public VideoTestPatternSource(IVideoEncoder encoder = null)
{
if (encoder != null)
{
_videoEncoder = encoder;
_formatManager = new MediaFormatManager <VideoFormat>(SupportedFormats);
}
var assem = typeof(VideoTestPatternSource).GetTypeInfo().Assembly;
var testPatternStm = assem.GetManifestResourceStream(TEST_PATTERN_RESOURCE_PATH);
if (testPatternStm == null)
{
OnVideoSourceError?.Invoke(
$"Test pattern embedded resource could not be found, {TEST_PATTERN_RESOURCE_PATH}.");
}
else
{
_testI420Buffer = new byte[TEST_PATTERN_WIDTH * TEST_PATTERN_HEIGHT * 3 / 2];
testPatternStm.Read(_testI420Buffer, 0, _testI420Buffer.Length);
testPatternStm.Close();
_sendTestPatternTimer = new Timer(GenerateTestPattern, null, Timeout.Infinite, Timeout.Infinite);
_frameSpacing = 1000 / DEFAULT_FRAMES_PER_SECOND;
}
}
private async void VideoCaptureDevice_Failed(MediaCapture sender, MediaCaptureFailedEventArgs errorEventArgs)
{
if (!_videoCaptureDeviceFailed)
{
_videoCaptureDeviceFailed = true;
//logger.LogWarning($"Video capture device failed. {errorEventArgs.Message}.");
OnVideoSourceError?.Invoke(errorEventArgs.Message);
await CloseVideoCaptureDevice().ConfigureAwait(false);
}
}
public VideoTestPatternSource()
{
EmbeddedFileProvider efp = new EmbeddedFileProvider(Assembly.GetExecutingAssembly());
var testPatternFileInfo = efp.GetFileInfo(TEST_PATTERN_RESOURCE_PATH);
if (testPatternFileInfo == null)
{
OnVideoSourceError?.Invoke($"Test pattern embedded resource could not be found, {TEST_PATTERN_RESOURCE_PATH}.");
}
else
{
_testPattern = new Bitmap(testPatternFileInfo.CreateReadStream());
_sendTestPatternTimer = new Timer(GenerateTestPattern, null, Timeout.Infinite, Timeout.Infinite);
_frameSpacing = 1000 / DEFAULT_FRAMES_PER_SECOND;
}
}
public void SetEmbeddedTestPatternPath(string path)
{
EmbeddedFileProvider efp = new EmbeddedFileProvider(Assembly.GetExecutingAssembly());
var testPattenFileInfo = efp.GetFileInfo(path);
if (testPattenFileInfo == null)
{
OnVideoSourceError?.Invoke($"Video test pattern source could not locate embedded path {path}.");
}
else
{
logger.LogDebug($"Test pattern loaded from embedded resource {path}.");
lock (_sendTestPatternTimer)
{
_testPattern?.Dispose();
_testPattern = new Bitmap(testPattenFileInfo.CreateReadStream());
}
}
}
public VideoTestPatternSource()
{
var assem = typeof(VideoTestPatternSource).GetTypeInfo().Assembly;
var testPatternStm = assem.GetManifestResourceStream(TEST_PATTERN_RESOURCE_PATH);
if (testPatternStm == null)
{
OnVideoSourceError?.Invoke($"Test pattern embedded resource could not be found, {TEST_PATTERN_RESOURCE_PATH}.");
}
else
{
//Bitmap testPattern = new Bitmap(testPatternStm);
//LoadI420Buffer(testPattern);
//testPattern.Dispose();
_testI420Buffer = new byte[TEST_PATTERN_WIDTH * TEST_PATTERN_HEIGHT * 3 / 2];
testPatternStm.Read(_testI420Buffer, 0, _testI420Buffer.Length);
testPatternStm.Close();
_sendTestPatternTimer = new Timer(GenerateTestPattern, null, Timeout.Infinite, Timeout.Infinite);
_frameSpacing = 1000 / DEFAULT_FRAMES_PER_SECOND;
}
}