bool AlsaMixer::GetVolumePercent( const char* channel, int* value )
{
LOG( Logger::LOG_DEBUG, "AlsaMixer::GetVolume( %s )", channel);
bool success = false;
snd_mixer_elem_t *elem;
snd_mixer_selem_id_t *sid;
snd_mixer_selem_id_alloca(&sid);
snd_mixer_selem_id_set_index( sid, 0);
snd_mixer_selem_id_set_name( sid, channel);
elem = snd_mixer_find_selem(_handle, sid);
if (!elem) {
LOG( Logger::LOG_ERROR, "Unable to find simple control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
goto end;
}
if( snd_mixer_selem_has_playback_volume(elem) )
{
long min, max;
if( snd_mixer_selem_get_playback_volume_range(elem, &min, &max) < 0 )
{
LOG( Logger::LOG_ERROR, "Unable to get playback volume range for control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
goto end;
}
long volume;
for (int chn = 0; chn <= SND_MIXER_SCHN_LAST; chn++) {
if (snd_mixer_selem_get_playback_volume(elem, (snd_mixer_selem_channel_id_t)chn, &volume ) >= 0)
{
*value = (volume - min) * 100 / ( max - min );
success = true;
break;
}
}
}else if( snd_mixer_selem_has_capture_volume(elem) )
{
long min, max;
if( snd_mixer_selem_get_capture_volume_range(elem, &min, &max) < 0 )
{
LOG( Logger::LOG_ERROR, "Unable to get capture volume range for control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
goto end;
}
long volume;
for (int chn = 0; chn <= SND_MIXER_SCHN_LAST; chn++) {
if (snd_mixer_selem_get_capture_volume(elem, (snd_mixer_selem_channel_id_t)chn, &volume ) >= 0)
{
*value = (volume - min) * 100 / ( max - min );
success = true;
break;
}
}
}
if( !success )
{
LOG( Logger::LOG_ERROR, "Error getting control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
}
end:
return success;
}
static snd_mixer_elem_t *find_mixer_elem_by_name(const char *goal_name)
{
snd_mixer_elem_t *elem;
snd_mixer_selem_id_t *sid = NULL;
snd_mixer_selem_id_malloc(&sid);
for (elem = snd_mixer_first_elem(alsa_mixer_handle); elem;
elem = snd_mixer_elem_next(elem)) {
const char *name;
snd_mixer_selem_get_id(elem, sid);
name = snd_mixer_selem_id_get_name(sid);
d_print("name = %s\n", name);
d_print("has playback volume = %d\n", snd_mixer_selem_has_playback_volume(elem));
d_print("has playback switch = %d\n", snd_mixer_selem_has_playback_switch(elem));
if (strcasecmp(name, goal_name) == 0) {
if (!snd_mixer_selem_has_playback_volume(elem)) {
d_print("mixer element `%s' does not have playback volume\n", name);
elem = NULL;
}
break;
}
}
snd_mixer_selem_id_free(sid);
return elem;
}
static int alsa_mixer_open(int *volume_max)
{
snd_mixer_selem_id_t *sid;
snd_mixer_elem_t *elem;
int count;
int rc;
snd_mixer_selem_id_alloca(&sid);
rc = snd_mixer_open(&alsa_mixer_handle, 0);
if (rc < 0)
goto error;
rc = snd_mixer_attach(alsa_mixer_handle, alsa_mixer_device);
if (rc < 0)
goto error;
rc = snd_mixer_selem_register(alsa_mixer_handle, NULL, NULL);
if (rc < 0)
goto error;
rc = snd_mixer_load(alsa_mixer_handle);
if (rc < 0)
goto error;
count = snd_mixer_get_count(alsa_mixer_handle);
if (count == 0) {
d_print("error: mixer does not have elements\n");
return -2;
}
elem = snd_mixer_first_elem(alsa_mixer_handle);
while (elem) {
const char *name;
int has_vol, has_switch;
snd_mixer_selem_get_id(elem, sid);
name = snd_mixer_selem_id_get_name(sid);
d_print("name = %s\n", name);
d_print("has playback volume = %d\n", snd_mixer_selem_has_playback_volume(elem));
d_print("has playback switch = %d\n", snd_mixer_selem_has_playback_switch(elem));
if (strcasecmp(name, alsa_mixer_element)) {
elem = snd_mixer_elem_next(elem);
continue;
}
has_vol = snd_mixer_selem_has_playback_volume(elem);
if (!has_vol) {
d_print("mixer element `%s' does not have playback volume\n", name);
return -2;
}
snd_mixer_selem_get_playback_volume_range(elem,
&mixer_vol_min, &mixer_vol_max);
has_switch = snd_mixer_selem_has_playback_switch(elem);
/* FIXME: get number of channels */
mixer_elem = elem;
*volume_max = mixer_vol_max - mixer_vol_min;
return 0;
}
d_print("error: mixer element `%s' not found\n", alsa_mixer_element);
return -2;
error:
d_print("error: %s\n", snd_strerror(rc));
return -1;
}
bool AlsaMixer::GetChannelSwitch( const char* channel, bool* on )
{
bool success = false;
snd_mixer_elem_t *elem;
snd_mixer_selem_id_t *sid;
snd_mixer_selem_id_alloca(&sid);
snd_mixer_selem_id_set_index( sid, 0);
snd_mixer_selem_id_set_name( sid, channel);
elem = snd_mixer_find_selem(_handle, sid);
if (!elem) {
LOG( Logger::LOG_ERROR, "Unable to find simple control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
goto end;
}
if( snd_mixer_selem_has_playback_switch(elem) )
{
for (int chn = 0; chn <= SND_MIXER_SCHN_LAST; chn++) {
int value;
if (snd_mixer_selem_get_playback_switch(elem, (snd_mixer_selem_channel_id_t)chn, &value) >= 0)
{
*on = value != 0;
success = true;
break;
}
}
}else if( snd_mixer_selem_has_capture_switch(elem) )
{
for (int chn = 0; chn <= SND_MIXER_SCHN_LAST; chn++) {
int value;
if (snd_mixer_selem_get_capture_switch(elem, (snd_mixer_selem_channel_id_t)chn, &value ) >= 0)
{
*on = value != 0;
success = true;
break;
}
}
}
if( !success )
{
LOG( Logger::LOG_ERROR, "Error getting control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
}
end:
return success;
}
