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135 lines
3.5 KiB
135 lines
3.5 KiB
/* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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#ifndef AVCODEC_NVENC_H |
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#define AVCODEC_NVENC_H |
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#include <cuda.h> |
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#include <nvEncodeAPI.h> |
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#include "libavutil/fifo.h" |
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#include "libavutil/opt.h" |
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#include "avcodec.h" |
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typedef struct NVENCInputSurface { |
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NV_ENC_INPUT_PTR in; |
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NV_ENC_BUFFER_FORMAT format; |
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int locked; |
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} NVENCInputSurface; |
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typedef struct NVENCOutputSurface { |
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NV_ENC_OUTPUT_PTR out; |
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NVENCInputSurface *in; |
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int busy; |
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} NVENCOutputSurface; |
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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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typedef NVENCSTATUS (NVENCAPI *PNVENCODEAPICREATEINSTANCE)(NV_ENCODE_API_FUNCTION_LIST *functionList); |
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typedef struct NVENCLibraryContext |
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{ |
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void *cuda; |
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void *nvenc; |
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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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NV_ENCODE_API_FUNCTION_LIST nvenc_funcs; |
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} NVENCLibraryContext; |
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enum { |
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PRESET_DEFAULT, |
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PRESET_HP, |
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PRESET_HQ, |
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PRESET_BD , |
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PRESET_LOW_LATENCY_DEFAULT , |
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PRESET_LOW_LATENCY_HQ , |
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PRESET_LOW_LATENCY_HP, |
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PRESET_LOSSLESS_DEFAULT, |
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PRESET_LOSSLESS_HP, |
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}; |
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enum { |
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NV_ENC_H264_PROFILE_BASELINE, |
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NV_ENC_H264_PROFILE_MAIN, |
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NV_ENC_H264_PROFILE_HIGH, |
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NV_ENC_H264_PROFILE_HIGH_444, |
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NV_ENC_H264_PROFILE_CONSTRAINED_HIGH, |
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}; |
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enum { |
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NVENC_LOWLATENCY = 1, |
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NVENC_LOSSLESS, |
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}; |
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enum { |
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LIST_DEVICES = -2, |
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ANY_DEVICE, |
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}; |
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typedef struct NVENCContext { |
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AVClass *class; |
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NVENCLibraryContext nvel; |
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NV_ENC_INITIALIZE_PARAMS params; |
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NV_ENC_CONFIG config; |
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CUcontext cu_context; |
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int nb_surfaces; |
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NVENCInputSurface *in; |
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NVENCOutputSurface *out; |
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AVFifoBuffer *timestamps; |
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AVFifoBuffer *pending, *ready; |
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int64_t last_dts; |
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void *nvenc_ctx; |
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int preset; |
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int profile; |
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int level; |
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int tier; |
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int rc; |
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int device; |
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int flags; |
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} NVENCContext; |
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int ff_nvenc_encode_init(AVCodecContext *avctx); |
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int ff_nvenc_encode_close(AVCodecContext *avctx); |
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int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
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const AVFrame *frame, int *got_packet); |
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#endif /* AVCODEC_NVENC_H */
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