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Use constant for max volume

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This commit is contained in:
Dave Vasilevsky 2015-12-27 22:42:37 -05:00
parent 4fa03d5fb1
commit c2236350f4
1 changed files with 6 additions and 4 deletions
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10
BasiliskII/src/SDL/audio_sdl.cpp
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@ -37,6 +37,8 @@
#endif
#define MAC_MAX_VOLUME 0x0100
// The currently selected audio parameters (indices in audio_sample_rates[] etc. vectors)
static int audio_sample_rate_index = 0;
static int audio_sample_size_index = 0;
@ -305,7 +307,7 @@ bool audio_get_main_mute(void)
uint32 audio_get_main_volume(void)
{
uint32 chan = (audio_volume * 0x0100 / SDL_MIX_MAXVOLUME);
uint32 chan = (audio_volume * MAC_MAX_VOLUME / SDL_MIX_MAXVOLUME);
return (chan << 16) + chan;
}
@ -328,9 +330,9 @@ void audio_set_main_volume(uint32 vol)
{
// We only have one-channel volume right now.
uint32 avg = ((vol >> 16) + (vol & 0xffff)) / 2;
if (avg > 0x0100)
avg = 0x0100;
audio_volume = avg * SDL_MIX_MAXVOLUME / 0x0100;
if (avg > MAC_MAX_VOLUME)
avg = MAC_MAX_VOLUME;
audio_volume = avg * SDL_MIX_MAXVOLUME / MAC_MAX_VOLUME;
}
void audio_set_speaker_mute(bool mute)