private void LogFormat(MMALEventFormat format, PortBase port)
{
StringBuilder sb = new StringBuilder();
if (port != null)
{
switch (port.PortType)
{
case PortType.Input:
sb.AppendLine("Port Type: Input");
break;
case PortType.Output:
sb.AppendLine("Port Type: Output");
break;
case PortType.Control:
sb.AppendLine("Port Type: Control");
break;
}
}
sb.AppendLine($"FourCC: {format.FourCC}");
sb.AppendLine($"Width: {format.Width}");
sb.AppendLine($"Height: {format.Height}");
sb.AppendLine($"Crop: {format.CropX}, {format.CropY}, {format.CropWidth}, {format.CropHeight}");
sb.AppendLine($"Pixel aspect ratio: {format.ParNum}, {format.ParDen}. Frame rate: {format.FramerateNum}, {format.FramerateDen}");
if (port != null)
{
sb.AppendLine($"Port info: Buffers num: {port.BufferNum}(opt {port.BufferNumRecommended}, min {port.BufferNumMin}). Size: {port.BufferSize} (opt {port.BufferSizeRecommended}, min {port.BufferSizeMin}). Alignment: {port.BufferAlignmentMin}");
}
MMALLog.Logger.Info(sb.ToString());
}
private void ProcessFormatChangedEvent(MMALBufferImpl buffer, int outputPort = 0)
{
MMALLog.Logger.Info("Received MMAL_EVENT_FORMAT_CHANGED event");
var ev = MMALEventFormat.GetEventFormat(buffer);
MMALLog.Logger.Info("-- Event format changed from -- ");
this.LogFormat(new MMALEventFormat(this.Outputs[outputPort].Format), this.Outputs[outputPort]);
MMALLog.Logger.Info("-- To -- ");
this.LogFormat(ev, null);
buffer.Release();
this.Outputs[outputPort].DisablePort();
while (this.Outputs[outputPort].BufferPool.Queue.QueueLength() < this.Outputs[outputPort].BufferPool.HeadersNum)
{
MMALLog.Logger.Debug("Queue length less than buffer pool num");
MMALLog.Logger.Debug("Getting buffer via Queue.Wait");
var tempBuf = WorkingQueue.Wait();
tempBuf.Release();
}
this.Outputs[outputPort].BufferPool.Dispose();
this.Outputs[outputPort].FullCopy(ev);
this.ConfigureOutputPortWithoutInit(0, this.Outputs[outputPort].EncodingType);
this.Outputs[outputPort].EnableOutputPort(false);
}
private void ProcessFormatChangedEvent(IBuffer buffer)
{
MMALLog.Logger.LogInformation("Received MMAL_EVENT_FORMAT_CHANGED event");
var ev = MMALEventFormat.GetEventFormat(buffer);
MMALLog.Logger.LogInformation("-- Event format changed from -- ");
this.LogFormat(new MMALEventFormat(this.Format), this);
MMALLog.Logger.LogInformation("-- To -- ");
this.LogFormat(ev, null);
MMALLog.Logger.LogDebug("Finished processing MMAL_EVENT_FORMAT_CHANGED event");
}
