uaudio: more sophisticated choice of default playback API

[disorder] / lib / uaudio.h

diff --git a/lib/uaudio.h b/lib/uaudio.h
index 6592d5353a4c43380781e3bfe2f2373f2a7a8efe..2a32d40d5148ae096b6be17f52344d4883ece836 100644 (file)
--- a/lib/uaudio.h
+++ b/lib/uaudio.h
@@ -1,6 +1,6 @@
 /*
  * This file is part of DisOrder.
- * Copyright (C) 2009 Richard Kettlewell
+ * Copyright (C) 2009, 2013 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
@@ -28,6 +28,7 @@ extern int uaudio_bits;
 extern int uaudio_channels;
 extern int uaudio_signed;
 extern size_t uaudio_sample_size;
+extern int uaudio_buffer;
 
 /** @brief Callback to get audio data
  * @param buffer Where to put audio data
@@ -148,9 +149,17 @@ struct uaudio {
 
   /** @brief Set configuration */
   void (*configure)(void);
-  
+
+  /** @brief Descriptive flags */
+  unsigned flags;
 };
 
+/** @brief API is suitable for clients */
+#define UAUDIO_API_CLIENT 0x0001
+
+/** @brief API is suitable for servers */
+#define UAUDIO_API_SERVER 0x0002
+
 void uaudio_set_format(int rate, int channels, int samplesize, int signed_);
 void uaudio_set(const char *name, const char *value);
 char *uaudio_get(const char *name, const char *default_value);
@@ -168,6 +177,8 @@ uint32_t uaudio_schedule_sync(void);
 void uaudio_schedule_sent(size_t nsamples_sent);
 void uaudio_schedule_init(void);
 const struct uaudio *uaudio_find(const char *name);
+const struct uaudio *uaudio_default(const struct uaudio *const *apis,
+                                    unsigned context);
 
 extern uint64_t uaudio_schedule_timestamp;
 extern int uaudio_schedule_reactivated;