1 files changed, 173 insertions, 0 deletions
diff --git a/src/libasound.c b/src/libasound.c
new file mode 100644
index 0000000..b43ae95
--- /dev/null
+++ b/src/libasound.c
@@ -0,0 +1,173 @@
+#include <alsa/asoundlib.h>
+#include <alsa/pcm.h>
+#include <alsa/pcm_plugin.h>
+#include <alsa/pcm_extplug.h>
+#include <alsa/pcm_ioplug.h>
+#include <alsa/control_external.h>
+#include <alsa/mixer_abst.h>
+#include <alsa/use-case.h>
+#include <alsa/topology.h>
+
+#include "util/util.h"
+#include "stubs.h"
+#include "symversioning-hell.h"
+
+struct _snd_config { char noop; } s_snd_config;
+struct _snd_config *snd_config = &s_snd_config;
+
+const char*
+snd_asoundlib_version(void)
+{
+   return "1.1.7";
+}
+
+const char*
+snd_strerror(int errnum)
+{
+   // Do not bother implementing this, just WARN/ERR directly in this lib
+   // Letting applications show useful error messages never works out
+   return "^";
+}
+
+snd_lib_error_handler_t snd_lib_error;
+
+int snd_lib_error_set_handler(snd_lib_error_handler_t handler)
+{
+   snd_lib_error = handler;
+   return 0;
+}
+
+int
+snd_card_load(int card)
+{
+   return 0;
+}
+
+int
+snd_card_next(int *card)
+{
+   if (card) {
+      *card = (*card == -1 ? 0 : -1);
+      return 0;
+   }
+
+   return -1;
+}
+
+int
+snd_card_get_index(const char *name)
+{
+   if (!strcmp(name, "default"))
+      return 0;
+
+   return -1;
+}
+
+int
+snd_card_get_name(int card, char **name)
+{
+   if (name) *name = "default";
+   return 0;
+}
+
+int snd_card_get_longname(int card, char **name)
+{
+   if (name) *name = "default";
+   return 0;
+}
+
+struct device_name_hint { char *name, *ioid; };
+
+int
+snd_device_name_hint(int card, const char *iface, void ***hints)
+{
+   static struct device_name_hint defaults[] = { { .name = "default", .ioid = "Output" }, { .name = "capture", .ioid = "Input" } };
+   static struct device_name_hint *array[] = { &defaults[0], &defaults[1], NULL };
+   *hints = (void**)array;
+   return 0;
+}
+
+char*
+snd_device_name_get_hint(const void *hint, const char *id)
+{
+   const struct device_name_hint *shint = hint;
+
+   if (!strcmp(id, "NAME"))
+      return c_strdup(shint->name);
+   else if (!strcmp(id, "IOID"))
+      return c_strdup(shint->ioid);
+
+   return NULL;
+}
+
+int
+snd_device_name_free_hint(void **hints)
+{
+   return 0;
+}
+
+struct _snd_ctl {
+   char noop;
+};
+
+int
+snd_ctl_open(snd_ctl_t **ctl, const char *name, int mode)
+{
+   if (!(*ctl = calloc(1, sizeof(**ctl)))) {
+      WARNX1("calloc");
+      return -1;
+   }
+
+   return 0;
+}
+
+int
+snd_ctl_close(snd_ctl_t *ctl)
+{
+   free(ctl);
+   return 0;
+}
+
+struct _snd_ctl_card_info {
+   const char *name;
+};
+
+size_t
+snd_ctl_card_info_sizeof(void)
+{
+   return sizeof(snd_ctl_card_info_t);
+}
+
+int
+snd_ctl_card_info_malloc(snd_ctl_card_info_t **ptr)
+{
+   if (!(*ptr = calloc(1, sizeof(**ptr))))
+      return -1;
+
+   return 0;
+}
+
+void
+snd_ctl_card_info_free(snd_ctl_card_info_t *obj)
+{
+   free(obj);
+}
+
+int
+snd_ctl_card_info(snd_ctl_t *ctl, snd_ctl_card_info_t *info)
+{
+   info->name = "sndio";
+   return 0;
+}
+
+const char*
+snd_ctl_card_info_get_name(const snd_ctl_card_info_t *obj)
+{
+   return obj->name;
+}
+
+const char*
+snd_ctl_card_info_get_mixername(const snd_ctl_card_info_t *obj)
+{
+   return obj->name;
+}