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/* |
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* audio.h - Audio support |
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* |
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* Basilisk II (C) 1997-1999 Christian Bauer |
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* Basilisk II (C) 1997-2004 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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#ifndef AUDIO_H |
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#define AUDIO_H |
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#include <vector> |
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#ifndef NO_STD_NAMESPACE |
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using std::vector; |
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#endif |
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extern int32 AudioDispatch(uint32 params, uint32 ti); |
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extern bool AudioAvailable; // Flag: audio output available (from the software point of view) |
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extern int16 SoundInOpen(uint32 pb, uint32 dce); |
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extern int16 SoundInPrime(uint32 pb, uint32 dce); |
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extern int16 SoundInControl(uint32 pb, uint32 dce); |
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extern int16 SoundInStatus(uint32 pb, uint32 dce); |
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extern int16 SoundInClose(uint32 pb, uint32 dce); |
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// System specific and internal functions/data |
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extern void AudioInit(void); |
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extern void AudioExit(void); |
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extern void AudioReset(void); |
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extern void AudioInterrupt(void); |
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extern void audio_enter_stream(void); |
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extern void audio_exit_stream(void); |
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extern void audio_set_sample_rate(int index); |
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extern void audio_set_sample_size(int index); |
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extern void audio_set_channels(int index); |
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extern bool audio_set_sample_rate(int index); |
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extern bool audio_set_sample_size(int index); |
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extern bool audio_set_channels(int index); |
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extern bool audio_get_main_mute(void); |
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extern uint32 audio_get_main_volume(void); |
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extern bool audio_get_dac_mute(void); |
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extern uint32 audio_get_dac_volume(void); |
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extern bool audio_get_speaker_mute(void); |
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extern uint32 audio_get_speaker_volume(void); |
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extern void audio_set_main_mute(bool mute); |
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extern void audio_set_main_volume(uint32 vol); |
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extern void audio_set_dac_mute(bool mute); |
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extern void audio_set_dac_volume(uint32 vol); |
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extern void audio_set_speaker_mute(bool mute); |
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extern void audio_set_speaker_volume(uint32 vol); |
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// Current audio status |
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struct audio_status { |
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extern int audio_frames_per_block; // Number of audio frames per block |
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extern uint32 audio_component_flags; // Component feature flags |
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extern int audio_num_sample_rates; // Number of supported sample rates |
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extern uint32 audio_sample_rates[]; // Array of supported sample rates (16.16 fixed point) |
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extern int audio_num_sample_sizes; // Number of supported sample sizes |
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extern uint16 audio_sample_sizes[]; // Array of supported sample sizes |
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extern int audio_num_channel_counts; // Number of supported channel counts |
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extern uint16 audio_channel_counts[]; // Array of supported channels counts |
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extern vector<uint32> audio_sample_rates; // Vector of supported sample rates (16.16 fixed point) |
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extern vector<uint16> audio_sample_sizes; // Vector of supported sample sizes |
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extern vector<uint16> audio_channel_counts; // Array of supported channels counts |
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// Audio component global data and 68k routines |
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enum { |
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adatSetInfo = 78, // 68k code to call SetInfo() |
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adatPlaySourceBuffer = 102, // 68k code to call PlaySourceBuffer() |
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adatGetSourceData = 126, // 68k code to call GetSourceData() |
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adatData = 146, // SoundComponentData struct |
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adatMixer = 174, // Mac address of mixer, returned by adatOpenMixer |
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adatStreamInfo = 178, // Mac address of stream info, returned by adatGetSourceData |
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SIZEOF_adat = 182 |
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adatStartSource = 146, // 68k code to call StartSource() |
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adatData = 168, // SoundComponentData struct |
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adatMixer = 196, // Mac address of mixer, returned by adatOpenMixer |
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adatStreamInfo = 200, // Mac address of stream info, returned by adatGetSourceData |
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SIZEOF_adat = 204 |
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}; |
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extern uint32 audio_data; // Mac address of global data area |
