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using System;
using System.Collections.Generic;
using System.Linq;
using MediaBrowser.Model.Entities;
namespace MediaBrowser.Api.HttpHandlers
{
/// <summary>
/// Supported output formats: mkv,m4v,mp4,asf,wmv,mov,webm,ogv,3gp,avi,ts,flv
/// </summary>
class VideoHandler : BaseMediaHandler<Video>
{
/// <summary>
/// We can output these files directly, but we can't encode them
/// </summary>
protected override IEnumerable<string> UnsupportedOutputEncodingFormats
{
get
{
return new string[] { "mp4", "wmv" };
}
}
protected override bool RequiresConversion()
{
if (base.RequiresConversion())
{
return true;
}
AudioStream audio = LibraryItem.AudioStreams.FirstOrDefault();
if (audio != null)
{
// If the number of channels is greater than our desired channels, we need to transcode
if (AudioChannels.HasValue && AudioChannels.Value < audio.Channels)
{
return true;
}
}
// Yay
return false;
}
private string GetFFMpegOutputFormat(string outputFormat)
{
if (outputFormat.Equals("mkv", StringComparison.OrdinalIgnoreCase))
{
return "matroska";
}
else if (outputFormat.Equals("ts", StringComparison.OrdinalIgnoreCase))
{
return "mpegts";
}
else if (outputFormat.Equals("ogv", StringComparison.OrdinalIgnoreCase))
{
return "ogg";
}
return outputFormat;
}
/// <summary>
/// Creates arguments to pass to ffmpeg
/// </summary>
protected override string GetCommandLineArguments()
{
List<string> audioTranscodeParams = new List<string>();
string outputFormat = GetConversionOutputFormat();
return string.Format("-i \"{0}\" {1} {2} -f {3} -",
LibraryItem.Path,
GetVideoArguments(),
GetAudioArguments(),
GetFFMpegOutputFormat(outputFormat)
);
}
private string GetVideoArguments()
{
return "-vcodec copy";
}
private string GetAudioArguments()
{
return "-acodec copy";
}
}
}
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