diff options
Diffstat (limited to 'libavcodec/nvenc.c')
| -rw-r--r-- | libavcodec/nvenc.c | 1452 |
1 files changed, 1452 insertions, 0 deletions
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c new file mode 100644 index 0000000000..0a418a7a34 --- /dev/null +++ b/libavcodec/nvenc.c @@ -0,0 +1,1452 @@ +/* + * H.264 hardware encoding using nvidia nvenc + * Copyright (c) 2014 Timo Rothenpieler <timo@rothenpieler.org> + * + * 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 <windows.h> +#else +#include <dlfcn.h> +#endif + +#include <nvEncodeAPI.h> + +#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; + }; +} 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; +} 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_h265_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.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->surface; +} + +static int timestamp_queue_enqueue(NvencDataList* queue, int64_t timestamp) +{ + NvencData data; + data.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->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 = 0x30; + break; + case AV_CODEC_ID_H265: + target_smver = 0x52; + break; + default: + av_log(avctx, AV_LOG_FATAL, "nvenc: 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; + int surfaceCount = 0; + int i, num_mbs; + int isLL = 0; + int res = 0; + int dw, dh; + + 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; + + avctx->coded_frame = av_frame_alloc(); + if (!avctx->coded_frame) { + res = AVERROR(ENOMEM); + goto error; + } + + 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, 0, dl_fn->nvenc_devices[ctx->gpu]); + + 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 - invalid license key?\n", (int)nv_status); + res = AVERROR_EXTERNAL; + goto error; + } + + if (ctx->preset) { + if (!strcmp(ctx->preset, "hp")) { + encoder_preset = NV_ENC_PRESET_HP_GUID; + } else if (!strcmp(ctx->preset, "hq")) { + encoder_preset = NV_ENC_PRESET_HQ_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, "default")) { + encoder_preset = NV_ENC_PRESET_DEFAULT_GUID; + } else { + av_log(avctx, AV_LOG_FATAL, "Preset \"%s\" is unknown! Supported presets: hp, hq, bd, ll, llhp, llhq, default\n", ctx->preset); + res = AVERROR(EINVAL); + goto error; + } + } + + 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, "nvenc: 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; + + 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; + + if (avctx->rc_max_rate > 0) + ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate; + + if (ctx->cbr) { + if (!ctx->twopass) { + ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR; + } else if (ctx->twopass == 1 || isLL) { + 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; + } + + if (!isLL) + av_log(avctx, AV_LOG_WARNING, "Twopass mode is only known to work with low latency (ll, llhq, llhp) presets.\n"); + } else { + ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR; + } + } 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.rateControlMode = NV_ENC_PARAMS_RC_VBR; + + 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; + } + + if (avctx->rc_buffer_size > 0) + ctx->encode_config.rcParams.vbvBufferSize = avctx->rc_buffer_size; + + if (avctx->flags & 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.colourDescriptionPresentFlag = 1; + ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoSignalTypePresentFlag = 1; + + 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; + + ctx->encode_config.encodeCodecConfig.h264Config.disableSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0; + ctx->encode_config.encodeCodecConfig.h264Config.repeatSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1; + + if (!ctx->profile) { + switch (avctx->profile) { + 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 { + av_log(avctx, AV_LOG_FATAL, "Profile \"%s\" is unknown! Supported profiles: high, main, baseline\n", ctx->profile); + res = AVERROR(EINVAL); + goto error; + } + } + + 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.disableSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0; + ctx->encode_config.encodeCodecConfig.hevcConfig.repeatSPSPPS = (avctx->flags & 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_h265_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 & 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 + FF_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; + + 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); + + av_frame_free(&avctx->coded_frame); + + 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); + + av_frame_free(&avctx->coded_frame); + + return 0; +} + +static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, AVFrame *coded_frame, 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; + + 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, "nvenc: 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)) { + 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: + avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; + break; + case NV_ENC_PIC_TYPE_P: + avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P; + break; + case NV_ENC_PIC_TYPE_B: + avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B; + break; + case NV_ENC_PIC_TYPE_BI: + avctx->coded_frame->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; + } + + 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 & 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, "nvenc: 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) { + tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_ready_queue); + + res = process_output_surface(avctx, pkt, avctx->coded_frame, 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_NV12, + 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 hq, hp, bd, ll, llhq, llhp, default)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "hq" }, 0, 0, VE }, + { "profile", "Set the encoding profile (high, main or baseline)", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 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, { 0 }, 0, 0, VE }, + { "tier", "Set the encoding tier (main or high)", OFFSET(tier), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, + { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, + { "2pass", "Use 2pass cbr encoding mode (low latency mode only)", OFFSET(twopass), AV_OPT_TYPE_INT, { .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 }, + { NULL } +}; + +static const AVCodecDefault nvenc_defaults[] = { + { "b", "0" }, + { "qmin", "-1" }, + { "qmax", "-1" }, + { "qdiff", "-1" }, + { "qblur", "-1" }, + { "qcomp", "-1" }, + { 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 = CODEC_CAP_DELAY, + .priv_class = &nvenc_class, + .defaults = nvenc_defaults, + .pix_fmts = pix_fmts_nvenc, +}; +#endif + +#if CONFIG_NVENC_H265_ENCODER +static const AVClass nvenc_h265_class = { + .class_name = "nvenc_h265", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + +AVCodec ff_nvenc_h265_encoder = { + .name = "nvenc_h265", + .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC h265 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 = CODEC_CAP_DELAY, + .priv_class = &nvenc_h265_class, + .defaults = nvenc_defaults, + .pix_fmts = pix_fmts_nvenc, +}; +#endif |