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author | Avuton Olrich <avuton@gmail.com> | 2006-07-20 16:02:40 +0000 |
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committer | Avuton Olrich <avuton@gmail.com> | 2006-07-20 16:02:40 +0000 |
commit | 29a25b9933b32800f58dd73d5d1fc21993071c92 (patch) | |
tree | 4f456a6f8e44d42acc289c35534ea3e59c0aa96f /src/volume.c | |
parent | 099f0e103f7591eef81183292d704b3a77a99018 (diff) | |
download | mpd-29a25b9933b32800f58dd73d5d1fc21993071c92.tar.gz mpd-29a25b9933b32800f58dd73d5d1fc21993071c92.tar.xz mpd-29a25b9933b32800f58dd73d5d1fc21993071c92.zip |
Add mpd-indent.sh
Indent the entire tree, hopefully we can keep
it indented.
git-svn-id: https://svn.musicpd.org/mpd/trunk@4410 09075e82-0dd4-0310-85a5-a0d7c8717e4f
Diffstat (limited to 'src/volume.c')
-rw-r--r-- | src/volume.c | 260 |
1 files changed, 143 insertions, 117 deletions
diff --git a/src/volume.c b/src/volume.c index dca8f5115..32b56bd66 100644 --- a/src/volume.c +++ b/src/volume.c @@ -59,7 +59,7 @@ #endif static int volume_mixerType = VOLUME_MIXER_TYPE_DEFAULT; -static char * volume_mixerDevice = VOLUME_MIXER_DEVICE_DEFAULT; +static char *volume_mixerDevice = VOLUME_MIXER_DEVICE_DEFAULT; static int volume_softwareSet = 100; @@ -69,8 +69,8 @@ static int volume_ossControl = SOUND_MIXER_PCM; #endif #ifdef HAVE_ALSA -static snd_mixer_t * volume_alsaMixerHandle = NULL; -static snd_mixer_elem_t * volume_alsaElem; +static snd_mixer_t *volume_alsaMixerHandle = NULL; +static snd_mixer_elem_t *volume_alsaElem; static long volume_alsaMin; static long volume_alsaMax; static int volume_alsaSet = -1; @@ -80,53 +80,54 @@ static int volume_alsaSet = -1; static void closeOssMixer(void) { - while (close(volume_ossFd) && errno == EINTR); + while (close(volume_ossFd) && errno == EINTR) ; volume_ossFd = -1; } -static int prepOssMixer(char * device) { - ConfigParam * param; +static int prepOssMixer(char *device) +{ + ConfigParam *param; - if((volume_ossFd = open(device,O_RDONLY))<0) { - WARNING("unable to open oss mixer \"%s\"\n",device); + if ((volume_ossFd = open(device, O_RDONLY)) < 0) { + WARNING("unable to open oss mixer \"%s\"\n", device); return -1; } - param = getConfigParam(CONF_MIXER_CONTROL); + param = getConfigParam(CONF_MIXER_CONTROL); - if(param) { - char * labels[SOUND_MIXER_NRDEVICES] = SOUND_DEVICE_LABELS; - char * dup; - int i,j; + if (param) { + char *labels[SOUND_MIXER_NRDEVICES] = SOUND_DEVICE_LABELS; + char *dup; + int i, j; int devmask = 0; - if(ioctl(volume_ossFd,SOUND_MIXER_READ_DEVMASK,&devmask)<0) { + if (ioctl(volume_ossFd, SOUND_MIXER_READ_DEVMASK, &devmask) < 0) { WARNING("errors getting read_devmask for oss mixer\n"); closeOssMixer(); return -1; } - for(i=0;i<SOUND_MIXER_NRDEVICES;i++) { + for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) { dup = strdup(labels[i]); /* eliminate spaces at the end */ - j = strlen(dup)-1; - while(j>=0 && dup[j]==' ') dup[j--] = '\0'; - if(strcasecmp(dup, param->value)==0) { + j = strlen(dup) - 1; + while (j >= 0 && dup[j] == ' ') + dup[j--] = '\0'; + if (strcasecmp(dup, param->value) == 0) { free(dup); break; } free(dup); } - if(i>=SOUND_MIXER_NRDEVICES) { + if (i >= SOUND_MIXER_NRDEVICES) { WARNING("mixer control \"%s\" not found at line %i\n", - param->value, param->line); + param->value, param->line); closeOssMixer(); return -1; - } - else if(!( ( 1 << i ) & devmask )) { + } else if (!