private void HandleTimerTick()
{
try
{
int[] data = new int[3];
byte[] videoFrame = FFmpegGifDecoder.GetVideoFrame(this._handler, data);
if (this._pts == 0 && data[2] != 0)
{
this._pts = data[2];
this._timer.Interval = (TimeSpan.FromMilliseconds((double)this._pts));
}
if (!this._isPlaying)
{
return;
}
for (int index1 = 0; index1 < this._wb.Pixels.Length; ++index1)
{
int index2 = index1 << 2;
this._wb.Pixels[index1] = -16777216 | (int)videoFrame[index2] << 16 | (int)videoFrame[index2 + 1] << 8 | (int)videoFrame[index2 + 2];
}
this._wb.Invalidate();
this.imageGif.Source = ((ImageSource)this._wb);
}
catch (Exception ex)
{
Logger.Instance.Error("FFmpegGifPlayerUC.HandleTimerTick failed", ex);
}
}
private async void UpdateFileName(string newFileName)
{
this.Stop();
this.Release();
if (string.IsNullOrEmpty(newFileName))
{
return;
}
try
{
string path = (await CacheManager.GetFileAsync(newFileName)).Path;
this._decoderParams = new int[3];
this._handler = FFmpegGifDecoder.CreateDecoder(path, this._decoderParams);
if (this._handler <= 0)
{
return;
}
this._w = this._decoderParams[0];
this._h = this._decoderParams[1];
if (this._w <= 0 || this._h <= 0)
{
return;
}
this._wb = new WriteableBitmap(this._w, this._h);
this._isInitialized = true;
this.Start();
}
catch (Exception ex)
{
Logger.Instance.Error("FFmpegGifPlayerUC.UpdateFileName failed", ex);
}
}
private void Release()
{
if (this._handler != 0)
{
try
{
FFmpegGifDecoder.DestroyDecoder(this._handler);
}
catch (Exception ex)
{
Logger.Instance.Error("FFmpegGifPlayerUC.Release failed", ex);
}
this._handler = 0;
}
this.imageGif.Source = (null);
this._isPlaying = false;
this._isInitialized = false;
this._w = 0;
this._h = 0;
this._pts = 0;
}
