Control API encapsulation. Better names for kernel API. Simpler PCM hw_params API. Added missing const.

This commit is contained in:
Abramo Bagnara 2001-02-06 23:48:29 +00:00
parent 3df0171dc0
commit 0ef8943fb0
4 changed files with 427 additions and 426 deletions

View file

@ -67,7 +67,12 @@ char *id_str(snd_control_id_t *id)
{
static char str[128];
assert(id);
sprintf(str, "%i,%i,%i,%s,%i", id->iface, id->device, id->subdevice, id->name, id->index);
sprintf(str, "%i,%i,%i,%s,%i",
snd_enum_to_int(snd_control_id_get_interface(id)),
snd_control_id_get_device(id),
snd_control_id_get_subdevice(id),
snd_control_id_get_name(id),
snd_control_id_get_index(id));
return str;
}
@ -98,7 +103,7 @@ static int snd_config_integer_add(snd_config_t *father, char *id, long integer)
return 0;
}
static int snd_config_string_add(snd_config_t *father, char *id, char *string)
static int snd_config_string_add(snd_config_t *father, const char *id, const char *string)
{
int err;
snd_config_t *leaf;
@ -118,7 +123,7 @@ static int snd_config_string_add(snd_config_t *father, char *id, char *string)
return 0;
}
static int snd_config_compound_add(snd_config_t *father, char *id, int join,
static int snd_config_compound_add(snd_config_t *father, const char *id, int join,
snd_config_t **node)
{
int err;
@ -137,33 +142,36 @@ static int snd_config_compound_add(snd_config_t *father, char *id, int join,
static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *top)
{
snd_control_t ctl;
snd_control_info_t info;
snd_control_t *ctl;
snd_control_info_t *info;
snd_config_t *control, *comment, *item, *value;
char *s;
const char *s;
char buf[256];
unsigned int idx;
int err;
memset(&info, 0, sizeof(info));
info.id = *id;
err = snd_ctl_cinfo(handle, &info);
unsigned int device, subdevice, index;
const char *name;
snd_control_type_t type;
unsigned int count;
snd_control_alloca(&ctl);
snd_control_info_alloca(&info);
snd_control_info_set_id(info, id);
err = snd_ctl_cinfo(handle, info);
if (err < 0) {
error("Cannot read control info '%s': %s", id_str(id), snd_strerror(err));
return err;
}
if (!(info.access & SND_CONTROL_ACCESS_READ))
if (!snd_control_info_is_readable(info))
return 0;
memset(&ctl, 0, sizeof(ctl));
ctl.id = info.id;
err = snd_ctl_cread(handle, &ctl);
snd_control_set_id(ctl, id);
err = snd_ctl_cread(handle, ctl);
if (err < 0) {
error("Cannot read control '%s': %s", id_str(id), snd_strerror(err));
return err;
}
err = snd_config_compound_add(top, num_str(info.id.numid), 0, &control);
err = snd_config_compound_add(top, num_str(snd_control_info_get_numid(info)), 0, &control);
if (err < 0) {
error("snd_config_compound_add: %s", snd_strerror(err));
return err;
@ -176,180 +184,154 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
buf[0] = '\0';
buf[1] = '\0';
if (info.access & SND_CONTROL_ACCESS_READ)
if (snd_control_info_is_readable(info))
strcat(buf, " read");
if (info.access & SND_CONTROL_ACCESS_WRITE)
if (snd_control_info_is_writable(info))
strcat(buf, " write");
if (info.access & SND_CONTROL_ACCESS_INACTIVE)
if (snd_control_info_is_inactive(info))
strcat(buf, " inactive");
if (snd_control_info_is_volatile(info))
strcat(buf, " volatile");
if (snd_control_info_is_locked(info))
strcat(buf, " locked");
if (snd_control_info_is_indirect(info))
strcat(buf, " indirect");
err = snd_config_string_add(comment, "access", buf + 1);
if (err < 0) {
error("snd_config_string_add: %s", snd_strerror(err));
return err;
}
switch (info.type) {
case SND_CONTROL_TYPE_BOOLEAN:
s = "bool";
break;
case SND_CONTROL_TYPE_INTEGER:
s = "integer";
break;
case SND_CONTROL_TYPE_ENUMERATED:
s = "enumerated";
break;
case SND_CONTROL_TYPE_BYTES:
s = "bytes";
break;
case SND_CONTROL_TYPE_IEC958:
s = "iec958";
break;
default:
s = "unknown";
break;
}
type = snd_control_info_get_type(info);
device = snd_control_info_get_device(info);
subdevice = snd_control_info_get_subdevice(info);
index = snd_control_info_get_index(info);
name = snd_control_info_get_name(info);
count = snd_control_info_get_count(info);
s = snd_control_type_name(type);
err = snd_config_string_add(comment, "type", s);
if (err < 0) {
error("snd_config_string_add: %s", snd_strerror(err));
return err;
}
switch (info.type) {
switch (snd_enum_to_int(type)) {
case SND_CONTROL_TYPE_BOOLEAN:
if (info.value.integer.min != 0 || info.value.integer.max != 1 ||
info.value.integer.step != 0)
error("Bad boolean control '%s'", id_str(id));
break;
case SND_CONTROL_TYPE_INTEGER:
if (info.value.integer.step)
sprintf(buf, "%li - %li (step %li)", info.value.integer.min, info.value.integer.max, info.value.integer.step);
{
long min = snd_control_info_get_min(info);
long max = snd_control_info_get_max(info);
long step = snd_control_info_get_step(info);
if (step)
sprintf(buf, "%li - %li (step %li)", min, max, step);
else
sprintf(buf, "%li - %li", info.value.integer.min, info.value.integer.max);
sprintf(buf, "%li - %li", min, max);
err = snd_config_string_add(comment, "range", buf);
if (err < 0) {
error("snd_config_string_add: %s", snd_strerror(err));
return err;
}
break;
}
case SND_CONTROL_TYPE_ENUMERATED:
{
unsigned int items;
err = snd_config_compound_add(comment, "item", 1, &item);
if (err < 0) {
error("snd_config_compound_add: %s", snd_strerror(err));
return err;
}
for (idx = 0; idx < info.value.enumerated.items; idx++) {
info.value.enumerated.item = idx;
err = snd_ctl_cinfo(handle, &info);
items = snd_control_info_get_items(info);
for (idx = 0; idx < items; idx++) {
snd_control_info_set_item(info, idx);
err = snd_ctl_cinfo(handle, info);
if (err < 0) {
error("snd_ctl_info: %s", snd_strerror(err));
return err;
}
err = snd_config_string_add(item, num_str(idx), info.value.enumerated.name);
err = snd_config_string_add(item, num_str(idx), snd_control_info_get_item_name(info));
if (err < 0) {
error("snd_config_string_add: %s", snd_strerror(err));
return err;
}
}
break;
}
default:
break;
}
switch (info.id.iface) {
case SND_CONTROL_IFACE_CARD:
s = "card";
break;
case SND_CONTROL_IFACE_HWDEP:
s = "hwdep";
break;
case SND_CONTROL_IFACE_MIXER:
s = "mixer";
break;
case SND_CONTROL_IFACE_PCM:
s = "pcm";
break;
case SND_CONTROL_IFACE_RAWMIDI:
s = "rawmidi";
break;
case SND_CONTROL_IFACE_TIMER:
s = "timer";
break;
case SND_CONTROL_IFACE_SEQUENCER:
s = "sequencer";
break;
default:
s = num_str(info.id.iface);
break;
}
s = snd_control_iface_name(snd_control_info_get_interface(info));
err = snd_config_string_add(control, "iface", s);
if (err < 0) {
error("snd_config_string_add: %s", snd_strerror(err));
return err;
}
if (info.id.device != 0) {
err = snd_config_integer_add(control, "device", info.id.device);
if (device != 0) {
err = snd_config_integer_add(control, "device", device);
if (err < 0) {
error("snd_config_integer_add: %s", snd_strerror(err));
return err;
}
}
if (info.id.subdevice != 0) {
err = snd_config_integer_add(control, "subdevice", info.id.subdevice);
if (subdevice != 0) {
err = snd_config_integer_add(control, "subdevice", subdevice);
if (err < 0) {
error("snd_config_integer_add: %s", snd_strerror(err));
return err;
}
}
err = snd_config_string_add(control, "name", info.id.name);
err = snd_config_string_add(control, "name", name);
if (err < 0) {
error("snd_config_string_add: %s", snd_strerror(err));
return err;
}
if (info.id.index != 0) {
err = snd_config_integer_add(control, "index", info.id.index);
if (index != 0) {
err = snd_config_integer_add(control, "index", index);
if (err < 0) {
error("snd_config_integer_add: %s", snd_strerror(err));
return err;
}
}
switch (info.type) {
switch (snd_enum_to_int(type)) {
case SND_CONTROL_TYPE_BYTES:
case SND_CONTROL_TYPE_IEC958:
{
size_t count = info.type == SND_CONTROL_TYPE_BYTES ?
