public override string GetSummaryAsText(CameraSummary summary)
{
string result = "";
string alias = summary.Alias;
SpecificInfo info = summary.Specific as SpecificInfo;
if (info != null && info.MediaTypeIndex >= 0)
{
VideoCaptureDevice device = new VideoCaptureDevice(summary.Identifier);
Dictionary <int, MediaType> mediaTypes = MediaTypeImporter.Import(device);
if (mediaTypes.ContainsKey(info.MediaTypeIndex))
{
Size size = mediaTypes[info.MediaTypeIndex].FrameSize;
float fps = (float)info.SelectedFramerate;
string compression = mediaTypes[info.MediaTypeIndex].Compression;
result = string.Format("{0} - {1}×{2} @ {3:0.##} fps ({4}).", alias, size.Width, size.Height, fps, compression);
}
else
{
result = string.Format("{0}", alias);
}
}
else
{
result = string.Format("{0}", alias);
}
return(result);
}
private void InitializeMediaTypes(CameraSummary summary)
{
device = new VideoCaptureDevice(summary.Identifier);
if (device.VideoCapabilities == null || device.VideoCapabilities.Length == 0)
{
canStreamConfig = false;
return;
}
SpecificInfo info = summary.Specific as SpecificInfo;
if (info != null)
{
selectedMediaTypeIndex = info.MediaTypeIndex;
selectedFramerate = info.SelectedFramerate;
}
else
{
// First configuration of the device.
// We should be using the default parameters.
VideoCapabilities[] caps = device.VideoCapabilities;
if (caps.Length == 0)
{
log.ErrorFormat("Cannot get any media type for the device.");
return;
}
selectedMediaTypeIndex = caps[0].Index;
selectedFramerate = caps[selectedMediaTypeIndex].AverageFrameRate;
}
mediaTypes = MediaTypeImporter.Import(device);
if (mediaTypes == null || mediaTypes.Count == 0)
{
canStreamConfig = false;
return;
}
// Ensure indexing by selected media type is valid.
if (!mediaTypes.ContainsKey(selectedMediaTypeIndex))
{
log.ErrorFormat("Mediatype index not found, using first media type.");
selectedMediaTypeIndex = mediaTypes[0].MediaTypeIndex;
}
organizer.Organize(mediaTypes, MediaTypeImporter.GetSupportedFramerates(device));
canStreamConfig = true;
}
private void InitializeMediaTypes(CameraSummary summary)
{
device = new VideoCaptureDevice(summary.Identifier);
if (device.VideoCapabilities == null || device.VideoCapabilities.Length == 0)
{
canStreamConfig = false;
return;
}
SpecificInfo info = summary.Specific as SpecificInfo;
if (info != null)
{
selectedMediaTypeIndex = info.MediaTypeIndex;
selectedFramerate = info.SelectedFramerate;
}
mediaTypes = MediaTypeImporter.Import(device);
if (mediaTypes == null || mediaTypes.Count == 0)
{
canStreamConfig = false;
return;
}
// Ensure indexing by selected media type is valid.
if (!mediaTypes.ContainsKey(selectedMediaTypeIndex))
{
selectedMediaTypeIndex = mediaTypes[0].MediaTypeIndex;
log.ErrorFormat("Mediatype index not found, using first media type.");
}
organizer.Organize(mediaTypes, MediaTypeImporter.GetSupportedFramerates(device));
canStreamConfig = true;
}
