/// <summary>
/// 设置水印图片
/// </summary>
/// <param name="watermarkData"></param>
/// <returns></returns>
private RawImage SetWatermarkPhoto(WatermarkData watermarkData, string watermarkName)
{
RawImage watermarkPhoto = new GameObject(watermarkName).AddComponent <RawImage>();
watermarkPhoto.rectTransform.SetParent(EncryptionCanvas.transform);
watermarkPhoto.rectTransform.localScale = Vector3.one;
watermarkPhoto.rectTransform.anchorMin = watermarkData.anchorMin.Get();
watermarkPhoto.rectTransform.anchorMax = watermarkData.anchorMax.Get();
watermarkPhoto.rectTransform.localPosition = new Vector3(watermarkData._Rect.x, watermarkData._Rect.y, 0);
watermarkPhoto.rectTransform.sizeDelta = new Vector2(watermarkData._Rect.z, watermarkData._Rect.w);
watermarkPhoto.texture = watermarkData._TextureData.Get();
watermarkPhoto.raycastTarget = false;
return(watermarkPhoto);
}
//------------------------------
public static void Watermark(WatermarkData config)
{
//-y -i .../watermark.png -i .../input.mp4 -filter_complex \
//"[0:v]scale=iw*0.25:ih*0.25 [ovrl], [1:v][ovrl]overlay=x=(main_w-overlay_w)*0.95:y=(main_h-overlay_h)*0.05" \
//FFmpegUnityBindDemo.mp4
StringBuilder filter = new StringBuilder();
#if UNITY_STANDALONE_OSX || UNITY_STANDALONE_WIN || UNITY_EDITOR
filter.Append(DOUBLE_QUOTE);
#endif
filter.
Append("[0:v]scale=iw*").
Append(config.imageScale).
Append(":ih*").
Append(config.imageScale).
Append(" [ovrl], [1:v][ovrl]overlay=x=(main_w-overlay_w)*").
Append(config.xPosNormal).
Append(":y=(main_h-overlay_h)*").
Append(config.yPosNormal);
#if UNITY_STANDALONE_OSX || UNITY_STANDALONE_WIN || UNITY_EDITOR
filter.Append(DOUBLE_QUOTE);
#endif
string[] command =
{
REWRITE_INSTRUCTION,
INPUT_INSTRUCTION,
config.imagePath,
INPUT_INSTRUCTION,
config.inputPath,
FILTER_COMPLEX_INSTRUCTION,
filter.ToString(),
config.outputPath
};
DebugCommand(command);
Wrapper.Execute(command);
}