info.values_count : sizeof(snd_aes_iec958_t);
char buf[count * 2 + 1];
char *p = buf;
char *hex = "0123456789abcdef";
for (idx = 0; idx < count; idx++) {
int v = ctl.value.bytes.data[idx];
*p++ = hex[v >> 4];
*p++ = hex[v & 0x0f];
}
*p = '\0';
err = snd_config_string_add(control, "value", buf);
if (err < 0) {
error("snd_config_string_add: %s", snd_strerror(err));
return err;
}
return 0;
{
size_t size = type == SND_CONTROL_TYPE_BYTES ?
count : sizeof(snd_aes_iec958_t);
char buf[count * 2 + 1];
char *p = buf;
char *hex = "0123456789abcdef";
const char *bytes = snd_control_get_bytes(ctl);
for (idx = 0; idx < size; idx++) {
int v = bytes[idx];
*p++ = hex[v >> 4];
*p++ = hex[v & 0x0f];
}
*p = '\0';
err = snd_config_string_add(control, "value", buf);
if (err < 0) {
error("snd_config_string_add: %s", snd_strerror(err));
return err;
}
return 0;
}
default:
break;
}
if (info.values_count == 1) {
switch (info.type) {
if (count == 1) {
switch (snd_enum_to_int(type)) {
case SND_CONTROL_TYPE_BOOLEAN:
err = snd_config_string_add(control, "value", ctl.value.integer.value[0] ? "true" : "false");
err = snd_config_string_add(control, "value", snd_control_get_boolean(ctl, 0) ? "true" : "false");
if (err < 0) {
error("snd_config_string_add: %s", snd_strerror(err));
return err;
}
return 0;
case SND_CONTROL_TYPE_INTEGER:
err = snd_config_integer_add(control, "value", ctl.value.integer.value[0]);
err = snd_config_integer_add(control, "value", snd_control_get_integer(ctl, 0));
if (err < 0) {
error("snd_config_integer_add: %s", snd_strerror(err));
return err;
@ -357,7 +339,7 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
return 0;
case SND_CONTROL_TYPE_ENUMERATED:
{
unsigned int v = ctl.value.enumerated.item[0];
unsigned int v = snd_control_get_enumerated(ctl, 0);
snd_config_t *c;
err = snd_config_search(item, num_str(v), &c);
if (err == 0) {
@ -372,7 +354,7 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
return 0;
}
default:
error("Unknown control type: %d\n", info.type);
error("Unknown control type: %d\n", snd_enum_to_int(type));
return -EINVAL;
}
}
@ -383,10 +365,10 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
return err;
}
switch (info.type) {
switch (snd_enum_to_int(type)) {
case SND_CONTROL_TYPE_BOOLEAN:
for (idx = 0; idx < info.values_count; idx++) {
err = snd_config_string_add(value, num_str(idx), ctl.value.integer.value[idx] ? "true" : "false");
for (idx = 0; idx < count; idx++) {
err = snd_config_string_add(value, num_str(idx), snd_control_get_boolean(ctl, idx) ? "true" : "false");
if (err < 0) {
error("snd_config_string_add: %s", snd_strerror(err));
return err;
@ -394,8 +376,8 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
}
break;
case SND_CONTROL_TYPE_INTEGER:
for (idx = 0; idx < info.values_count; idx++) {
err = snd_config_integer_add(value, num_str(idx), ctl.value.integer.value[idx]);
for (idx = 0; idx < count; idx++) {
err = snd_config_integer_add(value, num_str(idx), snd_control_get_integer(ctl, idx));
if (err < 0) {
error("snd_config_integer_add: %s", snd_strerror(err));
return err;
@ -403,8 +385,8 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
}
break;
case SND_CONTROL_TYPE_ENUMERATED:
for (idx = 0; idx < info.values_count; idx++) {
unsigned int v = ctl.value.enumerated.item[idx];
for (idx = 0; idx < count; idx++) {
unsigned int v = snd_control_get_enumerated(ctl, idx);
snd_config_t *c;
err = snd_config_search(item, num_str(v), &c);
if (err == 0) {
@ -421,7 +403,7 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
}
break;
default:
error("Unknown control type: %d\n", info.type);
error("Unknown control type: %d\n", snd_enum_to_int(type));
return -EINVAL;
}
@ -431,12 +413,16 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
static int get_controls(int cardno, snd_config_t *top)
{
snd_ctl_t *handle;
snd_ctl_hw_info_t info;
snd_ctl_info_t *info;
snd_config_t *state, *card, *control;
snd_control_list_t list;
snd_control_list_t *list;
unsigned int idx;
int err;
char name[32];
unsigned int count;
const char *id;
snd_ctl_info_alloca(&info);
snd_control_list_alloca(&list);
sprintf(name, "hw:%d", cardno);
err = snd_ctl_open(&handle, name);
@ -444,11 +430,12 @@ static int get_controls(int cardno, snd_config_t *top)
error("snd_ctl_open error: %s", snd_strerror(err));
return err;
}
err = snd_ctl_hw_info(handle, &info);
err = snd_ctl_info(handle, info);
if (err < 0) {
error("snd_ctl_hw_info error: %s", snd_strerror(err));
error("snd_ctl_info error: %s", snd_strerror(err));
goto _close;
}
id = snd_ctl_info_get_id(info);
err = snd_config_search(top, "state", &state);
if (err == 0 &&
snd_config_type(state) != SND_CONFIG_TYPE_COMPOUND) {
@ -463,15 +450,15 @@ static int get_controls(int cardno, snd_config_t *top)
goto _close;
}
}
err = snd_config_search(state, info.id, &card);
err = snd_config_search(state, id, &card);
if (err == 0 &&
snd_config_type(state) != SND_CONFIG_TYPE_COMPOUND) {
error("config state.%s node is not a compound", info.id);
error("config state.%s node is not a compound", id);
err = -EINVAL;
goto _close;
}
if (err < 0) {
err = snd_config_compound_add(state, info.id, 0, &card);
err = snd_config_compound_add(state, id, 0, &card);
if (err < 0) {
error("snd_config_compound_add: %s", snd_strerror(err));
goto _close;
@ -490,36 +477,37 @@ static int get_controls(int cardno, snd_config_t *top)
error("snd_config_compound_add: %s", snd_strerror(err));
goto _close;
}
memset(&list, 0, sizeof(list));
err = snd_ctl_clist(handle, &list);
err = snd_ctl_clist(handle, list);
if (err < 0) {
error("Cannot determine controls: %s", snd_strerror(err));
goto _close;
}
if (list.controls <= 0) {
count = snd_control_list_get_count(list);
if (count <= 0) {
err = 0;
goto _close;
}
list.controls_request = list.controls;
list.controls_offset = list.controls_count = 0;
list.pids = malloc(sizeof(snd_control_id_t) * list.controls_request);
if (!list.pids) {
snd_control_list_set_offset(list, 0);
