mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-11-09 17:05:41 +01:00
Control API encapsulation. Better names for kernel API. Simpler PCM hw_params API. Added missing const.
This commit is contained in:
Abramo Bagnara
parent
3df0171dc0
commit
0ef8943fb0
4 changed files with 427 additions and 426 deletions
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@ -67,7 +67,12 @@ char *id_str(snd_control_id_t *id)
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{
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static char str[128];
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assert(id);
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sprintf(str, "%i,%i,%i,%s,%i", id->iface, id->device, id->subdevice, id->name, id->index);
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sprintf(str, "%i,%i,%i,%s,%i",
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snd_enum_to_int(snd_control_id_get_interface(id)),
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snd_control_id_get_device(id),
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snd_control_id_get_subdevice(id),
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snd_control_id_get_name(id),
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snd_control_id_get_index(id));
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return str;
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}
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@ -98,7 +103,7 @@ static int snd_config_integer_add(snd_config_t *father, char *id, long integer)
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return 0;
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}
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static int snd_config_string_add(snd_config_t *father, char *id, char *string)
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static int snd_config_string_add(snd_config_t *father, const char *id, const char *string)
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{
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int err;
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snd_config_t *leaf;
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@ -118,7 +123,7 @@ static int snd_config_string_add(snd_config_t *father, char *id, char *string)
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return 0;
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}
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static int snd_config_compound_add(snd_config_t *father, char *id, int join,
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static int snd_config_compound_add(snd_config_t *father, const char *id, int join,
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snd_config_t **node)
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{
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int err;
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@ -137,33 +142,36 @@ static int snd_config_compound_add(snd_config_t *father, char *id, int join,
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static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *top)
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{
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snd_control_t ctl;
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snd_control_info_t info;
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snd_control_t *ctl;
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snd_control_info_t *info;
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snd_config_t *control, *comment, *item, *value;
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char *s;
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const char *s;
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char buf[256];
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unsigned int idx;
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int err;
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memset(&info, 0, sizeof(info));
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info.id = *id;
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err = snd_ctl_cinfo(handle, &info);
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unsigned int device, subdevice, index;
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const char *name;
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snd_control_type_t type;
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unsigned int count;
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snd_control_alloca(&ctl);
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snd_control_info_alloca(&info);
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snd_control_info_set_id(info, id);
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err = snd_ctl_cinfo(handle, info);
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if (err < 0) {
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error("Cannot read control info '%s': %s", id_str(id), snd_strerror(err));
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return err;
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}
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if (!(info.access & SND_CONTROL_ACCESS_READ))
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if (!snd_control_info_is_readable(info))
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return 0;
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memset(&ctl, 0, sizeof(ctl));
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ctl.id = info.id;
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err = snd_ctl_cread(handle, &ctl);
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snd_control_set_id(ctl, id);
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err = snd_ctl_cread(handle, ctl);
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if (err < 0) {
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error("Cannot read control '%s': %s", id_str(id), snd_strerror(err));
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return err;
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}
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err = snd_config_compound_add(top, num_str(info.id.numid), 0, &control);
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err = snd_config_compound_add(top, num_str(snd_control_info_get_numid(info)), 0, &control);
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if (err < 0) {
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error("snd_config_compound_add: %s", snd_strerror(err));
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return err;
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@ -176,180 +184,154 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
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buf[0] = '\0';
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buf[1] = '\0';
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if (info.access & SND_CONTROL_ACCESS_READ)
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if (snd_control_info_is_readable(info))
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strcat(buf, " read");
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if (info.access & SND_CONTROL_ACCESS_WRITE)
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if (snd_control_info_is_writable(info))
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strcat(buf, " write");
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if (info.access & SND_CONTROL_ACCESS_INACTIVE)
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if (snd_control_info_is_inactive(info))
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strcat(buf, " inactive");
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if (snd_control_info_is_volatile(info))
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strcat(buf, " volatile");
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if (snd_control_info_is_locked(info))
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strcat(buf, " locked");
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if (snd_control_info_is_indirect(info))
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strcat(buf, " indirect");
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err = snd_config_string_add(comment, "access", buf + 1);
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if (err < 0) {
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error("snd_config_string_add: %s", snd_strerror(err));
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return err;
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}
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switch (info.type) {
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case SND_CONTROL_TYPE_BOOLEAN:
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s = "bool";
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break;
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case SND_CONTROL_TYPE_INTEGER:
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s = "integer";
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break;
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case SND_CONTROL_TYPE_ENUMERATED:
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s = "enumerated";
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break;
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case SND_CONTROL_TYPE_BYTES:
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s = "bytes";
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break;
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case SND_CONTROL_TYPE_IEC958:
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s = "iec958";
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break;
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default:
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s = "unknown";
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break;
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}
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type = snd_control_info_get_type(info);
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device = snd_control_info_get_device(info);
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subdevice = snd_control_info_get_subdevice(info);
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index = snd_control_info_get_index(info);
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name = snd_control_info_get_name(info);
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count = snd_control_info_get_count(info);
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s = snd_control_type_name(type);
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err = snd_config_string_add(comment, "type", s);
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if (err < 0) {
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error("snd_config_string_add: %s", snd_strerror(err));
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return err;
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}
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switch (info.type) {
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switch (snd_enum_to_int(type)) {
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case SND_CONTROL_TYPE_BOOLEAN:
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if (info.value.integer.min != 0 || info.value.integer.max != 1 ||
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info.value.integer.step != 0)
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error("Bad boolean control '%s'", id_str(id));
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break;
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case SND_CONTROL_TYPE_INTEGER:
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if (info.value.integer.step)
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sprintf(buf, "%li - %li (step %li)", info.value.integer.min, info.value.integer.max, info.value.integer.step);
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{
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long min = snd_control_info_get_min(info);
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long max = snd_control_info_get_max(info);
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long step = snd_control_info_get_step(info);
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if (step)
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sprintf(buf, "%li - %li (step %li)", min, max, step);
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else
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sprintf(buf, "%li - %li", info.value.integer.min, info.value.integer.max);
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sprintf(buf, "%li - %li", min, max);
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err = snd_config_string_add(comment, "range", buf);
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if (err < 0) {
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error("snd_config_string_add: %s", snd_strerror(err));
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return err;
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}
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break;
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}
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case SND_CONTROL_TYPE_ENUMERATED:
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{
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unsigned int items;
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err = snd_config_compound_add(comment, "item", 1, &item);
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if (err < 0) {
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error("snd_config_compound_add: %s", snd_strerror(err));
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return err;
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}
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for (idx = 0; idx < info.value.enumerated.items; idx++) {
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info.value.enumerated.item = idx;
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err = snd_ctl_cinfo(handle, &info);
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items = snd_control_info_get_items(info);
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for (idx = 0; idx < items; idx++) {
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snd_control_info_set_item(info, idx);
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err = snd_ctl_cinfo(handle, info);
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if (err < 0) {
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error("snd_ctl_info: %s", snd_strerror(err));
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return err;
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}
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err = snd_config_string_add(item, num_str(idx), info.value.enumerated.name);
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err = snd_config_string_add(item, num_str(idx), snd_control_info_get_item_name(info));
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if (err < 0) {
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error("snd_config_string_add: %s", snd_strerror(err));
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return err;
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}
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}
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break;
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}
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default:
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break;
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}
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switch (info.id.iface) {
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case SND_CONTROL_IFACE_CARD:
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s = "card";
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break;
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case SND_CONTROL_IFACE_HWDEP:
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s = "hwdep";
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break;
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case SND_CONTROL_IFACE_MIXER:
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s = "mixer";
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break;
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case SND_CONTROL_IFACE_PCM:
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s = "pcm";
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break;
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case SND_CONTROL_IFACE_RAWMIDI:
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s = "rawmidi";
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break;
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case SND_CONTROL_IFACE_TIMER:
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s = "timer";
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break;
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case SND_CONTROL_IFACE_SEQUENCER:
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s = "sequencer";
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break;
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default:
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s = num_str(info.id.iface);
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break;
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}
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s = snd_control_iface_name(snd_control_info_get_interface(info));
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err = snd_config_string_add(control, "iface", s);
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if (err < 0) {
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error("snd_config_string_add: %s", snd_strerror(err));
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return err;
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}
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if (info.id.device != 0) {
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err = snd_config_integer_add(control, "device", info.id.device);
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if (device != 0) {
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err = snd_config_integer_add(control, "device", device);
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if (err < 0) {
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error("snd_config_integer_add: %s", snd_strerror(err));
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return err;
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}
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}
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if (info.id.subdevice != 0) {
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err = snd_config_integer_add(control, "subdevice", info.id.subdevice);
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if (subdevice != 0) {
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err = snd_config_integer_add(control, "subdevice", subdevice);
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if (err < 0) {
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error("snd_config_integer_add: %s", snd_strerror(err));
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return err;
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}
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}
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err = snd_config_string_add(control, "name", info.id.name);
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err = snd_config_string_add(control, "name", name);
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if (err < 0) {
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error("snd_config_string_add: %s", snd_strerror(err));
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return err;
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}
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if (info.id.index != 0) {
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err = snd_config_integer_add(control, "index", info.id.index);
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if (index != 0) {
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err = snd_config_integer_add(control, "index", index);
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if (err < 0) {
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error("snd_config_integer_add: %s", snd_strerror(err));
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return err;
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}
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}
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switch (info.type) {
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switch (snd_enum_to_int(type)) {
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case SND_CONTROL_TYPE_BYTES:
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case SND_CONTROL_TYPE_IEC958:
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{
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size_t count = info.type == SND_CONTROL_TYPE_BYTES ?
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info.values_count : sizeof(snd_aes_iec958_t);
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char buf[count * 2 + 1];
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char *p = buf;
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char *hex = "0123456789abcdef";
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for (idx = 0; idx < count; idx++) {
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int v = ctl.value.bytes.data[idx];
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*p++ = hex[v >> 4];
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*p++ = hex[v & 0x0f];
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}
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*p = '\0';
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err = snd_config_string_add(control, "value", buf);
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if (err < 0) {
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error("snd_config_string_add: %s", snd_strerror(err));
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return err;
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}
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return 0;
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{
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size_t size = type == SND_CONTROL_TYPE_BYTES ?
