protected void ComposeFFMpegOutputArgs(StringBuilder outputArgs, string outputFormat, OutputSettings settings)
{
if (settings != null)
{
if (settings.MaxDuration.HasValue)
{
outputArgs.AppendFormat(CultureInfo.InvariantCulture, " -t {0}", new object[] { settings.MaxDuration });
}
if (outputFormat != null)
{
outputArgs.AppendFormat(" -f {0} ", outputFormat);
}
if (settings.AudioBitRate != null)
{
outputArgs.AppendFormat(" -b:a {0}", settings.AudioBitRate);
}
if (settings.VideoBitRate != null)
{
outputArgs.AppendFormat(" -b:v {0}", settings.VideoBitRate);
}
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 input = inputs[inputs.Length - 1];
StringBuilder builder = new StringBuilder();
for (int i = 0; i < (inputs.Length - 1); i++)
{
FFMpegInput input2 = inputs[i];
if (input2.Format != null)
{
builder.Append(" -f " + input2.Format);
}
if (input2.CustomInputArgs != null)
{
builder.AppendFormat(" {0} ", input2.CustomInputArgs);
}
builder.AppendFormat(" -i {0} ", this.CommandArgParameter(input2.Input));
}
ConvertSettings outputSettings = new ConvertSettings();
settings.CopyTo(outputSettings);
outputSettings.CustomInputArgs = builder.ToString() + input.CustomInputArgs;
this.ConvertMedia(input.Input, input.Format, output, outputFormat, outputSettings);
}