static int on_mixer_event(snd_mixer_t *handle, unsigned int mask, snd_mixer_elem_t *elem) {
snd_mixer_selem_id_t *sid;
if(mask & SND_CTL_EVENT_MASK_ADD) {
snd_mixer_selem_id_alloca(&sid);
snd_mixer_selem_get_id(elem, sid);
DEBUG("set callback for mixer control = %s\n", snd_mixer_selem_id_get_name(sid));
snd_mixer_elem_set_callback(elem, on_mixer_elem_event);
}
return 0;
}
static int on_mixer_elem_event(snd_mixer_elem_t *elem, unsigned int mask) {
snd_mixer_selem_id_t *sid;
void *data = NULL;
if(elem)
data = snd_mixer_elem_get_callback_private(elem);
if(data) {
long min, max, Rvol, Lvol;
snd_mixer_selem_id_alloca(&sid);
snd_mixer_selem_get_id(elem, sid);
DEBUG("mixer elem control = %s, mask = %x, data = %x\n", snd_mixer_selem_id_get_name(sid), mask, data);
if(mask & SND_CTL_EVENT_MASK_VALUE) {
char path[1024] = {0};
alsa_mixer_t *mixer = (alsa_mixer_t *)g_object_get_data(G_OBJECT(data), "mixer-obj");
GtkWidget *img = (GtkWidget *)g_object_get_data(G_OBJECT(data), "image-obj");
DEBUG("mixer = %x, img = %x\n", mixer, img);
if(snd_mixer_selem_has_playback_volume(elem)) {
if(mixer->pcm_muted != alsa_mixer_is_muted(elem, NULL)) {
mixer->pcm_muted = !mixer->pcm_muted;
g_snprintf(path, 1024, DVM_CONFIG_PATH"/%s", g_playback_iconset[mixer->pcm_muted ? 3: 0]);
DEBUG("playback switch detected, image path = %s\n", path);
gtk_image_set_from_file(GTK_IMAGE(img), path);
}
snd_mixer_selem_get_playback_volume(elem, 0, &Rvol);
snd_mixer_selem_get_playback_volume(elem, 1, &Lvol);
snd_mixer_selem_get_playback_volume_range(elem, &min, &max);
DEBUG("new val = %d, %d, min = %d, max = %d\n", Rvol, Lvol, min, max);
} else if(snd_mixer_selem_has_capture_volume(elem)) {
if(mixer->mic_muted != alsa_mixer_is_muted(elem, NULL)) {
mixer->mic_muted = !mixer->mic_muted;
g_snprintf(path, 1024, DVM_CONFIG_PATH"/%s", g_capture_iconset[mixer->mic_muted ? 3: 0]);
DEBUG("capture switch detected, image path = %s\n", path);
gtk_image_set_from_file(GTK_IMAGE(img), path);
}
snd_mixer_selem_get_capture_volume_range(elem, &min, &max);
snd_mixer_selem_get_capture_volume(elem, 0, &Rvol);
snd_mixer_selem_get_capture_volume(elem, 1, &Lvol);
DEBUG("new val = %d, %d, min = %d, max = %d\n", Rvol, Lvol, min, max);
}
g_mixer_ui_updated = TRUE;
gtk_adjustment_set_value(GTK_ADJUSTMENT(data), ((gdouble)(Rvol+Lvol)*50)/(max-min));
}
}
return 0;
}
/*
* The purpose of this function is to let the user to select
* the input where he plugged his signals.
* Now if user select "default", as device, we have to select the input
* on the mixer of the card used by "default".
* What is the card used by device "default" ?
*/
static void
as_setup_input_combo (GtkWidget *combo, SoundParams *sparams)
{
snd_mixer_t *handle;
int i ;
snd_mixer_selem_id_t *sid;
snd_mixer_elem_t *elem;
snd_mixer_selem_id_alloca(&sid);
char *devname;
char name[32];
devname = sparams->device_name;
if ( *sparams->indexstr == '-' ) {
sprintf(name, "hw:%d", sparams->firstcard);
devname = name;
}
handle = sound_open_mixer(devname);
if ( handle == NULL ){
return ;
}
for (elem = snd_mixer_first_elem(handle); elem; elem = snd_mixer_elem_next(elem)) {
snd_mixer_selem_get_id(elem, sid);
if (! snd_mixer_selem_is_active(elem)) {
continue;
}
const char *control_name = snd_mixer_selem_id_get_name(sid);
// printf("Simple mixer control '%s',%i\n", control_name, snd_mixer_selem_id_get_index(sid));
if (snd_mixer_selem_is_enum_capture(elem)) {
int items;
char itemname[40];
app_free(sparams->control_name);
sparams->control_name = app_strdup(control_name);
items = snd_mixer_selem_get_enum_items(elem);
// printf(" Items:");
for (i = 0; i < items; i++) {
snd_mixer_selem_get_enum_item_name(elem, i, sizeof(itemname) - 1, itemname);
// printf(" '%s'", itemname);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), itemname );
if ( i == sparams->input ) {
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), i);
}
}
// printf("\n");
}
}
snd_mixer_close(handle);
return ;
}
void list_mixers(const char *output_device) {
int err;
snd_mixer_t *handle;
snd_mixer_selem_id_t *sid;
snd_mixer_elem_t *elem;
char *ctl = ctl4device(output_device);
snd_mixer_selem_id_alloca(&sid);
LOG_INFO("listing mixers for: %s", output_device);
if ((err = snd_mixer_open(&handle, 0)) < 0) {
LOG_ERROR("open error: %s", snd_strerror(err));
return;
}
if ((err = snd_mixer_attach(handle, ctl)) < 0) {
LOG_ERROR("attach error: %s", snd_strerror(err));
snd_mixer_close(handle);
free(ctl);
return;
}
free(ctl);
if ((err = snd_mixer_selem_register(handle, NULL, NULL)) < 0) {
LOG_ERROR("register error: %s", snd_strerror(err));
snd_mixer_close(handle);
return;
}
if ((err = snd_mixer_load(handle)) < 0) {
LOG_ERROR("load error: %s", snd_strerror(err));
snd_mixer_close(handle);
return;
}
printf("Volume controls for %s\n", output_device);
for (elem = snd_mixer_first_elem(handle); elem; elem = snd_mixer_elem_next(elem)) {
if (snd_mixer_selem_has_playback_volume(elem)) {
snd_mixer_selem_get_id(elem, sid);
printf(" %s", snd_mixer_selem_id_get_name(sid));
if (snd_mixer_selem_id_get_index(sid)) {
printf(",%d", snd_mixer_selem_id_get_index(sid));
}
printf("\n");
}
}
printf("\n");
snd_mixer_close(handle);
}