if (snd_control_list_alloc_space(list, count) < 0) {
error("No enough memory...");
goto _close;
}
if ((err = snd_ctl_clist(handle, &list)) < 0) {
if ((err = snd_ctl_clist(handle, list)) < 0) {
error("Cannot determine controls (2): %s", snd_strerror(err));
goto _free;
}
for (idx = 0; idx < list.controls_count; ++idx) {
err = get_control(handle, &list.pids[idx], control);
for (idx = 0; idx < count; ++idx) {
snd_control_id_t *id;
snd_control_id_alloca(&id);
snd_control_list_get_id(list, idx, id);
err = get_control(handle, id, control);
if (err < 0)
goto _free;
}
err = 0;
_free:
free(list.pids);
snd_control_list_free_space(list);
_close:
snd_ctl_close(handle);
return err;
@ -528,21 +516,9 @@ static int get_controls(int cardno, snd_config_t *top)
static int config_iface(snd_config_t *n)
{
static struct {
int val;
char *str;
} v[] = {
{ SND_CONTROL_IFACE_CARD, "card" },
{ SND_CONTROL_IFACE_HWDEP, "hwdep" },
{ SND_CONTROL_IFACE_MIXER, "mixer" },
{ SND_CONTROL_IFACE_PCM, "pcm" },
{ SND_CONTROL_IFACE_RAWMIDI, "rawmidi" },
{ SND_CONTROL_IFACE_TIMER, "timer" },
{ SND_CONTROL_IFACE_SEQUENCER, "sequencer" }
};
unsigned long i;
unsigned int idx;
char *str;
snd_control_iface_t idx;
const char *str;
switch (snd_enum_to_int(snd_config_type(n))) {
case SND_CONFIG_TYPE_INTEGER:
snd_config_integer_get(n, &i);
@ -553,16 +529,16 @@ static int config_iface(snd_config_t *n)
default:
return -1;
}
for (idx = 0; idx < sizeof(v) / sizeof(v[0]); ++idx) {
if (strcmp(v[idx].str, str) == 0)
return idx;
for (idx = 0; idx <= SND_CONTROL_IFACE_LAST; snd_enum_incr(idx)) {
if (strcasecmp(snd_control_iface_name(idx), str) == 0)
return snd_enum_to_int(idx);
}
return -1;
}
static int config_bool(snd_config_t *n)
{
char *str;
const char *str;
long val;
switch (snd_enum_to_int(snd_config_type(n))) {
case SND_CONFIG_TYPE_INTEGER:
@ -586,9 +562,9 @@ static int config_bool(snd_config_t *n)
static int config_enumerated(snd_config_t *n, snd_ctl_t *handle,
snd_control_info_t *info)
{
char *str;
const char *str;
long val;
unsigned int idx;
unsigned int idx, items;
switch (snd_enum_to_int(snd_config_type(n))) {
case SND_CONFIG_TYPE_INTEGER:
snd_config_integer_get(n, &val);
@ -599,15 +575,16 @@ static int config_enumerated(snd_config_t *n, snd_ctl_t *handle,
default:
return -1;
}
for (idx = 0; idx < info->value.enumerated.items; idx++) {
items = snd_control_info_get_items(info);
for (idx = 0; idx < items; idx++) {
int err;
info->value.enumerated.item = idx;
snd_control_info_set_item(info, idx);
err = snd_ctl_cinfo(handle, info);
if (err < 0) {
error("snd_ctl_info: %s", snd_strerror(err));
return err;
}
if (strcmp(str, info->value.enumerated.name) == 0)
if (strcmp(str, snd_control_info_get_name(info)) == 0)
return idx;
}
return -1;
@ -615,20 +592,26 @@ static int config_enumerated(snd_config_t *n, snd_ctl_t *handle,
static int set_control(snd_ctl_t *handle, snd_config_t *control)
{
snd_control_t ctl;
snd_control_info_t info;
snd_control_t *ctl;
snd_control_info_t *info;
snd_config_iterator_t i;
unsigned int numid1, iface1, device1, subdevice1, index1;
const char *name1;
unsigned int numid;
snd_control_type_t type;
unsigned int count;
long iface = -1;
long device = -1;
long subdevice = -1;
char *name = NULL;
const char *name = NULL;
long index = -1;
snd_config_t *value = NULL;
long val;
unsigned int idx;
int err;
char *set;
snd_control_alloca(&ctl);
snd_control_info_alloca(&info);
if (snd_config_type(control) != SND_CONFIG_TYPE_COMPOUND) {
error("control is not a compound");
return -EINVAL;
@ -695,63 +678,70 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control)
subdevice = 0;
if (index < 0)
index = 0;
memset(&info, 0, sizeof(info));
info.id.numid = numid;
err = snd_ctl_cinfo(handle, &info);
snd_control_info_set_numid(info, numid);
err = snd_ctl_cinfo(handle, info);
if (err < 0) {
if (iface >= 0 && name) {
info.id.numid = 0;
info.id.iface = iface;
info.id.device = device;
info.id.subdevice = subdevice;
strncmp(info.id.name, name, sizeof(info.id.name));
info.id.index = index;
err = snd_ctl_cinfo(handle, &info);
snd_control_info_set_numid(info, 0);
snd_control_info_set_interface(info, snd_int_to_enum(iface));
snd_control_info_set_device(info, device);
snd_control_info_set_subdevice(info, subdevice);
snd_control_info_set_name(info, name);
snd_control_info_set_index(info, index);
err = snd_ctl_cinfo(handle, info);
}
}
if (err < 0) {
error("failed to obtain info for control #%d (%s)", numid, snd_strerror(err));
return -ENOENT;
}
if (info.id.numid != numid)
error("warning: numid mismatch (%d/%d) for control #%d", numid, info.id.numid, numid);
if (info.id.iface != iface)
error("warning: iface mismatch (%ld/%d) for control #%d", iface, info.id.iface, numid);
if (info.id.device != device)
error("warning: device mismatch (%ld/%d) for control #%d", device, info.id.device, numid);
if (info.id.subdevice != subdevice)
error("warning: subdevice mismatch (%ld/%d) for control #%d", subdevice, info.id.subdevice, numid);
if (strcmp(info.id.name, name))
error("warning: name mismatch (%s/%s) for control #%d", name, info.id.name, numid);
if (info.id.index != index)
error("warning: index mismatch (%ld/%d) for control #%d", index, info.id.index, numid);
numid1 = snd_control_info_get_numid(info);
iface1 = snd_enum_to_int(snd_control_info_get_interface(info));
device1 = snd_control_info_get_device(info);
subdevice1 = snd_control_info_get_subdevice(info);
name1 = snd_control_info_get_name(info);
index1 = snd_control_info_get_index(info);
count = snd_control_info_get_count(info);
type = snd_control_info_get_type(info);
if (numid != numid1)
error("warning: numid mismatch (%d/%d) for control #%d",
numid, numid1, numid);
if (iface != iface1)
error("warning: iface mismatch (%ld/%d) for control #%d", iface, iface1, numid);
if (device != device1)
error("warning: device mismatch (%ld/%d) for control #%d", device, device1, numid);
if (subdevice != subdevice1)
