public async Task TakePictureWithInMemoryHandler()
{
TestHelper.BeginTest("TakePictureWithInMemoryHandler");
TestHelper.SetConfigurationDefaults();
var imgCaptureHandler = new InMemoryCaptureHandler();
using (var preview = new MMALNullSinkComponent())
using (var imgEncoder = new MMALImageEncoder(true))
{
Fixture.MMALCamera.ConfigureCameraSettings();
var portConfig = new MMALPortConfig(MMALEncoding.JPEG, MMALEncoding.I420, 90);
imgEncoder.ConfigureOutputPort(portConfig, imgCaptureHandler);
// Create our component pipeline.
Fixture.MMALCamera.Camera.StillPort
.ConnectTo(imgEncoder);
Fixture.MMALCamera.Camera.PreviewPort
.ConnectTo(preview);
// Camera warm up time
await Task.Delay(2000);
await Fixture.MMALCamera.ProcessAsync(Fixture.MMALCamera.Camera.StillPort);
Assert.True(imgCaptureHandler.WorkingData.Count > 0);
}
}
public async Task <byte[]> TakePicture(int quality)
{
using (var jpegCaptureHandler = new InMemoryCaptureHandler())
using (var imageEncoder = new MMALImageEncoder())
using (var nullSink = new MMALNullSinkComponent())
{
lock (this)
{
MMALCamera.Instance.ConfigureCameraSettings();
}
MMALPortConfig portConfigJPEG = new MMALPortConfig(MMALEncoding.JPEG, MMALEncoding.I420, quality: quality);
imageEncoder.ConfigureOutputPort(portConfigJPEG, jpegCaptureHandler);
MMALCamera.Instance.Camera.StillPort.ConnectTo(imageEncoder);
MMALCamera.Instance.Camera.PreviewPort.ConnectTo(nullSink);
await MMALCamera.Instance.ProcessAsync(MMALCamera.Instance.Camera.StillPort);
return(jpegCaptureHandler.WorkingData.ToArray());
}
}
