add audio Seek functionality

pull/19/head
cosmonaut 2022-04-20 14:29:46 -07:00
parent 985e096a7b
commit 83eb268a4a
3 changed files with 56 additions and 0 deletions

View File

@ -241,6 +241,8 @@ namespace MoonWorks.Audio
public abstract void Play(bool loop); public abstract void Play(bool loop);
public abstract void Pause(); public abstract void Pause();
public abstract void Stop(bool immediate); public abstract void Stop(bool immediate);
public abstract void Seek(float seconds);
public abstract void Seek(uint sampleFrame);
private void InitDSPSettings(uint srcChannels) private void InitDSPSettings(uint srcChannels)
{ {

View File

@ -93,6 +93,31 @@ namespace MoonWorks.Audio
} }
} }
private void PerformSeek(uint sampleFrame)
{
if (State == SoundState.Playing)
{
FAudio.FAudioSourceVoice_Stop(Handle, 0, 0);
FAudio.FAudioSourceVoice_FlushSourceBuffers(Handle);
}
Parent.Handle.PlayBegin = sampleFrame;
Play();
}
public override void Seek(float seconds)
{
uint sampleFrame =
(uint) (Parent.SamplesPerSecond * seconds);
PerformSeek(sampleFrame);
}
public override void Seek(uint sampleFrame)
{
PerformSeek(sampleFrame);
}
public void Free() public void Free()
{ {
Parent.FreeInstance(this); Parent.FreeInstance(this);

View File

@ -62,6 +62,35 @@ namespace MoonWorks.Audio
device.AddDynamicSoundInstance(this); device.AddDynamicSoundInstance(this);
} }
private void PerformSeek(uint sampleFrame)
{
if (State == SoundState.Playing)
{
FAudio.FAudioSourceVoice_Stop(Handle, 0, 0);
}
FAudio.FAudioSourceVoice_FlushSourceBuffers(Handle);
ClearBuffers();
FAudio.stb_vorbis_seek(VorbisHandle, sampleFrame);
QueueBuffers();
if (State == SoundState.Playing)
{
Play();
}
}
public override void Seek(float seconds)
{
uint sampleFrame = (uint) (Info.sample_rate * seconds);
PerformSeek(sampleFrame);
}
public override void Seek(uint sampleFrame)
{
PerformSeek(sampleFrame);
}
protected override void AddBuffer( protected override void AddBuffer(
out float[] buffer, out float[] buffer,
out uint bufferOffset, out uint bufferOffset,