Gracefully handle beatmaps specifying images using the video storyboard type

This commit is contained in:
Dean Herbert 2023-03-13 18:10:16 +09:00
parent eb37d740b1
commit da947d8661
2 changed files with 23 additions and 1 deletions

View File

@ -363,6 +363,19 @@ namespace osu.Game.Beatmaps.Formats
beatmap.BeatmapInfo.Metadata.BackgroundFile = CleanFilename(split[3]);
break;
case LegacyEventType.Video:
string filename = CleanFilename(split[2]);
// Some very old beatmaps had incorrect type specifications for their backgrounds (ie. using 1 for VIDEO
// instead of 0 for BACKGROUND). To handle this gracefully, check the file extension against known supported
// video extensions and handle similar to a background if it doesn't match.
if (!OsuGameBase.VIDEO_EXTENSIONS.Contains(Path.GetExtension(filename)))
{
beatmap.BeatmapInfo.Metadata.BackgroundFile = filename;
}
break;
case LegacyEventType.Background:
beatmap.BeatmapInfo.Metadata.BackgroundFile = CleanFilename(split[2]);
break;

View File

@ -109,6 +109,14 @@ namespace osu.Game.Beatmaps.Formats
int offset = Parsing.ParseInt(split[1]);
string path = CleanFilename(split[2]);
// See handling in LegacyBeatmapDecoder for the special case where a video type is used but
// the file extension is not a valid video.
//
// This avoids potential weird crashes when ffmpeg attempts to parse an image file as a video
// (see https://github.com/ppy/osu/issues/22829#issuecomment-1465552451).
if (!OsuGameBase.VIDEO_EXTENSIONS.Contains(Path.GetExtension(path)))
break;
storyboard.GetLayer("Video").Add(new StoryboardVideo(path, offset));
break;
}
@ -276,7 +284,8 @@ namespace osu.Game.Beatmaps.Formats
switch (type)
{
case "A":
timelineGroup?.BlendingParameters.Add(easing, startTime, endTime, BlendingParameters.Additive, startTime == endTime ? BlendingParameters.Additive : BlendingParameters.Inherit);
timelineGroup?.BlendingParameters.Add(easing, startTime, endTime, BlendingParameters.Additive,
startTime == endTime ? BlendingParameters.Additive : BlendingParameters.Inherit);
break;
case "H":