wehub-resource-sync
57 lines
2.2 KiB
C#
57 lines
2.2 KiB
C#
#nullable enable
|
|
|
|
using System.Collections.Concurrent;
|
|
using System.Threading.Tasks;
|
|
using T3.Core.Audio;
|
|
using T3.Core.Resource;
|
|
using T3.Core.Resource.Assets;
|
|
|
|
namespace T3.Editor.Gui.Windows.TimeLine.TimeClips;
|
|
|
|
/// <summary>
|
|
/// Caches the full source-file duration (seconds) per audio asset, probed once via BASS on a
|
|
/// background thread. Lets the timeline waveform map its source window immediately — without
|
|
/// waiting for the clip to play once (which is the only other place
|
|
/// <c>TimelineAudioClip.LengthInSeconds</c> gets populated).
|
|
/// </summary>
|
|
internal static class AudioClipDurationCache
|
|
{
|
|
/// <summary>
|
|
/// Returns true with the cached duration once known. The first call per asset kicks off an
|
|
/// async probe and returns false; later calls return the result. A failed probe caches 0 so it
|
|
/// isn't retried every frame.
|
|
/// </summary>
|
|
public static bool TryGetDurationSecs(string assetPath, IResourceConsumer owner, out double durationSecs)
|
|
{
|
|
if (_durationByAssetPath.TryGetValue(assetPath, out durationSecs))
|
|
return durationSecs > 0;
|
|
|
|
// First request for this asset: resolve the absolute path (cheap, on this thread) and probe
|
|
// the duration on a worker so the draw thread never blocks on a BASS file open.
|
|
if (_probing.TryAdd(assetPath, true))
|
|
{
|
|
if (AssetRegistry.TryResolveAddress(assetPath, owner, out var absolutePath, out _))
|
|
{
|
|
var path = absolutePath;
|
|
var key = assetPath;
|
|
Task.Run(() =>
|
|
{
|
|
_durationByAssetPath[key] = AudioMixerManager.TryProbeAudioDurationSecs(path);
|
|
_probing.TryRemove(key, out _);
|
|
});
|
|
}
|
|
else
|
|
{
|
|
_durationByAssetPath[assetPath] = 0;
|
|
_probing.TryRemove(assetPath, out _);
|
|
}
|
|
}
|
|
|
|
durationSecs = 0;
|
|
return false;
|
|
}
|
|
|
|
private static readonly ConcurrentDictionary<string, double> _durationByAssetPath = new();
|
|
private static readonly ConcurrentDictionary<string, bool> _probing = new();
|
|
}
|