RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 23:48:11 +00:00
Code Issues Activity Actions

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

Browse source 
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
parent d0ceaa24a6
commit 9880a5c481
5 changed files with 38 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

19
Userland/Services/AudioServer/Mixer.cpp
View file

@ -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()) {