &ctx->init_encode_params); if (nv_status != NV_ENC_SUCCESS) { av_log(avctx, AV_LOG_FATAL, "InitializeEncoder failed: 0x%x\n", (int)nv_status); res = AVERROR_EXTERNAL; goto error; } ctx->input_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->input_surfaces)); if (!ctx->input_surfaces) { res = AVERROR(ENOMEM); goto error; } ctx->output_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->output_surfaces)); if (!ctx->output_surfaces) { res = AVERROR(ENOMEM); goto error; } for (surfaceCount = 0; surfaceCount < ctx->max_surface_count; ++surfaceCount) { NV_ENC_CREATE_INPUT_BUFFER allocSurf = { 0 }; NV_ENC_CREATE_BITSTREAM_BUFFER allocOut = { 0 }; allocSurf.version = NV_ENC_CREATE_INPUT_BUFFER_VER; allocOut.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER; allocSurf.width = (avctx->width + 31) & ~31; allocSurf.height = (avctx->height + 31) & ~31; allocSurf.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED; switch (avctx->pix_fmt) { case AV_PIX_FMT_YUV420P: allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YV12_PL; break; case AV_PIX_FMT_NV12: allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12_PL; break; case AV_PIX_FMT_YUV444P: allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YUV444_PL; break; default: av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format\n"); res = AVERROR(EINVAL); goto error; } nv_status = p_nvenc->nvEncCreateInputBuffer(ctx->nvencoder, &allocSurf); if (nv_status != NV_ENC_SUCCESS) { av_log(avctx, AV_LOG_FATAL, "CreateInputBuffer failed\n"); res = AVERROR_EXTERNAL; goto error; } ctx->input_surfaces[surfaceCount].lockCount = 0; ctx->input_surfaces[surfaceCount].input_surface = allocSurf.inputBuffer; ctx->input_surfaces[surfaceCount].format = allocSurf.bufferFmt; ctx->input_surfaces[surfaceCount].width = allocSurf.width; ctx->input_surfaces[surfaceCount].height = allocSurf.height; /* 1MB is large enough to hold most output frames. NVENC increases this automaticaly if it's not enough. */ allocOut.size = 1024 * 1024; allocOut.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED; nv_status = p_nvenc->nvEncCreateBitstreamBuffer(ctx->nvencoder, &allocOut); if (nv_status != NV_ENC_SUCCESS) { av_log(avctx, AV_LOG_FATAL, "CreateBitstreamBuffer failed\n"); ctx->output_surfaces[surfaceCount++].output_surface = NULL; res = AVERROR_EXTERNAL; goto error; } ctx->output_surfaces[surfaceCount].output_surface = allocOut.bitstreamBuffer; ctx->output_surfaces[surfaceCount].size = allocOut.size; ctx->output_surfaces[surfaceCount].busy = 0; } if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) { uint32_t outSize = 0; char tmpHeader[256]; NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = { 0 }; payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER; payload.spsppsBuffer = tmpHeader; payload.inBufferSize = sizeof(tmpHeader); payload.outSPSPPSPayloadSize = &outSize; nv_status = p_nvenc->nvEncGetSequenceParams(ctx->nvencoder, &payload); if (nv_status != NV_ENC_SUCCESS) { av_log(avctx, AV_LOG_FATAL, "GetSequenceParams failed\n"); goto error; } avctx->extradata_size = outSize; avctx->extradata = av_mallocz(outSize + AV_INPUT_BUFFER_PADDING_SIZE); if (!avctx->extradata) { res = AVERROR(ENOMEM); goto error; } memcpy(avctx->extradata, tmpHeader, outSize); } if (ctx->encode_config.frameIntervalP > 1) avctx->has_b_frames = 2; if (ctx->encode_config.rcParams.averageBitRate > 0) avctx->bit_rate = ctx->encode_config.rcParams.averageBitRate; cpb_props = ff_add_cpb_side_data(avctx); if (!cpb_props) return AVERROR(ENOMEM); cpb_props->max_bitrate = ctx->encode_config.rcParams.maxBitRate; cpb_props->avg_bitrate = avctx->bit_rate; cpb_props->buffer_size = ctx->encode_config.rcParams.vbvBufferSize; return 0; error: for (i = 0; i < surfaceCount; ++i) { p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface); if (ctx->output_surfaces[i].output_surface) p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface); } if (ctx->nvencoder) p_nvenc->nvEncDestroyEncoder(ctx->nvencoder); if (ctx->cu_context) dl_fn->cu_ctx_destroy(ctx->cu_context); nvenc_unload_nvenc(avctx); ctx->nvencoder = NULL; ctx->cu_context = NULL; return res; } static av_cold int