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#include <lib/dvb/volume.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <unistd.h>
#if HAVE_DVB_API_VERSION < 3
#define VIDEO_DEV "/dev/dvb/card0/video0"
#define AUDIO_DEV "/dev/dvb/card0/audio0"
#include <ost/audio.h>
#include <ost/video.h>
#else
#define VIDEO_DEV "/dev/dvb/adapter0/video0"
#define AUDIO_DEV "/dev/dvb/adapter0/audio0"
#include <linux/dvb/audio.h>
#include <linux/dvb/video.h>
#endif
eDVBVolumecontrol* eDVBVolumecontrol::instance = NULL;
eDVBVolumecontrol* eDVBVolumecontrol::getInstance()
{
if (instance == NULL)
instance = new eDVBVolumecontrol;
return instance;
}
eDVBVolumecontrol::eDVBVolumecontrol()
{
volumeUnMute();
setVolume(100, 100);
}
int eDVBVolumecontrol::openMixer()
{
return open( AUDIO_DEV, O_RDWR );
}
void eDVBVolumecontrol::closeMixer(int fd)
{
close(fd);
}
void eDVBVolumecontrol::volumeUp(int left, int right)
{
printf("[volume.cpp] Volume up\n");
setVolume(leftVol + left, rightVol + right);
}
void eDVBVolumecontrol::volumeDown(int left, int right)
{
printf("[volume.cpp] Volume down\n");
setVolume(leftVol - left, rightVol - right);
}
int eDVBVolumecontrol::checkVolume(int vol)
{
if (vol < 0)
vol = 0;
else if (vol > 100)
vol = 100;
return vol;
}
void eDVBVolumecontrol::setVolume(int left, int right)
{
leftVol = checkVolume(left);
rightVol = checkVolume(right);
left = 63 - leftVol * 63 / 100;
right = 63 - rightVol * 63 / 100;
#if HAVE_DVB_API_VERSION < 3
audioMixer_t mixer;
#else
audio_mixer_t mixer;
#endif
#ifdef HAVE_DVB_API_VERSION
mixer.volume_left = (left * left) / 64;
mixer.volume_right = (right * right) / 64;
#endif
int fd = openMixer();
#ifdef HAVE_DVB_API_VERSION
ioctl(fd, AUDIO_SET_MIXER, &mixer);
#endif
closeMixer(fd);
printf("Setvolume: %d %d\n", leftVol, rightVol);
printf("Setvolume: %d %d\n", left, right);
//HACK?
FILE *f;
if((f = fopen("/proc/stb/avs/0/volume", "wb")) == NULL) {
printf("cannot open /proc/stb/avs/0/volume\n");
return;
}
fprintf(f, "%d", left);
fclose(f);
}
int eDVBVolumecontrol::getVolume()
{
if (isMuted())
return 0;
return leftVol;
}
bool eDVBVolumecontrol::isMuted()
{
return muted;
}
void eDVBVolumecontrol::volumeMute()
{
int fd = openMixer();
#ifdef HAVE_DVB_API_VERSION
ioctl(fd, AUDIO_SET_MUTE, true);
#endif
closeMixer(fd);
muted = true;
//HACK?
FILE *f;
if((f = fopen("/proc/stb/audio/j1_mute", "wb")) == NULL) {
printf("cannot open /proc/stb/audio/j1_mute\n");
return;
}
fprintf(f, "%d", 1);
fclose(f);
}
void eDVBVolumecontrol::volumeUnMute()
{
int fd = openMixer();
#ifdef HAVE_DVB_API_VERSION
ioctl(fd, AUDIO_SET_MUTE, false);
#endif
closeMixer(fd);
muted = false;
//HACK?
FILE *f;
if((f = fopen("/proc/stb/audio/j1_mute", "wb")) == NULL) {
printf("cannot open /proc/stb/audio/j1_mute\n");
return;
}
fprintf(f, "%d", 0);
fclose(f);
}
void eDVBVolumecontrol::volumeToggleMute()
{
if (isMuted())
volumeUnMute();
else
volumeMute();
}
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