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* SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: LicenseRef-NvidiaProprietary
*
* NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
* property and proprietary rights in and to this material, related
* documentation and any modifications thereto. Any use, reproduction,
* disclosure or distribution of this material and related documentation
* without an express license agreement from NVIDIA CORPORATION or
* its affiliates is strictly prohibited.
*/
#include <stdio.h>
#include <iostream>
#include <thread>
#include <chrono>
#include <cuda.h>
#include <atomic>
#include <memory>
#include "NvEncoder/NvEncoderCuda.h"
#include "../Utils/NvEncoderCLIOptions.h"
#include "../Utils/NvCodecUtils.h"
#include <condition_variable>
#include <mutex>
#define bufSize 2
template<typename T, typename... Args>
std::unique_ptr<T> make_unique(Args&&... args) {
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
class NvCUStream
{
public:
NvCUStream(CUcontext cuDevice, int cuStreamType, std::unique_ptr<NvEncoderCuda> &pEnc)
{
device = cuDevice;
CUDA_DRVAPI_CALL(cuCtxPushCurrent(device));
// Create CUDA streams
if (cuStreamType == 1)
{
ck(cuStreamCreate(&inputStream, CU_STREAM_DEFAULT));
outputStream = inputStream;
}
else if (cuStreamType == 2)
{
ck(cuStreamCreate(&inputStream, CU_STREAM_DEFAULT));
ck(cuStreamCreate(&outputStream, CU_STREAM_DEFAULT));
}
CUDA_DRVAPI_CALL(cuCtxPopCurrent(NULL));
// Set input and output CUDA streams in driver
pEnc->SetIOCudaStreams((NV_ENC_CUSTREAM_PTR)&inputStream, (NV_ENC_CUSTREAM_PTR)&outputStream);
}
~NvCUStream()
{
ck(cuCtxPushCurrent(device));
if (inputStream == outputStream)
{
if (inputStream != NULL)
ck(cuStreamDestroy(inputStream));
}
else
{
if (inputStream != NULL)
ck(cuStreamDestroy(inputStream));
if (outputStream != NULL)
ck(cuStreamDestroy(outputStream));
}
ck(cuCtxPopCurrent(NULL));
}
CUstream GetOutputCUStream() { return outputStream; };
CUstream GetInputCUStream() { return inputStream; };
private:
CUcontext device;
CUstream inputStream = NULL, outputStream = NULL;
};
struct EncodedFrameData {
uint8_t* data;
uint32_t size;
uint32_t offset;
};
struct safeBuffer {
std::atomic<bool> readyToEdit; // true = can EDIT content / false = can READ content
std::condition_variable condVarReady;
std::mutex mutex;
uint8_t* data;
};
struct IOEncoderMem
{
safeBuffer hostInBuf[bufSize];
safeBuffer hostOutBuf;
std::vector<EncodedFrameData> hostEncodedData;
~IOEncoderMem() {
for (int inBuf = 0; inBuf < bufSize; inBuf++){
if (hostInBuf[inBuf].data) {
cuMemFreeHost(hostInBuf[inBuf].data);
hostInBuf[inBuf].data = nullptr;
}
}
if (hostOutBuf.data) {
cuMemFreeHost(hostOutBuf.data);
hostOutBuf.data = nullptr;
}
}
};
struct ThreadData
{
std::unique_ptr<NvEncoderCuda> encSession;
std::unique_ptr<NvCUStream> cuStream;
CUcontext *cuContext;
~ThreadData() {
cuStream.release();
encSession.release();
};
};
struct fileReadData
{
ThreadData* threadData;
IOEncoderMem* ioVideoMem;
uint32_t vidPortionNum;
uint32_t vidThreadIdx;
uint32_t numFrames;
bool isLast;
bool isSingleThread;
uint64_t videoSize;
uint64_t offset;
char* filePath;
};
struct encodeData
{
ThreadData* threadData;
IOEncoderMem* ioVideoMem;
uint32_t vidPortionNum;
uint32_t vidThreadIdx;
uint32_t numFrames;
bool isLast;
bool isSingleThread;
uint64_t videoSize;
uint64_t offset;
char* filePath;
};
struct fileWriteData
{
std::ofstream* fpOut;
IOEncoderMem* ioVideoMem;
uint32_t vidPortionNum;
uint32_t vidThreadIdx;
char *outPath;
bool isFirst;
bool isLast;
bool isAV1;
}; |