((1 << i) & devmask)) { WARNING("mixer control \"%s\" not usable at line %i\n", - param->value, param->line); + param->value, param->line); closeOssMixer(); return -1; } @@ -144,13 +145,14 @@ static int ensure_oss_open(void) return 0; } -static int getOssVolumeLevel(void) { +static int getOssVolumeLevel(void) +{ int left, right, level; if (ensure_oss_open() < 0) return -1; - if(ioctl(volume_ossFd,MIXER_READ(volume_ossControl),&level) < 0) { + if (ioctl(volume_ossFd, MIXER_READ(volume_ossControl), &level) < 0) { closeOssMixer(); WARNING("unable to read volume\n"); return -1; @@ -159,42 +161,45 @@ static int getOssVolumeLevel(void) { left = level & 0xff; right = (level & 0xff00) >> 8; - if(left!=right) { + if (left != right) { WARNING("volume for left and right is not the same, \"%i\" and " - "\"%i\"\n",left,right); + "\"%i\"\n", left, right); } return left; } -static int changeOssVolumeLevel(FILE * fp, int change, int rel) { +static int changeOssVolumeLevel(FILE * fp, int change, int rel) +{ int current; int new; int level; if (rel) { - if((current = getOssVolumeLevel()) < 0) { + if ((current = getOssVolumeLevel()) < 0) { commandError(fp, ACK_ERROR_SYSTEM, - "problem getting current volume", NULL); + "problem getting current volume", NULL); return -1; } - new = current+change; + new = current + change; } else { if (ensure_oss_open() < 0) return -1; new = change; } - if(new<0) new = 0; - else if(new>100) new = 100; + if (new < 0) + new = 0; + else if (new > 100) + new = 100; level = (new << 8) + new; - if(ioctl(volume_ossFd,MIXER_WRITE(volume_ossControl),&level) < 0) { + if (ioctl(volume_ossFd, MIXER_WRITE(volume_ossControl), &level) < 0) { closeOssMixer(); commandError(fp, ACK_ERROR_SYSTEM, "problems setting volume", - NULL); + NULL); return -1; } @@ -203,39 +208,43 @@ static int changeOssVolumeLevel(FILE * fp, int change, int rel) { #endif #ifdef HAVE_ALSA -static void closeAlsaMixer(void) { +static void closeAlsaMixer(void) +{ snd_mixer_close(volume_alsaMixerHandle); volume_alsaMixerHandle = NULL; } -static int prepAlsaMixer(char * card) { +static int prepAlsaMixer(char *card) +{ int err; - snd_mixer_elem_t * elem; - char * controlName = VOLUME_MIXER_ALSA_CONTROL_DEFAULT; - ConfigParam * param; + snd_mixer_elem_t *elem; + char *controlName = VOLUME_MIXER_ALSA_CONTROL_DEFAULT; + ConfigParam *param; - err = snd_mixer_open(&volume_alsaMixerHandle,0); + err = snd_mixer_open(&volume_alsaMixerHandle, 0); snd_config_update_free_global(); if (err < 0) { - WARNING("problems opening alsa mixer: %s\n",snd_strerror(err)); + WARNING("problems opening alsa mixer: %s\n", snd_strerror(err)); return -1; } - if((err = snd_mixer_attach(volume_alsaMixerHandle,card))<0) { + if ((err = snd_mixer_attach(volume_alsaMixerHandle, card)) < 0) { closeAlsaMixer(); WARNING("problems problems attaching alsa mixer: %s\n", snd_strerror(err)); return -1; } - if((err = snd_mixer_selem_register(volume_alsaMixerHandle,NULL,NULL))<0) { + if ((err = + snd_mixer_selem_register(volume_alsaMixerHandle, NULL, + NULL)) < 0) { closeAlsaMixer(); WARNING("problems snd_mixer_selem_register'ing: %s\n", snd_strerror(err)); return -1; } - if((err = snd_mixer_load(volume_alsaMixerHandle))<0) { + if ((err = snd_mixer_load(volume_alsaMixerHandle)) < 0) { closeAlsaMixer(); WARNING("problems snd_mixer_selem_register'ing: %s\n", snd_strerror(err)); @@ -246,30 +255,29 @@ static int prepAlsaMixer(char * card) { param = getConfigParam(CONF_MIXER_CONTROL); - if(param) { + if (param) { controlName = param->value; } - while(elem) { - if(snd_mixer_elem_get_type(elem)==SND_MIXER_ELEM_SIMPLE) { - if(strcasecmp(controlName, - snd_mixer_selem_get_name(elem))==0) - { + while (elem) { + if (snd_mixer_elem_get_type(elem) == SND_MIXER_ELEM_SIMPLE) { + if (strcasecmp(controlName, + snd_mixer_selem_get_name(elem)) == 