void SoundPref::getMixerDevices(int mode)
{
snd_mixer_t *mixer;
QComboBox *cmb;
if (mode == modePlayback)
cmb = ui.playbackMixerDeviceCmb;
else {
// TODO : capture mixer devices
}
cmb->clear();
int err;
if ((err = snd->getMixer(&mixer, mixerCard)) < 0) {
return;
}
snd_mixer_elem_t *elem;
snd_mixer_selem_id_t *sid;
snd_mixer_selem_id_alloca(&sid);
int indx = 0;
int current = -1;
cmb->addItem("");
for (elem = snd_mixer_first_elem(mixer); elem; elem = snd_mixer_elem_next(elem)) {
snd_mixer_selem_get_id(elem, sid);
if (!snd_mixer_selem_is_active(elem))
continue;
QString device = snd_mixer_selem_id_get_name(sid);
if (mode == modePlayback) {
if (snd_mixer_selem_has_playback_volume(elem))
cmb->addItem(device);
} else if (mode == modeCapture) {
// TODO:
} else
continue;
if (device == mixerDevice) {
current = indx;
}
indx ++;
}
if (current >= 0)
cmb->setCurrentIndex(current+1);
snd_mixer_close(mixer);
}
static PxVolume get_volume(PxDev *dev, const char *name, int playback)
{
const char *sname;
int i;
if (!dev->handle) {
return 0.0;
}
for (i = 0; i < dev->numselems; i++) {
sname = snd_mixer_selem_id_get_name(dev->selems[i].sid);
if (strcmp(sname, name) == 0) {
return get_volume_indexed(dev, i, playback);
}
}
return 0.0;
}
MixerElem *lamixer_volelem_new(snd_mixer_elem_t *elem)
{
MixerElem *mixer_elem;
guint voltype=0, elemidx=0, mono;
long minrange=0,maxrange=0,rangevalue_left=0,rangevalue_right=0;
const char* selem_name = NULL;
char elem_name[64];
mixer_elem = g_malloc(sizeof(MixerElem));
mixer_elem->elem = elem;
mixer_elem->playback = NULL;
mixer_elem->capture = NULL;
mixer_elem->pswitch = NULL;
mixer_elem->cswitch = NULL;
mixer_elem->penum = NULL;
mixer_elem->cenum = NULL;
elemidx = snd_mixer_selem_get_index(elem);
selem_name = snd_mixer_selem_id_get_name(sid);
strcpy(elem_name, selem_name);
if(elemidx > 0) {
sprintf(elem_name,"%s %i",elem_name, elemidx);
}
if (!snd_mixer_selem_is_enumerated(elem)) {
if (snd_mixer_selem_has_playback_volume(elem)) {
voltype = 1;
snd_mixer_selem_get_playback_volume_range (elem, &minrange, &maxrange);
mono = snd_mixer_selem_is_playback_mono(elem);
snd_mixer_selem_get_playback_volume (elem, SND_MIXER_SCHN_FRONT_LEFT, &rangevalue_left);
if(!mono)
snd_mixer_selem_get_playback_volume (elem, SND_MIXER_SCHN_FRONT_RIGHT, &rangevalue_right);
mixer_elem->playback = lamixer_volbox_new(elem_name,mono, \
(snd_mixer_selem_has_playback_switch(elem) || snd_mixer_selem_has_playback_switch_joined(elem)), minrange, maxrange, elem, voltype);
}
else if (snd_mixer_selem_has_playback_switch(elem)) {
voltype = 1;
mixer_elem->pswitch = lamixer_switchbox_add(elem_name, elem, voltype);
}
if (snd_mixer_selem_has_capture_volume(elem)) {
voltype = 2;
snd_mixer_selem_get_capture_volume_range (elem, &minrange, &maxrange);
mono = snd_mixer_selem_is_capture_mono(elem);
snd_mixer_selem_get_capture_volume (elem, SND_MIXER_SCHN_FRONT_LEFT, &rangevalue_left);
if(!mono)
snd_mixer_selem_get_capture_volume (elem, SND_MIXER_SCHN_FRONT_RIGHT, &rangevalue_right);
mixer_elem->capture = lamixer_volbox_new(elem_name,mono, \
(snd_mixer_selem_has_capture_switch(elem) || snd_mixer_selem_has_capture_switch_joined(elem)), minrange, maxrange, elem, voltype);
}
else if (snd_mixer_selem_has_capture_switch(elem)) {
voltype = 2;
mixer_elem->cswitch = lamixer_switchbox_add(elem_name, elem, voltype);
}
}
else {
if (snd_mixer_selem_is_enum_playback(elem)) {
voltype = 1;
mixer_elem->penum = lamixer_enumbox_add(elem_name, elem, voltype);
}
else if (snd_mixer_selem_is_enum_capture(elem)) {
voltype = 2;
mixer_elem->cenum = lamixer_enumbox_add(elem_name, elem, voltype);
}
}
return mixer_elem;
}
static int control(struct ao *ao, enum aocontrol cmd, void *arg)
{
struct priv *p = ao->priv;
snd_mixer_t *handle = NULL;
switch (cmd) {
case AOCONTROL_GET_MUTE:
case AOCONTROL_SET_MUTE:
case AOCONTROL_GET_VOLUME:
case AOCONTROL_SET_VOLUME:
{
int err;
snd_mixer_elem_t *elem;
snd_mixer_selem_id_t *sid;
long pmin, pmax;
long get_vol, set_vol;
float f_multi;
if (!af_fmt_is_pcm(ao->format))
return CONTROL_FALSE;
snd_mixer_selem_id_alloca(&sid);
snd_mixer_selem_id_set_index(sid, p->cfg_mixer_index);
snd_mixer_selem_id_set_name(sid, p->cfg_mixer_name);
err = snd_mixer_open(&handle, 0);
CHECK_ALSA_ERROR("Mixer open error");
err = snd_mixer_attach(handle, p->cfg_mixer_device);
CHECK_ALSA_ERROR("Mixer attach error");
err = snd_mixer_selem_register(handle, NULL, NULL);
CHECK_ALSA_ERROR("Mixer register error");
err = snd_mixer_load(handle);
CHECK_ALSA_ERROR("Mixer load error");
elem = snd_mixer_find_selem(handle, sid);
if (!elem) {
MP_VERBOSE(ao, "Unable to find simple control '%s',%i.\n",
snd_mixer_selem_id_get_name(sid),
snd_mixer_selem_id_get_index(sid));
goto alsa_error;
}
snd_mixer_selem_get_playback_volume_range(elem, &pmin, &pmax);
f_multi = (100 / (float)(pmax - pmin));
switch (cmd) {
case AOCONTROL_SET_VOLUME: {
ao_control_vol_t *vol = arg;
set_vol = vol->left / f_multi + pmin + 0.5;
err = snd_mixer_selem_set_playback_volume
(elem, SND_MIXER_SCHN_FRONT_LEFT, set_vol);
CHECK_ALSA_ERROR("Error setting left channel");
MP_DBG(ao, "left=%li, ", set_vol);
set_vol = vol->right / f_multi + pmin + 0.5;
