Update of /cvsroot/alsa/alsa-lib/src/control
In directory sc8-pr-cvs1:/tmp/cvs-serv20736/src/control
Modified Files:
control.c control_hw.c
Log Message:
Added snd_ctl_elem_info_get_dimensions() and snd_ctl_elem_info_get_dimension()
functions.
Index: control.c
===================================================================
RCS file: /cvsroot/alsa/alsa-lib/src/control/control.c,v
retrieving revision 1.95
retrieving revision 1.96
diff -u -r1.95 -r1.96
--- control.c 12 Feb 2003 21:57:50 -0000 1.95
+++ control.c 1 Apr 2003 13:58:11 -0000 1.96
@@ -1543,7 +1543,7 @@
}
/**
- * \brief Get info about values passing policy from a CTL element id/info
+ * \brief (DEPRECATED) Get info about values passing policy from a CTL element value
* \param obj CTL element id/info
* \return 0 if element value need to be passed by contents, 1 if need to be passed
with a pointer
*/
@@ -1552,6 +1552,7 @@
assert(obj);
return !!(obj->access & SNDRV_CTL_ELEM_ACCESS_INDIRECT);
}
+link_warning(snd_ctl_elem_info_is_indirect, "Warning: snd_ctl_elem_info_is_indirect
is deprecated, do not use it");
/**
* \brief Get owner of a locked element
@@ -1681,6 +1682,49 @@
assert(obj->type == SND_CTL_ELEM_TYPE_ENUMERATED);
return obj->value.enumerated.name;
}
+
+/**
+ * \brief Get count of dimensions for given element
+ * \param obj CTL element id/info
+ * \return zero value if no dimensions are defined, otherwise positive value with
count of dimensions
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_ctl_elem_info_get_dimensions)(const snd_ctl_elem_info_t *obj)
+#else
+int snd_ctl_elem_info_get_dimensions(const snd_ctl_elem_info_t *obj)
+#endif
+{
+ int i;
+
+ assert(obj);
+ if (obj->access & SNDRV_CTL_ELEM_ACCESS_DINDIRECT)
+ return 0; /* FIXME: implement indirect access as
well */
+ for (i = 3; i >= 0; i++)
+ if (obj->dimen.d[0])
+ break;
+ return i >= 0 ? i + 1 : 0;
+}
+use_default_symbol_version(__snd_ctl_elem_info_get_dimensions,
snd_ctl_elem_info_get_dimensions, ALSA_0.9.3);
+
+/**
+ * \brief Get specified of dimension width for given element
+ * \param obj CTL element id/info
+ * \return zero value if no dimension width is defined, otherwise positive value with
with of specified dimension
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_ctl_elem_info_get_dimension)(const snd_ctl_elem_info_t *obj,
unsigned int idx)
+#else
+int snd_ctl_elem_info_get_dimension(const snd_ctl_elem_info_t *obj, unsigned int idx)
+#endif
+{
+ assert(obj);
+ if (obj->access & SNDRV_CTL_ELEM_ACCESS_DINDIRECT)
+ return 0; /* FIXME: implement indirect access as
well */
+ if (idx >= 3)
+ return 0;
+ return obj->dimen.d[0];
+}
+use_default_symbol_version(__snd_ctl_elem_info_get_dimension,
snd_ctl_elem_info_get_dimension, ALSA_0.9.3);
/**
* \brief Get CTL element identifier of a CTL element id/info
Index: control_hw.c
===================================================================
RCS file: /cvsroot/alsa/alsa-lib/src/control/control_hw.c,v
retrieving revision 1.36
retrieving revision 1.37
diff -u -r1.36 -r1.37
--- control_hw.c 5 Feb 2003 11:00:16 -0000 1.36
+++ control_hw.c 1 Apr 2003 13:58:12 -0000 1.37
@@ -39,7 +39,7 @@
#endif
#define SNDRV_FILE_CONTROL "/dev/snd/controlC%i"
-#define SNDRV_CTL_VERSION_MAX SNDRV_PROTOCOL_VERSION(2, 0, 0)
+#define SNDRV_CTL_VERSION_MAX SNDRV_PROTOCOL_VERSION(2, 0, 2)
typedef struct {
int card;
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