mirrors/libstb-hal
1
0
Fork 0
mirror of https://github.com/tuxbox-neutrino/libstb-hal.git synced 2025-08-26 23:13:16 +02:00
Code Issues Packages Projects Releases Wiki Activity

libspark/audio: add mixer access methods

Browse Source
This commit is contained in:
martii
2014-06-29 13:00:18 +02:00
parent f77184cb68
commit 656aef8328
2 changed files with 76 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
libspark/audio.cpp
View File

@@ -1,12 +1,14 @@
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <linux/dvb/audio.h>
#include "audio_lib.h"
#include "audio_mixer.h"
#include "lt_debug.h"
#define AUDIO_DEVICE "/dev/dvb/adapter0/audio0"
@@ -35,17 +37,25 @@ cAudio::cAudio(void *, void *, void *)
fd = -1;
clipfd = -1;
mixer_fd = -1;
mixerAnalog = mixerHDMI = mixerSPDIF = NULL;
volumeAnalog = volumeHDMI = volumeSPDIF = 0;
mixersMuted = false;
openDevice();
Muted = false;
}
cAudio::~cAudio(void)
{
closeMixers();
closeDevice();
}
void cAudio::openDevice(void)
{
openMixers();
if (fd < 0)
{
if ((fd = open(AUDIO_DEVICE, O_RDWR)) < 0)
@@ -59,6 +69,8 @@ void cAudio::openDevice(void)
void cAudio::closeDevice(void)
{
closeMixers();
if (fd > -1) {
close(fd);
fd = -1;
@@ -414,3 +426,55 @@ void cAudio::setBypassMode(bool disable)
lt_debug("%s %d\n", __func__, disable);
proc_put("/proc/stb/audio/ac3", opt[disable], strlen(opt[disable]));
}
void cAudio::openMixers(void)
{
if (!mixerAnalog)
mixerAnalog = new mixerVolume("Analog", "1");
if (!mixerHDMI)
mixerHDMI = new mixerVolume("HDMI", "1");
if (!mixerSPDIF)
mixerSPDIF = new mixerVolume("SPDIF", "1");
}
void cAudio::closeMixers(void)
{
delete mixerAnalog;
delete mixerHDMI;
delete mixerSPDIF;
mixerAnalog = mixerHDMI = mixerSPDIF = NULL;
}
void cAudio::setMixerVolume(const char *name, long value, bool remember)
{
if (!strcmp(name, "Analog")) {
mixerAnalog->setVolume(value);
if (remember)
volumeAnalog = value;
}
if (!strcmp(name, "HDMI")) {
mixerHDMI->setVolume(value);
if (remember)
volumeHDMI = value;
}
if (!strcmp(name, "SPDIF")) {
mixerSPDIF->setVolume(value);
if (remember)
volumeSPDIF = value;
}
}
void cAudio::muteMixers(bool m)
{
if (m && !mixersMuted) {
mixersMuted = true;
setMixerVolume("Analog", 0, false);
setMixerVolume("HDMI", 0, false);
setMixerVolume("SPDIF", 0, false);
} else if (!m && mixersMuted) {
mixersMuted = false;
setMixerVolume("Analog", volumeAnalog, false);
setMixerVolume("HDMI", volumeHDMI, false);
setMixerVolume("SPDIF", volumeSPDIF, false);
}
}

13
libspark/audio_lib.h
View File

@@ -35,6 +35,8 @@ typedef enum
AUDIO_FMT_ADVANCED = AUDIO_FMT_MLP
} AUDIO_FORMAT;
class mixerVolume;
class cAudio
{
friend class cPlayback;
@@ -57,6 +59,11 @@ class cAudio
int do_mute(bool enable, bool remember);
void setBypassMode(bool disable);
mixerVolume *mixerAnalog, *mixerHDMI, *mixerSPDIF;
int volumeAnalog, volumeHDMI, volumeSPDIF;
bool mixersMuted;
public:
/* construct & destruct */
cAudio(void *, void *, void *);
@@ -92,7 +99,11 @@ class cAudio
void SetSpdifDD(bool enable);
void ScheduleMute(bool On);
void EnableAnalogOut(bool enable);
void openMixers(void);
void closeMixers(void);
void setMixerVolume(const char *name, long value, bool remember = true);
void muteMixers(bool m = true);
};
#endif