0) { break; } } elem = snd_mixer_elem_next(elem); } - if(elem) { + if (elem) { volume_alsaElem = elem; - snd_mixer_selem_get_playback_volume_range( - volume_alsaElem, - &volume_alsaMin,&volume_alsaMax); + snd_mixer_selem_get_playback_volume_range(volume_alsaElem, + &volume_alsaMin, + &volume_alsaMax); return 0; } - WARNING("can't find alsa mixer_control \"%s\"\n",controlName); + WARNING("can't find alsa mixer_control \"%s\"\n", controlName); closeAlsaMixer(); return -1; @@ -280,27 +288,29 @@ static int prep_alsa_get_level(long *level) const char *cmd; int err; - if (!volume_alsaMixerHandle && prepAlsaMixer(volume_mixerDevice)<0) + if (!volume_alsaMixerHandle && prepAlsaMixer(volume_mixerDevice) < 0) return -1; if ((err = snd_mixer_handle_events(volume_alsaMixerHandle)) < 0) { cmd = "handle_events"; goto error; } - if((err = snd_mixer_selem_get_playback_volume(volume_alsaElem, - SND_MIXER_SCHN_FRONT_LEFT, level)) < 0) { + if ((err = snd_mixer_selem_get_playback_volume(volume_alsaElem, + SND_MIXER_SCHN_FRONT_LEFT, + level)) < 0) { cmd = "selem_get_playback_volume"; goto error; } return 0; -error: + error: WARNING("problems getting alsa volume: %s (snd_mixer_%s)\n", - snd_strerror(err), cmd); + snd_strerror(err), cmd); closeAlsaMixer(); return -1; } -static int getAlsaVolumeLevel(void) { +static int getAlsaVolumeLevel(void) +{ int ret; long level; long max = volume_alsaMax; @@ -309,16 +319,17 @@ static int getAlsaVolumeLevel(void) { if (prep_alsa_get_level(&level) < 0) return -1; - ret = ((volume_alsaSet/100.0)*(max-min)+min)+0.5; - if(volume_alsaSet>0 && ret==level) { + ret = ((volume_alsaSet / 100.0) * (max - min) + min) + 0.5; + if (volume_alsaSet > 0 && ret == level) { ret = volume_alsaSet; - } - else ret = (int)(100*(((float)(level-min))/(max-min))+0.5); + } else + ret = (int)(100 * (((float)(level - min)) / (max - min)) + 0.5); return ret; } -static int changeAlsaVolumeLevel(FILE * fp, int change, int rel) { +static int changeAlsaVolumeLevel(FILE * fp, int change, int rel) +{ float vol; long level; long test; @@ -330,29 +341,30 @@ static int changeAlsaVolumeLevel(FILE * fp, int change, int rel) { return -1; if (rel) { - test = ((volume_alsaSet/100.0)*(max-min)+min)+0.5; - if(volume_alsaSet >= 0 && level==test) { + test = ((volume_alsaSet / 100.0) * (max - min) + min) + 0.5; + if (volume_alsaSet >= 0 && level == test) { vol = volume_alsaSet; - } - else vol = 100.0*(((float)(level-min))/(max-min)); - vol+=change; - } - else + } else + vol = 100.0 * (((float)(level - min)) / (max - min)); + vol += change; + } else vol = change; - volume_alsaSet = vol+0.5; - volume_alsaSet = volume_alsaSet>100 ? 100 : - (volume_alsaSet<0 ? 0 : volume_alsaSet); + volume_alsaSet = vol + 0.5; + volume_alsaSet = volume_alsaSet > 100 ? 100 : + (volume_alsaSet < 0 ? 0 : volume_alsaSet); - level = (long)(((vol/100.0)*(max-min)+min)+0.5); - level = level>max?max:level; - level = level<min?min:level; + level = (long)(((vol / 100.0) * (max - min) + min) + 0.5); + level = level > max ? max : level; + level = level < min ? min : level; - if((err = snd_mixer_selem_set_playback_volume_all( - volume_alsaElem,level))<0) { + if ((err = + snd_mixer_selem_set_playback_volume_all(volume_alsaElem, + level)) < 0) { commandError(fp, ACK_ERROR_SYSTEM, "problems setting volume", - NULL); - WARNING("problems setting alsa volume: %s\n",snd_strerror(err)); + NULL); + WARNING("problems setting alsa volume: %s\n", + snd_strerror(err)); closeAlsaMixer(); return -1; } @@ -361,8 +373,9 @@ static int changeAlsaVolumeLevel(FILE * fp, int change, int rel) { } #endif -static int prepMixer(char * device) { - switch(volume_mixerType) { +static int prepMixer(char *device) +{ + switch (volume_mixerType) { #ifdef HAVE_ALSA case VOLUME_MIXER_TYPE_ALSA: return prepAlsaMixer(device); @@ -376,8 +389,9 @@ static int prepMixer(char * device) { return 0; } -void finishVolume(void) { - switch(volume_mixerType) { +void finishVolume(void) +{ + switch (volume_mixerType) { #ifdef HAVE_ALSA case VOLUME_MIXER_TYPE_ALSA: closeAlsaMixer(); @@ -391,54 +405,57 @@ void finishVolume(void) { } } -void initVolume(void) { - ConfigParam * param = getConfigParam(CONF_MIXER_TYPE); +void initVolume(void) +{ + ConfigParam *param = getConfigParam(CONF_MIXER_TYPE); - if(param) { - if(0); + if (param) { + if (0) ; #ifdef HAVE_ALSA - else if(strcmp(param->value, VOLUME_MIXER_ALSA)==0) { + else if (strcmp(param->value, VOLUME_MIXER_ALSA) == 0) { volume_mixerType = VOLUME_MIXER_TYPE_ALSA; volume_mixerDevice = VOLUME_MIXER_ALSA_DEFAULT; } #endif #ifdef HAVE_OSS - else if(strcmp(param->value, VOLUME_MIXER_OSS)==0) { + else if (strcmp(param->value, VOLUME_MIXER_OSS) == 0) { volume_mixerType = VOLUME_MIXER_TYPE_OSS; volume_mixerDevice = VOLUME_MIXER_OSS_DEFAULT; } #endif - else if(strcmp(param->value ,VOLUME_MIXER_SOFTWARE)==0) { + else if (strcmp(param->value, VOLUME_MIXER_SOFTWARE) == 0) { volume_mixerType = VOLUME_MIXER_TYPE_SOFTWARE; volume_mixerDevice = VOLUME_MIXER_SOFTWARE_DEFAULT; - } - else { + } else { ERROR("unknown mixer type %s at line %i\n", - param->value, param->line); + param->value, param->line); exit(EXIT_FAILURE); } } param = getConfigParam(CONF_MIXER_DEVICE); - if(param) { + if (param) { volume_mixerDevice = param->value; } } -void openVolumeDevice(void) { - if(prepMixer(volume_mixerDevice)<0) { +void openVolumeDevice(void) +{ + if (prepMixer(volume_mixerDevice) < 0) { WARNING("using software volume\n"); volume_mixerType = VOLUME_MIXER_TYPE_SOFTWARE; } } -static int getSoftwareVolume(void) { +static int getSoftwareVolume(void) +{ return volume_softwareSet; } -int getVolumeLevel(void) { - switch(volume_mixerType) { +int getVolumeLevel(void) +{ + switch (volume_mixerType) { #ifdef HAVE_ALSA case VOLUME_MIXER_TYPE_ALSA: return getAlsaVolumeLevel(); @@ -454,38 +471,47 @@ int getVolumeLevel(void) { } } -static int changeSoftwareVolume(FILE * fp, int change, int rel) { +static int changeSoftwareVolume(FILE * fp, int change, int rel) +{ int new = change; - if(rel) new+=volume_softwareSet; + if (rel) + new += volume_softwareSet; - if(new>100) new = 100; - else if(new<0) new = 0; + if (new > 100) + new = 100; + else if (new < 0) + new = 0; volume_softwareSet = new; - /*new = 100.0*(exp(new/50.0)-1)/(M_E*M_E-1)+0.5;*/ - if(new>=100) new = 1000; - else if(new<=0) new = 0; - else new = 1000.0*(exp(new/25.0)-1)/(54.5981500331F-1)+0.5; + /*new = 100.0*(exp(new/50.0)-1)/(M_E*M_E-1)+0.5; */ + if (new >= 100) + new = 1000; + else if (new <= 0) + new = 0; + else + new = + 1000.0 * (exp(new / 25.0) - 1) / (54.5981500331F - 1) + 0.5; setPlayerSoftwareVolume(new); return 0; } -int changeVolumeLevel(FILE * fp, int change, int rel) { - switch(volume_mixerType) { +int changeVolumeLevel(FILE * fp, int change, int rel) +{ + switch (volume_mixerType) { #ifdef HAVE_ALSA case VOLUME_MIXER_TYPE_ALSA: - return changeAlsaVolumeLevel(fp,change,rel); + return changeAlsaVolumeLevel(fp, change, rel); #endif #ifdef HAVE_OSS case VOLUME_MIXER_TYPE_OSS: - return changeOssVolumeLevel(fp,change,rel); + return changeOssVolumeLevel(fp, change, rel); #endif case VOLUME_MIXER_TYPE_SOFTWARE: - return changeSoftwareVolume(fp,change,rel); + return changeSoftwareVolume(fp, change, rel); default: return 0; break; |