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cellAudio: make master volume dynamic

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This commit is contained in:
Megamouse 2020-05-30 12:43:00 +02:00
parent 3e2aede85c
commit 99895471ae
2 changed files with 11 additions and 11 deletions
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20
rpcs3/Emu/Cell/Modules/cellAudio.cpp
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@ -775,6 +775,8 @@ void cell_audio_thread::mix(float *out_buffer, s32 offset)
bool first_mix = true;
const float master_volume = g_cfg.audio.volume / 100.0f;
// mixing
for (auto& port : ports)
{
@ -782,13 +784,12 @@ void cell_audio_thread::mix(float *out_buffer, s32 offset)
auto buf = port.get_vm_ptr(offset);
static const float k = 1.f;
static const float minus_3db = 0.707f; /* value taken from
https://www.dolby.com/us/en/technologies/a-guide-to-dolby-metadata.pdf */
float& m = port.level;
static const float minus_3db = 0.707f; // value taken from https://www.dolby.com/us/en/technologies/a-guide-to-dolby-metadata.pdf
float m = master_volume;
// part of cellAudioSetPortLevel functionality
// spread port volume changes over 13ms
auto step_volume = [](audio_port& port)
auto step_volume = [master_volume, &m](audio_port& port)
{
const auto param = port.level_set.load();
@ -803,6 +804,8 @@ void cell_audio_thread::mix(float *out_buffer, s32 offset)
port.level_set.compare_and_swap(param, { param.value, 0.0f });
}
}
m = port.level * master_volume;
};
if (port.num_channels == 2)
@ -864,8 +867,7 @@ void cell_audio_thread::mix(float *out_buffer, s32 offset)
if constexpr (DownmixToStereo)
{
const float mid = center * minus_3db; /* don't mix in the lfe as per
dolby specification */
const float mid = center * minus_3db; // don't mix in the lfe as per dolby specification
out_buffer[out + 0] = (left + rear_left + (side_left * minus_3db) + mid) * k;
out_buffer[out + 1] = (right + rear_right + (side_right * minus_3db) + mid) * k;
}
@ -1104,11 +1106,11 @@ error_code cellAudioPortOpen(vm::ptr<CellAudioPortParam> audioParam, vm::ptr<u32
if (attr & CELL_AUDIO_PORTATTR_INITLEVEL)
{
port->level = audioParam->level * g_cfg.audio.volume / 100.0f;
port->level = audioParam->level;
}
else
{
port->level = g_cfg.audio.volume / 100.0f;
port->level = 1.0f;
}
port->level_set.store({ port->level, 0.0f });
@ -1333,8 +1335,6 @@ error_code cellAudioSetPortLevel(u32 portNum, float level)
return CELL_AUDIO_ERROR_PORT_NOT_OPEN;
}
level *= g_cfg.audio.volume / 100.0f;
if (level >= 0.0f)
{
port.level_set.exchange({ level, (port.level - level) / 624.0f });