public override IDownstreamComponent ConfigureOutputPort(int outputPort, IMmalPortConfig config, ICaptureHandler handler)
{
var bufferSize = Math.Max(Outputs[outputPort].Ptr->BufferSizeRecommended, Outputs[outputPort].Ptr->BufferSizeMin);
var bitrate = GetValidBitrate(config);
// Force framerate to be 0 in case it was provided by user.
config = new MmalPortConfig(
config.EncodingType,
config.PixelFormat,
config.Quality,
bitrate,
config.Timeout,
config.Split,
config.StoreMotionVectors,
config.Width,
config.Height,
config.Framerate,
config.ZeroCopy,
config.BufferNum,
bufferSize,
config.Crop);
base.ConfigureOutputPort(outputPort, config, handler);
ConfigureIntraPeriod(outputPort);
ConfigureVideoProfile(outputPort);
ConfigureInlineHeaderFlag(outputPort);
ConfigureInlineVectorsFlag(outputPort);
ConfigureIntraRefresh(outputPort);
ConfigureQuantisationParameter(outputPort, config.Quality);
ConfigureImmutableInput();
return(this);
}
static int GetValidBitrate(IMmalPortConfig config)
{
var bitrate = config.Bitrate;
List <VideoLevel> levelList;
if (CameraConfig.VideoProfile == MmalParametersVideo.MmalVideoProfileT.MmalVideoProfileH264High)
{
levelList = GetHighLevelLimits();
}
else if (CameraConfig.VideoProfile == MmalParametersVideo.MmalVideoProfileT.MmalVideoProfileH264High10)
{
levelList = GetHigh10LevelLimits();
}
else
{
levelList = GetNormalLevelLimits();
}
var level = levelList.First(c => c.Level == CameraConfig.VideoLevel);
if (config.Bitrate > level.Maxbitrate)
{
throw new PiCameraError("Bitrate requested exceeds maximum for selected Video Level and Profile");
}
return(bitrate);
}
public virtual IDownstreamComponent ConfigureOutputPort(int outputPort, IMmalPortConfig config, ICaptureHandler handler)
{
if (ProcessingPorts.ContainsKey(outputPort))
{
ProcessingPorts.Remove(outputPort);
}
ProcessingPorts.Add(outputPort, Outputs[outputPort]);
Outputs[outputPort].Configure(config, Inputs[0], handler);
return(this);
}
public override void Configure(IMmalPortConfig config, IInputPort copyFrom, ICaptureHandler handler)
{
CallbackHandler = new VideoOutputCallbackHandler(this, handler);
if (config == null)
{
return;
}
PortConfig = config;
copyFrom?.ShallowCopy(this);
if (config.EncodingType != null)
{
NativeEncodingType = config.EncodingType.EncodingVal;
}
if (config.PixelFormat != null)
{
NativeEncodingSubformat = config.PixelFormat.EncodingVal;
}
var tempVid = Ptr->Format->Es->Video;
try
{
Commit();
}
catch
{
// If commit fails using new settings, attempt to reset using old temp MMAL_VIDEO_FORMAT_T.
MmalLog.Logger.LogWarning($"{Name}: Commit of output port failed. Attempting to reset values.");
Ptr->Format->Es->Video = tempVid;
Commit();
}
if (config.ZeroCopy)
{
ZeroCopy = true;
this.SetParameter(MmalParametersCommon.MmalParameterZeroCopy, true);
}
if (CameraConfig.VideoColorSpace != null && CameraConfig.VideoColorSpace.EncType == MmalEncoding.EncodingType.ColorSpace)
{
VideoColorSpace = CameraConfig.VideoColorSpace;
}
if (config.Bitrate > 0)
{
Bitrate = config.Bitrate;
}
EncodingType = config.EncodingType;
PixelFormat = config.PixelFormat;
BufferNum = Math.Max(BufferNumMin, config.BufferNum > 0 ? config.BufferNum : BufferNumRecommended);
BufferSize = Math.Max(BufferSizeMin, config.BufferSize > 0 ? config.BufferSize : BufferSizeRecommended);
Commit();
}
public virtual unsafe IDownstreamComponent ConfigureOutputPort <TPort>(int outputPort, IMmalPortConfig config, ICaptureHandler handler) where TPort : IOutputPort
{
Outputs[outputPort] = (IOutputPort)Activator.CreateInstance(typeof(TPort), (IntPtr)(&(*Ptr->Output[outputPort])), this, Guid.NewGuid());
return(ConfigureOutputPort(outputPort, config, handler));
}
public virtual IDownstreamComponent ConfigureOutputPort(IMmalPortConfig config, ICaptureHandler handler) => ConfigureOutputPort(0, config, handler);
public override IDownstreamComponent ConfigureOutputPort(int outputPort, IMmalPortConfig config, ICaptureHandler handler)
{
base.ConfigureOutputPort(outputPort, config, handler);
return(this);
}
