/*************************************************************************** disound.h Device sound interfaces. **************************************************************************** Copyright Aaron Giles All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name 'MAME' nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***************************************************************************/ #pragma once #ifndef __EMU_H__ #error Dont include this file directly; include emu.h instead. #endif #ifndef __DISOUND_H__ #define __DISOUND_H__ //************************************************************************** // CONSTANTS //************************************************************************** const int MAX_OUTPUTS = 4095; // maximum number of outputs a sound chip can support const int ALL_OUTPUTS = MAX_OUTPUTS; // special value indicating all outputs for the current chip //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MDRV_SOUND_ADD(_tag, _type, _clock) \ MDRV_DEVICE_ADD(_tag, SOUND_##_type, _clock) \ #define MDRV_SOUND_MODIFY(_tag) \ MDRV_DEVICE_MODIFY(_tag) #define MDRV_SOUND_CLOCK(_clock) \ MDRV_DEVICE_CLOCK(_clock) #define MDRV_SOUND_REPLACE(_tag, _type, _clock) \ MDRV_DEVICE_REPLACE(_tag, SOUND_##_type, _clock) #define MDRV_SOUND_CONFIG(_config) \ MDRV_DEVICE_CONFIG(_config) #define MDRV_SOUND_ROUTE_EX(_output, _target, _gain, _input) \ device_config_sound_interface::static_add_route(device, _output, _target, _gain, _input); \ #define MDRV_SOUND_ROUTE(_output, _target, _gain) \ MDRV_SOUND_ROUTE_EX(_output, _target, _gain, 0) #define MDRV_SOUND_ROUTES_RESET() \ device_config_sound_interface::static_reset_routes(device); \ //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class sound_stream; // ======================> device_config_sound_interface // device_config_sound_interface represents configuration information for a sound device class device_config_sound_interface : public device_config_interface { public: // construction/destruction device_config_sound_interface(const machine_config &mconfig, device_config &devconfig); virtual ~device_config_sound_interface(); class sound_route { public: sound_route(int output, int input, float gain, const char *target); sound_route * m_next; // pointer to next route UINT32 m_output; // output index, or ALL_OUTPUTS UINT32 m_input; // target input index float m_gain; // gain const char * m_target; // target tag }; sound_route * m_route_list; // list of sound routes // static inline helpers static void static_add_route(device_config *device, UINT32 output, const char *target, double gain, UINT32 input = 0); static void static_reset_routes(device_config *device); protected: // optional operation overrides virtual bool interface_validity_check(const game_driver &driver) const; void reset_routes(); }; // ======================> device_sound_interface class device_sound_interface : public device_interface { public: // construction/destruction device_sound_interface(running_machine &machine, const device_config &config, device_t &device); virtual ~device_sound_interface(); // configuration access const device_config_sound_interface &sound_config() const { return m_sound_config; } protected: // optional operation overrides virtual void interface_post_start(); struct sound_output { sound_stream * stream; // associated stream int output; // output number }; int m_outputs; // number of outputs from this instance sound_output m_output[MAX_OUTPUTS]; // array of output information const device_config_sound_interface &m_sound_config; }; #endif /* __DISOUND_H__ */