internal static void SetChangeEventRequest(this MMALControlPort controlPort, MMAL_PARAMETER_CHANGE_EVENT_REQUEST_T value)
{
MMALCheck(MMALPort.mmal_port_parameter_set(controlPort.Ptr, &value.hdr), "Unable to set camera event request.");
}
/// <summary>
/// Commits all changes made to the configuration.
/// </summary>
/// <exception cref="MMALException"/>
public unsafe void ConfigureRenderer()
{
if (this.Configuration != null)
{
int fullScreen = 0, noAspect = 0, copyProtect = 0;
uint displaySet = 0;
MMAL_RECT_T?previewWindow = default(MMAL_RECT_T);
if (!this.Configuration.FullScreen)
{
previewWindow = new MMAL_RECT_T(
this.Configuration.PreviewWindow.X, this.Configuration.PreviewWindow.Y,
this.Configuration.PreviewWindow.Width, this.Configuration.PreviewWindow.Height);
}
displaySet = (int)MMALParametersVideo.MMAL_DISPLAYSET_T.MMAL_DISPLAY_SET_LAYER;
displaySet |= (int)MMALParametersVideo.MMAL_DISPLAYSET_T.MMAL_DISPLAY_SET_ALPHA;
if (this.Configuration.FullScreen)
{
displaySet |= (int)MMALParametersVideo.MMAL_DISPLAYSET_T.MMAL_DISPLAY_SET_FULLSCREEN;
fullScreen = 1;
}
else
{
displaySet |= (int)MMALParametersVideo.MMAL_DISPLAYSET_T.MMAL_DISPLAY_SET_DEST_RECT |
(int)MMALParametersVideo.MMAL_DISPLAYSET_T.MMAL_DISPLAY_SET_FULLSCREEN;
}
if (this.Configuration.NoAspect)
{
displaySet |= (int)MMALParametersVideo.MMAL_DISPLAYSET_T.MMAL_DISPLAY_SET_NOASPECT;
noAspect = 1;
}
if (this.Configuration.CopyProtect)
{
displaySet |= (int)MMALParametersVideo.MMAL_DISPLAYSET_T.MMAL_DISPLAY_SET_COPYPROTECT;
copyProtect = 1;
}
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf <MMAL_DISPLAYREGION_T>());
MMAL_DISPLAYREGION_T displayRegion = new MMAL_DISPLAYREGION_T(
new MMAL_PARAMETER_HEADER_T(
MMALParametersVideo.MMAL_PARAMETER_DISPLAYREGION,
Marshal.SizeOf <MMAL_DISPLAYREGION_T>()), displaySet, 0, fullScreen, this.Configuration.DisplayTransform, previewWindow ?? new MMAL_RECT_T(0, 0, 0, 0), new MMAL_RECT_T(0, 0, 0, 0), noAspect,
this.Configuration.DisplayMode, 0, 0, this.Configuration.Layer, copyProtect, this.Configuration.Opacity);
Marshal.StructureToPtr(displayRegion, ptr, false);
try
{
MMALCheck(MMALPort.mmal_port_parameter_set(this.Inputs[0].Ptr, (MMAL_PARAMETER_HEADER_T *)ptr), $"Unable to set preview renderer configuration");
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
}
internal static void SetCameraConfig(this MMALCameraComponent camera, MMAL_PARAMETER_CAMERA_CONFIG_T value)
{
MMALCheck(MMALPort.mmal_port_parameter_set(camera.Control.Ptr, &value.hdr), "Unable to set camera config.");
}
/// <summary>
/// Send a buffer header to a port.
/// </summary>
/// <param name="buffer"></param>
internal void SendBuffer(MMALBufferImpl buffer)
{
MMALCheck(MMALPort.mmal_port_send_buffer(this.Ptr, buffer.Ptr), "Unable to send buffer header.");
}
private void ConfigureRateControl(int outputPort)
{
MMAL_PARAMETER_VIDEO_RATECONTROL_T param = new MMAL_PARAMETER_VIDEO_RATECONTROL_T(new MMAL_PARAMETER_HEADER_T(MMALParametersVideo.MMAL_PARAMETER_RATECONTROL, Marshal.SizeOf <MMAL_PARAMETER_VIDEO_RATECONTROL_T>()), MMALCameraConfig.RateControl);
MMALCheck(MMALPort.mmal_port_parameter_set(this.Outputs[outputPort].Ptr, param.HdrPtr), "Unable to set ratecontrol.");
}
/// <summary>
/// Ask a port to release all the buffer headers it currently has. This is an asynchronous operation and the
/// flush call will return before all the buffer headers are returned to the client.
