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1189 lines
38 KiB
1189 lines
38 KiB
/* |
|
* H.264 hardware encoding using nvidia nvenc |
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* Copyright (c) 2014 Timo Rothenpieler <timo@rothenpieler.org> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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#if defined(_WIN32) && !defined(__CYGWIN__) |
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#include <windows.h> |
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#else |
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#include <dlfcn.h> |
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#endif |
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|
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/* NVENC API is stdcall in cygwin, as it's still Windows */ |
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#if defined(__CYGWIN__) && !defined(_WIN32) |
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#define _WIN32 |
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#define TEMP_WIN32 |
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#endif |
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|
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#include <nvEncodeAPI.h> |
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|
|
#if defined(TEMP_WIN32) |
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#undef _WIN32 |
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#endif |
|
|
|
|
|
#include "libavutil/internal.h" |
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#include "libavutil/imgutils.h" |
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#include "libavutil/avassert.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/mem.h" |
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#include "avcodec.h" |
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#include "internal.h" |
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#include "thread.h" |
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|
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#if defined(_WIN32) || defined(__CYGWIN__) |
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#define CUDAAPI __stdcall |
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#else |
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#define CUDAAPI |
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#endif |
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|
|
#if defined(_WIN32) && !defined(__CYGWIN__) |
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#define LOAD_FUNC(l, s) GetProcAddress(l, s) |
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#define DL_CLOSE_FUNC(l) FreeLibrary(l) |
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#else |
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#define LOAD_FUNC(l, s) dlsym(l, s) |
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#define DL_CLOSE_FUNC(l) dlclose(l) |
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#endif |
|
|
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typedef enum cudaError_enum { |
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CUDA_SUCCESS = 0 |
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} CUresult; |
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typedef int CUdevice; |
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typedef void* CUcontext; |
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|
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typedef CUresult(CUDAAPI *PCUINIT)(unsigned int Flags); |
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typedef CUresult(CUDAAPI *PCUDEVICEGETCOUNT)(int *count); |
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typedef CUresult(CUDAAPI *PCUDEVICEGET)(CUdevice *device, int ordinal); |
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typedef CUresult(CUDAAPI *PCUDEVICEGETNAME)(char *name, int len, CUdevice dev); |
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typedef CUresult(CUDAAPI *PCUDEVICECOMPUTECAPABILITY)(int *major, int *minor, CUdevice dev); |
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typedef CUresult(CUDAAPI *PCUCTXCREATE)(CUcontext *pctx, unsigned int flags, CUdevice dev); |
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typedef CUresult(CUDAAPI *PCUCTXPOPCURRENT)(CUcontext *pctx); |
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typedef CUresult(CUDAAPI *PCUCTXDESTROY)(CUcontext ctx); |
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|
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typedef NVENCSTATUS (NVENCAPI* PNVENCODEAPICREATEINSTANCE)(NV_ENCODE_API_FUNCTION_LIST *functionList); |
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|
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static const GUID dummy_license = { 0x0, 0x0, 0x0, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 } }; |
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|
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typedef struct NvencInputSurface |
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{ |
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NV_ENC_INPUT_PTR input_surface; |
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int width; |
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int height; |
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|
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int lockCount; |
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|
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NV_ENC_BUFFER_FORMAT format; |
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} NvencInputSurface; |
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|
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typedef struct NvencOutputSurface |
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{ |
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NV_ENC_OUTPUT_PTR output_surface; |
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int size; |
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|
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NvencInputSurface* input_surface; |
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|
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int busy; |
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} NvencOutputSurface; |
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|
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typedef struct NvencData |
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{ |
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union { |
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int64_t timestamp; |
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NvencOutputSurface *surface; |
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}; |
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} NvencData; |
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|
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typedef struct NvencDataList |
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{ |
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NvencData* data; |
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|
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uint32_t pos; |
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uint32_t count; |
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uint32_t size; |
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} NvencDataList; |
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|
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typedef struct NvencDynLoadFunctions |
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{ |
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PCUINIT cu_init; |
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PCUDEVICEGETCOUNT cu_device_get_count; |
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PCUDEVICEGET cu_device_get; |
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PCUDEVICEGETNAME cu_device_get_name; |
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PCUDEVICECOMPUTECAPABILITY cu_device_compute_capability; |
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PCUCTXCREATE cu_ctx_create; |
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PCUCTXPOPCURRENT cu_ctx_pop_current; |
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PCUCTXDESTROY cu_ctx_destroy; |
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|
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NV_ENCODE_API_FUNCTION_LIST nvenc_funcs; |
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int nvenc_device_count; |
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CUdevice nvenc_devices[16]; |
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|
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#if defined(_WIN32) && !defined(__CYGWIN__) |
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HMODULE cuda_lib; |
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HMODULE nvenc_lib; |
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#else |
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void* cuda_lib; |
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void* nvenc_lib; |
