diff options
Diffstat (limited to 'src/emu/sound/flt_vol.h')
-rw-r--r-- | src/emu/sound/flt_vol.h | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/src/emu/sound/flt_vol.h b/src/emu/sound/flt_vol.h index 9c7047acf64..7836930247c 100644 --- a/src/emu/sound/flt_vol.h +++ b/src/emu/sound/flt_vol.h @@ -3,30 +3,43 @@ #ifndef __FLT_VOL_H__ #define __FLT_VOL_H__ -#include "devlegcy.h" -void flt_volume_set_volume(device_t *device, float volume); +//************************************************************************** +// 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 device_sound_interface { public: filter_volume_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); - ~filter_volume_device() { global_free(m_token); } + ~filter_volume_device() { } + + void flt_volume_set_volume(float volume); - // access to legacy token - void *token() const { assert(m_token != NULL); return m_token; } protected: // device-level overrides - virtual void device_config_complete(); virtual void device_start(); // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples); + private: - // internal state - void *m_token; + sound_stream* m_stream; + int m_gain; }; extern const device_type FILTER_VOLUME; |