X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fprint_volume.c;h=58cba2a85b71a1c1de0e74869d8c371ad5a65793;hb=a13b2e7288e943359ccb37be86efb716efbe98c8;hp=7b38e6343fdf35a0cbe741dfbee5b562955bda91;hpb=aabac78fd0c5fa0ef3ec46080acc788a32a1ef9c;p=i3%2Fi3status diff --git a/src/print_volume.c b/src/print_volume.c index 7b38e63..58cba2a 100644 --- a/src/print_volume.c +++ b/src/print_volume.c @@ -1,8 +1,9 @@ -// vim:ts=8:expandtab +// vim:ts=4:sw=4:expandtab #include #include #include #include +#include #include #include @@ -11,7 +12,7 @@ #include #endif -#ifdef __FreeBSD__ +#if defined(__FreeBSD__) || defined(__DragonFly__) #include #include #include @@ -20,183 +21,272 @@ #ifdef __OpenBSD__ #include #include -#include +#include +#include #endif #include "i3status.h" #include "queue.h" -#ifdef LINUX -struct mixer_hdl { - char *device; - char *mixer; - int mixer_idx; - snd_mixer_selem_id_t *sid; - snd_mixer_t *m; - snd_mixer_elem_t *elem; - long min; - long max; - - TAILQ_ENTRY(mixer_hdl) handles; -}; - -TAILQ_HEAD(handles_head, mixer_hdl) cached = TAILQ_HEAD_INITIALIZER(cached); - -static void free_hdl(struct mixer_hdl *hdl) { - free(hdl->device); - free(hdl->mixer); - free(hdl); +static char *apply_volume_format(const char *fmt, char *outwalk, int ivolume) { + const char *walk = fmt; + + for (; *walk != '\0'; walk++) { + if (*walk != '%') { + *(outwalk++) = *walk; + continue; + } + if (BEGINS_WITH(walk + 1, "%")) { + outwalk += sprintf(outwalk, "%s", pct_mark); + walk += strlen("%"); + } + if (BEGINS_WITH(walk + 1, "volume")) { + outwalk += sprintf(outwalk, "%d%s", ivolume, pct_mark); + walk += strlen("volume"); + } + } + return outwalk; } -#endif -void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *device, const char *mixer, int mixer_idx) { - char *outwalk = buffer; +void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *fmt_muted, const char *device, const char *mixer, int mixer_idx) { + char *outwalk = buffer; + int pbval = 1; - /* Printing volume only works with ALSA at the moment */ - if (output_format == O_I3BAR) { - char *instance; - asprintf(&instance, "%s.%s.%d", device, mixer, mixer_idx); - INSTANCE(instance); - free(instance); + /* Printing volume works with ALSA and PulseAudio at the moment */ + if (output_format == O_I3BAR) { + char *instance; + asprintf(&instance, "%s.%s.%d", device, mixer, mixer_idx); + INSTANCE(instance); + free(instance); + } + +#ifndef __OpenBSD__ + /* Try PulseAudio first */ + + /* If the device name has the format "pulse[:N]" where N is the + * index of the PulseAudio sink then force PulseAudio, optionally + * overriding the default sink */ + if (!strncasecmp(device, "pulse", strlen("pulse"))) { + uint32_t sink_idx = device[5] == ':' ? (uint32_t)atoi(device + 6) + : DEFAULT_SINK_INDEX; + int cvolume = pulse_initialize() ? volume_pulseaudio(sink_idx) : 0; + int ivolume = DECOMPOSE_VOLUME(cvolume); + bool muted = DECOMPOSE_MUTED(cvolume); + if (muted) { + START_COLOR("color_degraded"); + pbval = 0; + } + /* negative result means error, stick to 0 */ + if (ivolume < 0) + ivolume = 0; + outwalk = apply_volume_format(muted ? fmt_muted : fmt, + outwalk, + ivolume); + goto out; + } else if (!strcasecmp(device, "default") && pulse_initialize()) { + /* no device specified or "default" set */ + int cvolume = volume_pulseaudio(DEFAULT_SINK_INDEX); + int ivolume = DECOMPOSE_VOLUME(cvolume); + bool muted = DECOMPOSE_MUTED(cvolume); + if (ivolume >= 0) { + if (muted) { + START_COLOR("color_degraded"); + pbval = 0; + } + outwalk = apply_volume_format(muted ? fmt_muted : fmt, + outwalk, + ivolume); + goto out; } + /* negative result means error, fail PulseAudio attempt */ + } +/* If some other device was specified or PulseAudio is not detected, + * proceed to ALSA / OSS */ +#endif + #ifdef LINUX - /* Check if we already opened the mixer and get the handle - * from cache if so */ - bool found = false; - int err; - struct mixer_hdl *hdl; - TAILQ_FOREACH(hdl, &cached, handles) { - if (strcmp(hdl->device, device) != 0 || - strcmp(hdl->mixer, mixer) != 0 || - hdl->mixer_idx != mixer_idx) - continue; - found = true; - break; - } - - if (!found) { - if ((hdl = calloc(sizeof(struct mixer_hdl), 1)) == NULL) - return; - - if ((hdl->device = strdup(device)) == NULL) { - free(hdl); - return; - } - - if ((hdl->mixer = strdup(mixer)) == NULL) { - free(hdl->device); - free(hdl); - return; - } - - hdl->mixer_idx = mixer_idx; - snd_mixer_selem_id_malloc(&(hdl->sid)); - if (hdl->sid == NULL) { - free_hdl(hdl); - return; - } - - if ((err = snd_mixer_open(&(hdl->m), 0)) < 0) { - fprintf(stderr, "ALSA: Cannot open mixer: %s\n", snd_strerror(err)); - free_hdl(hdl); - return; - } - - /* Attach this mixer handle to the given device */ - if ((err = snd_mixer_attach(hdl->m, device)) < 0) { - fprintf(stderr, "ALSA: Cannot attach mixer to device: %s\n", snd_strerror(err)); - snd_mixer_close(hdl->m); - free_hdl(hdl); - return; - } - - /* Register this mixer */ - if ((err = snd_mixer_selem_register(hdl->m, NULL, NULL)) < 0) { - fprintf(stderr, "ALSA: snd_mixer_selem_register: %s\n", snd_strerror(err)); - snd_mixer_close(hdl->m); - free_hdl(hdl); - return; - } - - if ((err = snd_mixer_load(hdl->m)) < 0) { - fprintf(stderr, "ALSA: snd_mixer_load: %s\n", snd_strerror(err)); - snd_mixer_close(hdl->m); - free_hdl(hdl); - return; - } - - /* Find the given mixer */ - snd_mixer_selem_id_set_index(hdl->sid, mixer_idx); - snd_mixer_selem_id_set_name(hdl->sid, mixer); - if (!(hdl->elem = snd_mixer_find_selem(hdl->m, hdl->sid))) { - fprintf(stderr, "ALSA: Cannot find mixer %s (index %i)\n", - snd_mixer_selem_id_get_name(hdl->sid), snd_mixer_selem_id_get_index(hdl->sid)); - snd_mixer_close(hdl->m); - free_hdl(hdl); - return; - } - - /* Get the volume range to convert the volume later */ - snd_mixer_selem_get_playback_volume_range(hdl->elem, &(hdl->min), &(hdl->max)); - TAILQ_INSERT_TAIL(&cached, hdl, handles); - } - - long val; - snd_mixer_handle_events (hdl->m); - snd_mixer_selem_get_playback_volume (hdl->elem, 0, &val); - int avg; - if (hdl->max != 100) { - float avgf = ((float)val / hdl->max) * 100; - avg = (int)avgf; - avg = (avgf - avg < 0.5 ? avg : (avg+1)); - } else avg = (int)val; - - /* Check for mute */ - if (snd_mixer_selem_has_playback_switch(hdl->elem)) { - int pbval; - if ((err = snd_mixer_selem_get_playback_switch(hdl->elem, 0, &pbval)) < 0) - fprintf (stderr, "ALSA: playback_switch: %s\n", snd_strerror(err)); - if (!pbval) - avg = 0; - } - - const char *walk = fmt; - for (; *walk != '\0'; walk++) { - if (*walk != '%') { - *(outwalk++) = *walk; - continue; - } - if (BEGINS_WITH(walk+1, "volume")) { - outwalk += sprintf(outwalk, "%d%%", avg); - walk += strlen("volume"); - } - } + int err; + snd_mixer_t *m; + snd_mixer_selem_id_t *sid; + snd_mixer_elem_t *elem; + long min, max, val; + int avg; + + if ((err = snd_mixer_open(&m, 0)) < 0) { + fprintf(stderr, "i3status: ALSA: Cannot open mixer: %s\n", snd_strerror(err)); + goto out; + } + + /* Attach this mixer handle to the given device */ + if ((err = snd_mixer_attach(m, device)) < 0) { + fprintf(stderr, "i3status: ALSA: Cannot attach mixer to device: %s\n", snd_strerror(err)); + snd_mixer_close(m); + goto out; + } + + /* Register this mixer */ + if ((err = snd_mixer_selem_register(m, NULL, NULL)) < 0) { + fprintf(stderr, "i3status: ALSA: snd_mixer_selem_register: %s\n", snd_strerror(err)); + snd_mixer_close(m); + goto out; + } + + if ((err = snd_mixer_load(m)) < 0) { + fprintf(stderr, "i3status: ALSA: snd_mixer_load: %s\n", snd_strerror(err)); + snd_mixer_close(m); + goto out; + } + + snd_mixer_selem_id_malloc(&sid); + if (sid == NULL) { + snd_mixer_close(m); + goto out; + } + + /* Find the given mixer */ + snd_mixer_selem_id_set_index(sid, mixer_idx); + snd_mixer_selem_id_set_name(sid, mixer); + if (!(elem = snd_mixer_find_selem(m, sid))) { + fprintf(stderr, "i3status: ALSA: Cannot find mixer %s (index %i)\n", + snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid)); + snd_mixer_close(m); + snd_mixer_selem_id_free(sid); + goto out; + } + + /* Get the volume range to convert the volume later */ + snd_mixer_selem_get_playback_volume_range(elem, &min, &max); + + snd_mixer_handle_events(m); + snd_mixer_selem_get_playback_volume(elem, 0, &val); + if (max != 100) { + float avgf = ((float)val / max) * 100; + avg = (int)avgf; + avg = (avgf - avg < 0.5 ? avg : (avg + 1)); + } else + avg = (int)val; + + /* Check for mute */ + if (snd_mixer_selem_has_playback_switch(elem)) { + if ((err = snd_mixer_selem_get_playback_switch(elem, 0, &pbval)) < 0) + fprintf(stderr, "i3status: ALSA: playback_switch: %s\n", snd_strerror(err)); + if (!pbval) { + START_COLOR("color_degraded"); + fmt = fmt_muted; + } + } + + snd_mixer_close(m); + snd_mixer_selem_id_free(sid); + + outwalk = apply_volume_format(fmt, outwalk, avg); + +#endif +#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) + char *mixerpath; + char defaultmixer[] = "/dev/mixer"; + int mixfd, vol, devmask = 0; + pbval = 1; + + if (mixer_idx > 0) + asprintf(&mixerpath, "/dev/mixer%d", mixer_idx); + else + mixerpath = defaultmixer; + + if ((mixfd = open(mixerpath, O_RDWR)) < 