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#endif |
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} NvencDynLoadFunctions; |
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|
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typedef struct NvencContext |
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{ |
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AVClass *avclass; |
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|
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NvencDynLoadFunctions nvenc_dload_funcs; |
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|
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NV_ENC_INITIALIZE_PARAMS init_encode_params; |
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NV_ENC_CONFIG encode_config; |
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CUcontext cu_context; |
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|
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int max_surface_count; |
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NvencInputSurface *input_surfaces; |
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NvencOutputSurface *output_surfaces; |
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|
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NvencDataList output_surface_queue; |
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NvencDataList output_surface_ready_queue; |
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NvencDataList timestamp_list; |
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int64_t last_dts; |
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|
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void *nvencoder; |
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|
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char *preset; |
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int cbr; |
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int twopass; |
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int gobpattern; |
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int gpu; |
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} NvencContext; |
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|
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static NvencData* data_queue_dequeue(NvencDataList* queue) |
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{ |
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uint32_t mask; |
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uint32_t read_pos; |
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|
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av_assert0(queue); |
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av_assert0(queue->size); |
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av_assert0(queue->data); |
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|
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if (!queue->count) |
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return NULL; |
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|
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/* Size always is a multiple of two */ |
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mask = queue->size - 1; |
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read_pos = (queue->pos - queue->count) & mask; |
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queue->count--; |
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|
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return &queue->data[read_pos]; |
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} |
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|
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static int data_queue_enqueue(NvencDataList* queue, NvencData *data) |
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{ |
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NvencDataList new_queue; |
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NvencData* tmp_data; |
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uint32_t mask; |
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|
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if (!queue->size) { |
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/* size always has to be a multiple of two */ |
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queue->size = 4; |
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queue->pos = 0; |
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queue->count = 0; |
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|
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queue->data = av_malloc(queue->size * sizeof(*(queue->data))); |
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|
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if (!queue->data) { |
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queue->size = 0; |
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return AVERROR(ENOMEM); |
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} |
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} |
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|
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if (queue->count == queue->size) { |
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new_queue.size = queue->size << 1; |
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new_queue.pos = 0; |
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new_queue.count = 0; |
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new_queue.data = av_malloc(new_queue.size * sizeof(*(queue->data))); |
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|
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if (!new_queue.data) |
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return AVERROR(ENOMEM); |
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|
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while (tmp_data = data_queue_dequeue(queue)) |
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data_queue_enqueue(&new_queue, tmp_data); |
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|
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av_free(queue->data); |
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*queue = new_queue; |
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} |
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|
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mask = queue->size - 1; |
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|
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queue->data[queue->pos] = *data; |
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queue->pos = (queue->pos + 1) & mask; |
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queue->count++; |
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|
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return 0; |
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} |
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|
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static int out_surf_queue_enqueue(NvencDataList* queue, NvencOutputSurface* surface) |
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{ |
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NvencData data; |
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data.surface = surface; |
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|
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return data_queue_enqueue(queue, &data); |
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} |
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|
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static NvencOutputSurface* out_surf_queue_dequeue(NvencDataList* queue) |
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{ |
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NvencData* res = data_queue_dequeue(queue); |
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|
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if (!res) |
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return NULL; |
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|
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return res->surface; |
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} |
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|
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static int timestamp_queue_enqueue(NvencDataList* queue, int64_t timestamp) |
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{ |
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NvencData data; |
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data.timestamp = timestamp; |
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|
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return data_queue_enqueue(queue, &data); |
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} |
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|
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static int64_t timestamp_queue_dequeue(NvencDataList* queue) |
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{ |
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NvencData* res = data_queue_dequeue(queue); |
