// license:BSD-3-Clause // copyright-holders:Aaron Giles,smf #ifndef MAME_SOUND_CDDA_H #define MAME_SOUND_CDDA_H #pragma once #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_t clock = 44'100); void set_cdrom(void *file); void start_audio(uint32_t startlba, uint32_t numblocks); void stop_audio(); void pause_audio(int pause); int16_t get_channel_volume(int channel); uint32_t get_audio_lba(); int audio_active(); int audio_paused(); int audio_ended(); 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: void get_audio_data(stream_sample_t *bufL, stream_sample_t *bufR, uint32_t samples_wanted); cdrom_file * m_disc; // internal state sound_stream * m_stream; int8_t m_audio_playing, m_audio_pause, m_audio_ended_normally; uint32_t m_audio_lba, m_audio_length; std::unique_ptr m_audio_cache; uint32_t m_audio_samples; uint32_t m_audio_bptr; int16_t m_audio_volume[2]; }; DECLARE_DEVICE_TYPE(CDDA, cdda_device) #endif // MAME_SOUND_CDDA_H