err = snd_mixer_selem_set_playback_volume
(elem, SND_MIXER_SCHN_FRONT_RIGHT, set_vol);
CHECK_ALSA_ERROR("Error setting right channel");
MP_DBG(ao, "right=%li, pmin=%li, pmax=%li, mult=%f\n",
set_vol, pmin, pmax, f_multi);
break;
}
case AOCONTROL_GET_VOLUME: {
ao_control_vol_t *vol = arg;
snd_mixer_selem_get_playback_volume
(elem, SND_MIXER_SCHN_FRONT_LEFT, &get_vol);
vol->left = (get_vol - pmin) * f_multi;
snd_mixer_selem_get_playback_volume
(elem, SND_MIXER_SCHN_FRONT_RIGHT, &get_vol);
vol->right = (get_vol - pmin) * f_multi;
MP_DBG(ao, "left=%f, right=%f\n", vol->left, vol->right);
break;
}
case AOCONTROL_SET_MUTE: {
bool *mute = arg;
if (!snd_mixer_selem_has_playback_switch(elem))
goto alsa_error;
if (!snd_mixer_selem_has_playback_switch_joined(elem)) {
snd_mixer_selem_set_playback_switch
(elem, SND_MIXER_SCHN_FRONT_RIGHT, !*mute);
}
snd_mixer_selem_set_playback_switch
(elem, SND_MIXER_SCHN_FRONT_LEFT, !*mute);
break;
}
case AOCONTROL_GET_MUTE: {
bool *mute = arg;
if (!snd_mixer_selem_has_playback_switch(elem))
goto alsa_error;
int tmp = 1;
snd_mixer_selem_get_playback_switch
(elem, SND_MIXER_SCHN_FRONT_LEFT, &tmp);
*mute = !tmp;
if (!snd_mixer_selem_has_playback_switch_joined(elem)) {
snd_mixer_selem_get_playback_switch
(elem, SND_MIXER_SCHN_FRONT_RIGHT, &tmp);
*mute &= !tmp;
}
break;
}
}
snd_mixer_close(handle);
return CONTROL_OK;
}
} //end switch
return CONTROL_UNKNOWN;
alsa_error:
if (handle)
snd_mixer_close(handle);
return CONTROL_ERROR;
}
static int open_mixer(PxDev *dev, int card, int playback)
{
snd_mixer_elem_t *elem;
char name[256];
int err;
int i;
sprintf(name, "hw:%d", card);
dev->card = card;
dev->handle = NULL;
do {
err = snd_mixer_open(&dev->handle, 0);
if (err < 0) {
break;
}
err = snd_mixer_attach(dev->handle, name);
if (err < 0) {
break;
}
err = snd_mixer_selem_register(dev->handle, NULL, NULL);
if (err < 0) {
break;
}
err = snd_mixer_load(dev->handle);
if (err < 0) {
break;
}
for (elem = snd_mixer_first_elem(dev->handle);
elem != NULL;
elem = snd_mixer_elem_next(elem))
{
if (!playback) {
if (!snd_mixer_selem_has_capture_volume(elem) &&
!snd_mixer_selem_has_capture_switch(elem) &&
!snd_mixer_selem_has_common_volume(elem)) {
continue;
}
}
else {
if (!snd_mixer_selem_has_playback_volume(elem) &&
!snd_mixer_selem_has_playback_switch(elem) &&
!snd_mixer_selem_has_common_volume(elem)) {
continue;
}
}
dev->numselems++;
}
dev->selems = calloc(dev->numselems, sizeof(PxSelem));
if (dev->selems == NULL) {
break;
}
i = 0;
for (elem = snd_mixer_first_elem(dev->handle);
elem != NULL;
elem = snd_mixer_elem_next(elem))
{
if (!playback) {
if (!snd_mixer_selem_has_capture_volume(elem) &&
!snd_mixer_selem_has_capture_switch(elem) &&
!snd_mixer_selem_has_common_volume(elem)) {
continue;
}
}
else {
if (!snd_mixer_selem_has_playback_volume(elem) &&
!snd_mixer_selem_has_playback_switch(elem) &&
!snd_mixer_selem_has_common_volume(elem)) {
continue;
}
}
if (snd_mixer_selem_id_malloc(&dev->selems[i].sid) < 0) {
break;
}
snd_mixer_selem_get_id(elem, dev->selems[i].sid);
dev->selems[i].elem = elem;
snprintf(name,
sizeof(name),
"%s:%d",
snd_mixer_selem_id_get_name(dev->selems[i].sid),
snd_mixer_selem_id_get_index(dev->selems[i].sid));
dev->selems[i].name = strdup(name);
if (!dev->selems[i].name) {
break;
}
i++;
}
if (i == dev->numselems) {
return TRUE;
}
} while (FALSE);
if (dev->selems) {
for (i = 0; i < dev->numselems; i++) {
if (dev->selems[i].sid) {
snd_mixer_selem_id_free(dev->selems[i].sid);
}
if (dev->selems[i].name) {
free(dev->selems[i].name);
}
}
free(dev->selems);
dev->selems = NULL;
}
if (dev->handle) {
snd_mixer_close(dev->handle);
dev->handle = NULL;
}
return FALSE;
}
static int
mixer_open(void)
{
snd_mixer_elem_t *elem;
snd_mixer_elem_t *master;
snd_mixer_elem_t *pcm;
snd_mixer_elem_t *custom;
snd_mixer_selem_id_t *sid;
int ret;
ret = snd_mixer_open(&mixer_hdl, 0);
if (ret < 0)
{
DPRINTF(E_LOG, L_LAUDIO, "Failed to open mixer: %s\n", snd_strerror(ret));
mixer_hdl = NULL;
return -1;
}
ret = snd_mixer_attach(mixer_hdl, card_name);
if (ret < 0)
{
DPRINTF(E_LOG, L_LAUDIO, "Failed to attach mixer: %s\n", snd_strerror(ret));
goto out_close;
}
ret = snd_mixer_selem_register(mixer_hdl, NULL, NULL);
if (ret < 0)
{
DPRINTF(E_LOG, L_LAUDIO, "Failed to register mixer: %s\n", snd_strerror(ret));
goto out_detach;
}
ret = snd_mixer_load(mixer_hdl);
if (ret < 0)
{
DPRINTF(E_LOG, L_LAUDIO, "Failed to load mixer: %s\n", snd_strerror(ret));
goto out_detach;
}
/* Grab interesting elements */
snd_mixer_selem_id_alloca(&sid);
pcm = NULL;
master = NULL;
custom = NULL;
for (elem = snd_mixer_first_elem(mixer_hdl); elem; elem = snd_mixer_elem_next(elem))
{
snd_mixer_selem_get_id(elem, sid);
if (mixer_name && (strcmp(snd_mixer_selem_id_get_name(sid), mixer_name) == 0))
{
custom = elem;
break;
}
else if (strcmp(snd_mixer_selem_id_get_name(sid), "PCM") == 0)
pcm = elem;
else if (strcmp(snd_mixer_selem_id_get_name(sid), "Master") == 0)
master = elem;
}
if (mixer_name)
{
if (custom)
vol_elem = custom;
else
{
DPRINTF(E_LOG, L_LAUDIO, "Failed to open configured mixer element '%s'\n", mixer_name);
goto out_detach;
}
}
else if (pcm)
vol_elem = pcm;
else if (master)
vol_elem = master;
else
