// private static IDESPaintVisitor Visitor = new DESPaintVisitor();
public bool CreateVideo(MessageInfo mes, string fileurl)
{
Check.Require(mes, "mes", Check.NotNull);
Check.Require(fileurl, "fileurl", Check.NotNullOrEmpty);
Check.Require(mes.Size != Size.Empty, "mes.Size != null");
bool result = false;
var layers = PopulateData(mes.Items);
foreach (Layer layer in layers)
{
layer.Rect = new Rectangle(layer.Rect.X / mes.Zoom, layer.Rect.Y / mes.Zoom, layer.Rect.Width / mes.Zoom, layer.Rect.Height / mes.Zoom);
//item.Rect = new Rectangle(item.Rect.Height / mes.Zoom, item.Rect.Width / mes.Zoom, item.Rect.X / mes.Zoom, item.Rect.Y / mes.Zoom);
}
layers.BackColor = mes.BackColor;
layers.SignType = SignType.RGB;
//layers.VideoSize = mes.GetSignSize();
layers.VideoSize = mes.Items[0].Shape.SignSize;
layers.Name = mes.Name;
layers.Zoom = 1;
//layers.Zoom = mes.Zoom;
layers.PlayLength = mes.Length;
layers.ParentName = "";
layers.EmphasisEffect = mes.EmphasisEffect;
if (layers.Count > 1)
{
layers.Sort(new SortComparer <Layer>("Level", false));
}
var DynamicTextDS = layers.FindAll(item => { return(item.LayerType == LayerType.DynamicText); });
IBaseFilter ibfVideoCompressor = GetVideoCompressor("Indeo?video 5.10 Compression Filter");
PlayState PlayState = ProWrite.Core.PlayState.Stop;
var des = new DESCombine(DESConsts.FPS, DESConsts.BitCount, layers.VideoSize.Width, layers.VideoSize.Height, layers);
des.Completed += delegate { PlayState = PlayState.Stop; };
des.RenderToVideo(MediaSubType.Mpeg2Video, fileurl, ibfVideoCompressor, null, null, null, DynamicTextDS, 0, mes.Length, layers.VideoSize);
des.StartRendering();
PlayState = PlayState.Run;
while (PlayState == PlayState.Run)
{
Thread.Sleep(100);
}
des.Dispose();
des = null;
if (System.IO.File.Exists(fileurl))
{
result = true;
}
return(result);
}
/// <summary>
/// 将视频中的一个片段输出成视频文件
/// </summary>
/// <param name="filename"></param>
public bool OutputVideo(string filename, long start, long end)
{
try
{
bool result = false;
if (MoveSize == Size.Empty)
{
return(false);
}
des.Completed += new EventHandler(OutCompleted);
IBaseFilter ibfVideoCompressor = GetVideoCompressor("Indeo?video 5.10 Compression Filter");
des.RenderToVideo(MediaSubType.Mpeg2Video, filename, ibfVideoCompressor, null, null, null, DynamicTextDS, start, end, MoveSize);
des.StartRendering();
PlayState = PlayState.Run;
while (PlayState == PlayState.Run)
{
Thread.Sleep(100);
}
if (System.IO.File.Exists(filename))
{
result = true;
}
return(result);
}
catch
{
if (des != null)
{
PlayState = PlayState.Stop;
des.Dispose();
des = null;
}
return(false);
}
}
private ShapeLayer MergeVideoLayers(MessageInfo mes, ShapeLayer[] videoLayers)
{
string fileID = Guid.NewGuid().ToString().Replace("-", "");
string fileName = LocalFilePathMapping.GetFile(FileType.Video, fileID);
var layers = new VideoLayerCollection();
Layer layer = null;
long minStartTime = 0;
long maxEndTime = 0;
Array.ForEach <ShapeLayer>(videoLayers, item =>
{
layer = DESLayerConverter.Instance.Convert(item);
//comment out by Louis,for change video start time same as video layer's start time
//layer.Level++;
if (layer.Level == 0)
{
minStartTime = layer.StartTime;
maxEndTime = layer.EndTime;
}
else
{
if (layer.StartTime < minStartTime)
{
minStartTime = layer.StartTime;
}
if (layer.EndTime > maxEndTime)
{
maxEndTime = layer.EndTime;
}
}
layer.Rect = new System.Drawing.Rectangle(layer.Rect.X / mes.Zoom, layer.Rect.Y / mes.Zoom, layer.Rect.Width / mes.Zoom, layer.Rect.Height / mes.Zoom);
layers.Add(layer);
});
layers.BackColor = mes.BackColor;
layers.SignType = SignType.RGB;
layers.VideoSize = videoLayers[0].Shape.SignSize;
layers.Name = mes.Name;
layers.Zoom = 1;
layers.PlayLength = maxEndTime - minStartTime;
layers.ParentName = "";
layers.EmphasisEffect = mes.EmphasisEffect;
if (layers.Count > 1)
{
layers.Sort(new SortComparer <Layer>("Level", false));
}
IBaseFilter ibfVideoCompressor = DESHelper.GetVideoCompressor("Indeo?video 5.10 Compression Filter");
PlayState state = ProWrite.Core.PlayState.Stop;
var des = new DESCombine(DESConsts.FPS, DESConsts.BitCount, layers.VideoSize.Width, layers.VideoSize.Height, layers);
des.Completed += (s, e) => state = PlayState.Stop;
des.RenderToVideo(MediaSubType.Mpeg2Video, fileName, ibfVideoCompressor, null, null, null, new List <Layer>(), 0, mes.Length, layers.VideoSize);
des.StartRendering();
state = PlayState.Run;
while (state == PlayState.Run)
{
Thread.Sleep(100);
}
des.Dispose();
des = null;
var newLayer = videoLayers[0].Copy();
ShapeVideo shape = newLayer.Shape as ShapeVideo;
if (shape == null)//shape.Type == Gif
{
shape = new ShapeVideo();
shape.FromTo(newLayer.Shape);
newLayer.Shape = shape;
}
shape.VideoFileID = fileID;
shape.VideoUrl = fileName;
newLayer.EntryEffect = LayerEffect.Empty;
newLayer.ExitEffect = LayerEffect.Empty;
newLayer.EmphasisEffect = LayerEffect.Empty;
newLayer.EmphasisEffect.Left = (int)minStartTime * Constance.Effect.UnitWidth;
newLayer.EmphasisEffect.Width = (int)maxEndTime * Constance.Effect.UnitWidth;
return(newLayer);
}
