okseby/Quake-III-Arena
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Support SDL audio devices that require float32 samples.

Browse source 
Fixes missing audio when playing on Windows with SDL 2.0.7, which started
using WASAPI, which demands floating point audio.
This commit is contained in:
Ryan C. Gordon 2018-04-13 14:05:12 -04:00
parent 3377f9981a
commit 4f8c7c2f2f
5 changed files with 26 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

17
code/client/snd_mix.c
View file

@ -184,7 +184,22 @@ void S_TransferPaintBuffer(int endtime)
out_idx = s_paintedtime * dma.channels & out_mask;
step = 3 - dma.channels;
if (dma.samplebits == 16)
if ((dma.isfloat) && (dma.samplebits == 32))
{
float *out = (float *) pbuf;
while (count--)
{
val = *p >> 8;
p+= step;
if (val > 0x7fff)
val = 0x7fff;
else if (val < -32767) /* clamp to one less than max to make division max out at -1.0f. */
val = -32767;
out[out_idx] = ((float) val) / 32767.0f;
out_idx = (out_idx + 1) & out_mask;
}
}
else if (dma.samplebits == 16)
{
short *out = (short *) pbuf;
while (count--)