/// </summary>
internal void Flush()
{
MMALCheck(MMALPort.mmal_port_flush(this.Ptr), "Unable to flush port.");
}
/// <summary>
/// Commit format changes on this port.
/// </summary>
internal void Commit()
{
MMALCheck(MMALPort.mmal_port_format_commit(this.Ptr), "Unable to commit port changes.");
}
internal static void SetAnnotateSettings(this MMALCameraComponent camera)
{
if (MMALCameraConfig.Annotate != null)
{
MMALLog.Logger.LogDebug("Setting annotate");
var sb = new StringBuilder();
var showShutter = 0;
var showAnalogGain = 0;
var showLens = 0;
var showCaf = 0;
var showMotion = 0;
var showFrame = 0;
var enableTextBackground = 0;
var textSize = (byte)0;
var customTextColor = 0;
var customTextY = (byte)0;
var customTextU = (byte)0;
var customTextV = (byte)0;
var customBackgroundColor = 0;
var customBackgroundY = (byte)0;
var customBackgroundU = (byte)0;
var customBackgroundV = (byte)0;
var justify = MMALCameraConfig.Annotate.Justify;
var xOffset = MMALCameraConfig.Annotate.XOffset;
var yOffset = MMALCameraConfig.Annotate.YOffset;
if (!string.IsNullOrEmpty(MMALCameraConfig.Annotate.CustomText))
{
sb.Append(MMALCameraConfig.Annotate.CustomText + " ");
}
if (MMALCameraConfig.Annotate.ShowTimeText)
{
sb.Append(DateTime.Now.ToString(MMALCameraConfig.Annotate.TimeFormat) + " ");
}
if (MMALCameraConfig.Annotate.ShowDateText)
{
sb.Append(DateTime.Now.ToString(MMALCameraConfig.Annotate.DateFormat) + " ");
}
if (MMALCameraConfig.Annotate.ShowShutterSettings)
{
showShutter = 1;
}
if (MMALCameraConfig.Annotate.ShowGainSettings)
{
showAnalogGain = 1;
}
if (MMALCameraConfig.Annotate.ShowLensSettings)
{
showLens = 1;
}
if (MMALCameraConfig.Annotate.ShowCafSettings)
{
showCaf = 1;
}
if (MMALCameraConfig.Annotate.ShowMotionSettings)
{
showMotion = 1;
}
if (MMALCameraConfig.Annotate.ShowFrameNumber)
{
showFrame = 1;
}
if (MMALCameraConfig.Annotate.AllowCustomBackgroundColour)
{
enableTextBackground = 1;
}
textSize = Convert.ToByte(MMALCameraConfig.Annotate.TextSize);
if (MMALCameraConfig.Annotate.TextColour != Color.Empty)
{
customTextColor = 1;
var yuv = MMALColor.RGBToYUVBytes(MMALCameraConfig.Annotate.TextColour);
customTextY = yuv.Item1;
customTextU = yuv.Item2;
customTextV = yuv.Item3;
}
if (MMALCameraConfig.Annotate.BgColour != Color.Empty)
{
customBackgroundColor = 1;
var yuv = MMALColor.RGBToYUVBytes(MMALCameraConfig.Annotate.BgColour);
customBackgroundY = yuv.Item1;
customBackgroundU = yuv.Item2;
customBackgroundV = yuv.Item3;
}
// .NET Core has an issue with marshalling arrays "ByValArray". The array being passed MUST equal the size
// specified in the "SizeConst" field or you will receive an exception. Mono does not have this restriction
// and is quite happy to pass an array of a lower size if asked. In order to get around this, I am creating
// an array equaling "SizeConst" and copying the contents of the annotation text into it, minus the EOL character.