error("warning: subdevice mismatch (%ld/%d) for control #%d", subdevice, subdevice1, numid);
if (strcmp(name, name1))
error("warning: name mismatch (%s/%s) for control #%d", name, name1, numid);
if (index != index1)
error("warning: index mismatch (%ld/%d) for control #%d", index, index1, numid);
if (!(info.access & SND_CONTROL_ACCESS_WRITE))
if (!snd_control_info_is_writable(info))
return 0;
snd_control_set_numid(ctl, numid);
memset(&ctl, 0, sizeof(ctl));
ctl.id = info.id;
if (info.values_count == 1) {
switch (info.type) {
if (count == 1) {
switch (snd_enum_to_int(type)) {
case SND_CONTROL_TYPE_BOOLEAN:
val = config_bool(value);
if (val >= 0) {
ctl.value.integer.value[0] = val;
snd_control_set_boolean(ctl, 0, val);
goto _ok;
}
break;
case SND_CONTROL_TYPE_INTEGER:
err = snd_config_integer_get(value, &val);
if (err == 0) {
ctl.value.integer.value[0] = val;
snd_control_set_integer(ctl, 0, val);
goto _ok;
}
break;
case SND_CONTROL_TYPE_ENUMERATED:
val = config_enumerated(value, handle, &info);
val = config_enumerated(value, handle, info);
if (val >= 0) {
ctl.value.enumerated.item[0] = val;
snd_control_set_enumerated(ctl, 0, val);
goto _ok;
}
break;
@ -759,47 +749,47 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control)
case SND_CONTROL_TYPE_IEC958:
break;
default:
error("Unknow control type: %d", info.type);
error("Unknow control type: %d", snd_enum_to_int(type));
return -EINVAL;
}
}
switch (info.type) {
switch (snd_enum_to_int(type)) {
case SND_CONTROL_TYPE_BYTES:
case SND_CONTROL_TYPE_IEC958:
{
char *buf;
err = snd_config_string_get(value, &buf);
if (err >= 0) {
int c1 = 0;
int len = strlen(buf);
unsigned int idx = 0;
int count = info.type == SND_CONTROL_TYPE_BYTES ?
info.values_count : sizeof(snd_aes_iec958_t);
if (count * 2 != len) {
{
const char *buf;
err = snd_config_string_get(value, &buf);
if (err >= 0) {
int c1 = 0;
int len = strlen(buf);
unsigned int idx = 0;
int size = type == SND_CONTROL_TYPE_BYTES ?
count : sizeof(snd_aes_iec958_t);
if (size * 2 != len) {
error("bad control.%d.value contents\n", numid);
return -EINVAL;
}
while (*buf) {
int c = *buf++;
if (c >= '0' && c <= '9')
c -= '0';
else if (c <= 'a' && c <= 'f')
c = c - 'a' + 10;
else if (c <= 'A' && c <= 'F')
c = c - 'A' + 10;
else {
error("bad control.%d.value contents\n", numid);
return -EINVAL;
}
while (*buf) {
int c = *buf++;
if (c >= '0' && c <= '9')
c -= '0';
else if (c <= 'a' && c <= 'f')
c = c - 'a' + 10;
else if (c <= 'A' && c <= 'F')
c = c - 'A' + 10;
else {
error("bad control.%d.value contents\n", numid);
return -EINVAL;
}
idx++;
if (idx % 2 == 0)
ctl.value.bytes.data[idx / 2] = c1 << 4 | c;
else
c1 = c;
}
goto _ok;
idx++;
if (idx % 2 == 0)
snd_control_set_byte(ctl, idx / 2, c1 << 4 | c);
else
c1 = c;
}
goto _ok;
}
}
default:
break;
}
@ -808,24 +798,24 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control)
return -EINVAL;
}
set = alloca(info.values_count);
memset(set, 0, info.values_count);
set = alloca(count);
memset(set, 0, count);
snd_config_foreach(i, value) {
snd_config_t *n = snd_config_entry(i);
idx = atoi(snd_config_id(n));
if (idx < 0 || idx >= info.values_count ||
if (idx < 0 || idx >= count ||
set[idx]) {
error("bad control.%d.value index", numid);
return -EINVAL;
}
switch (info.type) {
switch (snd_enum_to_int(type)) {
case SND_CONTROL_TYPE_BOOLEAN:
val = config_bool(n);
if (val < 0) {
error("bad control.%d.value.%d content", numid, idx);
return -EINVAL;
}
ctl.value.integer.value[idx] = val;
snd_control_set_boolean(ctl, idx, val);
break;
case SND_CONTROL_TYPE_INTEGER:
err = snd_config_integer_get(n, &val);
@ -833,15 +823,15 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control)
error("bad control.%d.value.%d content", numid, idx);
return -EINVAL;
}
ctl.value.integer.value[idx] = val;
snd_control_set_integer(ctl, idx, val);
break;
case SND_CONTROL_TYPE_ENUMERATED:
val = config_enumerated(n, handle, &info);
val = config_enumerated(n, handle, info);
if (val < 0) {
error("bad control.%d.value.%d content", numid, idx);
return -EINVAL;
}
ctl.value.enumerated.item[idx] = val;
snd_control_set_enumerated(ctl, idx, val);
break;
case SND_CONTROL_TYPE_BYTES:
case SND_CONTROL_TYPE_IEC958:
@ -850,14 +840,14 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control)
error("bad control.%d.value.%d content", numid, idx);
return -EINVAL;
}
ctl.value.bytes.data[idx] = val;
snd_control_set_byte(ctl, idx, val);
break;
default:
break;
}
set[idx] = 1;
}
for (idx = 0; idx < info.values_count; ++idx) {
for (idx = 0; idx < count; ++idx) {
if (!set[idx]) {
error("control.%d.value.%d is not specified", numid, idx);
return -EINVAL;
@ -865,9 +855,12 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control)
}
_ok:
err = snd_ctl_cwrite(handle, &ctl);
err = snd_ctl_cwrite(handle, ctl);
if (err < 0) {
error("Cannot write control '%s': %s", id_str(&ctl.id), snd_strerror(err));
snd_control_id_t *id;
snd_control_id_alloca(&id);
snd_control_get_id(ctl, id);
error("Cannot write control '%s': %s", id_str(id), snd_strerror(err));
return err;
}
return 0;
@ -876,11 +869,13 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control)
static int set_controls(int card, snd_config_t *top)
{
snd_ctl_t *handle;
snd_ctl_hw_info_t info;
snd_ctl_info_t *info;
snd_config_t *control;
snd_config_iterator_t i;
int err;
char name[32];
const char *id;
snd_ctl_info_alloca(&info);
sprintf(name, "hw:%d", card);
err = snd_ctl_open(&handle, name);
@ -888,19 +883,20 @@ static int set_controls(int card, snd_config_t *top)
error("snd_ctl_open error: %s", snd_strerror(err));
return err;
}
err = snd_ctl_hw_info(handle, &info);
err = snd_ctl_info(handle, info);
if (err < 0) {
error("snd_ctl_hw_info error: %s", snd_strerror(err));
error("snd_ctl_info error: %s", snd_strerror(err));
goto _close;
}
err = snd_config_searchv(top, &control, "state", info.id, "control", 0);
id = snd_ctl_info_get_id(info);
err = snd_config_searchv(top, &control, "state", id, "control", 0);
if (err < 0) {
