82 lines
3.3 KiB
C#
82 lines
3.3 KiB
C#
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// Native Audio
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// 5argon - Exceed7 Experiments
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// Problems/suggestions : 5argon@exceed7.com
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using UnityEngine;
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using System.Runtime.InteropServices;
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using System;
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namespace E7.Native
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{
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public static partial class NativeAudio
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{
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#if UNITY_ANDROID
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private static AndroidJavaClass androidNativeAudio;
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internal static AndroidJavaClass AndroidNativeAudio
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{
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get
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{
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if (androidNativeAudio == null)
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{
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androidNativeAudio = new AndroidJavaClass("com.Exceed7.NativeAudio.NativeAudio");
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}
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return androidNativeAudio;
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}
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}
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/// <summary>
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/// [Android] Initialize needs to contact Java as it need the device's native sampling rate and native buffer size to get the "fast path" audio.
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/// </summary>
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internal const string AndroidInitialize = "Initialize";
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/// <summary>
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/// [Android] Load needs to contact Java as it needs to read the audio file sent from `StreamingAssets`,
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/// which could end up in either app persistent space or an another OBB package which we will unpack it and get the content.
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/// </summary>
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internal const string AndroidLoadAudio = "LoadAudio";
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internal const string AndroidGetDeviceAudioInformation = "GetDeviceAudioInformation";
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internal const string AndroidDispose = "Dispose";
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// -- Operates on an audio file ("source" of data) --
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//The lib name is libnativeaudioe7
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// -- the play chain --
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[DllImport("nativeaudioe7")]
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internal static extern int getNativeSource(int nativeSourceIndex);
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[DllImport("nativeaudioe7")]
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internal static extern void prepareAudio(int audioBufferIndex, int nativeSourceIndex);
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[DllImport("nativeaudioe7")]
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internal static extern void playAudioWithNativeSourceIndex(int nativeSourceIndex, NativeSource.PlayOptions playOptions);
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// -- operation on native sources --
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[DllImport("nativeaudioe7")]
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internal static extern int stopAudio(int nativeSourceIndex);
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[DllImport("nativeaudioe7")]
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internal static extern void setVolume(int nativeSourceIndex, float volume);
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[DllImport("nativeaudioe7")]
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internal static extern void setPan(int nativeSourceIndex, float pan);
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[DllImport("nativeaudioe7")]
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internal static extern float getPlaybackTime(int nativeSourceIndex);
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[DllImport("nativeaudioe7")]
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internal static extern void setPlaybackTime(int nativeSourceIndex, float offsetSeconds);
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[DllImport("nativeaudioe7")]
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internal static extern void pause(int nativeSourceIndex);
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[DllImport("nativeaudioe7")]
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internal static extern void resume(int nativeSourceIndex);
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// -- others --
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[DllImport("nativeaudioe7")]
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internal static extern int sendByteArray(IntPtr byteArrayInput, int byteSize, int channels, int samplingRate, LoadOptions.ResamplingQuality resamplingQuality);
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[DllImport("nativeaudioe7")]
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internal static extern void unloadAudio(int audioBufferIndex);
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[DllImport("nativeaudioe7")]
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internal static extern float lengthByAudioBuffer(int audioBufferIndex);
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#endif
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}
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}
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