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Sound (FreeBSD): don't use mixer.h

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It's only supported in FreeBSD 14 and later
This commit is contained in:
Carter Li
2024-01-17 10:11:07 +08:00
committed by 李通洲
parent 861eea5899
commit c8f28e4c79
2 changed files with 33 additions and 24 deletions
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src/detection/sound/sound_bsd.c
+33 -23
View File
@@ -1,37 +1,47 @@
#include "sound.h"
#include "common/io/io.h"
#include "common/sysctl.h"
#include <mixer.h>
#include <fcntl.h>
#include <sys/soundcard.h>
const char* ffDetectSound(FFlist* devices)
{
int nmixers = mixer_get_nmixers();
if (nmixers == 0) return "No mixers found";
if (__builtin_expect(nmixers > 9, false)) nmixers = 9;
char path[] = "/dev/mixer0";
int defaultDev = ffSysctlGetInt("hw.snd.default_unit", -1);
for (int idev = 0; idev < nmixers; ++idev)
for (int idev = 0; idev <= 9; ++idev)
{
path[strlen("/dev/mixer")] = (char) ('0' + idev);
struct mixer* m = mixer_open(path);
if (!m) continue;
FF_AUTO_CLOSE_FD int fd = open(path, O_RDWR);
if (fd < 0) break;
if (m->mode & MIX_MODE_PLAY)
{
struct mix_dev* dev = mixer_get_dev_byname(m, "vol");
if (dev)
{
FFSoundDevice* device = ffListAdd(devices);
ffStrbufInitS(&device->identifier, path);
ffStrbufInitF(&device->name, "%s %s", m->ci.longname, m->ci.hw_info);
device->volume = MIX_ISMUTE(m, dev->devno) ? 0 : (uint8_t) MIX_VOLDENORM((dev->vol.left + dev->vol.right) / 2);
device->active = true;
device->main = !!m->f_default;
}
}
uint32_t devmask = 0;
if (ioctl(fd, SOUND_MIXER_READ_DEVMASK, &devmask) < 0)
continue;
if (!((1 << SOUND_MIXER_VOLUME) & devmask))
continue;
mixer_close(m);
uint32_t mutemask = 0;
if (ioctl(fd, SOUND_MIXER_READ_MUTE, &mutemask) < 0)
continue;
struct oss_card_info ci = { .card = idev };
if (ioctl(fd, SNDCTL_CARDINFO, &ci) < 0)
continue;
uint32_t volume;
if (ioctl(fd, MIXER_READ(SOUND_MIXER_VOLUME), &volume) < 0)
continue;
FFSoundDevice* device = ffListAdd(devices);
ffStrbufInitS(&device->identifier, path);
ffStrbufInitF(&device->name, "%s %s", ci.longname, ci.hw_info);
device->volume = (1 << SOUND_MIXER_VOLUME) & mutemask
? 0
: ((uint8_t) volume /*left*/ + (uint8_t) (volume >> 8) /*right*/) / 2;
device->active = true;
device->main = defaultDev == idev;
}
return NULL;