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echo effect - #611

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This commit is contained in:
Mikulas Florek 2015-11-27 23:13:56 +01:00
parent f0c0fb29b7
commit 7dccd6df45
3 changed files with 41 additions and 1 deletions
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5
src/audio/audio_device.h
View file

@ -34,6 +34,11 @@ public:
virtual BufferHandle createBuffer(const void* data, int size_bytes, int channels, int sample_rate, int flags) = 0;
virtual void destroyBuffer(BufferHandle buffer) = 0;
virtual void setEcho(BufferHandle handle,
float wet_dry_mix,
float feedback,
float left_delay,
float right_delay) = 0;
virtual void play(BufferHandle buffer, bool looped) = 0;
virtual bool isPlaying(BufferHandle buffer) = 0;
virtual void stop(BufferHandle buffer) = 0;

36
src/audio/pc/audio_device.cpp
View file

@ -176,6 +176,42 @@ struct AudioDeviceImpl : public AudioDevice
}
void setEcho(BufferHandle handle,
float wet_dry_mix,
float feedback,
float left_delay,
float right_delay) override
{
auto buffer = (LPDIRECTSOUNDBUFFER)handle;
DSEFFECTDESC echo_effect;
memset(&echo_effect, 0, sizeof(DSEFFECTDESC));
echo_effect.dwSize = sizeof(DSEFFECTDESC);
echo_effect.guidDSFXClass = GUID_DSFX_STANDARD_ECHO;
IDirectSoundBuffer8* buffer8;
if (FAILED(buffer->QueryInterface(IID_IDirectSoundBuffer8, (void**)&buffer8))) return;
DWORD res = 0;
if (FAILED(buffer8->SetFX(1, &echo_effect, &res))) return;
IDirectSoundFXEcho8* echo = NULL;
DSFXEcho echo_params;
if (FAILED(buffer8->GetObjectInPath(
GUID_DSFX_STANDARD_ECHO, 0, IID_IDirectSoundFXEcho8, (LPVOID*)&echo)))
{
return;
}
if (FAILED(echo->GetAllParameters(&echo_params))) return;
echo_params.fFeedback = feedback;
echo_params.fWetDryMix = wet_dry_mix;
echo_params.fRightDelay = right_delay;
echo_params.fLeftDelay = left_delay;
echo_params.lPanDelay = DSFXECHO_PANDELAY_MIN;
echo->SetAllParameters(&echo_params);
}
void destroyBuffer(BufferHandle clip) override
{
auto buffer = (LPDIRECTSOUNDBUFFER)clip;

1
src/studio/property_grid.cpp
View file

@ -398,7 +398,6 @@ void PropertyGrid::onLuaScriptGUI(Lumix::ComponentUID cmp)
Lumix::toCString(e, buf, sizeof(buf));
scene->setPropertyValue(cmp.index, property_name, buf);
}
}
break;
case Lumix::LuaScript::Property::ANY: