snes9x/win32/IS9xSoundOutput.h

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/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
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#ifndef IS9XSOUNDOUTPUT_H
#define IS9XSOUNDOUTPUT_H
#include "../port.h"
#include <vector>
#include <string>
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/* IS9xSoundOutput
Interface for the sound output.
*/
class IS9xSoundOutput {
public:
// InitSoundOutput should initialize the sound output but not start playback
virtual bool InitSoundOutput(void)=0;
// DeInitSoundOutput should stop playback and uninitialize the output
virtual void DeInitSoundOutput(void)=0;
// SetupSound should apply the current sound settings for outputbuffers/devices and
// (re)start playback
virtual bool SetupSound()=0;
// SetVolume should set a new volume level (between 0.0 and 1.0)
virtual void SetVolume(double volume) = 0;
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// ProcessSound should queue new available samples into the Host sound
// system. If the sound system is callback based, ProcessSound should move
// all samples into a buffer that the callback can read, using a critical
// section while accessing that buffer for thread-safety.
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virtual void ProcessSound()=0;
// GetDeviceList should return a list of device strings that can be displayed in a dropdown
virtual std::vector<std::wstring> GetDeviceList()
{
return std::vector<std::wstring>();
}
// FindDeviceIndex should try to find a matching index in the device list for a particular device string
virtual int FindDeviceIndex(TCHAR *audio_device)
{
return 0;
}
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};
#endif