{
DPRINTF(E_LOG, L_LAUDIO, "Failed to open PCM or Master mixer element\n");
goto out_detach;
}
/* Get min & max volume */
snd_mixer_selem_get_playback_volume_range(vol_elem, &vol_min, &vol_max);
return 0;
out_detach:
snd_mixer_detach(mixer_hdl, card_name);
out_close:
snd_mixer_close(mixer_hdl);
mixer_hdl = NULL;
vol_elem = NULL;
return -1;
}
/* to set/get/query special features/parameters */
static int control(int cmd, void *arg)
{
switch(cmd) {
case AOCONTROL_QUERY_FORMAT:
return CONTROL_TRUE;
case AOCONTROL_GET_VOLUME:
case AOCONTROL_SET_VOLUME:
{
ao_control_vol_t *vol = (ao_control_vol_t *)arg;
int err;
snd_mixer_t *handle;
snd_mixer_elem_t *elem;
snd_mixer_selem_id_t *sid;
char *mix_name = "PCM";
char *card = "default";
int mix_index = 0;
long pmin, pmax;
long get_vol, set_vol;
float f_multi;
if(AF_FORMAT_IS_IEC61937(ao_data.format))
return CONTROL_TRUE;
if(mixer_channel) {
char *test_mix_index;
mix_name = strdup(mixer_channel);
if ((test_mix_index = strchr(mix_name, ','))){
*test_mix_index = 0;
test_mix_index++;
mix_index = strtol(test_mix_index, &test_mix_index, 0);
if (*test_mix_index){
mp_msg(MSGT_AO,MSGL_ERR,
MSGTR_AO_ALSA_InvalidMixerIndexDefaultingToZero);
mix_index = 0 ;
}
}
}
if(mixer_device) card = mixer_device;
//allocate simple id
snd_mixer_selem_id_alloca(&sid);
//sets simple-mixer index and name
snd_mixer_selem_id_set_index(sid, mix_index);
snd_mixer_selem_id_set_name(sid, mix_name);
if (mixer_channel) {
free(mix_name);
mix_name = NULL;
}
if ((err = snd_mixer_open(&handle, 0)) < 0) {
mp_msg(MSGT_AO,MSGL_ERR,MSGTR_AO_ALSA_MixerOpenError, snd_strerror(err));
return CONTROL_ERROR;
}
if ((err = snd_mixer_attach(handle, card)) < 0) {
mp_msg(MSGT_AO,MSGL_ERR,MSGTR_AO_ALSA_MixerAttachError,
card, snd_strerror(err));
snd_mixer_close(handle);
return CONTROL_ERROR;
}
if ((err = snd_mixer_selem_register(handle, NULL, NULL)) < 0) {
mp_msg(MSGT_AO,MSGL_ERR,MSGTR_AO_ALSA_MixerRegisterError, snd_strerror(err));
snd_mixer_close(handle);
return CONTROL_ERROR;
}
err = snd_mixer_load(handle);
if (err < 0) {
mp_msg(MSGT_AO,MSGL_ERR,MSGTR_AO_ALSA_MixerLoadError, snd_strerror(err));
snd_mixer_close(handle);
return CONTROL_ERROR;
}
elem = snd_mixer_find_selem(handle, sid);
if (!elem) {
mp_msg(MSGT_AO,MSGL_ERR,MSGTR_AO_ALSA_UnableToFindSimpleControl,
snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
snd_mixer_close(handle);
return CONTROL_ERROR;
}
snd_mixer_selem_get_playback_volume_range(elem,&pmin,&pmax);
f_multi = (100 / (float)(pmax - pmin));
if (cmd == AOCONTROL_SET_VOLUME) {
set_vol = vol->left / f_multi + pmin + 0.5;
//setting channels
if ((err = snd_mixer_selem_set_playback_volume(elem, SND_MIXER_SCHN_FRONT_LEFT, set_vol)) < 0) {
mp_msg(MSGT_AO,MSGL_ERR,MSGTR_AO_ALSA_ErrorSettingLeftChannel,
snd_strerror(err));
snd_mixer_close(handle);
return CONTROL_ERROR;
}
mp_msg(MSGT_AO,MSGL_DBG2,"left=%li, ", set_vol);
set_vol = vol->right / f_multi + pmin + 0.5;
if ((err = snd_mixer_selem_set_playback_volume(elem, SND_MIXER_SCHN_FRONT_RIGHT, set_vol)) < 0) {
mp_msg(MSGT_AO,MSGL_ERR,MSGTR_AO_ALSA_ErrorSettingRightChannel,
snd_strerror(err));
snd_mixer_close(handle);
return CONTROL_ERROR;
}
mp_msg(MSGT_AO,MSGL_DBG2,"right=%li, pmin=%li, pmax=%li, mult=%f\n",
set_vol, pmin, pmax, f_multi);
if (snd_mixer_selem_has_playback_switch(elem)) {
int lmute = (vol->left == 0.0);
int rmute = (vol->right == 0.0);
if (snd_mixer_selem_has_playback_switch_joined(elem)) {
lmute = rmute = lmute && rmute;
} else {
snd_mixer_selem_set_playback_switch(elem, SND_MIXER_SCHN_FRONT_RIGHT, !rmute);
}
snd_mixer_selem_set_playback_switch(elem, SND_MIXER_SCHN_FRONT_LEFT, !lmute);
}
}
else {
snd_mixer_selem_get_playback_volume(elem, SND_MIXER_SCHN_FRONT_LEFT, &get_vol);
vol->left = (get_vol - pmin) * f_multi;
snd_mixer_selem_get_playback_volume(elem, SND_MIXER_SCHN_FRONT_RIGHT, &get_vol);
vol->right = (get_vol - pmin) * f_multi;
mp_msg(MSGT_AO,MSGL_DBG2,"left=%f, right=%f\n",vol->left,vol->right);
}
snd_mixer_close(handle);
return CONTROL_OK;
}
} //end switch
return CONTROL_UNKNOWN;
}
static int alsa_mixer_init(alsa_mixer_t *mixer, char *card) {
snd_mixer_selem_id_t *sid;
snd_mixer_elem_t *elem;
snd_mixer_selem_id_alloca(&sid);
int err;
if ((err = snd_mixer_open(&mixer->handle, 0)) < 0) {
DEBUG("Mixer %s open error: %s", card, snd_strerror(err));
mixer->handle = NULL;
return err;
}
if ((err = snd_mixer_attach(mixer->handle, card)) < 0) {
DEBUG("Mixer %s local error: %s\n", card, snd_strerror(err));
snd_mixer_close(mixer->handle);
mixer->handle = NULL;
return err;
}
if ((err = snd_mixer_selem_register(mixer->handle, NULL, NULL)) < 0) {
DEBUG("Mixer register error: %s", snd_strerror(err));
snd_mixer_close(mixer->handle);
return err;
}
snd_mixer_set_callback(mixer->handle, on_mixer_event);
err = snd_mixer_load(mixer->handle);
if (err < 0) {
DEBUG("Mixer %s load error: %s", card, snd_strerror(err));
snd_mixer_close(mixer->handle);
return err;
}
for (elem = snd_mixer_first_elem(mixer->handle); elem; elem = snd_mixer_elem_next(elem)) {
const char *name = NULL;
snd_mixer_selem_get_id(elem, sid);
if (!snd_mixer_selem_is_active(elem))
continue;
name = snd_mixer_selem_id_get_name(sid);
