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