Added range specification to simple mixer. Fixes to alsamixer. Added mixer support to alsa-oss

src/mixer/simple.c

@@ -75,6 +75,7 @@ typedef struct _selem {
 	unsigned int capture_group;
 	unsigned int caps;
 	struct {
+		unsigned int range: 1;	/* Forced range */
 		long min, max;
 		unsigned int channels;
 		long vol[32];
@@ -593,11 +594,15 @@ static int simple_update(snd_mixer_elem_t *melem)
 	}
 	simple->caps = caps;
 	simple->str[PLAY].channels = pchannels;
-	simple->str[PLAY].min = pmin;
-	simple->str[PLAY].max = pmax;
+	if (!simple->str[PLAY].range) {
+		simple->str[PLAY].min = pmin;
+		simple->str[PLAY].max = pmax;
+	}
 	simple->str[CAPT].channels = cchannels;
-	simple->str[CAPT].min = cmin;
-	simple->str[CAPT].max = cmax;
+	if (!simple->str[CAPT].range) {
+		simple->str[CAPT].min = cmin;
+		simple->str[CAPT].max = cmax;
+	}
 	return 0;
 }	   
 
@@ -900,6 +905,24 @@ void snd_mixer_selem_get_id(snd_mixer_elem_t *elem,
 	*id = s->id;
 }
 
+const char *snd_mixer_selem_get_name(snd_mixer_elem_t *elem)
+{
+	selem_t *s;
+	assert(elem);
+	assert(elem->type == SND_MIXER_ELEM_SIMPLE);
+	s = elem->private_data;
+	return s->id.name;
+}
+
+unsigned int snd_mixer_selem_get_index(snd_mixer_elem_t *elem)
+{
+	selem_t *s;
+	assert(elem);
+	assert(elem->type == SND_MIXER_ELEM_SIMPLE);
+	s = elem->private_data;
+	return s->id.index;
+}
+
 int snd_mixer_selem_is_playback_mono(snd_mixer_elem_t *elem)
 {
 	selem_t *s;
@@ -1367,3 +1390,29 @@ const char *snd_mixer_selem_channel_name(snd_mixer_selem_channel_id_t channel)
 	return p;
 }
 
+void snd_mixer_selem_set_playback_volume_range(snd_mixer_elem_t *elem, 
+					       long min, long max)
+{
+	selem_t *s;
+	assert(elem);
+	assert(elem->type == SND_MIXER_ELEM_SIMPLE);
+	s = elem->private_data;
+	assert(min != max);
+	s->str[PLAY].range = 1;
+	s->str[PLAY].min = min;
+	s->str[PLAY].max = max;
+}
+
+void snd_mixer_selem_set_capture_volume_range(snd_mixer_elem_t *elem, 
+					      long min, long max)
+{
+	selem_t *s;
+	assert(elem);
+	assert(elem->type == SND_MIXER_ELEM_SIMPLE);
+	s = elem->private_data;
+	assert(min != max);
+	s->str[CAPT].range = 1;
+	s->str[CAPT].min = min;
+	s->str[CAPT].max = max;
+}
+

src/pcm/pcm_share.c

@@ -338,7 +338,7 @@ static snd_pcm_uframes_t _snd_pcm_share_slave_missing(snd_pcm_share_slave_t *sla
 	return missing;
 }
 
-void *snd_pcm_share_slave_thread(void *data)
+void *snd_pcm_share_thread(void *data)
 {
 	snd_pcm_share_slave_t *slave = data;
 	snd_pcm_t *spcm = slave->pcm;
@@ -1303,7 +1303,7 @@ int snd_pcm_share_open(snd_pcm_t **pcmp, const char *name, const char *sname,
 		pthread_cond_init(&slave->poll_cond, NULL);
 		list_add_tail(&slave->list, &slaves);
 		Pthread_mutex_lock(&slave->mutex);
-		err = pthread_create(&slave->thread, NULL, snd_pcm_share_slave_thread, slave);
+		err = pthread_create(&slave->thread, NULL, snd_pcm_share_thread, slave);
 		assert(err == 0);
 		Pthread_mutex_unlock(&slaves_mutex);
 	} else {