err = 0;
fprintf(stderr, "No state is present for card %s\n", info.id);
fprintf(stderr, "No state is present for card %s\n", id);
goto _close;
}
if (snd_config_type(control) != SND_CONFIG_TYPE_COMPOUND) {
error("state.%s.control is not a compound\n", info.id);
error("state.%s.control is not a compound\n", id);
return -EINVAL;
}
snd_config_foreach(i, control) {

View file

@ -1213,14 +1213,15 @@ mixer_show_procinfo (void)
static void
mixer_init (void)
{
snd_ctl_hw_info_t hw_info;
snd_ctl_info_t *hw_info;
snd_ctl_t *ctl_handle;
int err;
snd_ctl_info_alloca(&hw_info);
if ((err = snd_ctl_open (&ctl_handle, card_id)) < 0)
mixer_abort (ERR_OPEN, "snd_ctl_open", err);
if ((err = snd_ctl_hw_info (ctl_handle, &hw_info)) < 0)
mixer_abort (ERR_FCN, "snd_ctl_hw_info", err);
if ((err = snd_ctl_info (ctl_handle, hw_info)) < 0)
mixer_abort (ERR_FCN, "snd_ctl_info", err);
snd_ctl_close (ctl_handle);
/* open mixer device
*/
@ -1229,8 +1230,8 @@ mixer_init (void)
/* setup global variables
*/
strcpy(mixer_card_name, hw_info.name);
strcpy(mixer_device_name, hw_info.mixername);
strcpy(mixer_card_name, snd_ctl_info_get_name(hw_info));
strcpy(mixer_device_name, snd_ctl_info_get_mixername(hw_info));
}
static void

View file

@ -77,26 +77,28 @@ static int info(void)
int err;
snd_ctl_t *handle;
snd_mixer_t *mhandle;
snd_ctl_hw_info_t info;
snd_control_list_t clist;
snd_ctl_info_t *info;
snd_control_list_t *clist;
snd_mixer_simple_control_list_t slist;
snd_ctl_info_alloca(&info);
snd_control_list_alloca(&clist);
if ((err = snd_ctl_open(&handle, card)) < 0) {
error("Control device %i open error: %s", card, snd_strerror(err));
return err;
}
if ((err = snd_ctl_hw_info(handle, &info)) < 0) {
if ((err = snd_ctl_info(handle, info)) < 0) {
error("Control device %i hw info error: %s", card, snd_strerror(err));
return err;
}
printf("Card %s '%s'/'%s'\n", card, info.id, info.longname);
printf(" Mixer ID : '%s'\n", info.mixerid);
printf(" Mixer name : '%s'\n", info.mixername);
memset(&clist, 0, sizeof(clist));
if ((err = snd_ctl_clist(handle, &clist)) < 0) {
printf("Card %s '%s'/'%s'\n", card, snd_ctl_info_get_id(info),
snd_ctl_info_get_longname(info));
printf(" Mixer ID : '%s'\n", snd_ctl_info_get_mixerid(info));
printf(" Mixer name : '%s'\n", snd_ctl_info_get_mixername(info));
if ((err = snd_ctl_clist(handle, clist)) < 0) {
error("snd_ctl_clist failure: %s", snd_strerror(err));
} else {
printf(" Controls : %i\n", clist.controls);
printf(" Controls : %i\n", snd_control_list_get_count(clist));
}
snd_ctl_close(handle);
if ((err = snd_mixer_open(&mhandle, card)) < 0) {
@ -112,62 +114,26 @@ static int info(void)
return 0;
}
static snd_control_id_t __control_id ATTRIBUTE_UNUSED;
#define control_name_size (sizeof(__control_id.name)+1)
static char *control_name(const char *name, char *result)
static const char *control_iface(snd_control_id_t *id)
{
strncpy(result, name, control_name_size);
result[control_name_size] = '\0';
return result;
return snd_control_iface_name(snd_control_id_get_interface(id));
}
#define control_iface_size 16
static char *control_iface(snd_control_iface_t iface, char *result)
static const char *control_type(snd_control_info_t *info)
{
char *s;
switch (iface) {
case SND_CONTROL_IFACE_CARD: s = "card"; break;
case SND_CONTROL_IFACE_HWDEP: s = "hwdep"; break;
case SND_CONTROL_IFACE_MIXER: s = "mixer"; break;
case SND_CONTROL_IFACE_PCM: s = "pcm"; break;
case SND_CONTROL_IFACE_RAWMIDI: s = "rawmidi"; break;
case SND_CONTROL_IFACE_TIMER: s = "timer"; break;
case SND_CONTROL_IFACE_SEQUENCER: s = "sequencer"; break;
default: s = "unknown"; break;
}
return strcpy(result, s);
return snd_control_type_name(snd_control_info_get_type(info));
}
#define control_type_size 16
static char *control_type(snd_control_type_t type, char *result)
{
char *s;
switch (type) {
case SND_CONTROL_TYPE_NONE: s = "none"; break;
case SND_CONTROL_TYPE_BOOLEAN: s = "boolean"; break;
case SND_CONTROL_TYPE_INTEGER: s = "integer"; break;
case SND_CONTROL_TYPE_ENUMERATED: s = "enumerated"; break;
case SND_CONTROL_TYPE_BYTES: s = "bytes"; break;
default: s = "unknown"; break;
}
return strcpy(result, s);
}
#define control_access_size 32
static char *control_access(unsigned int access, char *result)
static const char *control_access(snd_control_info_t *info)
{
static char result[10];
char *res = result;
*res++ = (access & SND_CONTROL_ACCESS_READ) ? 'r' : '-';
*res++ = (access & SND_CONTROL_ACCESS_WRITE) ? 'w' : '-';
*res++ = (access & SND_CONTROL_ACCESS_INACTIVE) ? 'i' : '-';
*res++ = (access & SND_CONTROL_ACCESS_LOCK) ? 'l' : '-';
*res++ = snd_control_info_is_readable(info) ? 'r' : '-';
*res++ = snd_control_info_is_writable(info) ? 'w' : '-';
*res++ = snd_control_info_is_inactive(info) ? 'i' : '-';
*res++ = snd_control_info_is_volatile(info) ? 'v' : '-';
*res++ = snd_control_info_is_locked(info) ? 'l' : '-';
*res++ = '\0';
return result;
}
@ -329,80 +295,92 @@ static int get_volume_simple(char **ptr, int min, int max, int orig)
static void show_control_id(snd_control_id_t *id)
{
char name[control_name_size];
char iface[control_iface_size];
printf("numid=%u,iface=%s,name='%s'", id->numid, control_iface(id->iface, iface), control_name(id->name, name));
if (id->index)
printf(",index=%i", id->index);
if (id->device)
printf(",device=%i", id->device);
if (id->subdevice)
printf(",subdevice=%i", id->subdevice);
unsigned int index, device, subdevice;
printf("numid=%u,iface=%s,name='%s'",
snd_control_id_get_numid(id),
control_iface(id),
snd_control_id_get_name(id));
index = snd_control_id_get_index(id);
device = snd_control_id_get_device(id);
subdevice = snd_control_id_get_subdevice(id);
if (index)
printf(",index=%i", index);
if (device)
printf(",device=%i", device);
if (subdevice)
printf(",subdevice=%i", subdevice);
}
static int show_control(const char *space, snd_ctl_t *handle, snd_control_id_t *id, int level)
{
int err;
unsigned int item, idx;
snd_control_info_t info;