if(snd_mixer_selem_has_playback_volume(elem)) {
if(strcmp(name, "Master") == 0)
mixer->master = elem;
else if(strcmp(name, "PCM") == 0)
mixer->pcm = elem;
} else if(snd_mixer_selem_has_capture_volume(elem) || snd_mixer_selem_has_capture_switch(elem)) {
DEBUG("capture elem name = %s\n", name);
/**make sure have one capture source if capture is available*/
if(NULL == mixer->mic) {
mixer->mic = elem;
}
/**if have Microphone, replace it*/
if(strcmp(name, "Microphone") == 0)
mixer->mic = elem;
if(strcmp(name, "Capture") == 0)
mixer->mic = elem;
}
}
DEBUG("master = %x, pcm = %x, microphone = %x\n", mixer->master, mixer->pcm, mixer->mic);
return 0;
}
bool AlsaMixer::StepVolume( const char* channel, int step )
{
LOG( Logger::LOG_DEBUG, "AlsaMixer::StepVolume( %s, %d )", channel, step);
bool success = false;
snd_mixer_elem_t *elem;
snd_mixer_selem_id_t *sid;
snd_mixer_selem_id_alloca(&sid);
snd_mixer_selem_id_set_index( sid, 0);
snd_mixer_selem_id_set_name( sid, channel);
elem = snd_mixer_find_selem(_handle, sid);
if (!elem) {
LOG( Logger::LOG_ERROR, "Unable to find simple control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
goto end;
}
if( snd_mixer_selem_has_playback_volume(elem) )
{
long min, max;
if( snd_mixer_selem_get_playback_volume_range(elem, &min, &max) < 0 )
{
LOG( Logger::LOG_ERROR, "Unable to get playback volume range for control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
goto end;
}
for (int chn = 0; chn <= SND_MIXER_SCHN_LAST; chn++) {
long volume;
if (snd_mixer_selem_get_playback_volume(elem, (snd_mixer_selem_channel_id_t)chn, &volume ) >= 0)
{
volume += step;
if( volume > max )volume = max;
if( volume < min )volume = min;
if (snd_mixer_selem_set_playback_volume(elem, (snd_mixer_selem_channel_id_t)chn, volume ) >= 0)
{
success = true;
}
}
}
}else if( snd_mixer_selem_has_capture_volume(elem) )
{
long min, max;
if( snd_mixer_selem_get_capture_volume_range(elem, &min, &max) < 0 )
{
LOG( Logger::LOG_ERROR, "Unable to get capture volume range for control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
goto end;
}
for (int chn = 0; chn <= SND_MIXER_SCHN_LAST; chn++) {
long volume;
if (snd_mixer_selem_get_capture_volume(elem, (snd_mixer_selem_channel_id_t)chn, &volume ) >= 0)
{
volume += step;
if( volume > max )volume = max;
if( volume < min )volume = min;
if (snd_mixer_selem_set_capture_volume(elem, (snd_mixer_selem_channel_id_t)chn, volume ) >= 0)
{
success = true;
}
}
}
}
if( !success )
{
LOG( Logger::LOG_ERROR, "Error setting control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
}
end:
return success;
}
bool LapsusAlsaMixer::init()
{
int err;
snd_ctl_t *ctl_handle;
snd_ctl_card_info_t *hw_info;
snd_ctl_card_info_alloca(&hw_info);
if ((err = snd_ctl_open (&ctl_handle, "default", 0)) < 0)
return false;
if ((err = snd_ctl_card_info (ctl_handle, hw_info)) < 0)
return false;
snd_ctl_close (ctl_handle);
if ((err = snd_mixer_open (&_handle, 0)) < 0)
return false;
if ((err = snd_mixer_attach (_handle, "default")) < 0)
return false;
if ((err = snd_mixer_selem_register (_handle, 0, 0)) < 0)
return false;
if ((err = snd_mixer_load (_handle)) < 0)
return false;
// printf("Card name: '%s'\n", snd_ctl_card_info_get_name(hw_info));
// printf("Device name: '%s'\n", snd_ctl_card_info_get_mixername(hw_info));
snd_mixer_elem_t *elem;
snd_mixer_selem_id_t *tmp_sid = 0;
for (elem = snd_mixer_first_elem(_handle); elem; elem = snd_mixer_elem_next(elem))
{
if (snd_mixer_selem_is_active(elem))
{
if (!tmp_sid) tmp_sid = (snd_mixer_selem_id_t*) malloc(snd_mixer_selem_id_sizeof());
snd_mixer_selem_get_id(elem, tmp_sid);
const char *name = snd_mixer_selem_id_get_name( tmp_sid );
if (!strcasecmp(name, "Headphone"))
{
if (sids[ID_HP]) delete sids[ID_HP];
sids[ID_HP] = new SIDInfo(_handle, tmp_sid);
tmp_sid = 0;
}
else if (!strcasecmp(name, "Front"))
{
if (sids[ID_F]) delete sids[ID_F];
sids[ID_F] = new SIDInfo(_handle, tmp_sid);
tmp_sid = 0;
}
else if (!strcasecmp(name, "Master"))
{
if (sids[ID_M]) delete sids[ID_M];
sids[ID_M] = new SIDInfo(_handle, tmp_sid);
tmp_sid = 0;
}
}
}
if (tmp_sid) free(tmp_sid);
bool foundAny = false;
for (int i = 0; i < ID_LAST; ++i)
{
if (sids[i])
{
if (sids[i]->hasMute)
{
foundAny = true;
}
if (sids[i]->hasVolume)
{
foundAny = true;
long range = sids[i]->max - sids[i]->min;
if (range > _globalMax)
_globalMax = range;
}
}
}
if (_globalMax > INT_MAX)
_globalMax = INT_MAX;
if (!foundAny) return false;
for (int i = 0; i < ID_LAST; ++i)
{
if (sids[i]) sids[i]->setGlobalMax(_globalMax);
}
if ((_count = snd_mixer_poll_descriptors_count(_handle)) < 0)
return false;
_fds = (struct pollfd*) calloc(_count, sizeof(struct pollfd));
if (!_fds) return false;
if ((err = snd_mixer_poll_descriptors(_handle, _fds, _count)) < 0)
return false;
if (err != _count) return 0;
_sns = new QSocketNotifier*[_count];
for ( int i = 0; i < _count; ++i )
{
_sns[i] = new QSocketNotifier(_fds[i].fd, QSocketNotifier::Read);
connect(_sns[i], SIGNAL(activated(int)), this, SLOT(alsaEvent()));
}
// To read our current parameters. Signals will be emited, but those signals
// are not yet connected to anything - this method is called from constructor
// only.
