120 lines
4.1 KiB
C#
120 lines
4.1 KiB
C#
namespace Unosquare.RaspberryIO.Camera
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{
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using Swan;
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using System;
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using System.Collections.Generic;
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using System.Text;
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/// <summary>
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/// Defines a wrapper for the raspistill program and its settings (command-line arguments)
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/// </summary>
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/// <seealso cref="CameraSettingsBase" />
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public class CameraStillSettings : CameraSettingsBase
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{
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private int _rotate;
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/// <inheritdoc />
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public override string CommandName => "raspistill";
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/// <summary>
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/// Gets or sets a value indicating whether the preview window (if enabled) uses native capture resolution
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/// This may slow down preview FPS
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/// </summary>
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public bool CaptureDisplayPreviewAtResolution { get; set; } = false;
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/// <summary>
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/// Gets or sets the encoding format the hardware will use for the output.
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/// </summary>
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public CameraImageEncodingFormat CaptureEncoding { get; set; } = CameraImageEncodingFormat.Jpg;
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/// <summary>
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/// Gets or sets the quality for JPEG only encoding mode.
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/// Value ranges from 0 to 100
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/// </summary>
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public int CaptureJpegQuality { get; set; } = 90;
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/// <summary>
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/// Gets or sets a value indicating whether the JPEG encoder should add raw bayer metadata.
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/// </summary>
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public bool CaptureJpegIncludeRawBayerMetadata { get; set; } = false;
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/// <summary>
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/// JPEG EXIF data
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/// Keys and values must be already properly escaped. Otherwise the command will fail.
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/// </summary>
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public Dictionary<string, string> CaptureJpegExtendedInfo { get; } = new Dictionary<string, string>();
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/// <summary>
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/// Gets or sets a value indicating whether [horizontal flip].
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/// </summary>
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/// <value>
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/// <c>true</c> if [horizontal flip]; otherwise, <c>false</c>.
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/// </value>
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public bool HorizontalFlip { get; set; } = false;
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/// <summary>
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/// Gets or sets a value indicating whether [vertical flip].
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/// </summary>
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/// <value>
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/// <c>true</c> if [vertical flip]; otherwise, <c>false</c>.
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/// </value>
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public bool VerticalFlip { get; set; } = false;
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/// <summary>
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/// Gets or sets the rotation.
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/// </summary>
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/// <exception cref="ArgumentOutOfRangeException">Valid range 0-359</exception>
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public int Rotation
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{
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get => _rotate;
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set
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{
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if (value < 0 || value > 359)
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{
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throw new ArgumentOutOfRangeException(nameof(value), "Valid range 0-359");
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}
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_rotate = value;
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}
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}
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/// <inheritdoc />
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public override string CreateProcessArguments()
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{
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var sb = new StringBuilder(base.CreateProcessArguments());
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sb.Append($" -e {CaptureEncoding.ToString().ToLowerInvariant()}");
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// JPEG Encoder specific arguments
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if (CaptureEncoding == CameraImageEncodingFormat.Jpg)
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{
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sb.Append($" -q {CaptureJpegQuality.Clamp(0, 100).ToString(Ci)}");
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if (CaptureJpegIncludeRawBayerMetadata)
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sb.Append(" -r");
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// JPEG EXIF data
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if (CaptureJpegExtendedInfo.Count > 0)
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{
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foreach (var kvp in CaptureJpegExtendedInfo)
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{
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if (string.IsNullOrWhiteSpace(kvp.Key) || string.IsNullOrWhiteSpace(kvp.Value))
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continue;
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sb.Append($" -x \"{kvp.Key.Replace("\"", "'")}={kvp.Value.Replace("\"", "'")}\"");
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}
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}
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}
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// Display preview settings
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if (CaptureDisplayPreview && CaptureDisplayPreviewAtResolution) sb.Append(" -fp");
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if (Rotation != 0) sb.Append($" -rot {Rotation}");
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if (HorizontalFlip) sb.Append(" -hf");
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if (VerticalFlip) sb.Append(" -vf");
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return sb.ToString();
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}
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}
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} |