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more try to fix low q

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This commit is contained in:
georgemoralis 2026-07-10 09:15:35 +03:00
parent bd6232ecbb
commit dbc948f485
1 changed files with 19 additions and 2 deletions
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21
src/core/libraries/audio/openal_audio_out.cpp
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@ -14,6 +14,11 @@
// Fallbacks in case the alext.h in use predates these extensions.
#ifndef ALC_SOFT_output_mode
#define ALC_OUTPUT_MODE_SOFT 0x19AC
#define ALC_MONO_SOFT 0x1500
#define ALC_STEREO_SOFT 0x1501
#define ALC_STEREO_BASIC_SOFT 0x19AE
#define ALC_STEREO_UHJ_SOFT 0x19AF
#define ALC_STEREO_HRTF_SOFT 0x19B2
#define ALC_SURROUND_5_1_SOFT 0x1504
#define ALC_SURROUND_6_1_SOFT 0x1505
#define ALC_SURROUND_7_1_SOFT 0x1506
@ -270,6 +275,20 @@ private:
hrtf_active = hrtf_on == ALC_TRUE;
}
const bool stereo_output = output_mode == ALC_MONO_SOFT || output_mode == ALC_STEREO_SOFT ||
output_mode == ALC_STEREO_BASIC_SOFT ||
output_mode == ALC_STEREO_UHJ_SOFT ||
output_mode == ALC_STEREO_HRTF_SOFT;
if (know_output_mode && stereo_output && !hrtf_active && num_channels >= 6 &&
!downmix_to_stereo) {
downmix_to_stereo = true;
use_native_float = false;
format = AL_FORMAT_STEREO16;
fold_lfe = false; // The downmix converters already carry LFE.
LOG_INFO(Lib_AudioOut, "Stereo output: using internal {}ch->stereo downmix",
num_channels);
}
// Allocate buffers based on format
if (use_native_float) {
al_buffer_float.resize(buffer_frames * num_channels);
@ -654,7 +673,6 @@ private:
if (std::abs(v) < 1.0e-20f)
v = 0.0f;
// Sony behavior: +1.0f -> 32767, -1.0f -> -32768
const float scaled = v * 32768.0f;
if (scaled >= 32767.0f)
@ -740,7 +758,6 @@ private:
d[i * 2 + 1] = OrbisFloatToS16(s[o + FR] + center + lfe + 0.7071f * s[o + 5]);
}
}
void FoldLfeIntoFronts() {
constexpr float LFE_GAIN = 0.7071f;
if (use_native_float) {