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* |
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* Adapted from Frodo's Solaris sound routines by Marc Chabanas |
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* |
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< |
* Basilisk II (C) 1997-1999 Christian Bauer |
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> |
* Basilisk II (C) 1997-2001 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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#include "debug.h" |
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|
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|
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– |
// Supported sample rates, sizes and channels |
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int audio_num_sample_rates = 1; |
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uint32 audio_sample_rates[] = {44100 << 16}; |
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int audio_num_sample_sizes = 1; |
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uint16 audio_sample_sizes[] = {16}; |
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int audio_num_channel_counts = 1; |
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uint16 audio_channel_counts[] = {2}; |
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|
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// Global variables |
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static int fd = -1; // fd of /dev/audio |
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static sem_t audio_irq_done_sem; // Signal from interrupt to streaming thread: data block read |
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* Initialization |
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*/ |
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|
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+ |
// Set AudioStatus to reflect current audio stream format |
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+ |
static void set_audio_status_format(void) |
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+ |
{ |
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+ |
AudioStatus.sample_rate = audio_sample_rates[0]; |
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+ |
AudioStatus.sample_size = audio_sample_sizes[0]; |
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+ |
AudioStatus.channels = audio_channel_counts[0]; |
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+ |
} |
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+ |
|
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void AudioInit(void) |
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{ |
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char str[256]; |
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|
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// Init audio status and feature flags |
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< |
AudioStatus.sample_rate = audio_sample_rates[0]; |
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< |
AudioStatus.sample_size = audio_sample_sizes[0]; |
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< |
AudioStatus.channels = audio_channel_counts[0]; |
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> |
audio_sample_rates.push_back(44100 << 16); |
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> |
audio_sample_sizes.push_back(16); |
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> |
audio_channel_counts.push_back(2); |
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> |
set_audio_status_format(); |
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AudioStatus.mixer = 0; |
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AudioStatus.num_sources = 0; |
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audio_component_flags = cmpWantsRegisterMessage | kStereoOut | k16BitOut; |
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write(fd, Mac2HostAddr(ReadMacInt32(apple_stream_info + scd_buffer)), sound_buffer_size); |
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else { |
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// Last buffer |
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< |
memcpy(last_buffer, Mac2HostAddr(ReadMacInt32(apple_stream_info + scd_buffer)), work_size); |
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> |
Mac2Host_memcpy(last_buffer, ReadMacInt32(apple_stream_info + scd_buffer), work_size); |
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memset((uint8 *)last_buffer + work_size, 0, sound_buffer_size - work_size); |
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write(fd, last_buffer, sound_buffer_size); |
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} |
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return 0x01000100; |
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} |
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|
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< |
bool audio_get_dac_mute(void) |
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> |
bool audio_get_speaker_mute(void) |
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{ |
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return false; |
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} |
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|
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< |
uint32 audio_get_dac_volume(void) |
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> |
uint32 audio_get_speaker_volume(void) |
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{ |
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return 0x01000100; |
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} |
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{ |
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} |
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|
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< |
void audio_set_dac_mute(bool mute) |
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> |
void audio_set_speaker_mute(bool mute) |
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{ |
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} |
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|
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< |
void audio_set_dac_volume(uint32 vol) |
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> |
void audio_set_speaker_volume(uint32 vol) |
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{ |
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} |
