spoon

set dwm status
git clone git://git.2f30.org/spoon.git
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commit ff5d7123662884975ea6f343746dd6206f1153b1
parent f25c8bd0592be9c238e3b7b70176d20367b9f60a
Author: lostd <lostd@2f30.org>
Date:   Tue May 24 21:36:23 +0100

Equivalent of mixerctl outputs.master in percentage

Diffstat:
spoon.c | 65+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 65 insertions(+), 0 deletions(-)
diff --git a/spoon.c b/spoon.c @@ -19,6 +19,7 @@ int mpdread(char *buf, size_t len); int cpuread(char *buf, size_t len); int tempread(char *buf, size_t len); int battread(char *buf, size_t len); +int mixread(char *buf, size_t len); int wifiread(char *buf, size_t len); int dateread(char *buf, size_t len); int xkblayoutread(char *buf, size_t len); @@ -29,6 +30,7 @@ struct ent { } ents[] = { /* reorder this if you want */ { .fmt = "[%s] ", .read = mpdread }, + { .fmt = "[%s] ", .read = mixread }, { .fmt = "[%s] ", .read = xkblayoutread }, { .fmt = "[%s] ", .read = cpuread }, { .fmt = "[%s] ", .read = tempread }, @@ -83,6 +85,7 @@ out: #include <sys/sysctl.h> #include <sys/sensors.h> #include <sys/ioctl.h> +#include <sys/audioio.h> #include <net/if.h> #include <net/if_media.h> @@ -130,6 +133,62 @@ tempread(char *buf, size_t len) } int +mixread(char *buf, size_t len) +{ + mixer_devinfo_t dinfo; + mixer_ctrl_t mctl; + int fd, master, ret = 0, i = -1; + + fd = open("/dev/mixer", O_RDONLY); + if (fd == -1) { + warn("open %s", "/dev/mixer"); + return -1; + } + /* outputs */ + for (dinfo.index = 0; ; dinfo.index++) { + ret = ioctl(fd, AUDIO_MIXER_DEVINFO, &dinfo); + if (ret == -1) { + warn("AUDIO_MIXER_DEVINFO %s", "/dev/mixer"); + close(fd); + return -1; + } + if (dinfo.type == AUDIO_MIXER_CLASS && + strcmp(dinfo.label.name, AudioCoutputs) == 0) { + i = dinfo.index; + break; + } + } + if (i == -1) { + warnx("no outputs mixer class: %s", "/dev/mixer"); + goto out; + } + /* outputs.master */ + for (; ; dinfo.index++) { + ret = ioctl(fd, AUDIO_MIXER_DEVINFO, &dinfo); + if (ret == -1) { + warn("AUDIO_MIXER_DEVINFO %s", "/dev/mixer"); + goto out; + } + if (dinfo.type == AUDIO_MIXER_VALUE && + dinfo.prev == AUDIO_MIXER_LAST && + dinfo.mixer_class == i && + strcmp(dinfo.label.name, AudioNmaster) == 0) + break; + } + mctl.dev = dinfo.index; + ret = ioctl(fd, AUDIO_MIXER_READ, &mctl); + if (ret == -1) { + warn("AUDIO_MIXER_READ %s", "/dev/mixer"); + goto out; + } + master = mctl.un.value.level[0] * 100 / 255; + snprintf(buf, len, "%d%%", master); +out: + close(fd); + return ret; +} + +int battread(char *buf, size_t len) { struct apm_power_info info; @@ -256,6 +315,12 @@ tempread(char *buf, size_t len) } int +mixread(char *buf, size_t len) +{ + return -1; +} + +int battread(char *buf, size_t len) { return -1;