nvenc_encode_close(AVCodecContext *avctx) { NvencContext *ctx = avctx->priv_data; NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; int i; av_freep(&ctx->timestamp_list.data); av_freep(&ctx->output_surface_ready_queue.data); av_freep(&ctx->output_surface_queue.data); for (i = 0; i < ctx->max_surface_count; ++i) { p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface); p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface); } ctx->max_surface_count = 0; p_nvenc->nvEncDestroyEncoder(ctx->nvencoder); ctx->nvencoder = NULL; dl_fn->cu_ctx_destroy(ctx->cu_context); ctx->cu_context = NULL; nvenc_unload_nvenc(avctx); return 0; } static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencOutputSurface *tmpoutsurf) { NvencContext *ctx = avctx->priv_data; NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; uint32_t slice_mode_data; uint32_t *slice_offsets; NV_ENC_LOCK_BITSTREAM lock_params = { 0 }; NVENCSTATUS nv_status; int res = 0; enum AVPictureType pict_type; switch (avctx->codec->id) { case AV_CODEC_ID_H264: slice_mode_data = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData; break; case AV_CODEC_ID_H265: slice_mode_data = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData; break; default: av_log(avctx, AV_LOG_ERROR, "Unknown codec name\n"); res = AVERROR(EINVAL); goto error; } slice_offsets = av_mallocz(slice_mode_data * sizeof(*slice_offsets)); if (!slice_offsets) return AVERROR(ENOMEM); lock_params.version = NV_ENC_LOCK_BITSTREAM_VER; lock_params.doNotWait = 0; lock_params.outputBitstream = tmpoutsurf->output_surface; lock_params.sliceOffsets = slice_offsets; nv_status = p_nvenc->nvEncLockBitstream(ctx->nvencoder, &lock_params); if (nv_status != NV_ENC_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed locking bitstream buffer\n"); res = AVERROR_EXTERNAL; goto error; } if (res = ff_alloc_packet2(avctx, pkt, lock_params.bitstreamSizeInBytes,0)) { p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface); goto error; } memcpy(pkt->data, lock_params.bitstreamBufferPtr, lock_params.bitstreamSizeInBytes); nv_status = p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface); if (nv_status != NV_ENC_SUCCESS) av_log(avctx, AV_LOG_ERROR, "Failed unlocking bitstream buffer, expect the gates of mordor to open\n"); switch (lock_params.pictureType) { case NV_ENC_PIC_TYPE_IDR: pkt->flags |= AV_PKT_FLAG_KEY; case NV_ENC_PIC_TYPE_I: pict_type = AV_PICTURE_TYPE_I; break; case NV_ENC_PIC_TYPE_P: pict_type = AV_PICTURE_TYPE_P; break; case NV_ENC_PIC_TYPE_B: pict_type = AV_PICTURE_TYPE_B; break; case NV_ENC_PIC_TYPE_BI: pict_type = AV_PICTURE_TYPE_BI; break; default: av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered, expect the output to be broken.\n"); av_log(avctx, AV_LOG_ERROR, "Please report this error and include as much information on how to reproduce it as possible.\n"); res = AVERROR_EXTERNAL; goto error; } #if FF_API_CODED_FRAME FF_DISABLE_DEPRECATION_WARNINGS avctx->coded_frame->pict_type = pict_type; FF_ENABLE_DEPRECATION_WARNINGS #endif ff_side_data_set_encoder_stats(pkt, (lock_params.frameAvgQP - 1) * FF_QP2LAMBDA, NULL, 0, pict_type); pkt->pts = lock_params.outputTimeStamp; pkt->dts = timestamp_queue_dequeue(&ctx->timestamp_list); /* when there're b frame(s), set dts offset */ if (ctx->encode_config.frameIntervalP >= 2) pkt->dts -= 1; if (pkt->dts > pkt->pts) pkt->dts = pkt->pts; if (ctx->last_dts != AV_NOPTS_VALUE && pkt->dts <= ctx->last_dts) pkt->dts = ctx->last_dts + 1; ctx->last_dts = pkt->dts; av_free(slice_offsets); return 0; error: av_free(slice_offsets); timestamp_queue_dequeue(&ctx->timestamp_list); return res; } static int nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet) { NVENCSTATUS nv_status; NvencOutputSurface *tmpoutsurf; int res, i = 0; NvencContext *ctx = avctx->priv_data; NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; NV_ENC_PIC_PARAMS pic_params = { 0 }; pic_params.version = NV_ENC_PIC_PARAMS_VER; if (frame) { NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 }; NvencInputSurface *inSurf = NULL; for (i = 0; i < ctx->max_surface_count; ++i) { if (!ctx->input_surfaces[i].lockCount) { inSurf = &ctx->input_surfaces[i]; break; } } av_assert0(inSurf); inSurf->lockCount = 1; lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER; lockBufferParams.inputBuffer = inSurf->input_surface; nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams); if (nv_status != NV_ENC_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed locking nvenc input buffer\n"); return 0; } if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) { uint8_t *buf = lockBufferParams.bufferDataPtr; av_image_copy_plane(buf, lockBufferParams.pitch, frame->data[0], frame->linesize[0], avctx->width, avctx->height); buf += inSurf->height * lockBufferParams.pitch; av_image_copy_plane(buf, lockBufferParams.pitch >> 1, frame->data[2], frame->linesize[2], avctx->width >> 1, avctx->height >> 1); buf += (inSurf->height * lockBufferParams.pitch) >> 2; av_image_copy_plane(buf, lockBufferParams.pitch >> 1, frame->data[1], frame->linesize[1], avctx->width >> 1, avctx->height >> 1); } else if (avctx->pix_fmt == AV_PIX_FMT_NV12) { uint8_t *buf = lockBufferParams.bufferDataPtr; av_image_copy_plane(buf, lockBufferParams.pitch, frame->data[0], frame->linesize[0], avctx->width, avctx->height); buf += inSurf->height * lockBufferParams.pitch; av_image_copy_plane(buf, lockBufferParams.pitch, frame->data[1], frame->linesize[1], avctx->width, avctx->height >> 1); } else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P) { uint8_t *buf = lockBufferParams.bufferDataPtr; av_image_copy_plane(buf, lockBufferParams.pitch, frame->data[0], frame->linesize[0], avctx->width, avctx->height); buf += inSurf->height * lockBufferParams.pitch; av_image_copy_plane(buf, lockBufferParams.pitch, frame->data[1], frame->linesize[1], avctx->width, avctx->height); buf += inSurf->height * lockBufferParams.pitch; av_image_copy_plane(buf, lockBufferParams.pitch, frame->data[2], frame->linesize[2], avctx->width, avctx->height); } else { av_log(avctx, AV_LOG_FATAL, "Invalid pixel format!\n"); return AVERROR(EINVAL); } nv_status = p_nvenc->nvEncUnlockInputBuffer(ctx->nvencoder, inSurf->input_surface); if (nv_status != NV_ENC_SUCCESS) { av_log(avctx, AV_LOG_FATAL, "Failed unlocking input buffer!\n"); return AVERROR_EXTERNAL; } for (i = 0; i < ctx->max_surface_count; ++i) if (!ctx->output_surfaces[i].busy) break; if (i == ctx->max_surface_count) { inSurf->lockCount = 0; av_log(avctx, AV_LOG_FATAL, "No free output surface found!\n"); return AVERROR_EXTERNAL; } ctx->output_surfaces[i].input_surface = inSurf; pic_params.inputBuffer = inSurf->input_surface; pic_params.bufferFmt = inSurf->format; pic_params.inputWidth = avctx->width; pic_params.inputHeight = avctx->height; pic_params.outputBitstream = ctx->output_surfaces[i].output_surface; pic_params.completionEvent = 0; if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) { if (frame->top_field_first) { pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM; } else { pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP; } } else { pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME; } pic_params.encodePicFlags = 0; pic_params.inputTimeStamp = frame->pts; pic_params.inputDuration = 0; switch (avctx->codec->id) { case AV_CODEC_ID_H264: pic_params.codecPicParams.h264PicParams.sliceMode = ctx->encode_config.encodeCodecConfig.h264Config.sliceMode; pic_params.codecPicParams.h264PicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData; break; case AV_CODEC_ID_H265: pic_params.codecPicParams.hevcPicParams.sliceMode = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode; pic_params.codecPicParams.hevcPicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData; break; default: av_log(avctx, AV_LOG_ERROR, "Unknown codec name\n"); return AVERROR(EINVAL); } res = timestamp_queue_enqueue(&ctx->timestamp_list, frame->pts); if (res) return res; } else { pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS; } nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params); if (frame && nv_status == NV_ENC_ERR_NEED_MORE_INPUT) { res = out_surf_queue_enqueue(&ctx->output_surface_queue, &ctx->output_surfaces[i]); if (res) return res; ctx->output_surfaces[i].busy = 1; } if (nv_status != NV_ENC_SUCCESS && nv_status != NV_ENC_ERR_NEED_MORE_INPUT) { av_log(avctx, AV_LOG_ERROR, "EncodePicture failed!