mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-11-03 09:01:52 -05:00
Fixes
This commit is contained in:
Abramo Bagnara
parent
fea0c73cdb
commit
7165608b17
3 changed files with 46 additions and 45 deletions
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@ -47,19 +47,20 @@ int snd_mixer_open(snd_mixer_t **mixerp, char *name)
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return 0;
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}
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snd_mixer_elem_t *snd_mixer_elem_add(snd_mixer_t *mixer)
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int snd_mixer_add_elem(snd_mixer_t *mixer, snd_mixer_elem_t *elem)
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{
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snd_mixer_elem_t *elem;
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elem = calloc(1, sizeof(*elem));
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if (!elem)
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return NULL;
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elem->mixer = mixer;
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list_add_tail(&elem->list, &mixer->elems);
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mixer->count++;
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return elem;
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if (mixer->callback) {
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int err = mixer->callback(mixer, SND_CTL_EVENT_ADD, elem);
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if (err < 0)
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return err;
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}
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return 0;
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}
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void snd_mixer_elem_remove(snd_mixer_elem_t *elem)
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void snd_mixer_remove_elem(snd_mixer_elem_t *elem)
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{
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snd_mixer_t *mixer = elem->mixer;
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if (elem->private_free)
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@ -74,7 +75,7 @@ void snd_mixer_elem_remove(snd_mixer_elem_t *elem)
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void snd_mixer_free(snd_mixer_t *mixer)
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{
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while (!list_empty(&mixer->elems))
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snd_mixer_elem_remove(list_entry(mixer->elems.next, snd_mixer_elem_t, list));
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snd_mixer_remove_elem(list_entry(mixer->elems.next, snd_mixer_elem_t, list));
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}
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int snd_mixer_close(snd_mixer_t *mixer)
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@ -77,5 +77,5 @@ struct _snd_mixer_selem {
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long volume[32];
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};
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snd_mixer_elem_t *snd_mixer_elem_add(snd_mixer_t *mixer);
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int snd_mixer_add_elem(snd_mixer_t *mixer, snd_mixer_elem_t *elem);
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void snd_mixer_free(snd_mixer_t *mixer);
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@ -70,7 +70,7 @@ typedef struct _selem {
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/* -- */
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mixer_simple_read_t *read;
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mixer_simple_write_t *write;
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snd_hctl_bag_t helems; /* bag of associated helems */
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snd_hctl_bag_t elems; /* bag of associated elems */
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unsigned long private_value;
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} selem_t;
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@ -173,11 +173,13 @@ static int hctl_elem_event(snd_hctl_elem_t *helem,
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return 0;
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}
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static void hctl_elem_add(snd_hctl_bag_t *bag, snd_hctl_elem_t *helem)
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static void hctl_elem_add(selem_t *s, snd_hctl_elem_t *helem)
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{
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snd_hctl_bag_add(bag, helem);
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int err;
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err = snd_hctl_bag_add(&s->elems, helem);
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assert(err >= 0);
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snd_hctl_elem_set_callback(helem, hctl_elem_event);
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snd_hctl_elem_set_callback_private(helem, bag);
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snd_hctl_elem_set_callback_private(helem, &s->elems);
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}
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static const char *get_full_name(const char *sname)
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@ -483,28 +485,27 @@ static void selem_free(snd_mixer_elem_t *elem)
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selem_t *s;
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assert(elem->type == SND_MIXER_ELEM_SIMPLE);
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s = elem->private;
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snd_hctl_bag_destroy(&s->helems);
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snd_hctl_bag_destroy(&s->elems);
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free(s);
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}
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static selem_t *build_elem_scontrol(snd_mixer_t *mixer, const char *sname, int index)
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static int build_elem_scontrol(snd_mixer_t *mixer, selem_t *s,
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const char *sname, int index)
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{
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snd_mixer_elem_t *elem;
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selem_t *s;
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s = calloc(1, sizeof(*s));
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strcpy(s->id.name, sname);
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s->id.index = index;
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s->read = elem_read;
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s->write = elem_write;
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elem = snd_mixer_elem_add(mixer);
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if (!elem) {
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free(s);
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return NULL;
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}
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elem = calloc(1, sizeof(*elem));
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if (!elem)
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return -ENOMEM;
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s->elems.private = elem;
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elem->type = SND_MIXER_ELEM_SIMPLE;
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elem->private = s;
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elem->private_free = selem_free;
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return s;
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snd_mixer_add_elem(mixer, elem);
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return 0;
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}
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static int build_elem(snd_mixer_t *mixer, const char *sname)
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@ -518,7 +519,6 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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snd_ctl_elem_info_t groute_info, proute_info, croute_info;
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snd_ctl_elem_info_t csource_info;
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long min, max;
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snd_hctl_bag_t bag;
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selem_t *simple;
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snd_hctl_elem_t *helem;
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const char *sname1;
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@ -533,11 +533,11 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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memset(&proute_info, 0, sizeof(proute_info));
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memset(&croute_info, 0, sizeof(croute_info));
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while (1) {
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simple = calloc(1, sizeof(*simple));
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index++;
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voices = 0;
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present = caps = capture_item = 0;
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min = max = 0;
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memset(&bag, 0, sizeof(bag));
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if ((helem = test_mixer_id(mixer, sname, index)) != NULL) {
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if ((err = get_mixer_info(mixer, sname, index, &global_info)) < 0)
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return err;
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@ -553,7 +553,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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if (max < global_info.value.integer.max)
