v0.1

2015-07-31 21:05:55 +03:00
parent 23d847a4ac
commit 85b0cda4ca
181 changed files with 4455 additions and 4073 deletions
@@ -0,0 +1,115 @@
+using System;
+using NVorbis;
+using OpenTK.Audio.OpenAL;
+
+namespace Subsurface.Sounds
+{
+    class OggSound : IDisposable
+    {
+        //internal VorbisReader Reader { get; private set; }
+
+        //const int DefaultBufferSize = 44100;
+
+        //private VorbisReader reader; 
+        //private SoundEffect effect; 
+        //SoundEffectInstance instance; 
+
+        public const int DefaultBufferCount = 3;
+
+        private short[] castBuffer;
+
+        private int sampleRate;
+        private ALFormat format;
+
+        private string file;
+
+        int alBufferId;
+
+        public int AlBufferId
+        {
+            get { return alBufferId; }
+        }
+
+        //public bool IsLooped { get; set; }
+
+        public static OggSound Load(string oggFile, int bufferCount = DefaultBufferCount)
+        {
+            OggSound sound = new OggSound();
+            sound.file = oggFile;
+
+            using (VorbisReader reader = new VorbisReader(oggFile))
+            {
+                int bufferSize = (int)reader.TotalSamples;
+
+                float[] buffer = new float[bufferSize];
+                sound.castBuffer = new short[bufferSize];
+
+                int readSamples = reader.ReadSamples(buffer, 0, bufferSize);
+                CastBuffer(buffer, sound.castBuffer, readSamples);
+
+                sound.alBufferId = AL.GenBuffer();
+
+                sound.format = reader.Channels == 1 ? ALFormat.Mono16 : ALFormat.Stereo16;
+                sound.sampleRate = reader.SampleRate;
+
+                //alSourceId = AL.GenSource();
+                AL.BufferData(sound.alBufferId, reader.Channels == 1 ? ALFormat.Mono16 : ALFormat.Stereo16, sound.castBuffer,
+                              readSamples * sizeof(short), reader.SampleRate);
+            }
+
+            //AL.Source(alSourceId, ALSourcei.Buffer, alBufferId);
+
+            //if (ALHelper.XRam.IsInitialized)
+            //{
+            //    ALHelper.XRam.SetBufferMode(bufferCount, ref alBufferId, XRamExtension.XRamStorage.Hardware);
+            //    ALHelper.Check();
+            //}
+
+            //Volume = 1;
+
+            //if (ALHelper.Efx.IsInitialized)
+            //{
+            //    alFilterId = ALHelper.Efx.GenFilter();
+            //    ALHelper.Efx.Filter(alFilterId, EfxFilteri.FilterType, (int)EfxFilterType.Lowpass);
+            //    ALHelper.Efx.Filter(alFilterId, EfxFilterf.LowpassGain, 1);
+            //    LowPassHFGain = 1;
+            //}
+            
+            return sound;
+
+        }
+
+        public void SetBufferData(int alBufferId)
+        {
+            AL.BufferData(alBufferId, format, castBuffer,
+                castBuffer.Length * sizeof(short), sampleRate);
+        }
+
+        static void CastBuffer(float[] inBuffer, short[] outBuffer, int length)
+        {
+            for (int i = 0; i < length; i++)
+            {
+                int temp = (int)(32767f * inBuffer[i]);
+                if (temp > short.MaxValue) temp = short.MaxValue;
+                else if (temp < short.MinValue) temp = short.MinValue;
+                outBuffer[i] = (short)temp;
+            }
+        }
+ 
+        public void Dispose()
+        {
+            //var state = AL.GetSourceState(alSourceId);
+            //if (state == ALSourceState.Playing || state == ALSourceState.Paused)
+            //    Stop();
+            System.Diagnostics.Debug.WriteLine(alBufferId);
+            //AL.DeleteSource(alSourceId);
+            AL.DeleteBuffer(alBufferId);
+            
+            //if (ALHelper.Efx.IsInitialized)
+            //    ALHelper.Efx.DeleteFilter(alFilterId);
+
+            ALHelper.Check();
+        }
+        
+    }
+}