#include "config.h"
#include "WebAudioBus.h"
#if ENABLE(WEB_AUDIO)
#include "AudioBus.h"
#else
namespace WebCore {
class AudioBus {
};
} #endif
#include <wtf/OwnPtr.h>
#include <wtf/PassOwnPtr.h>
using namespace WebCore;
namespace WebKit {
class WebAudioBusPrivate : public AudioBus {
};
void WebAudioBus::initialize(unsigned numberOfChannels, size_t length, double sampleRate)
{
#if ENABLE(WEB_AUDIO)
AudioBus* audioBus = new AudioBus(numberOfChannels, length);
audioBus->setSampleRate(sampleRate);
if (m_private)
delete m_private;
m_private = static_cast<WebAudioBusPrivate*>(audioBus);
#else
ASSERT_NOT_REACHED();
#endif
}
void WebAudioBus::reset()
{
#if ENABLE(WEB_AUDIO)
delete m_private;
m_private = 0;
#else
ASSERT_NOT_REACHED();
#endif
}
unsigned WebAudioBus::numberOfChannels() const
{
#if ENABLE(WEB_AUDIO)
if (!m_private)
return 0;
return m_private->numberOfChannels();
#else
ASSERT_NOT_REACHED();
return 0;
#endif
}
size_t WebAudioBus::length() const
{
#if ENABLE(WEB_AUDIO)
if (!m_private)
return 0;
return m_private->length();
#else
ASSERT_NOT_REACHED();
return 0;
#endif
}
double WebAudioBus::sampleRate() const
{
#if ENABLE(WEB_AUDIO)
if (!m_private)
return 0;
return m_private->sampleRate();
#else
ASSERT_NOT_REACHED();
return 0;
#endif
}
float* WebAudioBus::channelData(unsigned channelIndex)
{
#if ENABLE(WEB_AUDIO)
if (!m_private)
return 0;
ASSERT(channelIndex < numberOfChannels());
return m_private->channel(channelIndex)->data();
#else
ASSERT_NOT_REACHED();
return 0;
#endif
}
PassOwnPtr<AudioBus> WebAudioBus::release()
{
#if ENABLE(WEB_AUDIO)
OwnPtr<AudioBus> audioBus(adoptPtr(static_cast<AudioBus*>(m_private)));
m_private = 0;
return audioBus.release();
#else
ASSERT_NOT_REACHED();
return nullptr;
#endif
}
}