- Add 'mute' command for testing

- Revamp AUTHORS file

git-svn-id: https://svn.musicpd.org/mpd/trunk@3081 09075e82-0dd4-0310-85a5-a0d7c8717e4f

AUTHORS

@@ -1,10 +1,19 @@
-Developer -> Warren Dukes <shank@mercury.chem.pitt.edu>
-Developer -> tw-nym
-audiofile support and command.c cleanup -> normalperson
-setuid patch -> Nagilum
-'next' and 'previous' patch -> Niklas Hofer
-command.c and signal handling cleanup -> mackstann
-replayGain -> AliasMrJones
+General Development
+ - Warren Dukes <shank@mercury.chem.pitt.edu>
+ - tw-nym
+ - normalperson
+
+'next' and 'previous' command
+ - Niklas Hofer
+
+'mute' command
+ - danb
+
+setuid support
+ - nagilum
+
+replayGain support
+ - AliasMrJones
 
 libid3tag and libmad copyrighted by Robert Leslie, http://www.underbit.com/products/mad
 mp4ff copyrighted by M. Bakker, Ahead Software AG, http://www.nero.com

src/command.c

@@ -64,6 +64,7 @@
 #define COMMAND_PREVIOUS       	"previous"
 #define COMMAND_LISTALL        	"listall"
 #define COMMAND_VOLUME         	"volume"
+#define COMMAND_MUTE           	"mute"
 #define COMMAND_REPEAT         	"repeat"
 #define COMMAND_RANDOM         	"random"
 #define COMMAND_STATS          	"stats"
@@ -90,6 +91,7 @@
 #define COMMAND_NOTCOMMANDS	"notcommands"
 
 #define COMMAND_STATUS_VOLUME           "volume"
+#define COMMAND_STATUS_MUTE             "mute"
 #define COMMAND_STATUS_STATE            "state"
 #define COMMAND_STATUS_REPEAT           "repeat"
 #define COMMAND_STATUS_RANDOM           "random"
@@ -248,6 +250,7 @@ int commandStatus(FILE * fp, unsigned int * permission, int argArrayLength,
         }
 
         myfprintf(fp,"%s: %i\n",COMMAND_STATUS_VOLUME,getVolumeLevel());
+        myfprintf(fp,"%s: %i\n",COMMAND_STATUS_MUTE,getVolumeMuteStatus());
         myfprintf(fp,"%s: %i\n",COMMAND_STATUS_REPEAT,getPlaylistRepeatStatus());
         myfprintf(fp,"%s: %i\n",COMMAND_STATUS_RANDOM,getPlaylistRandomStatus());
         myfprintf(fp,"%s: %li\n",COMMAND_STATUS_PLAYLIST,getPlaylistVersion());
@@ -572,6 +575,20 @@ int handleSetVol(FILE * fp, unsigned int * permission, int argArrayLength,
         return changeVolumeLevel(fp,level,0);
 }
 
+int handleMute(FILE * fp, unsigned int * permission, int argArrayLength, 
+		char ** argArray) 
+{
+	int status;
+	char * test;
+
+	status = strtol(argArray[1],&test,10);
+	if(*test!='\0') {
+		commandError(fp, ACK_ERROR_ARG, "need an integer", NULL);
+		return -1;
+	}
+	return setVolumeMuteStatus(fp,status);
+}
+
 int handleRepeat(FILE * fp, unsigned int * permission, int argArrayLength, 
 		char ** argArray) 
 {
@@ -942,6 +959,7 @@ void initCommands() {
         addCommand(COMMAND_PREVIOUS    ,PERMISSION_CONTROL, 0, 0,handlePrevious,NULL);
         addCommand(COMMAND_LISTALL     ,PERMISSION_READ,    0, 1,handleListAll,NULL);
         addCommand(COMMAND_VOLUME      ,PERMISSION_CONTROL, 1, 1,handleVolume,NULL);
+        addCommand(COMMAND_MUTE        ,PERMISSION_CONTROL, 1, 1,handleMute,NULL);
         addCommand(COMMAND_REPEAT      ,PERMISSION_CONTROL, 1, 1,handleRepeat,NULL);
         addCommand(COMMAND_RANDOM      ,PERMISSION_CONTROL, 1, 1,handleRandom,NULL);
         addCommand(COMMAND_STATS       ,PERMISSION_READ,    0, 0,handleStats,NULL);

src/volume.c

@@ -63,6 +63,9 @@ char * volume_mixerDevice = VOLUME_MIXER_DEVICE_DEFAULT;
 
 int volume_softwareSet = 100;
 