snd_control_t control;
char type[control_type_size];
char access[control_access_size];
memset(&info, 0, sizeof(info));
info.id = *id;
if ((err = snd_ctl_cinfo(handle, &info)) < 0) {
snd_control_info_t *info;
snd_control_t *control;
unsigned int count;
snd_control_type_t type;
snd_control_info_alloca(&info);
snd_control_alloca(&control);
snd_control_info_set_id(info, id);
if ((err = snd_ctl_cinfo(handle, info)) < 0) {
error("Control %s cinfo error: %s\n", card, snd_strerror(err));
return err;
}
if (level & 2) {
show_control_id(&info.id);
snd_control_info_get_id(info, id);
show_control_id(id);
printf("\n");
}
printf("%s; type=%s,access=%s,values=%i", space, control_type(info.type, type), control_access(info.access, access), info.values_count);
switch (info.type) {
count = snd_control_info_get_count(info);
type = snd_control_info_get_type(info);
printf("%s; type=%s,access=%s,values=%i", space, control_type(info), control_access(info), count);
switch (snd_enum_to_int(type)) {
case SND_CONTROL_TYPE_INTEGER:
printf(",min=%li,max=%li,step=%li\n", info.value.integer.min, info.value.integer.max, info.value.integer.step);
printf(",min=%li,max=%li,step=%li\n",
snd_control_info_get_min(info),
snd_control_info_get_max(info),
snd_control_info_get_step(info));
break;
case SND_CONTROL_TYPE_ENUMERATED:
printf(",items=%u\n", info.value.enumerated.items);
for (item = 0; item < info.value.enumerated.items; item++) {
info.value.enumerated.item = item;
if ((err = snd_ctl_cinfo(handle, &info)) < 0) {
{
unsigned int items = snd_control_info_get_items(info);
printf(",items=%u\n", items);
for (item = 0; item < items; item++) {
snd_control_info_set_item(info, item);
if ((err = snd_ctl_cinfo(handle, info)) < 0) {
error("Control %s cinfo error: %s\n", card, snd_strerror(err));
return err;
}
printf("%s; Item #%u '%s'\n", space, item, info.value.enumerated.name);
printf("%s; Item #%u '%s'\n", space, item, snd_control_info_get_item_name(info));
}
break;
}
default:
printf("\n");
break;
}
if (level & 1) {
memset(&control, 0, sizeof(control));
control.id = *id;
if ((err = snd_ctl_cread(handle, &control)) < 0) {
snd_control_set_id(control, id);
if ((err = snd_ctl_cread(handle, control)) < 0) {
error("Control %s cread error: %s\n", card, snd_strerror(err));
return err;
}
printf("%s: values=", space);
for (idx = 0; idx < info.values_count; idx++) {
for (idx = 0; idx < count; idx++) {
if (idx > 0)
printf(",");
switch (info.type) {
switch (snd_enum_to_int(type)) {
case SND_CONTROL_TYPE_BOOLEAN:
printf("%s", control.value.integer.value[idx] ? "on" : "off");
printf("%s", snd_control_get_boolean(control, idx) ? "on" : "off");
break;
case SND_CONTROL_TYPE_INTEGER:
printf("%li", control.value.integer.value[idx]);
printf("%li", snd_control_get_integer(control, idx));
break;
case SND_CONTROL_TYPE_ENUMERATED:
printf("%u", control.value.enumerated.item[idx]);
printf("%u", snd_control_get_enumerated(control, idx));
break;
case SND_CONTROL_TYPE_BYTES:
printf("0x%02x", control.value.bytes.data[idx]);
printf("0x%02x", snd_control_get_byte(control, idx));
break;
default:
printf("?");
@ -419,7 +397,11 @@ static int controls(int level)
int err;
unsigned int idx;
snd_ctl_t *handle;
snd_hcontrol_list_t list;
unsigned int count;
snd_hcontrol_list_t *list;
snd_control_id_t *id;
snd_hcontrol_list_alloca(&list);
snd_control_id_alloca(&id);
if ((err = snd_ctl_open(&handle, card)) < 0) {
error("Control %s open error: %s", card, snd_strerror(err));
@ -429,28 +411,28 @@ static int controls(int level)
error("Control %s hbuild error: %s\n", card, snd_strerror(err));
return err;
}
memset(&list, 0, sizeof(list));
if ((err = snd_ctl_hlist(handle, &list)) < 0) {
if ((err = snd_ctl_hlist(handle, list)) < 0) {
error("Control %s clist error: %s", card, snd_strerror(err));
return err;
}
list.pids = (snd_control_id_t *)malloc(list.controls * sizeof(snd_control_id_t));
if (list.pids == NULL) {
count = snd_hcontrol_list_get_count(list);
snd_hcontrol_list_set_offset(list, 0);
if (snd_hcontrol_list_alloc_space(list, count) < 0) {
error("Not enough memory");
return -ENOMEM;
}
list.controls_request = list.controls;
if ((err = snd_ctl_hlist(handle, &list)) < 0) {
if ((err = snd_ctl_hlist(handle, list)) < 0) {
error("Control %s hlist error: %s", card, snd_strerror(err));
return err;
}
for (idx = 0; idx < list.controls; idx++) {
show_control_id(list.pids + idx);
for (idx = 0; idx < count; idx++) {
snd_hcontrol_list_get_id(list, idx, id);
show_control_id(id);
printf("\n");
if (level > 0)
show_control(" ", handle, list.pids + idx, 1);
show_control(" ", handle, id, 1);
}
free(list.pids);
snd_hcontrol_list_free_space(list);
snd_ctl_close(handle);
return 0;
}
@ -566,44 +548,45 @@ static int parse_control_id(const char *str, snd_control_id_t *id)
str++;
if (!(*str))
return -EINVAL;
memset(id, 0, sizeof(*id));
id->iface = SND_CONTROL_IFACE_MIXER; /* default */
snd_control_id_set_interface(id, SND_CONTROL_IFACE_MIXER); /* default */
while (*str) {
if (!strncasecmp(str, "numid=", 6)) {
id->numid = atoi(str += 6);
str += 6;
snd_control_id_set_numid(id, atoi(str));
while (isdigit(*str))
str++;
} else if (!strncasecmp(str, "iface=", 6)) {
str += 6;
if (!strncasecmp(str, "card", 4)) {
id->iface = SND_CONTROL_IFACE_CARD;
snd_control_id_set_interface(id, SND_CONTROL_IFACE_CARD);
str += 4;
} else if (!strncasecmp(str, "mixer", 5)) {
id->iface = SND_CONTROL_IFACE_MIXER;
snd_control_id_set_interface(id, SND_CONTROL_IFACE_MIXER);
str += 5;
} else if (!strncasecmp(str, "pcm", 3)) {
id->iface = SND_CONTROL_IFACE_PCM;
snd_control_id_set_interface(id, SND_CONTROL_IFACE_PCM);
str += 3;
} else if (!strncasecmp(str, "rawmidi", 7)) {
id->iface = SND_CONTROL_IFACE_RAWMIDI;
snd_control_id_set_interface(id, SND_CONTROL_IFACE_RAWMIDI);
str += 7;
} else if (!strncasecmp(str, "timer", 5)) {
id->iface = SND_CONTROL_IFACE_TIMER;
snd_control_id_set_interface(id, SND_CONTROL_IFACE_TIMER);
str += 5;
