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FF-1042 - added options to subtitle extractor

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This commit is contained in:
John Andrews
2023-07-29 07:58:26 +12:00
parent 8a5d3aec9d
commit 770b7a08af
3 changed files with 14 additions and 4 deletions
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2
VideoNodes/Helpers/SubtitleHelper.cs
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@@ -29,7 +29,7 @@ internal class SubtitleHelper
/// <param name="codec">the subtitle codec</param>
/// <returns>true if the subtitle is an image based subtitle</returns>
internal static bool IsImageSubtitle(string codec)
=> Regex.IsMatch(codec.Replace("_", ""), "dvbsub|pgs|xsub|vobsub", RegexOptions.IgnoreCase);
=> Regex.IsMatch((codec ?? string.Empty).Replace("_", ""), "dvbsub|pgs|xsub|vobsub", RegexOptions.IgnoreCase);
/// <summary>
/// Determines the appropriate subtitle codec for conversion based on the container type and current subtitle codec.

4
VideoNodes/VideoNodes.en.json
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@@ -521,7 +521,9 @@
"SetWorkingFile": "Set as Working File",
"SetWorkingFile-Help": "When this is checked, if a subtitle is extracted, the working file will be changed to this extracted subtitle. The original working file will NOT be deleted.",
"ForcedOnly": "Forced Only",
"ForcedOnly-Help": "If only forced subtitles should be extracted."
"ForcedOnly-Help": "If only forced subtitles should be extracted.",
"OnlyTextSubtitles": "Only Text Subtitles",
"OnlyTextSubtitles-Help": "If only text subtitles should be extracted, all image based subtitles will be skipped."
}
},
"VideoHasStream": {

12
VideoNodes/VideoNodes/SubtitleExtractor.cs
View File

@@ -1,4 +1,5 @@
using System.Net;
using FileFlows.VideoNodes.Helpers;
namespace FileFlows.VideoNodes;
@@ -40,7 +41,11 @@ public class SubtitleExtractor : EncodingNode
/// </summary>
[Boolean(4)]
public bool ForcedOnly { get; set; }
/// <summary>
/// Gets or sets if only text subtitles should be extracted
/// </summary>
[Boolean(5)]
public bool OnlyTextSubtitles { get; set; }
private Dictionary<string, object> _Variables;
/// <summary>
@@ -75,6 +80,9 @@ public class SubtitleExtractor : EncodingNode
// ffmpeg -i input.mkv -map "0:m:language:eng" -map "-0:v" -map "-0:a" output.srt
var subTrack = videoInfo.SubtitleStreams?.Where(x =>
{
if (OnlyTextSubtitles && SubtitleHelper.IsImageSubtitle(x.Codec))
return false;
if (ForcedOnly && x.Forced == false)
return false;
if(string.IsNullOrEmpty(Language))
@@ -103,7 +111,7 @@ public class SubtitleExtractor : EncodingNode
OutputFile = args.MapPath(OutputFile);
string extension = "srt";
if (subTrack.Codec?.ToLower()?.Contains("pgs") == true)
if (SubtitleHelper.IsImageSubtitle(subTrack.Codec))
extension = "sup";
if (OutputFile.ToLower().EndsWith(".srt") || OutputFile.ToLower().EndsWith(".sup"))
OutputFile = OutputFile[0..^4];