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AudioServer: Expose the ability to get and set the sample rate

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Two new IPC calls allow audio clients to get and set the sample rate.
The AudioServer calls into the new ioctl of the sound card.
This commit is contained in:
kleines Filmröllchen 2021-08-19 00:07:29 +02:00 • committed by Ali Mohammad Pur
commit 9880a5c481
Notes: sideshowbarker 2024-07-18 05:12:49 +09:00
5 changed files with 38 additions and 0 deletions
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19
Userland/Services/AudioServer/Mixer.cpp
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@ -14,6 +14,8 @@
#include <LibCore/ConfigFile.h>
#include <LibCore/Timer.h>
#include <pthread.h>
#include <stdlib.h>
#include <sys/ioctl.h>
namespace AudioServer {
@ -150,6 +152,23 @@ void Mixer::set_muted(bool muted)
});
}
int Mixer::audiodevice_set_sample_rate(u16 sample_rate)
{
int code = ioctl(m_device->fd(), SOUNDCARD_IOCTL_SET_SAMPLE_RATE, sample_rate);
if (code != 0)
dbgln("Error while setting sample rate to {}: ioctl returned with {}", sample_rate, strerror(code));
return code;
}
u16 Mixer::audiodevice_get_sample_rate() const
{
u16 sample_rate = 0;
int code = ioctl(m_device->fd(), SOUNDCARD_IOCTL_GET_SAMPLE_RATE, &sample_rate);
if (code != 0)
dbgln("Error while getting sample rate: ioctl returned with {}", strerror(code));
return sample_rate;
}
void Mixer::request_setting_sync()
{
if (m_config_write_timer.is_null() || !m_config_write_timer->is_active()) {