/// ------------------------------------------------------------------------------------
public static IEnumerable <FFmpegConversionInfo> GetConversions(string fileToConvert)
{
var iniFile = FileLocator.GetFileDistributedWithApplication("FFmpegConversions.ini");
var ffmpegConversions = new IniDocument(iniFile);
var typeToShow = string.Empty;
if (FileUtils.AudioFileExtensions.Contains(Path.GetExtension(fileToConvert)))
{
typeToShow = "audio";
}
else if (FileUtils.VideoFileExtensions.Contains(Path.GetExtension(fileToConvert)))
{
typeToShow = "video";
}
for (int i = 0; i < ffmpegConversions.Sections.Count; i++)
{
var applicableFileType = ffmpegConversions.Sections[i].GetValue("applicableFileType");
if (applicableFileType != null && applicableFileType.Contains(typeToShow))
{
yield return(new FFmpegConversionInfo
{
Name = ffmpegConversions.Sections[i].Name,
OutputExtension = ffmpegConversions.Sections[i].GetValue("outputFileExtension"),
CommandLine = ffmpegConversions.Sections[i].GetValue("commandLine"),
Comments = ffmpegConversions.Sections[i].GetValue("comments"),
ApplicableFileType = ffmpegConversions.Sections[i].GetValue("applicableFileType")
});
}
}
if (typeToShow == "video")
{
yield return(new FFmpegConversionInfo
{
Name = ConvertMediaDlg.GetFactoryConvertToH263Mp4ConversionName(),
OutputExtension = "mp4",
CommandLine = "-vb {vb} -codec:v mpeg4 -ab {ab} -codec:a aac -strict -2",
ApplicableFileType = "video"
});
}
yield return(new FFmpegConversionInfo
{
Name = ConvertMediaDlg.GetFactoryExtractToStandardPcmConversionName(),
OutputExtension = "wav",
CommandLine = "-vn -codec:a {pcm}",
ApplicableFileType = "audio/video"
});
yield return(new FFmpegConversionInfo
{
Name = ConvertMediaDlg.GetFactoryExtractToMp3AudioConversionName(),
OutputExtension = "mp3",
CommandLine = "-vn -codec:a libmp3lame -ac 1",
ApplicableFileType = "audio/video"
});
}
/// ------------------------------------------------------------------------------------
private static bool DoPcmConversion(string inputMediaFile, string outputAudioFile,
WaveFormat preferredOutputFormat)
{
string output;
var result = MPlayerHelper.CreatePcmAudioFromMediaFile(inputMediaFile,
outputAudioFile, preferredOutputFormat, out output);
if ((result & MPlayerHelper.ConversionResult.FinishedConverting) != 0)
{
// Possibly succeeded
if ((result & MPlayerHelper.ConversionResult.PossibleError) > 0)
{
ReportPossibleConversionProblem(output);
}
return(true);
}
// If ffmpeg is available, then try it as a fallback, since Mplayer had problems.
if (!FFmpegDownloadHelper.DoesFFmpegForSayMoreExist)
{
return(false);
}
var model = new ConvertMediaDlgViewModel(inputMediaFile,
ConvertMediaDlg.GetFactoryExtractToStandardPcmConversionName());
model.BeginConversion(null, outputAudioFile, preferredOutputFormat);
var finishedState = model.ConversionState & ConvertMediaUIState.AllFinishedStates;
if (finishedState == ConvertMediaUIState.FinishedConverting)
{
if ((model.ConversionState & ConvertMediaUIState.PossibleError) > 0)
{
ReportPossibleConversionProblem(model.ConversionOutput);
}
return(File.Exists(outputAudioFile));
}
if (finishedState == ConvertMediaUIState.ConversionFailed)
{
var e = model.ConversionException;
if (e != null)
{
throw e;
}
}
return(false);
}