0) { +#if defined(__OpenBSD__) + warn("audioio: Cannot open mixer"); +#else + warn("OSS: Cannot open mixer"); #endif -#if defined(__FreeBSD__) || defined(__OpenBSD__) - char mixerpath[] = "/dev/mixer"; - int mixfd, vol, devmask = 0; - - if ((mixfd = open(mixerpath, O_RDWR)) < 0) - return; - if (ioctl(mixfd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) - return; - if (ioctl(mixfd, MIXER_READ(0),&vol) == -1) - return; - - const char *walk = fmt; - for (; *walk != '\0'; walk++) { - if (*walk != '%') { - *(outwalk++) = *walk; - continue; - } - if (BEGINS_WITH(walk+1, "volume")) { - outwalk += sprintf(outwalk, "%d%%", vol & 0x7f); - walk += strlen("volume"); - } + goto out; + } + + if (mixer_idx > 0) + free(mixerpath); + +#if defined(__OpenBSD__) + int oclass_idx = -1, master_idx = -1, master_mute_idx = -1; + mixer_devinfo_t devinfo, devinfo2; + mixer_ctrl_t vinfo; + + devinfo.index = 0; + while (ioctl(mixfd, AUDIO_MIXER_DEVINFO, &devinfo) >= 0) { + if (devinfo.type != AUDIO_MIXER_CLASS) { + devinfo.index++; + continue; } - close(mixfd); + if (strncmp(devinfo.label.name, AudioCoutputs, MAX_AUDIO_DEV_LEN) == 0) + oclass_idx = devinfo.index; + + devinfo.index++; + } + + devinfo2.index = 0; + while (ioctl(mixfd, AUDIO_MIXER_DEVINFO, &devinfo2) >= 0) { + if ((devinfo2.type == AUDIO_MIXER_VALUE) && (devinfo2.mixer_class == oclass_idx) && (strncmp(devinfo2.label.name, AudioNmaster, MAX_AUDIO_DEV_LEN) == 0)) + master_idx = devinfo2.index; + + if ((devinfo2.type == AUDIO_MIXER_ENUM) && (devinfo2.mixer_class == oclass_idx) && (strncmp(devinfo2.label.name, AudioNmute, MAX_AUDIO_DEV_LEN) == 0)) + master_mute_idx = devinfo2.index; + + devinfo2.index++; + } + + if (master_idx == -1) + goto out; + + devinfo.index = master_idx; + if (ioctl(mixfd, AUDIO_MIXER_DEVINFO, &devinfo) == -1) + goto out; + + vinfo.dev = master_idx; + vinfo.type = AUDIO_MIXER_VALUE; + if (ioctl(mixfd, AUDIO_MIXER_READ, &vinfo) == -1) + goto out; + + if (AUDIO_MAX_GAIN != 100) { + float avgf = ((float)vinfo.un.value.level[AUDIO_MIXER_LEVEL_MONO] / AUDIO_MAX_GAIN) * 100; + vol = (int)avgf; + vol = (avgf - vol < 0.5 ? vol : (vol + 1)); + } else { + vol = (int)vinfo.un.value.level[AUDIO_MIXER_LEVEL_MONO]; + } + + vinfo.dev = master_mute_idx; + vinfo.type = AUDIO_MIXER_ENUM; + if (ioctl(mixfd, AUDIO_MIXER_READ, &vinfo) == -1) + goto out; + + if (master_mute_idx != -1 && vinfo.un.ord) { + START_COLOR("color_degraded"); + fmt = fmt_muted; + pbval = 0; + } + +#else + if (ioctl(mixfd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) { + warn("OSS: Cannot read mixer information"); + goto out; + } + if (ioctl(mixfd, MIXER_READ(0), &vol) == -1) { + warn("OSS: Cannot read mixer information"); + goto out; + } + + if (((vol & 0x7f) == 0) && (((vol >> 8) & 0x7f) == 0)) { + START_COLOR("color_degraded"); + pbval = 0; + } + +#endif + outwalk = apply_volume_format(fmt, outwalk, vol & 0x7f); + close(mixfd); #endif - *outwalk = '\0'; - OUTPUT_FULL_TEXT(buffer); +out: + *outwalk = '\0'; + if (!pbval) + END_COLOR; + OUTPUT_FULL_TEXT(buffer); }