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ea55f45 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | /*
* Copyright 2017-2024 NVIDIA Corporation. All rights reserved.
*
* Please refer to the NVIDIA end user license agreement (EULA) associated
* with this source code for terms and conditions that govern your use of
* this software. Any use, reproduction, disclosure, or distribution of
* this software and related documentation outside the terms of the EULA
* is strictly prohibited.
*
*/
#pragma once
#include <vector>
#include <stdint.h>
#include <mutex>
#include <cuda.h>
#include "NvEncoder/NvEncoder.h"
class NvEnc : public NvEncoder
{
public:
NvEnc(CUcontext cuContext, uint32_t nWidth, uint32_t nHeight, NV_ENC_BUFFER_FORMAT eBufferFormat,
uint32_t nExtraOutputDelay = 3, bool bMotionEstimationOnly = false);
virtual ~NvEnc();
void RegisterInputResources(std::vector<void*> inputframes, NV_ENC_INPUT_RESOURCE_TYPE eResourceType,
int width, int height, int pitch, NV_ENC_BUFFER_FORMAT bufferFormat,
bool bRegisterAsReferences = false);
void UnregisterInputResources();
private:
/**
* @brief This function is used to allocate input buffers for encoding.
* This function is an override of virtual function NvEncoder::AllocateInputBuffers().
*/
virtual void AllocateInputBuffers(int32_t numInputBuffers) override;
/**
* @brief This function is used to release the input buffers allocated for encoding.
* This function is an override of virtual function NvEncoder::ReleaseInputBuffers().
*/
virtual void ReleaseInputBuffers() override;
private:
/**
* @brief This is a private function to release CUDA device memory used for encoding.
*/
void ReleaseCudaResources();
private:
size_t m_cudaPitch = 0;
CUcontext m_cuContext;
};
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