public bool InitDecoder(CudaTools.DECODER_MODE modeDecoder, int outputWidth, int outputHeight, CudaTools.CODEC codec = CudaTools.CODEC.H264)
{
bool Success = InitCuda();
if (Success)
{
FreeDecoder();
if ((m_videoDecoder = CudaTools.VideoDecoder_Create64(m_cudaContext)) != IntPtr.Zero)
{
IntPtr semaphoreInput;
IntPtr semaphoreOutput;
IntPtr eventStopped;
CudaTools.VideoDecoder_GetWindowsHandles64(m_videoDecoder, out semaphoreInput, out semaphoreOutput, out eventStopped);
m_InputQueueSemaphore = new Semaphore(0, int.MaxValue);
m_InputQueueSemaphore.SafeWaitHandle = new SafeWaitHandle(semaphoreInput, false);
m_OutputQueueSemaphore = new Semaphore(0, int.MaxValue);
m_OutputQueueSemaphore.SafeWaitHandle = new SafeWaitHandle(semaphoreOutput, false);
if (Success = CudaTools.VideoDecoder_Init64(m_videoDecoder))
{
CudaTools.VideoDecoder_ConfigureDecoder64(m_videoDecoder, outputWidth, outputHeight, (int)modeDecoder, (int)codec);
Success = true;
}
}
}
return(Success);
}
public bool Init(CudaTools.DECODER_MODE modeDecoder,
CudaTools.ENCODER_MODE modeEncoder,
CudaTools.VIDEOSINK_MODE modeSink,
int outputWidth, int outputHeight,
int bitRate, int frameRate, int gopLength,
int invalidateRefFramesEnableFlag = 0,
int intraRefreshEnableFlag = 1,
int intraRefreshPeriod = 5,
int intraRefreshDuration = 5)
{
bool success = false;
if (success = InitDecoder(modeDecoder, outputWidth, outputHeight))
{
if (success = InitEncoder(modeEncoder, modeSink, bitRate, frameRate, gopLength, invalidateRefFramesEnableFlag,
intraRefreshEnableFlag, intraRefreshPeriod, intraRefreshDuration))
{
if (success)
{
IntPtr semaphoreOutput;
IntPtr eventStopped;
CudaTools.VideoEncoder_GetWindowsHandles64(m_videoEncoder, out eventStopped, out semaphoreOutput);
m_OutputQueueEncoderSemaphore = new Semaphore(0, int.MaxValue);
m_OutputQueueEncoderSemaphore.SafeWaitHandle = new SafeWaitHandle(semaphoreOutput, false);
}
}
}
return(success);
}
public bool GetOutputFrame(WaitHandle hExit, int msWait = 0)
{
bool success = false;
switch (WaitHandle.WaitAny(new WaitHandle[] { m_OutputQueueEncoderSemaphore, hExit }, msWait))
{
case 0:
{
IntPtr frame;
int numBytes;
int haveFrame = CudaTools.VideoEncoder_GetNextEncodedFrame64(m_videoEncoder, out frame, out numBytes);
//Debug.Print(size.ToString());
if (haveFrame == 1)
{
m_frameStore = new byte[numBytes];
Marshal.Copy(frame, m_frameStore, 0, (int)numBytes);
CudaTools.VideoEncoder_ReleaseFrame64(m_videoEncoder);
success = true;
}
}
break;
case 1:
break;
case WaitHandle.WaitTimeout:
break;
}
return(success);
}
public void FreeCuda()
{
if (m_cuda != IntPtr.Zero)
{
CudaTools.Cuda_Free64(m_cuda);
m_cuda = IntPtr.Zero;
}
}
public void FreeEncoder()
{
if (m_videoEncoder != IntPtr.Zero)
{
CudaTools.VideoEncoder_Free64(m_videoEncoder);
m_videoEncoder = IntPtr.Zero;
}
}
public bool InputNewCompressedFrame(byte[] frame)
{
bool success = false;
if (m_InputQueueSemaphore.WaitOne(5000))
{
CudaTools.VideoDecoder_NewInputFrame64(m_videoDecoder, frame, frame.Length);
success = true;
}
return(success);
}
public void Stop()
{
if (m_videoDecoder != IntPtr.Zero)
{
CudaTools.VideoDecoder_Stop64(m_videoDecoder);
}
if (m_videoEncoder != IntPtr.Zero)
{
CudaTools.VideoEncoder_Stop64(m_videoEncoder);
}
}
public IntPtr GetUncompressedFrameGPU()
{
int width;
int height;
int format;
UInt64 timeStamp;
IntPtr pFrame;
int numBytes;
CudaTools.VideoDecoder_GetNextDecodedFrameGPU64(m_videoDecoder, out pFrame, out numBytes, out width, out height, out format, out timeStamp);
return(IntPtr.Zero);
}
public void CloseDecoder()
{
decodedFrame = null;
if (m_videoDecoder != IntPtr.Zero)
{
CudaTools.VideoDecoder_Free64(m_videoDecoder);
m_videoDecoder = IntPtr.Zero;
}
if (m_cuda != IntPtr.Zero)
{
CudaTools.Cuda_Free64(m_cuda);
m_cuda = IntPtr.Zero;
}
}
public bool InitCuda()
{
bool Success = m_cuda != IntPtr.Zero;