getVolume();
mixerIsMuted();
return true;
}
ALSAMixer::ALSAMixer(const char *sndcard)
{
int err;
LOGI(" Init ALSAMIXER for SNDCARD : %s",sndcard);
mixerMasterProp =
ALSA_PROP(AudioSystem::DEVICE_OUT_ALL, "master", "PCM", "Capture");
mixerProp = {
ALSA_PROP(AudioSystem::DEVICE_OUT_EARPIECE, "earpiece", "Earpiece", "Capture"),
ALSA_PROP(AudioSystem::DEVICE_OUT_SPEAKER, "speaker", "Speaker", ""),
ALSA_PROP(AudioSystem::DEVICE_OUT_WIRED_HEADSET, "headset", "Headphone", "Capture"),
ALSA_PROP(AudioSystem::DEVICE_OUT_BLUETOOTH_SCO, "bluetooth.sco", "Bluetooth", "Bluetooth Capture"),
ALSA_PROP(AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP, "bluetooth.a2dp", "Bluetooth A2DP", "Bluetooth A2DP Capture"),
ALSA_PROP(static_cast<AudioSystem::audio_devices>(0), "", NULL, NULL)
};
initMixer (&mMixer[SND_PCM_STREAM_PLAYBACK], sndcard);
initMixer (&mMixer[SND_PCM_STREAM_CAPTURE], sndcard);
snd_mixer_selem_id_t *sid;
snd_mixer_selem_id_alloca(&sid);
for (int i = 0; i <= SND_PCM_STREAM_LAST; i++) {
mixer_info_t *info = mixerMasterProp[i].mInfo = new mixer_info_t;
property_get (mixerMasterProp[i].propName,
info->name,
mixerMasterProp[i].propDefault);
for (snd_mixer_elem_t *elem = snd_mixer_first_elem(mMixer[i]);
elem;
elem = snd_mixer_elem_next(elem)) {
if (!snd_mixer_selem_is_active(elem))
continue;
snd_mixer_selem_get_id(elem, sid);
// Find PCM playback volume control element.
const char *elementName = snd_mixer_selem_id_get_name(sid);
if (info->elem == NULL &&
strcmp(elementName, info->name) == 0 &&
hasVolume[i] (elem)) {
info->elem = elem;
getVolumeRange[i] (elem, &info->min, &info->max);
info->volume = info->max;
setVol[i] (elem, info->volume);
if (i == SND_PCM_STREAM_PLAYBACK &&
snd_mixer_selem_has_playback_switch (elem))
snd_mixer_selem_set_playback_switch_all (elem, 1);
break;
}
}
LOGV("Mixer: master '%s' %s.", info->name, info->elem ? "found" : "not found");
for (int j = 0; mixerProp[j][i].device; j++) {
mixer_info_t *info = mixerProp[j][i].mInfo = new mixer_info_t;
property_get (mixerProp[j][i].propName,
info->name,
mixerProp[j][i].propDefault);
for (snd_mixer_elem_t *elem = snd_mixer_first_elem(mMixer[i]);
elem;
elem = snd_mixer_elem_next(elem)) {
if (!snd_mixer_selem_is_active(elem))
continue;
snd_mixer_selem_get_id(elem, sid);
// Find PCM playback volume control element.
const char *elementName = snd_mixer_selem_id_get_name(sid);
if (info->elem == NULL &&
strcmp(elementName, info->name) == 0 &&
hasVolume[i] (elem)) {
info->elem = elem;
getVolumeRange[i] (elem, &info->min, &info->max);
info->volume = info->max;
setVol[i] (elem, info->volume);
if (i == SND_PCM_STREAM_PLAYBACK &&
snd_mixer_selem_has_playback_switch (elem))
snd_mixer_selem_set_playback_switch_all (elem, 1);
break;
}
}
LOGV("Mixer: route '%s' %s.", info->name, info->elem ? "found" : "not found");
}
}
LOGV("mixer initialized.");
}
ALSAMixer::ALSAMixer()
{
int err;
initMixer (&mMixer[SND_PCM_STREAM_PLAYBACK], "AndroidOut");
initMixer (&mMixer[SND_PCM_STREAM_CAPTURE], "AndroidIn");
snd_mixer_selem_id_t *sid;
snd_mixer_selem_id_alloca(&sid);
for (int i = 0; i <= SND_PCM_STREAM_LAST; i++) {
mixer_info_t *info = mixerMasterProp[i].mInfo = new mixer_info_t;
property_get (mixerMasterProp[i].propName,
info->name,
mixerMasterProp[i].propDefault);
for (snd_mixer_elem_t *elem = snd_mixer_first_elem(mMixer[i]);
elem;
elem = snd_mixer_elem_next(elem)) {
if (!snd_mixer_selem_is_active(elem))
continue;
snd_mixer_selem_get_id(elem, sid);
// Find PCM playback volume control element.
const char *elementName = snd_mixer_selem_id_get_name(sid);
if (info->elem == NULL &&
strcmp(elementName, info->name) == 0 &&
hasVolume[i] (elem)) {
info->elem = elem;
getVolumeRange[i] (elem, &info->min, &info->max);
info->volume = info->max;
setVol[i] (elem, info->volume);
if (i == SND_PCM_STREAM_PLAYBACK &&
snd_mixer_selem_has_playback_switch (elem))
snd_mixer_selem_set_playback_switch_all (elem, 1);
break;
}
}
LOGV("Mixer: master '%s' %s.", info->name, info->elem ? "found" : "not found");
for (int j = 0; mixerProp[j][i].device; j++) {
mixer_info_t *info = mixerProp[j][i].mInfo = new mixer_info_t;
property_get (mixerProp[j][i].propName,
info->name,
mixerProp[j][i].propDefault);
for (snd_mixer_elem_t *elem = snd_mixer_first_elem(mMixer[i]);
elem;
elem = snd_mixer_elem_next(elem)) {
if (!snd_mixer_selem_is_active(elem))
continue;
snd_mixer_selem_get_id(elem, sid);
// Find PCM playback volume control element.