} else if (!strncasecmp(str, "sequencer", 9)) {
id->iface = SND_CONTROL_IFACE_SEQUENCER;
snd_control_id_set_interface(id, SND_CONTROL_IFACE_SEQUENCER);
str += 9;
} else {
return -EINVAL;
}
} else if (!strncasecmp(str, "name=", 5)) {
char buf[64];
str += 5;
ptr = id->name;
ptr = buf;
size = 0;
if (*str == '\'' || *str == '\"') {
c = *str++;
while (*str && *str != c) {
if (size < sizeof(id->name)) {
if (size < sizeof(buf)) {
*ptr++ = *str;
size++;
}
@ -613,7 +596,7 @@ static int parse_control_id(const char *str, snd_control_id_t *id)
str++;
} else {
while (*str && *str != ',') {
if (size < sizeof(id->name)) {
if (size < sizeof(buf)) {
*ptr++ = *str;
size++;
}
@ -621,16 +604,20 @@ static int parse_control_id(const char *str, snd_control_id_t *id)
}
*ptr = '\0';
}
snd_control_id_set_name(id, buf);
} else if (!strncasecmp(str, "index=", 6)) {
id->index = atoi(str += 6);
str += 6;
snd_control_id_set_index(id, atoi(str));
while (isdigit(*str))
str++;
} else if (!strncasecmp(str, "device=", 7)) {
id->device = atoi(str += 7);
str += 7;
snd_control_id_set_device(id, atoi(str));
while (isdigit(*str))
str++;
} else if (!strncasecmp(str, "subdevice=", 10)) {
id->subdevice = atoi(str += 10);
str += 10;
snd_control_id_set_subdevice(id, atoi(str));
while (isdigit(*str))
str++;
}
@ -691,42 +678,47 @@ static int cset(int argc, char *argv[], int roflag)
{
int err;
snd_ctl_t *handle;
snd_control_info_t info;
snd_control_id_t id;
snd_control_t control;
snd_control_info_t *info;
snd_control_id_t *id;
snd_control_t *control;
char *ptr;
unsigned int idx;
unsigned int idx, count;
long tmp;
snd_control_type_t type;
snd_control_info_alloca(&info);
snd_control_id_alloca(&id);
snd_control_alloca(&control);
if (argc < 1) {
fprintf(stderr, "Specify a full control identifier: [[iface=<iface>,][name='name',][index=<index>,][device=<device>,][subdevice=<subdevice>]]|[numid=<numid>]\n");
return -EINVAL;
}
if (parse_control_id(argv[0], &id)) {
if (parse_control_id(argv[0], id)) {
fprintf(stderr, "Wrong control identifier: %s\n", argv[0]);
return -EINVAL;
}
if (debugflag) {
printf("VERIFY ID: ");
show_control_id(&id);
show_control_id(id);
printf("\n");
}
if ((err = snd_ctl_open(&handle, card)) < 0) {
error("Control %s open error: %s\n", card, snd_strerror(err));
return err;
}
memset(&info, 0, sizeof(info));
memset(&control, 0, sizeof(control));
info.id = id;
control.id = id;
if ((err = snd_ctl_cinfo(handle, &info)) < 0) {
snd_control_info_set_id(info, id);
if ((err = snd_ctl_cinfo(handle, info)) < 0) {
error("Control %s cinfo error: %s\n", card, snd_strerror(err));
return err;
}
type = snd_control_info_get_type(info);
count = snd_control_info_get_count(info);
snd_control_set_id(control, id);
if (!roflag) {
ptr = argv[1];
for (idx = 0; idx < info.values_count && idx < 128 && *ptr; idx++) {
switch (info.type) {
for (idx = 0; idx < count && idx < 128 && *ptr; idx++) {
switch (snd_enum_to_int(type)) {
case SND_CONTROL_TYPE_BOOLEAN:
tmp = 0;
if (!strncasecmp(ptr, "on", 2) || !strncasecmp(ptr, "up", 2)) {
@ -740,21 +732,21 @@ static int cset(int argc, char *argv[], int roflag)
while (isdigit(*ptr))
ptr++;
}
control.value.integer.value[idx] = tmp;
snd_control_set_boolean(control, idx, tmp);
break;
case SND_CONTROL_TYPE_INTEGER:
tmp = get_integer(&ptr,
info.value.integer.min,
info.value.integer.max);
control.value.integer.value[idx] = tmp;
snd_control_info_get_min(info),
snd_control_info_get_max(info));
snd_control_set_integer(control, idx, tmp);
break;
case SND_CONTROL_TYPE_ENUMERATED:
tmp = get_integer(&ptr, 0, info.value.enumerated.items - 1);
control.value.enumerated.item[idx] = tmp;
tmp = get_integer(&ptr, 0, snd_control_info_get_items(info) - 1);
snd_control_set_enumerated(control, idx, tmp);
break;
case SND_CONTROL_TYPE_BYTES:
tmp = get_integer(&ptr, 0, info.value.enumerated.items - 1);
control.value.bytes.data[idx] = tmp;
tmp = get_integer(&ptr, 0, 255);
snd_control_set_byte(control, idx, tmp);
break;
default:
break;
@ -764,13 +756,13 @@ static int cset(int argc, char *argv[], int roflag)
else if (*ptr == ',')
ptr++;
}
if ((err = snd_ctl_cwrite(handle, &control)) < 0) {
if ((err = snd_ctl_cwrite(handle, control)) < 0) {
error("Control %s cwrite error: %s\n", card, snd_strerror(err));
return err;
}
}
if (!quiet)
show_control(" ", handle, &id, 3);
show_control(" ", handle, id, 3);
snd_ctl_close(handle);
return 0;
}
@ -902,22 +894,31 @@ static int sset(unsigned int argc, char *argv[], int roflag)
static void events_change(snd_ctl_t *handle ATTRIBUTE_UNUSED, snd_hcontrol_t *hcontrol)
{
snd_control_id_t *id;
snd_control_id_alloca(&id);
snd_hcontrol_get_id(hcontrol, id);
printf("event change: ");
show_control_id(&hcontrol->id);
show_control_id(id);
printf("\n");
}
static void events_value(snd_ctl_t *handle ATTRIBUTE_UNUSED, snd_hcontrol_t *hcontrol)
{
snd_control_id_t *id;
snd_control_id_alloca(&id);
snd_hcontrol_get_id(hcontrol, id);
printf("event value: ");
show_control_id(&hcontrol->id);
show_control_id(id);
printf("\n");
}
static void events_remove(snd_ctl_t *handle ATTRIBUTE_UNUSED, snd_hcontrol_t *hcontrol)
{
snd_control_id_t *id;
snd_control_id_alloca(&id);
snd_hcontrol_get_id(hcontrol, id);
printf("event remove: ");
show_control_id(&hcontrol->id);
show_control_id(id);
printf("\n");
}
@ -929,13 +930,16 @@ static void events_rebuild(snd_ctl_t *handle ATTRIBUTE_UNUSED, void *private_dat
static void events_add(snd_ctl_t *handle ATTRIBUTE_UNUSED, void *private_data, snd_hcontrol_t *hcontrol)
{
snd_control_id_t *id;
snd_control_id_alloca(&id);
snd_hcontrol_get_id(hcontrol, id);
assert(private_data != (void *)1);
printf("event add: ");
show_control_id(&hcontrol->id);
show_control_id(id);
printf("\n");
hcontrol->event_change = events_change;
hcontrol->event_value = events_value;
hcontrol->event_remove = events_remove;
snd_hcontrol_set_callback_change(hcontrol, events_change);
snd_hcontrol_set_callback_value(hcontrol, events_value);
