public FFMpegProcessWrapper()
{
settings = new VideoSettings();
if (SPContext.Current != null)
{
settings = settings.Load();
}
}
internal void GetVideoPoster(VideoFile video)
{
if (settings == null)
{
settings = new VideoSettings();
settings = settings.Load();
}
StringBuilder argsBuilder = new StringBuilder();
argsBuilder.AppendFormat(" -i \"{0}\"", Path.Combine(settings.InputVideoPath, video.Path));
argsBuilder.AppendFormat(" -ss {0}", settings.StartTimeOffset);
argsBuilder.Append(" -vframes 1");
argsBuilder.Append(" -f image2");
argsBuilder.AppendFormat(" -y \"{0}\"", Path.Combine(settings.OutputImagePath, video.UniqueId.ToString() + ".jpg"));
/*
* ProcessStartInfo oInfo = new ProcessStartInfo();
* oInfo.FileName = string.Format("\"{0}\"", Path.Combine(settings.FFMpegPath, "ffmpeg.exe"));
* //oInfo.WorkingDirectory = Path.GetDirectoryName(this.FFmpegPath);
* oInfo.UseShellExecute = false;
* oInfo.CreateNoWindow = true;
* oInfo.RedirectStandardOutput = true;
* oInfo.RedirectStandardError = true;
*
* using (Process ffmpegProcess = System.Diagnostics.Process.Start(oInfo))
* {
* using (StreamReader srOutput = ffmpegProcess.StandardError)
* {
* System.Text.StringBuilder output = new System.Text.StringBuilder();
*
* using (StreamReader objStreamReader = ffmpegProcess.StandardError)
* {
* System.Text.StringBuilder sbOutPut = new StringBuilder();
*
* while (!ffmpegProcess.WaitForExit(settings.ProcessTimeout * 1000))
* {
* sbOutPut.Append(objStreamReader.ReadToEnd().ToString());
* }
*
* if (sbOutPut.Length == 0)
* {
* sbOutPut.Append(objStreamReader.ReadToEnd().ToString());
* }
*
* if (ffmpegProcess.ExitCode == 0)
* {
* ffmpegProcess.Close();
* if (objStreamReader != null)
* {
* objStreamReader.Close();
* }
* }
* else
* {
* ffmpegProcess.Close();
* if (objStreamReader != null)
* {
* objStreamReader.Close();
* }
* }
* //return sbOutPut.ToString();
* }
*
* }
* }
*/
// Create a process to generate the preview image.
using (Process ffmpegProcess = new Process())
{
ffmpegProcess.StartInfo.FileName = string.Format("\"{0}\"", Path.Combine(settings.FFMpegPath, "ffmpeg.exe"));
ffmpegProcess.StartInfo.Arguments = argsBuilder.ToString();
ffmpegProcess.StartInfo.UseShellExecute = false;
ffmpegProcess.StartInfo.RedirectStandardOutput = true;
ffmpegProcess.StartInfo.RedirectStandardError = true;
// Execute the process.
ffmpegProcess.Start();
ffmpegProcess.WaitForExit(settings.ProcessTimeout * 1000);
// Kill the process if necessary.
if (ffmpegProcess.HasExited == false)
{
ffmpegProcess.Kill();
}
}
}
public FFMpegProcessWrapper(SPContext context)
{
settings = new VideoSettings();
settings.Context = context;
settings = settings.Load();
}
internal void GetVideoInfo(VideoFile video)
{
if (settings == null)
{
settings = new VideoSettings();
settings = settings.Load();
}
string output = string.Empty;
// Create the ffmpeg.exe command line.
