// license:BSD-3-Clause // copyright-holders:Derrick Renaud, Couriersud #ifndef MAME_SOUND_FLT_VOL_H #define MAME_SOUND_FLT_VOL_H #pragma once //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_FILTER_VOLUME_ADD(_tag, _clock) \ MCFG_DEVICE_ADD(_tag, FILTER_VOLUME, _clock) #define MCFG_FILTER_VOLUME_REPLACE(_tag, _clock) \ MCFG_DEVICE_REPLACE(_tag, FILTER_VOLUME, _clock) //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> filter_volume_device class filter_volume_device : public device_t, public device_sound_interface { public: filter_volume_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); void flt_volume_set_volume(float volume); protected: // device-level overrides virtual void device_start() override; // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override; private: sound_stream* m_stream; int m_gain; }; DECLARE_DEVICE_TYPE(FILTER_VOLUME, filter_volume_device) #endif // MAME_SOUND_FLT_VOL_H