snd_hcontrol_set_callback_remove(hcontrol, events_remove);
}
static int events(int argc ATTRIBUTE_UNUSED, char *argv[] ATTRIBUTE_UNUSED)
@ -961,9 +965,9 @@ static int events(int argc ATTRIBUTE_UNUSED, char *argv[] ATTRIBUTE_UNUSED)
return err;
}
for (hcontrol = snd_ctl_hfirst(handle); hcontrol; hcontrol = snd_ctl_hnext(handle, hcontrol)) {
hcontrol->event_change = events_change;
hcontrol->event_value = events_value;
hcontrol->event_remove = events_remove;
snd_hcontrol_set_callback_change(hcontrol, events_change);
snd_hcontrol_set_callback_value(hcontrol, events_value);
snd_hcontrol_set_callback_remove(hcontrol, events_remove);
}
printf("Ready to listen...\n");
while (1) {

View file

@ -83,8 +83,8 @@ static int verbose = 0;
static int buffer_pos = 0;
static size_t bits_per_sample, bits_per_frame;
static size_t chunk_bytes;
static int digtype = SND_CONTROL_TYPE_NONE;
static snd_digital_audio_t diga;
static snd_control_type_t digtype = SND_CONTROL_TYPE_NONE;
static snd_aes_iec958_t spdif;
static snd_output_t *log;
static int count;
@ -173,8 +173,9 @@ static void device_list(void)
{
snd_ctl_t *handle;
int card, err, dev, idx;
snd_ctl_hw_info_t info;
snd_ctl_info_t *info;
snd_pcm_info_t *pcminfo;
snd_ctl_info_alloca(&info);
snd_pcm_info_alloca(&pcminfo);
card = -1;
@ -189,7 +190,7 @@ static void device_list(void)
error("control open (%i): %s", card, snd_strerror(err));
continue;
}
if ((err = snd_ctl_hw_info(handle, &info)) < 0) {
if ((err = snd_ctl_info(handle, info)) < 0) {
error("control hardware info (%i): %s", card, snd_strerror(err));
snd_ctl_close(handle);
continue;
@ -210,7 +211,7 @@ static void device_list(void)
continue;
}
fprintf(stderr, "card %i: %s [%s], device %i: %s [%s]\n",
card, info.id, info.name,
card, snd_ctl_info_get_id(info), snd_ctl_info_get_name(info),
dev,
snd_pcm_info_get_id(pcminfo),
snd_pcm_info_get_name(pcminfo));
@ -312,7 +313,7 @@ int main(int argc, char *argv[])
rhwparams.format = SND_PCM_FORMAT_U8;
rhwparams.rate = DEFAULT_SPEED;
rhwparams.channels = 1;
memset(&diga, 0, sizeof(diga));
memset(&spdif, 0, sizeof(spdif));
while ((c = getopt_long(argc, argv, short_options, long_options, &option_index)) != -1) {
switch (c) {
@ -410,23 +411,23 @@ int main(int argc, char *argv[])
break;
case 'C':
digtype = SND_CONTROL_TYPE_IEC958;
diga.aes.status[0] = IEC958_AES0_NONAUDIO |
spdif.status[0] = IEC958_AES0_NONAUDIO |
IEC958_AES0_CON_EMPHASIS_NONE;
diga.aes.status[1] = IEC958_AES1_CON_ORIGINAL |
spdif.status[1] = IEC958_AES1_CON_ORIGINAL |
IEC958_AES1_CON_PCM_CODER;
diga.aes.status[2] = 0;
diga.aes.status[3] = IEC958_AES3_CON_FS_48000;
spdif.status[2] = 0;
spdif.status[3] = IEC958_AES3_CON_FS_48000;
break;
case 'P':
digtype = SND_CONTROL_TYPE_IEC958;
diga.aes.status[0] = IEC958_AES0_PROFESSIONAL |
spdif.status[0] = IEC958_AES0_PROFESSIONAL |
IEC958_AES0_NONAUDIO |
IEC958_AES0_PRO_EMPHASIS_NONE |
IEC958_AES0_PRO_FS_48000;
diga.aes.status[1] = IEC958_AES1_PRO_MODE_NOTID |
spdif.status[1] = IEC958_AES1_PRO_MODE_NOTID |
IEC958_AES1_PRO_USERBITS_NOTID;
diga.aes.status[2] = IEC958_AES2_PRO_WORDLEN_NOTID;
diga.aes.status[3] = 0;
spdif.status[2] = IEC958_AES2_PRO_WORDLEN_NOTID;
spdif.status[3] = 0;
break;
default:
fprintf(stderr, "Try `%s --help' for more information.\n", command);
@ -447,16 +448,16 @@ int main(int argc, char *argv[])
}
if (digtype != SND_CONTROL_TYPE_NONE) {
snd_control_t ctl;
snd_control_t *ctl;
snd_ctl_t *ctl_handle;
char ctl_name[12];
int ctl_card;
memset(&ctl, 0, sizeof(ctl));
ctl.id.numid = 0;
ctl.id.iface = SND_CONTROL_IFACE_PCM;
ctl.id.device = snd_pcm_info_get_device(info);
ctl.id.subdevice = snd_pcm_info_get_subdevice(info);
strcpy(ctl.id.name, "IEC958 (S/PDIF) Stream");
snd_control_alloca(&ctl);
snd_control_set_interface(ctl, SND_CONTROL_IFACE_PCM);
snd_control_set_device(ctl, snd_pcm_info_get_device(info));
snd_control_set_subdevice(ctl, snd_pcm_info_get_subdevice(info));
snd_control_set_name(ctl, "IEC958 (S/PDIF) Stream");
snd_control_set_iec958(ctl, &spdif);
ctl_card = snd_pcm_info_get_card(info);
if (ctl_card < 0) {
error("Unable to setup the IEC958 (S/PDIF) interface - PCM has no assigned card");
@ -467,7 +468,7 @@ int main(int argc, char *argv[])
error("Unable to open the control interface '%s': %s", ctl_name, snd_strerror(err));
goto __diga_end;
}
if ((err = snd_ctl_cwrite(ctl_handle, &ctl)) < 0) {
if ((err = snd_ctl_cwrite(ctl_handle, ctl)) < 0) {
error("Unable to update the IEC958 control: %s", snd_strerror(err));
goto __diga_end;
}
@ -736,31 +737,30 @@ static void set_params(void)
snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_INTERLEAVED);
snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED);
snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_COMPLEX);
err = snd_pcm_hw_params_set_access_mask(handle, params,
SND_CHANGE, mask);
err = snd_pcm_hw_params_set_access_mask(handle, params, mask);
} else if (interleaved)
err = snd_pcm_hw_params_set_access(handle, params, SND_CHANGE,
err = snd_pcm_hw_params_set_access(handle, params,
SND_PCM_ACCESS_RW_INTERLEAVED);
else
err = snd_pcm_hw_params_set_access(handle, params, SND_CHANGE,
err = snd_pcm_hw_params_set_access(handle, params,
SND_PCM_ACCESS_RW_NONINTERLEAVED);
if (err < 0) {
error("Access type not available");
exit(EXIT_FAILURE);
}
err = snd_pcm_hw_params_set_format(handle, params, SND_CHANGE, hwparams.format);
err = snd_pcm_hw_params_set_format(handle, params, hwparams.format);
if (err < 0) {
error("Sample format non available");
exit(EXIT_FAILURE);
}
err = snd_pcm_hw_params_set_channels(handle, params, SND_CHANGE, hwparams.channels);
err = snd_pcm_hw_params_set_channels(handle, params, hwparams.channels);
if (err < 0) {
error("Channels count non available");
exit(EXIT_FAILURE);
}
#if 0
err = snd_pcm_hw_params_set_periods_min(handle, params, SND_CHANGE, 2);
err = snd_pcm_hw_params_set_periods_min(handle, params, 2);
assert(err >= 0);
#endif
err = snd_pcm_hw_params_set_rate_near(handle, params, hwparams.rate, 0);