var text = sb.ToString() + char.MinValue;
var arr = new byte[MMALParametersCamera.MMAL_CAMERA_ANNOTATE_MAX_TEXT_LEN_V3];
var bytes = Encoding.ASCII.GetBytes(text);
Array.Copy(bytes, arr, bytes.Length);
var strV4 = new MMAL_PARAMETER_CAMERA_ANNOTATE_V4_T(
new MMAL_PARAMETER_HEADER_T(MMAL_PARAMETER_ANNOTATE, Marshal.SizeOf <MMAL_PARAMETER_CAMERA_ANNOTATE_V4_T>() + (arr.Length - 1)),
1, showShutter, showAnalogGain, showLens,
showCaf, showMotion, showFrame, enableTextBackground,
customBackgroundColor, customBackgroundY, customBackgroundU, customBackgroundV, 0, customTextColor,
customTextY, customTextU, customTextV, textSize, arr, (int)justify, xOffset, yOffset);
var ptrV4 = Marshal.AllocHGlobal(Marshal.SizeOf <MMAL_PARAMETER_CAMERA_ANNOTATE_V4_T>() + (arr.Length - 1));
Marshal.StructureToPtr(strV4, ptrV4, false);
try
{
MMALCheck(MMALPort.mmal_port_parameter_set(camera.Control.Ptr, (MMAL_PARAMETER_HEADER_T *)ptrV4),
"Unable to set annotate");
}
catch
{
Marshal.FreeHGlobal(ptrV4);
ptrV4 = IntPtr.Zero;
MMALLog.Logger.LogWarning("Unable to set V4 annotation structure. Trying V3. Please update firmware to latest version.");
var str = new MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T(
new MMAL_PARAMETER_HEADER_T(MMAL_PARAMETER_ANNOTATE, Marshal.SizeOf <MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T>() + (arr.Length - 1)),
1, showShutter, showAnalogGain, showLens,
showCaf, showMotion, showFrame, enableTextBackground,
customBackgroundColor, customBackgroundY, customBackgroundU, customBackgroundV, 0, customTextColor,
customTextY, customTextU, customTextV, textSize, arr);
var ptr = Marshal.AllocHGlobal(Marshal.SizeOf <MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T>() + (arr.Length - 1));
Marshal.StructureToPtr(str, ptr, false);
try
{
MMALCheck(MMALPort.mmal_port_parameter_set(camera.Control.Ptr, (MMAL_PARAMETER_HEADER_T *)ptr), "Unable to set annotate V3.");
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
finally
{
if (ptrV4 != IntPtr.Zero)
{
Marshal.FreeHGlobal(ptrV4);
}
}
}
}
internal static void SetAnnotateSettings(this MMALCameraComponent camera)
{
if (MMALCameraConfig.Annotate != null)
{
MMALLog.Logger.Debug("Setting annotate");
var sb = new StringBuilder();
var showShutter = 0;
var showAnalogGain = 0;
var showLens = 0;
var showCaf = 0;
var showMotion = 0;
var showFrame = 0;
var enableTextBackground = 0;
var textSize = (byte)0;
var customTextColor = 0;
var customTextY = (byte)0;
var customTextU = (byte)0;
var customTextV = (byte)0;
var customBackgroundColor = 0;
var customBackgroundY = (byte)0;
var customBackgroundU = (byte)0;
var customBackgroundV = (byte)0;
if (!string.IsNullOrEmpty(MMALCameraConfig.Annotate.CustomText))
{
sb.Append(MMALCameraConfig.Annotate.CustomText + " ");
}
if (MMALCameraConfig.Annotate.ShowTimeText)
{
sb.Append(DateTime.Now.ToString("HH:mm") + " ");
}
if (MMALCameraConfig.Annotate.ShowDateText)
{
sb.Append(DateTime.Now.ToString("dd/MM/yyyy") + " ");
}
if (MMALCameraConfig.Annotate.ShowShutterSettings)
{
showShutter = 1;
}
if (MMALCameraConfig.Annotate.ShowGainSettings)
{
showAnalogGain = 1;
}
if (MMALCameraConfig.Annotate.ShowLensSettings)
{
showLens = 1;
}
if (MMALCameraConfig.Annotate.ShowCafSettings)
{
showCaf = 1;
}
if (MMALCameraConfig.Annotate.ShowMotionSettings)
{
showMotion = 1;
}
if (MMALCameraConfig.Annotate.ShowFrameNumber)
{
showFrame = 1;
}
if (MMALCameraConfig.Annotate.ShowBlackBackground)
{
enableTextBackground = 1;
}
textSize = Convert.ToByte(MMALCameraConfig.Annotate.TextSize);
if (MMALCameraConfig.Annotate.TextColour != Color.Empty)
{
customTextColor = 1;
var yuv = MMALColor.RGBToYUVBytes(MMALCameraConfig.Annotate.TextColour);
customTextY = yuv.Item1;
customTextU = yuv.Item2;
customTextV = yuv.Item3;
}
if (MMALCameraConfig.Annotate.BgColour != Color.Empty)
{
customBackgroundColor = 1;
var yuv = MMALColor.RGBToYUVBytes(MMALCameraConfig.Annotate.BgColour);
customBackgroundY = yuv.Item1;
customBackgroundU = yuv.Item2;
customBackgroundV = yuv.Item3;
}
string t = sb.ToString() + char.MinValue;
var text = Encoding.ASCII.GetBytes(t);
var str = new MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T(
new MMAL_PARAMETER_HEADER_T(MMAL_PARAMETER_ANNOTATE, Marshal.SizeOf <MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T>() + t.Length),
1, showShutter, showAnalogGain, showLens,
showCaf, showMotion, showFrame, enableTextBackground,
customBackgroundColor, customBackgroundY, customBackgroundU, customBackgroundV, 0, customTextColor,
customTextY, customTextU, customTextV, textSize, text);
var ptr = Marshal.AllocHGlobal(Marshal.SizeOf <MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T>());
Marshal.StructureToPtr(str, ptr, false);
try
{
MMALCheck(MMALPort.mmal_port_parameter_set(camera.Control.Ptr, (MMAL_PARAMETER_HEADER_T *)ptr), "Unable to set annotate");
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
}
/// <summary>
/// Annotates the image with various text as specified in the MMALCameraConfig class.
