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Trying to fix sound popping.

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the_fiddler 2008-04-06 14:28:29 +00:00
parent 06fea0526e
commit 743f92a114
1 changed files with 48 additions and 72 deletions
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120
Source/Examples/OpenAL/StreamingPlayback.cs
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@ -10,112 +10,88 @@ using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using System.ComponentModel;
using OpenTK.Audio;
namespace Examples.OpenAL
{
[Example("Streaming Playback", ExampleCategory.OpenAL)]
// Not working correctly (sound pops).
//[Example("Streaming Playback", ExampleCategory.OpenAL)]
public class StreamingPlayback
{
const string filename = "Data\\Audio\\the_ring_that_fell.wav";
const int buffer_size = 18096;
const int buffer_size = (int)(0.5*44100);
const int buffer_count = 4;
static object openal_lock = new object();
static object openal_lock = new object(); // Should be global in your app.
public static void Main()
{
AudioContext context = new AudioContext();
using (AudioContext context = new AudioContext())
using (SoundReader sound = new SoundReader(filename))
{
int[] buffers = AL.GenBuffers(2);
int source = AL.GenSource();
int[] buffers = AL.GenBuffers(buffer_count);
int state;
Console.WriteLine("Testing WaveReader({0}).ReadSamples()", filename);
Console.Write("Playing");
SoundStreamer streamer = new SoundStreamer(sound, source, buffers);
streamer.Start();
lock (openal_lock)
{
AL.SourcePlay(source);
}
foreach (int buffer in buffers)
AL.BufferData(buffer, sound.ReadSamples(buffer_size));
AL.SourceQueueBuffers(source, buffers.Length, buffers);
AL.SourcePlay(source);
int processed_count, queued_count;
// Query the source to find out when it stops playing.
do
{
//Thread.Sleep(100);
//Console.Write(".");
lock (openal_lock)
do
{
AL.GetSource(source, ALGetSourcei.SourceState, out state);
}
}
while ((ALSourceState)state == ALSourceState.Playing);
Console.WriteLine("asd");
lock (openal_lock)
{
AL.SourceStop(source);
AL.DeleteSource(source);
AL.DeleteBuffers(buffers);
}
}
}
class SoundStreamer
{
SoundReader reader;
int source;
int[] buffers;
Thread thread;
public SoundStreamer(SoundReader sound, int source, int[] buffers)
{
reader = sound;
this.source = source;
this.buffers = buffers;
lock (openal_lock)
{
foreach (int buffer in buffers)
AL.BufferData(buffer, sound.ReadSamples(buffer_size));
AL.SourceQueueBuffers(source, buffers.Length, buffers);
}
}
public void Start()
{
thread = new Thread(new ThreadStart(StartStreaming));
thread.Start();
}
void StartStreaming()
{
while (!reader.EndOfFile)
{
lock (openal_lock)
{
int processed_count;
AL.GetSource(source, ALGetSourcei.BuffersProcessed, out processed_count);
while (processed_count-- > 0)
//Thread.Sleep(1);
}
while (processed_count == 0);
Console.WriteLine(processed_count);
while (processed_count > 0)
{
int buffer = AL.SourceUnqueueBuffer(source);
if (buffer != 0 && !sound.EndOfFile)
{
int buffer = AL.SourceUnqueueBuffer(source);
AL.BufferData(buffer, reader.ReadSamples(buffer_size));
Console.WriteLine(" " + buffer.ToString());
AL.BufferData(buffer, sound.ReadSamples(buffer_size));
AL.SourceQueueBuffer(source, buffer);
}
--processed_count;
}
Thread.Sleep(5);
AL.GetSource(source, ALGetSourcei.BuffersQueued, out queued_count);
if (queued_count > 0)
{
AL.GetSource(source, ALGetSourcei.SourceState, out state);
if ((ALSourceState)state != ALSourceState.Playing)
{
AL.SourcePlay(source);
Console.WriteLine("r");
}
}
else
break;
}
Console.WriteLine("booh");
while (true);
AL.SourceStop(source);
AL.DeleteSource(source);
AL.DeleteBuffers(buffers);
}
Console.WriteLine();
}
}
}