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Fix SDL audio playback with surround sound

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If user has surround sound enabled, ioq3 would not play any sound.
Fix painting sound buffer for 4/5.1 audio channels. Extra channels
currently play no audio.
This commit is contained in:
Zack Middleton 2018-09-13 12:45:37 -05:00
parent e4208cf5a7
commit 812a3dbfa5
3 changed files with 39 additions and 27 deletions
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10
code/sdl/sdl_snd.c
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@ -267,14 +267,8 @@ qboolean SNDDMA_Init(void)
if (!tmp)
tmp = (obtained.samples * obtained.channels) * 10;
if (tmp & (tmp - 1)) // not a power of two? Seems to confuse something.
{
int val = 1;
while (val < tmp)
val <<= 1;
tmp = val;
}
// samples must be divisible by number of channels
tmp -= tmp % obtained.channels;
dmapos = 0;
dma.samplebits = SDL_AUDIO_BITSIZE(obtained.format);