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116 lines
4.1 KiB
C#
116 lines
4.1 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System.Collections.Generic;
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using System.IO;
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using osu.Game.IO.FileAbstraction;
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using osu.Game.Rulesets.Edit.Checks.Components;
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using osu.Game.Storyboards;
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namespace osu.Game.Rulesets.Edit.Checks
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{
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public class CheckAudioInVideo : ICheck
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{
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public CheckMetadata Metadata => new CheckMetadata(CheckCategory.Audio, "Audio track in video files");
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public IEnumerable<IssueTemplate> PossibleTemplates => new IssueTemplate[]
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{
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new IssueTemplateHasAudioTrack(this),
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new IssueTemplateMissingFile(this),
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new IssueTemplateFileError(this)
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};
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public IEnumerable<Issue> Run(BeatmapVerifierContext context)
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{
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var beatmapSet = context.Beatmap.BeatmapInfo.BeatmapSet;
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var videoPaths = new List<string>();
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foreach (var layer in context.WorkingBeatmap.Storyboard.Layers)
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{
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foreach (var element in layer.Elements)
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{
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if (!(element is StoryboardVideo video))
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continue;
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// Ensures we don't check the same video file multiple times in case of multiple elements using it.
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if (!videoPaths.Contains(video.Path))
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videoPaths.Add(video.Path);
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}
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}
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foreach (var filename in videoPaths)
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{
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string storagePath = beatmapSet.GetPathForFile(filename);
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if (storagePath == null)
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{
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// There's an element in the storyboard that requires this resource, so it being missing is worth warning about.
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yield return new IssueTemplateMissingFile(this).Create(filename);
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continue;
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}
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StreamFileAbstraction fileAbstraction;
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using (Stream data = context.WorkingBeatmap.GetStream(storagePath))
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{
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fileAbstraction = new StreamFileAbstraction(filename, data);
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}
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// We use TagLib here for platform invariance; BASS cannot detect audio presence on Linux.
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TagLib.File tagFile = null;
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string errorReason = null;
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try
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{
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tagFile = TagLib.File.Create(fileAbstraction);
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}
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catch (TagLib.CorruptFileException) { errorReason = "Corrupt file"; }
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catch (TagLib.UnsupportedFormatException) { errorReason = "Unsupported format"; }
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if (errorReason != null)
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{
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yield return new IssueTemplateFileError(this).Create(filename, errorReason);
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continue;
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}
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if (tagFile.Properties.AudioChannels == 0)
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continue;
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yield return new IssueTemplateHasAudioTrack(this).Create(filename);
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}
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}
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public class IssueTemplateHasAudioTrack : IssueTemplate
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{
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public IssueTemplateHasAudioTrack(ICheck check)
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: base(check, IssueType.Problem, "\"{0}\" has an audio track.")
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{
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}
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public Issue Create(string filename) => new Issue(this, filename);
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}
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public class IssueTemplateFileError : IssueTemplate
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{
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public IssueTemplateFileError(ICheck check)
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: base(check, IssueType.Error, "Could not check whether \"{0}\" has an audio track ({1}).")
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{
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}
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public Issue Create(string filename, string errorReason) => new Issue(this, filename, errorReason);
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}
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public class IssueTemplateMissingFile : IssueTemplate
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{
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public IssueTemplateMissingFile(ICheck check)
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: base(check, IssueType.Warning, "Could not check whether \"{0}\" has an audio track, because it is missing.")
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{
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}
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public Issue Create(string filename) => new Issue(this, filename);
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}
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}
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}
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