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Fix audio volume and mute

This commit is contained in:
kanjitalk755 2022-12-12 18:17:01 +09:00
parent ed3decddf1
commit d6112f4a30
1 changed files with 27 additions and 15 deletions
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42
BasiliskII/src/SDL/audio_sdl.cpp
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@ -50,11 +50,14 @@ static int audio_channel_count_index = 0;
static SDL_sem *audio_irq_done_sem = NULL; // Signal from interrupt to streaming thread: data block read
static uint8 silence_byte; // Byte value to use to fill sound buffers with silence
static uint8 *audio_mix_buf = NULL;
static int audio_volume = SDL_MIX_MAXVOLUME;
static bool audio_mute = false;
static int main_volume = MAC_MAX_VOLUME;
static int speaker_volume = MAC_MAX_VOLUME;
static bool main_mute = false;
static bool speaker_mute = false;
// Prototypes
static void stream_func(void *arg, uint8 *stream, int stream_len);
static int get_audio_volume();
/*
@ -113,7 +116,7 @@ static bool open_sdl_audio(void)
#if defined(BINCUE)
OpenAudio_bincue(audio_spec.freq, audio_spec.format, audio_spec.channels,
audio_spec.silence, audio_volume);
audio_spec.silence, get_audio_volume());
#endif
#if SDL_VERSION_ATLEAST(2,0,0)
@ -229,7 +232,7 @@ static void stream_func(void *arg, uint8 *stream, int stream_len)
// Get size of audio data
uint32 apple_stream_info = ReadMacInt32(audio_data + adatStreamInfo);
if (apple_stream_info && !audio_mute) {
if (apple_stream_info && !main_mute && !speaker_mute) {
int work_size = ReadMacInt32(apple_stream_info + scd_sampleCount) * (AudioStatus.sample_size >> 3) * AudioStatus.channels;
D(bug("stream: work_size %d\n", work_size));
if (work_size > stream_len)
@ -240,7 +243,7 @@ static void stream_func(void *arg, uint8 *stream, int stream_len)
// Send data to audio device
Mac2Host_memcpy(audio_mix_buf, ReadMacInt32(apple_stream_info + scd_buffer), work_size);
memset((uint8 *)stream, silence_byte, stream_len);
SDL_MixAudio(stream, audio_mix_buf, work_size, audio_volume);
SDL_MixAudio(stream, audio_mix_buf, work_size, get_audio_volume());
D(bug("stream: data written\n"));
@ -254,7 +257,7 @@ static void stream_func(void *arg, uint8 *stream, int stream_len)
}
#if defined(BINCUE)
MixAudio_bincue(stream, stream_len, audio_volume);
MixAudio_bincue(stream, stream_len, get_audio_volume());
#endif
}
@ -320,45 +323,54 @@ bool audio_set_channels(int index)
bool audio_get_main_mute(void)
{
return audio_mute;
return main_mute;
}
uint32 audio_get_main_volume(void)
{
uint32 chan = (audio_volume * MAC_MAX_VOLUME / SDL_MIX_MAXVOLUME);
uint32 chan = main_volume;
return (chan << 16) + chan;
}
bool audio_get_speaker_mute(void)
{
return audio_mute;
return speaker_mute;
}
uint32 audio_get_speaker_volume(void)
{
return audio_get_main_volume();
uint32 chan = speaker_volume;
return (chan << 16) + chan;
}
void audio_set_main_mute(bool mute)
{
audio_mute = mute;
main_mute = mute;
}
void audio_set_main_volume(uint32 vol)
{
// We only have one-channel volume right now.
uint32 avg = ((vol >> 16) + (vol & 0xffff)) / 2;
if (avg > MAC_MAX_VOLUME)
avg = MAC_MAX_VOLUME;
audio_volume = avg * SDL_MIX_MAXVOLUME / MAC_MAX_VOLUME;
main_volume = ((vol >> 16) + (vol & 0xffff)) / 2;
if (main_volume > MAC_MAX_VOLUME)
main_volume = MAC_MAX_VOLUME;
}
void audio_set_speaker_mute(bool mute)
{
speaker_mute = mute;
}
void audio_set_speaker_volume(uint32 vol)
{
// We only have one-channel volume right now.
speaker_volume = ((vol >> 16) + (vol & 0xffff)) / 2;
if (speaker_volume > MAC_MAX_VOLUME)
speaker_volume = MAC_MAX_VOLUME;
}
static int get_audio_volume() {
return main_volume * speaker_volume * SDL_MIX_MAXVOLUME / (MAC_MAX_VOLUME * MAC_MAX_VOLUME);
}
#if SDL_VERSION_ATLEAST(2,0,0)