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// SPDX-License-Identifier: LGPL-2.1-or-later
#include "internal.h"
#include <string.h>
#include <errno.h>
/**
* HinawaSndDg00x:
* A notification listener for Digidesign Digi 00x models.
*
* A [class@SndDg00x] listen to Dg00x notification and generates signal when received.
*/
G_DEFINE_TYPE(HinawaSndDg00x, hinawa_snd_dg00x, HINAWA_TYPE_SND_UNIT)
/* This object has one signal. */
enum dg00x_sig_type {
DG00X_SIG_TYPE_MESSAGE,
DG00X_SIG_TYPE_COUNT,
};
static guint dg00x_sigs[DG00X_SIG_TYPE_COUNT] = { 0 };
static void hinawa_snd_dg00x_class_init(HinawaSndDg00xClass *klass)
{
/**
* HinawaSndDg00x::message:
* @self: A [class@SndDg00x]
* @message: A message
*
* Emitted when Dg00x models transfer notification.
*
* Since: 0.7
*/
dg00x_sigs[DG00X_SIG_TYPE_MESSAGE] =
g_signal_new("message",
G_OBJECT_CLASS_TYPE(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(HinawaSndDg00xClass, message),
NULL, NULL,
g_cclosure_marshal_VOID__UINT,
G_TYPE_NONE, 1, G_TYPE_UINT);
}
static void hinawa_snd_dg00x_init(HinawaSndDg00x *self)
{
return;
}
/**
* hinawa_snd_dg00x_new:
*
* Instantiate [class@SndDg00x] object and return the instance.
*
* Returns: an instance of [class@SndDg00x].
* Since: 1.3.
*/
HinawaSndDg00x *hinawa_snd_dg00x_new(void)
{
return g_object_new(HINAWA_TYPE_SND_DG00X, NULL);
}
/**
* hinawa_snd_dg00x_open:
* @self: A [class@SndDg00x]
* @path: A full path of a special file for ALSA hwdep character device
* @error: A [struct@GLib.Error]. Error can be generated with three domains; GLib.FileError,
* Hinawa.FwNodeError, and Hinawa.SndUnitError.
*
* Open ALSA hwdep character device and check it for Dg00x devices.
*
* Since: 0.7
*/
void hinawa_snd_dg00x_open(HinawaSndDg00x *self, gchar *path, GError **error)
{
g_return_if_fail(HINAWA_IS_SND_DG00X(self));
g_return_if_fail(path != NULL && strlen(path) > 0);
g_return_if_fail(error == NULL || *error == NULL);
hinawa_snd_unit_open(&self->parent_instance, path, error);
}
void hinawa_snd_dg00x_handle_msg(HinawaSndDg00x *self, const void *buf,
ssize_t len)
{
const struct snd_firewire_event_digi00x_message *event = buf;
g_return_if_fail(HINAWA_IS_SND_DG00X(self));
g_signal_emit(self, dg00x_sigs[DG00X_SIG_TYPE_MESSAGE], 0,
event->message);
}
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