StringBuilder argsBuilder = new StringBuilder();
argsBuilder.AppendFormat(" -i \"{0}\"", Path.Combine(settings.InputVideoPath, video.Path));
/*
* ProcessStartInfo oInfo = new ProcessStartInfo();
* oInfo.FileName = string.Format("\"{0}\"", Path.Combine(settings.FFMpegPath, "ffmpeg.exe"));
* //oInfo.WorkingDirectory = Path.GetDirectoryName(this.FFmpegPath);
* oInfo.UseShellExecute = false;
* oInfo.CreateNoWindow = true;
* oInfo.RedirectStandardOutput = true;
* oInfo.RedirectStandardError = true;
*/
/*
* using (Process ffmpegProcess = System.Diagnostics.Process.Start(oInfo))
* {
* using (StreamReader srOutput = ffmpegProcess.StandardError)
* {
* System.Text.StringBuilder output = new System.Text.StringBuilder();
*
* using (StreamReader objStreamReader = ffmpegProcess.StandardError)
* {
* System.Text.StringBuilder sbOutPut = new StringBuilder();
*
* while (!ffmpegProcess.WaitForExit(settings.ProcessTimeout * 1000))
* {
* sbOutPut.Append(objStreamReader.ReadToEnd().ToString());
* }
*
* if (sbOutPut.Length == 0)
* {
* sbOutPut.Append(objStreamReader.ReadToEnd().ToString());
* }
*
* if (ffmpegProcess.ExitCode == 0)
* {
* ffmpegProcess.Close();
* if (objStreamReader != null)
* {
* objStreamReader.Close();
* }
* }
* else
* {
* ffmpegProcess.Close();
* if (objStreamReader != null)
* {
* objStreamReader.Close();
* }
* }
*
* string soutput = sbOutPut.ToString();
* if (!string.IsNullOrEmpty(soutput))
* {
* video.RawInfo = soutput;
* video.Duration = ExtractDuration(video.RawInfo);
* video.BitRate = ExtractBitrate(video.RawInfo);
* video.RawAudioFormat = ExtractRawAudioFormat(video.RawInfo);
* video.AudioFormat = ExtractAudioFormat(video.RawAudioFormat);
* video.RawVideoFormat = ExtractRawVideoFormat(video.RawInfo);
* video.VideoFormat = ExtractVideoFormat(video.RawVideoFormat);
* video.Width = ExtractVideoWidth(video.RawInfo);
* video.Height = ExtractVideoHeight(video.RawInfo);
* video.infoGathered = true;
* }
* else
* {
* video.infoGathered = false;
* }
*
* }
*
* }
* }
*/
using (Process ffmpegProcess = new Process())
{
ffmpegProcess.StartInfo.FileName = string.Format("\"{0}\"", Path.Combine(settings.FFMpegPath, "ffmpeg.exe"));
ffmpegProcess.StartInfo.Arguments = argsBuilder.ToString();
ffmpegProcess.StartInfo.UseShellExecute = false;
ffmpegProcess.StartInfo.RedirectStandardOutput = true;
ffmpegProcess.StartInfo.RedirectStandardError = true;
ffmpegProcess.Start();
ffmpegProcess.WaitForExit(settings.ProcessTimeout * 1000);
// Kill the process if necessary.
if (ffmpegProcess.HasExited == false)
{
ffmpegProcess.Kill();
}
output = ffmpegProcess.StandardError.ReadToEnd();
}
if (!string.IsNullOrEmpty(output))
{
video.RawInfo = output;
video.Duration = ExtractDuration(video.RawInfo);
video.BitRate = ExtractBitrate(video.RawInfo);
video.RawAudioFormat = ExtractRawAudioFormat(video.RawInfo);
video.AudioFormat = ExtractAudioFormat(video.RawAudioFormat);
video.RawVideoFormat = ExtractRawVideoFormat(video.RawInfo);
video.VideoFormat = ExtractVideoFormat(video.RawVideoFormat);
video.Width = ExtractVideoWidth(video.RawInfo);
video.Height = ExtractVideoHeight(video.RawInfo);
video.infoGathered = true;
}
else
{
video.infoGathered = false;
}
}
