Files
ersatztv/ErsatzTV.FFmpeg/Filter/SubtitlesFilter.cs
T

45 lines
1.2 KiB
C#

using System.Runtime.InteropServices;
namespace ErsatzTV.FFmpeg.Filter;
public class SubtitlesFilter : BaseFilter
{
private readonly string _fontsDir;
private readonly SubtitleInputFile _subtitleInputFile;
public SubtitlesFilter(string fontsDir, SubtitleInputFile subtitleInputFile)
{
_fontsDir = fontsDir;
_subtitleInputFile = subtitleInputFile;
}
public override string Filter
{
get
{
string fontsDir = _fontsDir;
string effectiveFile = _subtitleInputFile.Path;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
fontsDir = fontsDir
.Replace(@"\", @"/\")
.Replace(@":/", @"\\:/");
effectiveFile = effectiveFile
.Replace(@"\", @"/\")
.Replace(@":/", @"\\:/");
}
// escape brackets after escaping for windows
effectiveFile = effectiveFile
.Replace(@"[", @"\[")
.Replace(@"]", @"\]");
return $"subtitles={effectiveFile}:fontsdir={fontsDir}";
}
}
public override FrameState NextState(FrameState currentState) => currentState;
}