// license:BSD-3-Clause // copyright-holders:Aaron Giles,smf #pragma once #ifndef __CDDA_H__ #define __CDDA_H__ #include "cdrom.h" class cdda_device : public device_t, public device_sound_interface { public: cdda_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); void set_cdrom(void *file); void start_audio(UINT32 startlba, UINT32 numblocks); void stop_audio(); void pause_audio(int pause); void set_volume(int volume); void set_channel_volume(int channel, int volume); INT16 get_channel_volume(int channel); UINT32 get_audio_lba(); int audio_active(); int audio_paused(); int audio_ended(); cdrom_file * m_disc; protected: // device-level overrides virtual void device_config_complete() override; 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: void get_audio_data(stream_sample_t *bufL, stream_sample_t *bufR, UINT32 samples_wanted); // internal state sound_stream * m_stream; INT8 m_audio_playing, m_audio_pause, m_audio_ended_normally; UINT32 m_audio_lba, m_audio_length; std::unique_ptr m_audio_cache; UINT32 m_audio_samples; UINT32 m_audio_bptr; INT16 m_audio_volume[2]; }; extern const device_type CDDA; #endif /* __CDDA_H__ */