File size: 3,874 Bytes
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 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | /*
* 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.
*
*/
#include "NvEnc.h"
#define CUDA_DRVAPI_CALL( call ) \
do \
{ \
CUresult err__ = call; \
if (err__ != CUDA_SUCCESS) \
{ \
const char *szErrName = NULL; \
cuGetErrorName(err__, &szErrName); \
std::ostringstream errorLog; \
errorLog << "CUDA driver API error " << szErrName ; \
throw NVENCException::makeNVENCException(errorLog.str(), NV_ENC_ERR_GENERIC, __FUNCTION__, __FILE__, __LINE__); \
} \
} \
while (0)
NvEnc::NvEnc(CUcontext cuContext, uint32_t nWidth, uint32_t nHeight, NV_ENC_BUFFER_FORMAT eBufferFormat,
uint32_t nExtraOutputDelay, bool bMotionEstimationOnly):
NvEncoder(NV_ENC_DEVICE_TYPE_CUDA, cuContext, nWidth, nHeight, eBufferFormat, nExtraOutputDelay, bMotionEstimationOnly),
m_cuContext(cuContext)
{
if (!m_hEncoder)
{
NVENC_THROW_ERROR("Encoder Initialization failed", NV_ENC_ERR_INVALID_DEVICE);
}
if (!m_cuContext)
{
NVENC_THROW_ERROR("Invalid Cuda Context", NV_ENC_ERR_INVALID_DEVICE);
}
}
NvEnc::~NvEnc()
{
ReleaseCudaResources();
}
void NvEnc::AllocateInputBuffers(int32_t numInputBuffers)
{
// We're not going to actually allocate buffers here because it is the
// caller's responsibility to do that. This method has only been defined
// because NvEncoder::AllocateInputBuffers() is a pure virtual function.
}
void NvEnc::ReleaseInputBuffers()
{
// Since no input buffers were allocated, we're not going to free them.
}
void NvEnc::RegisterInputResources(std::vector<void*> inputframes,
NV_ENC_INPUT_RESOURCE_TYPE eResourceType, int width, int height, int pitch,
NV_ENC_BUFFER_FORMAT bufferFormat, bool bRegisterAsReferences
)
{
NvEncoder::RegisterInputResources(inputframes, eResourceType, width, height,
pitch, bufferFormat, bRegisterAsReferences);
}
void NvEnc::UnregisterInputResources()
{
NvEncoder::UnregisterInputResources();
}
void NvEnc::ReleaseCudaResources()
{
if (!m_hEncoder)
{
return;
}
if (!m_cuContext)
{
return;
}
UnregisterInputResources();
m_cuContext = nullptr;
}
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