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cellMic: do not copy samples to intermediate buffer unless necessary

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This commit is contained in:
Megamouse 2024-08-08 00:39:45 +02:00
parent 80e1b1adf4
commit 1b5ec785f5
1 changed files with 15 additions and 11 deletions
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26
rpcs3/Emu/Cell/Modules/cellMic.cpp
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@ -583,19 +583,11 @@ void microphone_device::get_data(const u32 num_samples)
{
ensure(num_samples > 0);
u8* tmp_ptr = temp_buf.data();
switch (device_type)
{
case microphone_handler::real_singstar:
{
const usz bufsize = num_samples * sample_size;
const mic_device& device = ::at32(devices, 0);
ensure(bufsize <= device.buf.size());
ensure(bufsize <= temp_buf.size());
// Straight copy from device
std::memcpy(tmp_ptr, device.buf.data(), bufsize);
// Straight copy from device. No need for intermediate buffer.
break;
}
case microphone_handler::standard:
@ -607,6 +599,8 @@ void microphone_device::get_data(const u32 num_samples)
ensure(bufsize <= buf.size());
ensure(bufsize <= temp_buf.size());
u8* tmp_ptr = temp_buf.data();
// BE Translation
for (u32 index = 0; index < bufsize; index += channel_size)
{
@ -623,6 +617,8 @@ void microphone_device::get_data(const u32 num_samples)
const std::vector<u8>& buf_0 = ::at32(devices, 0).buf;
ensure(bufsize <= buf_0.size());
u8* tmp_ptr = temp_buf.data();
// Mixing the 2 mics into the 2 destination channels
if (devices.size() == 2)
{
@ -667,7 +663,11 @@ void microphone_device::get_raw(const u32 num_samples)
return;
}
rbuf_raw.write_bytes(temp_buf.data(), num_samples * sample_size);
const std::vector<u8>& buf = device_type == microphone_handler::real_singstar ? ::at32(devices, 0).buf : temp_buf;
const u32 bufsize = num_samples * sample_size;
ensure(bufsize <= buf.size());
rbuf_raw.write_bytes(buf.data(), bufsize);
}
void microphone_device::get_dsp(const u32 num_samples)
@ -677,7 +677,11 @@ void microphone_device::get_dsp(const u32 num_samples)
return;
}
rbuf_dsp.write_bytes(temp_buf.data(), num_samples * sample_size);
const std::vector<u8>& buf = device_type == microphone_handler::real_singstar ? ::at32(devices, 0).buf : temp_buf;
const u32 bufsize = num_samples * sample_size;
ensure(bufsize <= buf.size());
rbuf_dsp.write_bytes(buf.data(), bufsize);
}
/// Initialization/Shutdown Functions