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Merge pull request #26660 from marxin/fix-25639-audio-negative-shift

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Fix #25639 by not shifting a negative value.
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Rémi Verschelde 2019-03-05 23:10:02 +01:00 committed by GitHub
commit 6c2283b2d4
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1 changed files with 4 additions and 2 deletions
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6
servers/audio_server.cpp
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@ -259,11 +259,13 @@ void AudioServer::_driver_process(int p_frames, int32_t *p_buffer) {
float l = CLAMP(buf[from + j].l, -1.0, 1.0); float l = CLAMP(buf[from + j].l, -1.0, 1.0);
int32_t vl = l * ((1 << 20) - 1); int32_t vl = l * ((1 << 20) - 1);
p_buffer[(from_buf + j) * (cs * 2) + k * 2 + 0] = vl << 11; int32_t vl2 = (vl < 0 ? -1 : 1) * (ABS(vl) << 11);
p_buffer[(from_buf + j) * (cs * 2) + k * 2 + 0] = vl2;
float r = CLAMP(buf[from + j].r, -1.0, 1.0); float r = CLAMP(buf[from + j].r, -1.0, 1.0);
int32_t vr = r * ((1 << 20) - 1); int32_t vr = r * ((1 << 20) - 1);
p_buffer[(from_buf + j) * (cs * 2) + k * 2 + 1] = vr << 11; int32_t vr2 = (vr < 0 ? -1 : 1) * (ABS(vr) << 11);
p_buffer[(from_buf + j) * (cs * 2) + k * 2 + 1] = vr2;
} }
} else { } else {