/// <summary>
/// 提取音频事件
/// </summary>
private async void ExecuteExtractAudioCommand()
{
if (isExtracting)
{
eventAggregator.GetEvent <MessageEvent>().Publish(DictionaryResource.GetString("TipWaitTaskFinished"));
return;
}
if (VideoPath == "")
{
eventAggregator.GetEvent <MessageEvent>().Publish(DictionaryResource.GetString("TipNoSeletedVideo"));
return;
}
// 音频文件名
string audioFileName = VideoPath.Remove(VideoPath.Length - 4, 4) + ".aac";
Status = string.Empty;
await Task.Run(() =>
{
// 执行提取音频程序
isExtracting = true;
FFmpegHelper.ExtractAudio(VideoPath, audioFileName, new Action <string>((output) =>
{
Status += output + "\n";
}));
isExtracting = false;
});
}