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|
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if (!res) |
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return AV_NOPTS_VALUE; |
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|
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return res->timestamp; |
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} |
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|
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#define CHECK_LOAD_FUNC(t, f, s) \ |
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do { \ |
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(f) = (t)LOAD_FUNC(dl_fn->cuda_lib, s); \ |
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if (!(f)) { \ |
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av_log(avctx, AV_LOG_FATAL, "Failed loading %s from CUDA library\n", s); \ |
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goto error; \ |
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} \ |
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} while (0) |
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|
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static av_cold int nvenc_dyload_cuda(AVCodecContext *avctx) |
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{ |
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NvencContext *ctx = avctx->priv_data; |
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NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; |
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|
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if (dl_fn->cuda_lib) |
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return 1; |
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|
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#if defined(_WIN32) |
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dl_fn->cuda_lib = LoadLibrary(TEXT("nvcuda.dll")); |
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#elif defined(__CYGWIN__) |
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dl_fn->cuda_lib = dlopen("nvcuda.dll", RTLD_LAZY); |
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#else |
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dl_fn->cuda_lib = dlopen("libcuda.so", RTLD_LAZY); |
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#endif |
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|
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if (!dl_fn->cuda_lib) { |
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av_log(avctx, AV_LOG_FATAL, "Failed loading CUDA library\n"); |
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goto error; |
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} |
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|
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CHECK_LOAD_FUNC(PCUINIT, dl_fn->cu_init, "cuInit"); |
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CHECK_LOAD_FUNC(PCUDEVICEGETCOUNT, dl_fn->cu_device_get_count, "cuDeviceGetCount"); |
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CHECK_LOAD_FUNC(PCUDEVICEGET, dl_fn->cu_device_get, "cuDeviceGet"); |
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CHECK_LOAD_FUNC(PCUDEVICEGETNAME, dl_fn->cu_device_get_name, "cuDeviceGetName"); |
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CHECK_LOAD_FUNC(PCUDEVICECOMPUTECAPABILITY, dl_fn->cu_device_compute_capability, "cuDeviceComputeCapability"); |
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CHECK_LOAD_FUNC(PCUCTXCREATE, dl_fn->cu_ctx_create, "cuCtxCreate_v2"); |
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CHECK_LOAD_FUNC(PCUCTXPOPCURRENT, dl_fn->cu_ctx_pop_current, "cuCtxPopCurrent_v2"); |
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CHECK_LOAD_FUNC(PCUCTXDESTROY, dl_fn->cu_ctx_destroy, "cuCtxDestroy_v2"); |
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|
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return 1; |
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|
|
error: |
|
|
|
if (dl_fn->cuda_lib) |
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DL_CLOSE_FUNC(dl_fn->cuda_lib); |
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|
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dl_fn->cuda_lib = NULL; |
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|
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return 0; |
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} |
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|
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static av_cold int check_cuda_errors(AVCodecContext *avctx, CUresult err, const char *func) |
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{ |
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if (err != CUDA_SUCCESS) { |
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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 |
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|
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static av_cold int nvenc_check_cuda(AVCodecContext *avctx) |
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{ |
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int device_count = 0; |
|
CUdevice cu_device = 0; |
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char gpu_name[128]; |
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int smminor = 0, smmajor = 0; |
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int i, smver; |
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|
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NvencContext *ctx = avctx->priv_data; |
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NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; |
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|
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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 >= 0x30) ? "Available" : "Not Available"); |
|
|
|
if (smver >= 0x30) |
|
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")); |
|
} |
|
#elif defined(__CYGWIN__) |
|
if (sizeof(void*) == 8) { |
|
dl_fn->nvenc_lib = dlopen("nvEncodeAPI64.dll", RTLD_LAZY); |
|
} else { |
|
dl_fn->nvenc_lib = dlopen("nvEncodeAPI.dll", RTLD_LAZY); |
|
} |
|
#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 license = dummy_license; |
|
NVENCSTATUS nv_status = NV_ENC_SUCCESS; |
|
int surfaceCount = 0; |
|
int i, num_mbs; |
|
int isLL = 0; |
|
int res = 0; |
|
|
|
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; |
|
encode_session_params.clientKeyPtr = &license; |
|
|
|
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; |
|
} |
|
} |
|
|
|
nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder, NV_ENC_CODEC_H264_GUID, 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 = NV_ENC_CODEC_H264_GUID; |
|
ctx->init_encode_params.encodeHeight = avctx->height; |
|
ctx->init_encode_params.encodeWidth = avctx->width; |
|
ctx->init_encode_params.darHeight = avctx->height; |
|
ctx->init_encode_params.darWidth = avctx->width; |
|
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->gop_size >= 0) { |
|
ctx->encode_config.gopLength = avctx->gop_size; |
|
ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = avctx->gop_size; |
|
} |
|
|
|
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; |
|
|
|
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->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 h264 profile requested, falling back to high\n"); |
|
ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID; |
|
break; |
|
} |
|
|
|
if (ctx->gobpattern >= 0) { |
|
ctx->encode_config.frameIntervalP = 1; |
|
} |
|
|
|
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; |
|
|
|
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_offsets = av_mallocz(ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData * sizeof(*slice_offsets)); |
|
NV_ENC_LOCK_BITSTREAM lock_params = { 0 }; |
|
NVENCSTATUS nv_status; |
|
int res = 0; |
|
|
|
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); |
|
|
|
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; |
|
pic_params.codecPicParams.h264PicParams.sliceMode = ctx->encode_config.encodeCodecConfig.h264Config.sliceMode; |
|
pic_params.codecPicParams.h264PicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData; |
|
memcpy(&pic_params.rcParams, &ctx->encode_config.rcParams, sizeof(NV_ENC_RC_PARAMS)); |
|
|
|
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 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 }, |
|
{ "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 }, |
|
{ "goppattern", "Specifies the GOP pattern as follows: 0: I, 1: IPP, 2: IBP, 3: IBBP", OFFSET(gobpattern), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 3, 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 AVClass nvenc_class = { |
|
.class_name = "nvenc", |
|
.item_name = av_default_item_name, |
|
.option = options, |
|
.version = LIBAVUTIL_VERSION_INT, |
|
}; |
|
|
|
static const AVCodecDefault nvenc_defaults[] = { |
|
{ "b", "0" }, |
|
{ "qmin", "-1" }, |
|
{ "qmax", "-1" }, |
|
{ "qdiff", "-1" }, |
|
{ "qblur", "-1" }, |
|
{ "qcomp", "-1" }, |
|
{ NULL }, |
|
}; |
|
|
|
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, |
|
};
|
|
|