public static byte[] DecodeRLE(VideoModeResolution size, byte[] data)
{
byte[] res = new byte[size.GetByteCount()];
int p = 0;
const int colBytes = 8;
for (int i = 0; i < data.Length; i += 8)
{
// Ensure it looks correct
if (!IsTerminator(data, i))
{
Array.Copy(data, i, res, p, colBytes);
p += colBytes;
continue;
}
long count = BitConverter.ToInt64(data.Skip(i + 8).Take(8).Reverse().ToArray(), 0);
i += 16;
if (count == 0)
{
continue;
}
// Find the pixels to repeat
for (int o = 0; o < count; o++)
{
Array.Copy(data, i, res, p, colBytes);
p += colBytes;
}
}
return(res);
}
// TODO - name to use
public DownloadMediaStillJob(uint index, VideoModeResolution resolution, Action <AtemFrame> onComplete, TimeSpan?timeout = null)
: base(0, timeout)
{
_index = index;
_resolution = resolution;
_onComplete = onComplete;
_receivedData = new List <byte[]>();
}
public static uint MaxClipLength(this VideoMode mode, DeviceProfile profile)
{
VideoModeResolution res = mode.GetResolution();
switch (res)
{
case VideoModeResolution.PAL:
case VideoModeResolution.NTSC:
return(profile.VideoModes.MaxFrames.SD);
case VideoModeResolution._720:
return(profile.VideoModes.MaxFrames._720);
case VideoModeResolution._1080:
return(profile.VideoModes.MaxFrames._1080);
case VideoModeResolution._4K:
return(profile.VideoModes.MaxFrames._4K);
default:
throw new Exception("Unknown VideoModeResolution in DeviceProfileExtensions.MaxClipLength: ");
}
}
public static int GetByteCount(this VideoModeResolution res)
{
var size = res.GetAttribute <VideoModeResolution, SizeAttribute>().Size;
return((int)(size.Item1 * size.Item2 * 4));
}
public static Tuple <uint, uint> GetSize(this VideoModeResolution res)
{
return(res.GetAttribute <VideoModeResolution, SizeAttribute>().Size);
}
public VideoModeResolutionAttribute(VideoModeResolution res)
{
Resolution = res;
}
public static AtemFrame FromAtem(VideoModeResolution res, string name, byte[] data)
{
return(new AtemFrame(name, FrameEncodingUtil.DecodeRLE(res, data)));
}
public static byte[] DecodeRLE(VideoModeResolution size, byte[] data)
{
return(DecodeRLESegment((uint)size.GetByteCount(), data).Item2);
}
public StillDownloadJobEntry(string deviceId, uint index, VideoModeResolution res, Action <DataTransferJob> notifyChanged) : this(deviceId,
new DownloadMediaStillJob3(index, res.GetByteCount()), notifyChanged)
{
}
