Uniform audio backend for Core Audio. There is an untested OSS one

[disorder] / lib / uaudio.c

diff --git a/lib/uaudio.c b/lib/uaudio.c
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+/*
+ * This file is part of DisOrder.
+ * Copyright (C) 2009 Richard Kettlewell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file lib/uaudio.c
+ * @brief Uniform audio interface
+ */
+
+#include "common.h"
+#include "uaudio.h"
+#include "hash.h"
+#include "mem.h"
+
+/** @brief Options for chosen uaudio API */
+static hash *uaudio_options;
+
+/** @brief Set a uaudio option */
+void uaudio_set(const char *name, const char *value) {
+  if(!uaudio_options)
+    uaudio_options = hash_new(sizeof(char *));
+  value = xstrdup(value);
+  hash_add(uaudio_options, name, &value, HASH_INSERT_OR_REPLACE);
+}
+
+/** @brief Set a uaudio option */
+const char *uaudio_get(const char *name) {
+  const char *value = (uaudio_options ?
+                       *(char **)hash_find(uaudio_options, name)
+                       : NULL);
+  return value ? xstrdup(value) : NULL;
+}
+
+/** @brief List of known APIs
+ *
+ * Terminated by a null pointer.
+ *
+ * The first one will be used as a default, so putting ALSA before OSS
+ * constitutes a policy decision.
+ */
+const struct uaudio *uaudio_apis[] = {
+#if HAVE_COREAUDIO_AUDIOHARDWARE_H
+  &uaudio_coreaudio,
+#endif  
+#if HAVE_ALSA_ASOUNDLIB_H
+  &uaudio_alsa,
+#endif
+#if HAVE_SYS_SOUNDCARD_H || EMPEG_HOST
+  &uaudio_oss,
+#endif
+  &uaudio_rtp,
+  NULL,
+};
+
+/*
+Local Variables:
+c-basic-offset:2
+comment-column:40
+fill-column:79
+indent-tabs-mode:nil
+End:
+*/