using System;
using System.Collections.Generic;
using UnityEngine.Audio;
using UnityEngine.Playables;

namespace UnityEngine.Timeline
{
	// Token: 0x0200002C RID: 44
	[TrackClipType(typeof(AudioPlayableAsset))]
	[TrackClipType(typeof(AudioClip))]
	[TrackMediaType(TimelineAsset.MediaType.Audio)]
	[Serializable]
	public class AudioTrack : TrackAsset
	{
		// Token: 0x0600019C RID: 412 RVA: 0x00008130 File Offset: 0x00006330
		public TimelineClip CreateClip(AudioClip clip)
		{
			TimelineClip timelineClip;
			if (clip == null)
			{
				timelineClip = null;
			}
			else
			{
				TimelineClip timelineClip2 = base.CreateDefaultClip();
				AudioPlayableAsset audioPlayableAsset = timelineClip2.asset as AudioPlayableAsset;
				if (audioPlayableAsset != null)
				{
					audioPlayableAsset.clip = clip;
				}
				timelineClip2.underlyingAsset = clip;
				timelineClip2.duration = (double)clip.length;
				timelineClip2.displayName = clip.name;
				timelineClip = timelineClip2;
			}
			return timelineClip;
		}

		// Token: 0x0600019D RID: 413 RVA: 0x000081A0 File Offset: 0x000063A0
		internal override Playable OnCreatePlayableGraph(PlayableGraph graph, GameObject go, IntervalTree tree)
		{
			AudioMixerPlayable audioMixerPlayable = AudioMixerPlayable.Create(graph, base.clips.Length, false);
			for (int i = 0; i < base.clips.Length; i++)
			{
				TimelineClip timelineClip = base.clips[i];
				PlayableAsset playableAsset = timelineClip.asset as PlayableAsset;
				if (!(playableAsset == null))
				{
					float num = 0.1f;
					AudioPlayableAsset audioPlayableAsset = timelineClip.asset as AudioPlayableAsset;
					if (audioPlayableAsset != null)
					{
						num = audioPlayableAsset.bufferingTime;
					}
					Playable playable = playableAsset.CreatePlayable(graph, go);
					tree.Add(new ScheduleRuntimeClip(timelineClip, playable, audioMixerPlayable, (double)num, 0.1));
					graph.Connect<Playable, AudioMixerPlayable>(playable, 0, audioMixerPlayable, i);
					playable.SetSpeed(timelineClip.timeScale);
					playable.SetDuration(timelineClip.extrapolatedDuration);
					audioMixerPlayable.SetInputWeight(playable, 1f);
				}
			}
			return audioMixerPlayable;
		}

		// Token: 0x0600019E RID: 414 RVA: 0x00008298 File Offset: 0x00006498
		internal override void OnCreateClipFromAsset(Object asset, TimelineClip newClip)
		{
			if (asset is AudioClip)
			{
				AudioPlayableAsset audioPlayableAsset = ScriptableObject.CreateInstance<AudioPlayableAsset>();
				audioPlayableAsset.clip = asset as AudioClip;
				newClip.asset = audioPlayableAsset;
				newClip.underlyingAsset = asset;
				newClip.duration = audioPlayableAsset.duration;
				newClip.displayName = (asset as AudioClip).name;
			}
		}

		// Token: 0x17000086 RID: 134
		// (get) Token: 0x0600019F RID: 415 RVA: 0x000082F4 File Offset: 0x000064F4
		public override IEnumerable<PlayableBinding> outputs
		{
			get
			{
				yield return new PlayableBinding
				{
					sourceObject = this,
					streamName = base.name,
					streamType = DataStreamType.Audio,
					sourceBindingType = typeof(AudioSource)
				};
				yield break;
			}
		}
	}
}