+int volume_fakeMuteStatus = 0;
+int volume_fakeLastUnmutedLevel = -1;
+
 #ifdef HAVE_OSS
 int volume_ossFd;
 int volume_ossControl = SOUND_MIXER_PCM;
@@ -443,6 +446,9 @@ int changeSoftwareVolume(FILE * fp, int change, int rel) {
 }
 
 int changeVolumeLevel(FILE * fp, int change, int rel) {
+	if(getVolumeMuteStatus())
+		setVolumeMuteStatus(fp,0);
+
 	switch(volume_mixerType) {
 #ifdef HAVE_ALSA
 	case VOLUME_MIXER_TYPE_ALSA:
@@ -459,3 +465,111 @@ int changeVolumeLevel(FILE * fp, int change, int rel) {
                 break;
 	}
 }
+
+int getAlsaVolumeMuteStatus() {
+	int err;
+	int status;
+
+	if((err = snd_mixer_selem_get_playback_switch(volume_alsaElem,
+		SND_MIXER_SCHN_FRONT_LEFT,&status))<0) {
+		WARNING("problems getting alsa mute status: %s\n",
+			snd_strerror(err));
+		return -1;
+	}
+
+	return !status;
+}
+
+int setAlsaVolumeMuteStatus(FILE * fp, int status) {
+	int err;
+
+	if(status == getVolumeMuteStatus())
+		return 0;
+
+	if((err = snd_mixer_selem_set_playback_switch_all(volume_alsaElem,
+								!status))<0) {
+		commandError(fp, ACK_ERROR_SYSTEM, "problems muting volume",
+				NULL);
+		WARNING("problems muting alsa volume: %s\n", snd_strerror(err));
+		return -1;
+	}
+
+	return 0;
+}
+
+int getFakeVolumeMuteStatus() {
+	return volume_fakeMuteStatus;
+}
+
+// Fake mute: just drop volume to 0
+int setFakeVolumeMuteStatus(FILE * fp, int status) {
+	// Don't call changeVolumeLevel while volume_fakeMuteStatus is set!
+	if(status && !getVolumeMuteStatus()) {
+		// Mute
+		int ret;
+		volume_fakeLastUnmutedLevel = getVolumeLevel();
+		ret = changeVolumeLevel(fp,0,0);
+		volume_fakeMuteStatus = 1;
+		return ret;
+	}
+	else if(!status && getVolumeMuteStatus()){
+		// Unmute
+		volume_fakeMuteStatus = 0;
+		return changeVolumeLevel(fp,volume_fakeLastUnmutedLevel,0);
+	}
+	else {
+		return 0;
+	}
+}
+
+int getOssVolumeMuteStatus() {
+	return getFakeVolumeMuteStatus();
+}
+
+int setOssVolumeMuteStatus(FILE * fp, int status) {
+	return setFakeVolumeMuteStatus(fp,status);
+}
+
+int getSoftwareVolumeMuteStatus() {
+	return getFakeVolumeMuteStatus();
+}
+
+int setSoftwareVolumeMuteStatus(FILE * fp, int status) {
+	return setFakeVolumeMuteStatus(fp,status);
+}
+
+int getVolumeMuteStatus() {
+	switch(volume_mixerType) {
+#ifdef HAVE_ALSA
+	case VOLUME_MIXER_TYPE_ALSA:
+		return getAlsaVolumeMuteStatus();
+#endif
+#ifdef HAVE_OSS
+	case VOLUME_MIXER_TYPE_OSS:
+		return getOssVolumeMuteStatus();
+#endif
+	case VOLUME_MIXER_TYPE_SOFTWARE:
+		return getSoftwareVolumeMuteStatus();
+	default:
+		return 0;
+		break;
+	}
+}
+
+int setVolumeMuteStatus(FILE * fp, int status) {
+	switch(volume_mixerType) {
+#ifdef HAVE_ALSA
+	case VOLUME_MIXER_TYPE_ALSA:
+		return setAlsaVolumeMuteStatus(fp,status);
+#endif
+#ifdef HAVE_OSS
+	case VOLUME_MIXER_TYPE_OSS:
+		return setOssVolumeMuteStatus(fp,status);
+#endif
+	case VOLUME_MIXER_TYPE_SOFTWARE:
+		return setSoftwareVolumeMuteStatus(fp,status);
+	default:
+		return 0;
+		break;
+	}
+}

src/volume.h

@@ -37,4 +37,8 @@ int getVolumeLevel();
 
 int changeVolumeLevel(FILE * fp, int change, int rel);
 
+int getVolumeMuteStatus();
+
+int setVolumeMuteStatus(FILE * fp, int status);
+
 #endif