protected bool AllocateBuffers(uint width, uint height)
{
// Allocate exactly 3 buffers to use as the capture destination while streaming.
// These buffers are passed to the SDK.
for (uint i = 0; i < 3; ++i)
{
IntPtr buffer = IntPtr.Zero;
ErrorCode ret = m_Stream.AllocateFrameBuffer(width * height * 4, out buffer);
if (Error.Failed(ret))
{
string err = Error.GetString(ret);
ReportError(string.Format("Error while allocating frame buffer: {0}", err));
return(false);
}
m_CaptureBuffers.Add(buffer);
m_FreeBufferList.Add(buffer);
}
return(true);
}
/// <summary>
/// Begins the ingest testing.
/// </summary>
public void Start()
{
// can only run it once per instance
if (m_TestState != TestState.Uninitalized)
{
return;
}
m_CurrentServerIndex = 0;
m_CancelTest = false;
m_SkipServer = false;
m_PreviousStatCallbacks = m_Stream.StatCallbacks;
m_Stream.StatCallbacks = this;
m_PreviousStreamCallbacks = m_Stream.StreamCallbacks;
m_Stream.StreamCallbacks = this;
m_IngestTestVideoParams = new VideoParams();
m_IngestTestVideoParams.TargetFps = Twitch.Broadcast.Constants.TTV_MAX_FPS;
m_IngestTestVideoParams.MaxKbps = Twitch.Broadcast.Constants.TTV_MAX_BITRATE;
m_IngestTestVideoParams.OutputWidth = 1280;
m_IngestTestVideoParams.OutputHeight = 720;
m_IngestTestVideoParams.PixelFormat = PixelFormat.TTV_PF_BGRA;
m_IngestTestVideoParams.DisableAdaptiveBitrate = true;
m_IngestTestVideoParams.VerticalFlip = false;
m_Stream.GetDefaultParams(m_IngestTestVideoParams);
m_IngestTestAudioParams = new AudioParams();
m_IngestTestAudioParams.AudioEnabled = false;
m_IngestBuffers = new List <UIntPtr>();
// allocate some buffers
int numFrames = 3;
for (int i = 0; i < numFrames; ++i)
{
UIntPtr buffer = UIntPtr.Zero;
uint size = m_IngestTestVideoParams.OutputWidth * m_IngestTestVideoParams.OutputHeight * 4;
m_Stream.AllocateFrameBuffer(size, out buffer);
if (buffer == UIntPtr.Zero)
{
Cleanup();
SetTestState(TestState.Failed);
return;
}
m_Stream.RandomizeFrameBuffer(buffer, size);
m_IngestBuffers.Add(buffer);
}
SetTestState(TestState.Starting);
m_Timer.Reset();
m_Timer.Start();
}
