/// <inheritdoc />
public override IDownstreamComponent ConfigureInputPort(IMMALPortConfig config, IInputCaptureHandler handler)
{
var bufferNum = Math.Max(this.Inputs[0].BufferNumRecommended, 3);
config = new MMALPortConfig(config.EncodingType, config.PixelFormat, config.Width, config.Height, config.Framerate,
config.Quality, config.Bitrate, config.ZeroCopy, config.Timeout, bufferNum, config.BufferSize, config.Crop,
config.StoreMotionVectors);
base.ConfigureInputPort(config, handler);
return(this);
}
/// <summary>
/// Call to configure changes on a downstream component input port.
/// </summary>
/// <typeparam name="TPort">Input port type.</typeparam>
/// <param name="config">User provided port configuration object.</param>
/// <param name="handler">The input port capture handler.</param>
/// <returns>This <see cref="MMALDownstreamComponent"/>.</returns>
public virtual unsafe IDownstreamComponent ConfigureInputPort <TPort>(MMALPortConfig config, IInputCaptureHandler handler)
where TPort : IInputPort
{
this.Inputs[0] = (IInputPort)Activator.CreateInstance(typeof(TPort), (IntPtr)(&(*this.Ptr->Input[0])), this, Guid.NewGuid());
return(this.ConfigureInputPort(config, null, handler));
}
/// <summary>
/// Configures a specific input port on a downstream component. This method will perform a shallow copy of the output
/// port it is to be connected to.
/// </summary>
/// <param name="config">User provided port configuration object.</param>
/// <param name="copyPort">The output port we are copying format data from.</param>
/// <param name="handler">The input port capture handler. This will be non-null if this port's component is the 1st component in the
/// pipeline and you are feeding data to it directly from a <see cref="IInputCaptureHandler"/>. If this port is connected to by another component then leave this parameter null.
/// </param>
/// <returns>This <see cref="MMALDownstreamComponent"/>.</returns>
public virtual unsafe IDownstreamComponent ConfigureInputPort(MMALPortConfig config, IPort copyPort, IInputCaptureHandler handler)
{
this.Inputs[0].Configure(config, copyPort, handler);
if (this.Outputs.Count > 0 && this.Outputs[0].Ptr->Format->Type == MMALFormat.MMAL_ES_TYPE_T.MMAL_ES_TYPE_UNKNOWN)
{
throw new PiCameraError("Unable to determine settings for output port.");
}
return(this);
}
/// <summary>
/// Call to configure changes on a downstream component input port.
/// </summary>
/// <param name="config">User provided port configuration object.</param>
/// <param name="handler">The input port capture handler. This will be non-null if this port's component is the 1st component in the
/// pipeline and you are feeding data to it directly from a <see cref="IInputCaptureHandler"/>. If this port is connected to by another component then leave this parameter null.
/// </param>
/// <returns>This <see cref="MMALDownstreamComponent"/>.</returns>
public virtual IDownstreamComponent ConfigureInputPort(MMALPortConfig config, IInputCaptureHandler handler)
{
return(this.ConfigureInputPort(config, null, handler));
}
/// <summary>
/// Call to configure an input port.
/// </summary>
/// <param name="config">The port configuration object.</param>
/// <param name="copyPort">The port to copy from.</param>
/// <param name="handler">The capture handler to assign to this port.</param>
public virtual void Configure(IMMALPortConfig config, IPort copyPort, IInputCaptureHandler handler)
{
copyPort?.ShallowCopy(this);
if (config != null)
{
this.PortConfig = config;
if (config.EncodingType != null)
{
this.NativeEncodingType = config.EncodingType.EncodingVal;
}
if (config.PixelFormat != null)
{
this.NativeEncodingSubformat = config.PixelFormat.EncodingVal;
}
if (config.Width > 0 && config.Height > 0)
{
if (config.Crop.HasValue)
{
this.Crop = config.Crop.Value;
}
else
{
this.Crop = new Rectangle(0, 0, config.Width, config.Height);
}
this.Resolution = new Resolution(config.Width, config.Height);
}
else
{
// Use config or don't set depending on port type.
this.Resolution = new Resolution(0, 0);
// Certain resolution overrides set to global config Video/Still resolutions so check here if the width and height are greater than 0.
if (this.Resolution.Width > 0 && this.Resolution.Height > 0)
{
this.Crop = new Rectangle(0, 0, this.Resolution.Width, this.Resolution.Height);
}
}
if (config.Framerate > 0)
{
this.FrameRate = config.Framerate;
}
if (config.Bitrate > 0)
{
this.Bitrate = config.Bitrate;
}
this.EncodingType = config.EncodingType;
if (config.ZeroCopy)
{
this.ZeroCopy = true;
this.SetParameter(MMALParametersCommon.MMAL_PARAMETER_ZERO_COPY, true);
}
this.BufferNum = Math.Max(this.BufferNumMin, config.BufferNum > 0 ? config.BufferNum : this.BufferNumRecommended);
this.BufferSize = Math.Max(this.BufferSizeMin, config.BufferSize > 0 ? config.BufferSize : this.BufferSizeRecommended);
this.Commit();
this.CallbackHandler = new DefaultInputPortCallbackHandler(this, handler);
}
}
/// <inheritdoc />
public override IDownstreamComponent ConfigureInputPort(MMALPortConfig config, IInputCaptureHandler handler)
{
config.BufferNum = Math.Max(this.Inputs[0].BufferNumRecommended, 3);
base.ConfigureInputPort(config, handler);
return(this);
}