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max = global_info.value.integer.max;
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}
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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}
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}
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sprintf(str, "%s Switch", sname);
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@ -565,7 +565,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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voices = gswitch_info.count;
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caps |= SND_MIXER_SCTCAP_MUTE;
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present |= MIXER_PRESENT_GLOBAL_SWITCH;
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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}
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}
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sprintf(str, "%s Route", sname);
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@ -577,7 +577,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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voices = 2;
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caps |= SND_MIXER_SCTCAP_MUTE;
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present |= MIXER_PRESENT_GLOBAL_ROUTE;
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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}
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}
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sprintf(str, "%s Volume", sname);
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@ -593,7 +593,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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max = gvolume_info.value.integer.max;
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caps |= SND_MIXER_SCTCAP_VOLUME;
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present |= MIXER_PRESENT_GLOBAL_VOLUME;
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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}
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}
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sprintf(str, "%s Playback Switch", sname);
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@ -605,7 +605,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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voices = pswitch_info.count;
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caps |= SND_MIXER_SCTCAP_MUTE;
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present |= MIXER_PRESENT_PLAYBACK_SWITCH;
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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}
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}
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sprintf(str, "%s Playback Route", sname);
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@ -617,7 +617,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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voices = 2;
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caps |= SND_MIXER_SCTCAP_MUTE;
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present |= MIXER_PRESENT_PLAYBACK_ROUTE;
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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}
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}
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sprintf(str, "%s Capture Switch", sname);
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@ -629,7 +629,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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voices = cswitch_info.count;
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caps |= SND_MIXER_SCTCAP_CAPTURE;
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present |= MIXER_PRESENT_CAPTURE_SWITCH;
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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}
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}
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sprintf(str, "%s Capture Route", sname);
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@ -641,7 +641,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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voices = 2;
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caps |= SND_MIXER_SCTCAP_CAPTURE;
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present |= MIXER_PRESENT_CAPTURE_ROUTE;
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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}
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}
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sprintf(str, "%s Playback Volume", sname);
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@ -657,7 +657,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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max = pvolume_info.value.integer.max;
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caps |= SND_MIXER_SCTCAP_VOLUME;
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present |= MIXER_PRESENT_PLAYBACK_VOLUME;
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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}
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}
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sprintf(str, "%s Capture Volume", sname);
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@ -673,7 +673,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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max = pvolume_info.value.integer.max;
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caps |= SND_MIXER_SCTCAP_VOLUME;
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present |= MIXER_PRESENT_CAPTURE_VOLUME;
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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}
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}
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if (index == 0 && (helem = test_mixer_id(mixer, "Capture Source", 0)) != NULL) {
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@ -691,7 +691,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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voices = csource_info.count;
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caps |= SND_MIXER_SCTCAP_CAPTURE;
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present |= MIXER_PRESENT_CAPTURE_SOURCE;
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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} else for (capture_item = 1; capture_item < csource_info.value.enumerated.items; capture_item++) {
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csource_info.value.enumerated.item = capture_item;
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if ((err = snd_ctl_elem_info(mixer->ctl, &csource_info)) < 0)
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@ -701,7 +701,7 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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voices = csource_info.count;
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caps |= SND_MIXER_SCTCAP_CAPTURE;
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present |= MIXER_PRESENT_CAPTURE_SOURCE;
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hctl_elem_add(&bag, helem);
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hctl_elem_add(simple, helem);
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break;
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}
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}
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@ -751,14 +751,11 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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caps &= ~SND_MIXER_SCTCAP_JOIN_VOLUME;
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}
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}
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if (present == 0)
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if (present == 0) {
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free(simple);
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break;
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sname1 = get_short_name(sname);
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simple = build_elem_scontrol(mixer, sname1, index);
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if (simple == NULL) {
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snd_hctl_bag_destroy(&bag);
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return -ENOMEM;
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}
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sname1 = get_short_name(sname);
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simple->present = present;
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simple->global_values = global_info.count;
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simple->gswitch_values = gswitch_info.count;
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@ -776,8 +773,11 @@ static int build_elem(snd_mixer_t *mixer, const char *sname)
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simple->voices = voices;
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simple->min = min;
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simple->max = max;
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bag.private = simple;
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simple->helems = bag;
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if (build_elem_scontrol(mixer, simple, sname1, index) < 0) {
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snd_hctl_bag_destroy(&simple->elems);
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free(simple);
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return -ENOMEM;
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}
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// fprintf(stderr, "sname = '%s', index = %i, present = 0x%x, voices = %i\n", sname, index, present, voices);
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};
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return 0;
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