\n"); return AVERROR_EXTERNAL; } if (nv_status != NV_ENC_ERR_NEED_MORE_INPUT) { while (ctx->output_surface_queue.count) { tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_queue); res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, tmpoutsurf); if (res) return res; } if (frame) { res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, &ctx->output_surfaces[i]); if (res) return res; ctx->output_surfaces[i].busy = 1; } } if (ctx->output_surface_ready_queue.count && (!frame || ctx->output_surface_ready_queue.count + ctx->output_surface_queue.count >= ctx->buffer_delay)) { tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_ready_queue); res = process_output_surface(avctx, pkt, tmpoutsurf); if (res) return res; tmpoutsurf->busy = 0; av_assert0(tmpoutsurf->input_surface->lockCount); tmpoutsurf->input_surface->lockCount--; *got_packet = 1; } else { *got_packet = 0; } return 0; } static const enum AVPixelFormat pix_fmts_nvenc[] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NV12, AV_PIX_FMT_YUV444P, AV_PIX_FMT_NONE }; #define OFFSET(x) offsetof(NvencContext, x) #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM static const AVOption options[] = { { "preset", "Set the encoding preset (one of slow = hq 2pass, medium = hq, fast = hp, hq, hp, bd, ll, llhq, llhp, default)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE }, { "profile", "Set the encoding profile (high, main, baseline or high444p)", OFFSET(profile), AV_OPT_TYPE_STRING, { .str = "main" }, 0, 0, VE }, { "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, { .str = "auto" }, 0, 0, VE }, { "tier", "Set the encoding tier (main or high)", OFFSET(tier), AV_OPT_TYPE_STRING, { .str = "main" }, 0, 0, VE }, { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, { "2pass", "Use 2pass encoding mode", OFFSET(twopass), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE }, { "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 }, { "delay", "Delays frame output by the given amount of frames.", OFFSET(buffer_delay), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE }, { NULL } }; static const AVCodecDefault nvenc_defaults[] = { { "b", "2M" }, { "qmin", "-1" }, { "qmax", "-1" }, { "qdiff", "-1" }, { "qblur", "-1" }, { "qcomp", "-1" }, { "g", "250" }, { "bf", "0" }, { NULL }, }; #if CONFIG_NVENC_ENCODER static const AVClass nvenc_class = { .class_name = "nvenc", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, }; AVCodec ff_nvenc_encoder = { .name = "nvenc", .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC h264 encoder"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_H264, .priv_data_size = sizeof(NvencContext), .init = nvenc_encode_init, .encode2 = nvenc_encode_frame, .close = nvenc_encode_close, .capabilities = AV_CODEC_CAP_DELAY, .priv_class = &nvenc_class, .defaults = nvenc_defaults, .pix_fmts = pix_fmts_nvenc, }; #endif /* Add an alias for nvenc_h264 */ #if CONFIG_NVENC_H264_ENCODER static const AVClass nvenc_h264_class = { .class_name = "nvenc_h264", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, }; AVCodec ff_nvenc_h264_encoder = { .name = "nvenc_h264", .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC h264 encoder"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_H264, .priv_data_size = sizeof(NvencContext), .init = nvenc_encode_init, .encode2 = nvenc_encode_frame, .close = nvenc_encode_close, .capabilities = AV_CODEC_CAP_DELAY, .priv_class = &nvenc_h264_class, .defaults = nvenc_defaults, .pix_fmts = pix_fmts_nvenc, }; #endif #if CONFIG_NVENC_HEVC_ENCODER static const AVClass nvenc_hevc_class = { .class_name = "nvenc_hevc", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, }; AVCodec ff_nvenc_hevc_encoder = { .name = "nvenc_hevc", .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC hevc encoder"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_H265, .priv_data_size = sizeof(NvencContext), .init = nvenc_encode_init, .encode2 = nvenc_encode_frame, .close = nvenc_encode_close, .capabilities = AV_CODEC_CAP_DELAY, .priv_class = &nvenc_hevc_class, .defaults = nvenc_defaults, .pix_fmts = pix_fmts_nvenc, }; #endif