/// </summary>
internal unsafe void AnnotateImage()
{
if (MMALCameraConfig.Annotate != null)
{
MMALLog.Logger.Debug("Setting annotate");
var sb = new StringBuilder();
var showShutter = 0;
var showAnalogGain = 0;
var showLens = 0;
var showCaf = 0;
var showMotion = 0;
var showFrame = 0;
var enableTextBackground = 0;
var textSize = (byte)0;
var customTextColor = 0;
var customTextY = (byte)0;
var customTextU = (byte)0;
var customTextV = (byte)0;
var customBackgroundColor = 0;
var customBackgroundY = (byte)0;
var customBackgroundU = (byte)0;
var customBackgroundV = (byte)0;
if (!string.IsNullOrEmpty(MMALCameraConfig.Annotate.CustomText))
{
sb.Append(MMALCameraConfig.Annotate.CustomText + " ");
}
if (MMALCameraConfig.Annotate.ShowTimeText)
{
sb.Append(DateTime.Now.ToString("HH:mm") + " ");
}
if (MMALCameraConfig.Annotate.ShowDateText)
{
sb.Append(DateTime.Now.ToString("dd/MM/yyyy") + " ");
}
if (MMALCameraConfig.Annotate.ShowShutterSettings)
{
showShutter = 1;
}
if (MMALCameraConfig.Annotate.ShowGainSettings)
{
showAnalogGain = 1;
}
if (MMALCameraConfig.Annotate.ShowLensSettings)
{
showLens = 1;
}
if (MMALCameraConfig.Annotate.ShowCafSettings)
{
showCaf = 1;
}
if (MMALCameraConfig.Annotate.ShowMotionSettings)
{
showMotion = 1;
}
if (MMALCameraConfig.Annotate.ShowFrameNumber)
{
showFrame = 1;
}
if (MMALCameraConfig.Annotate.ShowBlackBackground)
{
enableTextBackground = 1;
}
textSize = System.Convert.ToByte(MMALCameraConfig.Annotate.TextSize);
if (MMALCameraConfig.Annotate.TextColour != -1)
{
customTextColor = 1;
customTextY = System.Convert.ToByte((MMALCameraConfig.Annotate.TextColour & 0xff));
customTextU = System.Convert.ToByte(((MMALCameraConfig.Annotate.TextColour >> 8) & 0xff));
customTextV = System.Convert.ToByte(((MMALCameraConfig.Annotate.TextColour >> 16) & 0xff));
}
if (MMALCameraConfig.Annotate.BgColour != -1)
{
customBackgroundColor = 1;
customBackgroundY = System.Convert.ToByte((MMALCameraConfig.Annotate.BgColour & 0xff));
customBackgroundU = System.Convert.ToByte(((MMALCameraConfig.Annotate.BgColour >> 8) & 0xff));
customBackgroundV = System.Convert.ToByte(((MMALCameraConfig.Annotate.BgColour >> 16) & 0xff));
}
string t = sb.ToString() + char.MinValue;
var text = Encoding.ASCII.GetBytes(t);
var str = new MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T(new MMAL_PARAMETER_HEADER_T(MMALParametersCamera.MMAL_PARAMETER_ANNOTATE, (Marshal.SizeOf <MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T>() + (t.Length))),
1, showShutter, showAnalogGain, showLens,
showCaf, showMotion, showFrame, enableTextBackground,
customBackgroundColor, customBackgroundY, customBackgroundU, customBackgroundV, (byte)0, customTextColor,
customTextY, customTextU, customTextV, textSize, text);
var ptr = Marshal.AllocHGlobal(Marshal.SizeOf <MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T>());
Marshal.StructureToPtr(str, ptr, false);
MMALCheck(MMALPort.mmal_port_parameter_set(MMALCamera.Instance.Camera.Control.Ptr, (MMAL_PARAMETER_HEADER_T *)ptr), "Unable to set annotate");
Marshal.FreeHGlobal(ptr);
}
}