protected void ComposeFFMpegOutputArgs(StringBuilder outputArgs, string outputFormat, OutputSettings settings)
{
if (settings != null)
{
if (settings.MaxDuration.HasValue)
{
outputArgs.AppendFormat(CultureInfo.InvariantCulture, " -t {0}", settings.MaxDuration);
}
if (outputFormat != null)
{
outputArgs.AppendFormat(" -f {0} ", outputFormat);
}
if (settings.AudioSampleRate.HasValue)
{
outputArgs.AppendFormat(" -ar {0}", settings.AudioSampleRate);
}
if (settings.AudioCodec != null)
{
outputArgs.AppendFormat(" -acodec {0}", settings.AudioCodec);
}
if (settings.VideoFrameCount.HasValue)
{
outputArgs.AppendFormat(" -vframes {0}", settings.VideoFrameCount);
}
if (settings.VideoFrameRate.HasValue)
{
outputArgs.AppendFormat(" -r {0}", settings.VideoFrameRate);
}
if (settings.VideoCodec != null)
{
outputArgs.AppendFormat(" -vcodec {0}", settings.VideoCodec);
}
if (settings.VideoFrameSize != null)
{
outputArgs.AppendFormat(" -s {0}", settings.VideoFrameSize);
}
if (settings.CustomOutputArgs != null)
{
outputArgs.AppendFormat(" {0} ", settings.CustomOutputArgs);
}
}
}
public void ConvertMedia(FFMpegInput[] inputs, string output, string outputFormat, OutputSettings settings)
{
if (inputs == null || inputs.Length == 0)
{
throw new ArgumentException("At least one ffmpeg input should be specified");
}
FFMpegInput fFMpegInput = inputs[inputs.Length - 1];
StringBuilder stringBuilder = new StringBuilder();
for (int i = 0; i < inputs.Length - 1; i++)
{
FFMpegInput fFMpegInput2 = inputs[i];
if (fFMpegInput2.Format != null)
{
stringBuilder.Append(" -f " + fFMpegInput2.Format);
}
if (fFMpegInput2.CustomInputArgs != null)
{
stringBuilder.AppendFormat(" {0} ", fFMpegInput2.CustomInputArgs);
}
stringBuilder.AppendFormat(" -i {0} ", CommandArgParameter(fFMpegInput2.Input));
}
ConvertSettings convertSettings = new ConvertSettings();
settings.CopyTo(convertSettings);
convertSettings.CustomInputArgs = stringBuilder.ToString() + fFMpegInput.CustomInputArgs;
if (fFMpegInput.Format != null)
{
convertSettings.CustomInputArgs = convertSettings.CustomInputArgs + " -f " + fFMpegInput.Format;
}
ConvertMedia(fFMpegInput.Input, null, output, outputFormat, convertSettings);
}