if (!Success)
{
if ((m_cuda = CudaTools.Cuda_Create64()) != IntPtr.Zero)
{
if (CudaTools.Cuda_GetContext64(m_cuda, out m_cudaContext) == true)
{
Success = true;
}
}
}
return(Success);
}
public bool NewInputFrame(byte[] frame, int length, int msWait = 10000)
{
bool retVal = false;
if (m_InputQueueSemaphore.WaitOne(msWait))
{
CudaTools.VideoDecoder_NewInputFrame64(m_videoDecoder, frame, length);
++count;
retVal = true;
}
else
{
++dropped;
}
return(retVal);
}
public bool InitEncoder(CudaTools.ENCODER_MODE modeEncoder, CudaTools.VIDEOSINK_MODE modeSink, int bitRate, int frameRate, int gopLength,
int invalidateRefFramesEnableFlag,
int intraRefreshEnableFlag,
int intraRefreshPeriod,
int intraRefreshDuration)
{
bool Success = false;
FreeEncoder();
if ((m_videoEncoder = CudaTools.VideoEncoder_Create64(m_videoDecoder)) != IntPtr.Zero)
{
CudaTools.VideoEncoder_ConfigureEncoder64(m_videoEncoder, bitRate, (int)frameRate, (int)modeEncoder, (int)modeSink, (int)gopLength, (int)invalidateRefFramesEnableFlag,
(int)intraRefreshEnableFlag, (int)intraRefreshPeriod, (int)intraRefreshDuration);
Success = true;
}
return(Success);
}
public bool Init(CudaTools.CODEC codec = CudaTools.CODEC.H264, CudaTools.DECODER_MODE decoderMode = CudaTools.DECODER_MODE.CPU_ARGB, int skipCount = 1)
{
bool retVal = false;
CloseDecoder();
if ((m_cuda = CudaTools.Cuda_Create64()) != IntPtr.Zero)
{
ulong t;
ulong f;
CudaTools.Cuda_GetDeviceMemory64(m_cuda, out t, out f);
if (CudaTools.Cuda_GetContext64(m_cuda, out m_cudaContext) == true)
{
if ((m_videoDecoder = CudaTools.VideoDecoder_Create64(m_cudaContext)) != IntPtr.Zero)
{
IntPtr semaphoreInput;
IntPtr semaphoreOutput;
IntPtr eventStopped;
CudaTools.VideoDecoder_GetWindowsHandles64(m_videoDecoder, out semaphoreInput, out semaphoreOutput, out eventStopped);
m_InputQueueSemaphore = new Semaphore(0, int.MaxValue);
m_InputQueueSemaphore.SafeWaitHandle = new SafeWaitHandle(semaphoreInput, false);
m_OutputQueueSemaphore = new Semaphore(0, int.MaxValue);
m_OutputQueueSemaphore.SafeWaitHandle = new SafeWaitHandle(semaphoreOutput, false);
if (CudaTools.VideoDecoder_Init64(m_videoDecoder))
{
CudaTools.VideoDecoder_ConfigureDecoder64(m_videoDecoder, (int)m_width, (int)m_height, (int)decoderMode, (int)codec);
CudaTools.VideoDecoder_SetSkipCount(m_videoDecoder, skipCount);
CudaTools.VideoDecoder_Start64(m_videoDecoder);
retVal = true;
}
}
}
}
return(retVal);
}
public byte[] GetUncompressedFrame()
{
byte[] result = null;
// Get the new frame
if (decodedFrame == null)
{
decodedFrame = new byte[m_width * m_height * 4];
}
int width;
int height;
int format;
UInt64 timeStamp;
IntPtr frame;
int numBytes;
CudaTools.VideoDecoder_GetNextDecodedFrame64(m_videoDecoder, out frame, out numBytes, out width, out height, out format, out timeStamp);
// Why the double copy?
Marshal.Copy(frame, decodedFrame, 0, (int)numBytes);
CudaTools.VideoDecoder_ReleaseFrame(m_videoDecoder);
result = new byte[decodedFrame.Length];
Buffer.BlockCopy(decodedFrame, 0, result, 0, decodedFrame.Length);
return(result);
}
public void SetJpegQuality(int jpegQuality)
{
CudaTools.VideoEncoder_SetJpegQuality(m_videoEncoder, jpegQuality);
}
public void Flush()
{
CudaTools.VideoDecoder_Flush64(m_videoDecoder);
}
public void SetSkipCount(int skipCount)
{
CudaTools.VideoDecoder_SetSkipCount(m_videoDecoder, skipCount);
}
public void Start()
{
CudaTools.VideoDecoder_Start64(m_videoDecoder);
CudaTools.VideoEncoder_Start64(m_videoEncoder);
}
public void SetOutputFile(string fileName)
{
CudaTools.VideoEncoder_SetOutputFilename64(m_videoEncoder, fileName);
}
public void Stop()
{
CudaTools.VideoDecoder_Stop64(m_videoDecoder);
}
public void AddCompressedFrame(byte[] frame, int width, int height, byte keyFlag)
{
CudaTools.VideoDecoder_NewInputFrame64(m_videoDecoder, frame, frame.Length);
}