const char *elementName = snd_mixer_selem_id_get_name(sid);
if (info->elem == NULL &&
strcmp(elementName, info->name) == 0 &&
hasVolume[i] (elem)) {
info->elem = elem;
getVolumeRange[i] (elem, &info->min, &info->max);
info->volume = info->max;
setVol[i] (elem, info->volume);
if (i == SND_PCM_STREAM_PLAYBACK &&
snd_mixer_selem_has_playback_switch (elem))
snd_mixer_selem_set_playback_switch_all (elem, 1);
break;
}
}
LOGV("Mixer: route '%s' %s.", info->name, info->elem ? "found" : "not found");
}
}
#ifdef AUDIO_MODEM_TI
ALSAControl control("hw:00");
status_t error;
#if 0//(WORKAROUND_AVOID_VOICE_VOLUME_SATURATION == 1) //[LG_FW_P970_MERGE] - jungsoo1221.lee
LOGV("Workaround: Voice call max volume limited to: %d", WORKAROUND_MAX_VOICE_VOLUME);
#endif
#if 0//(WORKAROUND_SET_VOICE_VOLUME_MIN == 1) //[LG_FW_P970_MERGE] - jungsoo1221.lee
LOGV("Workaround: Voice call min volume limited to: %d", WORKAROUND_MIN_VOICE_VOLUME);
#endif
for (int i = 0; inCallVolumeProp[i].device; i++) {
mixer_incall_vol_info_t *info = inCallVolumeProp[i].mInfo = new mixer_incall_vol_info_t;
property_get (inCallVolumeProp[i].propName,
info->name,
inCallVolumeProp[i].propDefault);
error = control.get(info->name, info->volume, 0);
error = control.getmin(info->name, info->min);
error = control.getmax(info->name, info->max);
#if 0//(WORKAROUND_AVOID_VOICE_VOLUME_SATURATION == 1) //[LG_FW_P970_MERGE] - jungsoo1221.lee
info->max = WORKAROUND_MAX_VOICE_VOLUME;
#endif
#if 0//(WORKAROUND_SET_VOICE_VOLUME_MIN == 1) //[LG_FW_P970_MERGE] - jungsoo1221.lee
info->min = WORKAROUND_MIN_VOICE_VOLUME;
#endif
if (error < 0) {
LOGV("Mixer: In Call Volume '%s': not found", info->name);
} else {
LOGV("Mixer: In Call Volume '%s': vol. %d min. %d max. %d",
info->name, info->volume, info->min, info->max);
}
}
#endif
LOGV("mixer initialized.");
}
ALSAMixer::ALSAMixer()
{
int err;
initMixer (&mMixer[SND_PCM_STREAM_PLAYBACK], "AndroidOut");
initMixer (&mMixer[SND_PCM_STREAM_CAPTURE], "AndroidIn");
snd_mixer_selem_id_t *sid;
snd_mixer_selem_id_alloca(&sid);
for (int i = 0; i <= SND_PCM_STREAM_LAST; i++) {
if (!mMixer[i]) continue;
mixer_info_t *info = mixerMasterProp[i].mInfo = new mixer_info_t;
property_get (mixerMasterProp[i].propName,
info->name,
mixerMasterProp[i].propDefault);
for (snd_mixer_elem_t *elem = snd_mixer_first_elem(mMixer[i]);
elem;
elem = snd_mixer_elem_next(elem)) {
if (!snd_mixer_selem_is_active(elem))
continue;
snd_mixer_selem_get_id(elem, sid);
// Find PCM playback volume control element.
const char *elementName = snd_mixer_selem_id_get_name(sid);
if (info->elem == NULL &&
strcmp(elementName, info->name) == 0 &&
hasVolume[i] (elem)) {
info->elem = elem;
getVolumeRange[i] (elem, &info->min, &info->max);
//info->volume = info->max;
//setVol[i] (elem, info->volume);
//if (i == SND_PCM_STREAM_PLAYBACK &&
// snd_mixer_selem_has_playback_switch (elem))
// snd_mixer_selem_set_playback_switch_all (elem, 1);
break;
}
}
ALOGV("Mixer: master '%s' %s.", info->name, info->elem ? "found" : "not found");
for (int j = 0; mixerProp[j][i].device; j++) {
mixer_info_t *info = mixerProp[j][i].mInfo = new mixer_info_t;
property_get (mixerProp[j][i].propName,
info->name,
mixerProp[j][i].propDefault);
for (snd_mixer_elem_t *elem = snd_mixer_first_elem(mMixer[i]);
elem;
elem = snd_mixer_elem_next(elem)) {
if (!snd_mixer_selem_is_active(elem))
continue;
snd_mixer_selem_get_id(elem, sid);
// Find PCM playback volume control element.
const char *elementName = snd_mixer_selem_id_get_name(sid);
if (info->elem == NULL &&
strcmp(elementName, info->name) == 0 &&
hasVolume[i] (elem)) {
info->elem = elem;
getVolumeRange[i] (elem, &info->min, &info->max);
//info->volume = info->max;
//setVol[i] (elem, info->volume);
//if (i == SND_PCM_STREAM_PLAYBACK &&
// snd_mixer_selem_has_playback_switch (elem))
// snd_mixer_selem_set_playback_switch_all (elem, 1);
break;
}
}
ALOGV("Mixer: route '%s' %s.", info->name, info->elem ? "found" : "not found");
}
}
ALOGV("mixer initialized.");
}
static void alsa_volume_mixer(double volume)
{
snd_mixer_t* handle;
snd_mixer_elem_t* elem;
snd_mixer_selem_id_t* sid;
unsigned c;
long pmin, pmax;
long v;
int r;
snd_mixer_selem_id_alloca(&sid);
log_std(("sound:alsa: soundb_alsa_volume(volume:%g)\n", (double)volume));
snd_mixer_selem_id_set_name(sid, "Master");
r = snd_mixer_open(&handle, 0);
if (r < 0) {
log_std(("ERROR:sound:alsa: Mixer open error: %s\n", snd_strerror(r)));
goto err;
}
r = snd_mixer_attach(handle, alsa_option.mixer_buffer);
if (r < 0) {
log_std(("ERROR:sound:alsa: Mixer attach error: %s\n", snd_strerror(r)));
goto err_close;
}
if ((r = snd_mixer_selem_register(handle, NULL, NULL)) < 0) {
log_std(("ERROR:sound:alsa: Mixer register error: %s\n", snd_strerror(r)));
goto err_close;
}
r = snd_mixer_load(handle);
if (r < 0) {
log_std(("ERROR:sound:alsa: Mixer load error: %s\n", snd_strerror(r)));
goto err_close;
}
elem = snd_mixer_find_selem(handle, sid);
if (!elem) {
log_std(("ERROR:sound:alsa: Unable to find simple control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid)));
goto err_close;
}
if (volume > 0) {
if (snd_mixer_selem_has_playback_switch(elem)) {
log_std(("sound:alsa: enable playback\n"));
for(c=0;c<=SND_MIXER_SCHN_LAST;++c) {
snd_mixer_selem_set_playback_switch(elem, c, 1);
}
} else {
log_std(("sound:alsa: skip enable playback\n"));
}
if (snd_mixer_selem_has_playback_volume(elem)) {
log_std(("sound:alsa: set playback volume\n"));
snd_mixer_selem_get_playback_volume_range(elem, &pmin, &pmax);
v = pmin + (pmax - pmin) * volume + 0.5;
if (v < pmin)
v = pmin;
if (v > pmax)
v = pmax;
log_std(("sound:alsa: min:%d, max:%d, set:%d\n", (int)pmin, (int)pmax, (int)v));
for(c=0;c<=SND_MIXER_SCHN_LAST;++c) {
snd_mixer_selem_set_playback_volume(elem, c, v);
}
} else {
log_std(("sound:alsa: skip set playback volume\n"));
}
} else {
if (snd_mixer_selem_has_playback_switch(elem)) {
log_std(("sound:alsa: disable playback\n"));
for(c=0;c<=SND_MIXER_SCHN_LAST;++c) {
snd_mixer_selem_set_playback_switch(elem, c, 0);
}
} else {
log_std(("sound:alsa: skip disable playback\n"));
}
}
snd_mixer_close(handle);
return;
err_close:
snd_mixer_close(handle);
err:
return;
}