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count : sizeof(snd_aes_iec958_t);
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char buf[count * 2 + 1];
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char *p = buf;
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char *hex = "0123456789abcdef";
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const char *bytes = snd_control_get_bytes(ctl);
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for (idx = 0; idx < size; idx++) {
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int v = bytes[idx];
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*p++ = hex[v >> 4];
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*p++ = hex[v & 0x0f];
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}
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*p = '\0';
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err = snd_config_string_add(control, "value", buf);
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if (err < 0) {
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error("snd_config_string_add: %s", snd_strerror(err));
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return err;
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}
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return 0;
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}
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default:
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break;
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}
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if (info.values_count == 1) {
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switch (info.type) {
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if (count == 1) {
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switch (snd_enum_to_int(type)) {
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case SND_CONTROL_TYPE_BOOLEAN:
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err = snd_config_string_add(control, "value", ctl.value.integer.value[0] ? "true" : "false");
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err = snd_config_string_add(control, "value", snd_control_get_boolean(ctl, 0) ? "true" : "false");
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if (err < 0) {
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error("snd_config_string_add: %s", snd_strerror(err));
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return err;
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}
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return 0;
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case SND_CONTROL_TYPE_INTEGER:
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err = snd_config_integer_add(control, "value", ctl.value.integer.value[0]);
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err = snd_config_integer_add(control, "value", snd_control_get_integer(ctl, 0));
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if (err < 0) {
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error("snd_config_integer_add: %s", snd_strerror(err));
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return err;
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@ -357,7 +339,7 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
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return 0;
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case SND_CONTROL_TYPE_ENUMERATED:
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{
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unsigned int v = ctl.value.enumerated.item[0];
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unsigned int v = snd_control_get_enumerated(ctl, 0);
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snd_config_t *c;
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err = snd_config_search(item, num_str(v), &c);
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if (err == 0) {
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@ -372,7 +354,7 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
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return 0;
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}
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default:
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error("Unknown control type: %d\n", info.type);
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error("Unknown control type: %d\n", snd_enum_to_int(type));
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return -EINVAL;
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}
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}
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@ -383,10 +365,10 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
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return err;
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}
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switch (info.type) {
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switch (snd_enum_to_int(type)) {
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case SND_CONTROL_TYPE_BOOLEAN:
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for (idx = 0; idx < info.values_count; idx++) {
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err = snd_config_string_add(value, num_str(idx), ctl.value.integer.value[idx] ? "true" : "false");
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for (idx = 0; idx < count; idx++) {
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err = snd_config_string_add(value, num_str(idx), snd_control_get_boolean(ctl, idx) ? "true" : "false");
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if (err < 0) {
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error("snd_config_string_add: %s", snd_strerror(err));
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return err;
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@ -394,8 +376,8 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
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}
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break;
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case SND_CONTROL_TYPE_INTEGER:
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for (idx = 0; idx < info.values_count; idx++) {
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err = snd_config_integer_add(value, num_str(idx), ctl.value.integer.value[idx]);
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for (idx = 0; idx < count; idx++) {
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err = snd_config_integer_add(value, num_str(idx), snd_control_get_integer(ctl, idx));
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if (err < 0) {
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error("snd_config_integer_add: %s", snd_strerror(err));
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return err;
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@ -403,8 +385,8 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
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}
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break;
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case SND_CONTROL_TYPE_ENUMERATED:
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for (idx = 0; idx < info.values_count; idx++) {
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unsigned int v = ctl.value.enumerated.item[idx];
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for (idx = 0; idx < count; idx++) {
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unsigned int v = snd_control_get_enumerated(ctl, idx);
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snd_config_t *c;
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err = snd_config_search(item, num_str(v), &c);
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if (err == 0) {
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@ -421,7 +403,7 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
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}
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break;
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default:
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error("Unknown control type: %d\n", info.type);
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error("Unknown control type: %d\n", snd_enum_to_int(type));
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return -EINVAL;
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}
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@ -431,12 +413,16 @@ static int get_control(snd_ctl_t *handle, snd_control_id_t *id, snd_config_t *to
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static int get_controls(int cardno, snd_config_t *top)
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{
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snd_ctl_t *handle;
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snd_ctl_hw_info_t info;
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snd_ctl_info_t *info;
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snd_config_t *state, *card, *control;
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snd_control_list_t list;
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snd_control_list_t *list;
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unsigned int idx;
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int err;
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char name[32];
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unsigned int count;
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const char *id;
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snd_ctl_info_alloca(&info);
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snd_control_list_alloca(&list);
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sprintf(name, "hw:%d", cardno);
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err = snd_ctl_open(&handle, name);
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@ -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) {
|
||||
|
|
|
|||
|
|
@ -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
|
||||
|
|
|
|||
306
amixer/amixer.c
306
amixer/amixer.c
|
|
@ -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) {
|
||||
|
|
|
|||
|
|
@ -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);
|
||||
|
|
|
|||
Loading…
Reference in a new issue