Pass current-dir down through XMLSound

[simgear.git] / simgear / sound / soundmgr_openal.hxx

diff --git a/simgear/sound/soundmgr_openal.hxx b/simgear/sound/soundmgr_openal.hxx
index c24afc57def722634f70787539f444579b6ca0a3..749d84272bffd28f78e313f96d9819a058c375e7 100644 (file)
--- a/simgear/sound/soundmgr_openal.hxx
+++ b/simgear/sound/soundmgr_openal.hxx
@@ -35,28 +35,19 @@
 #ifndef _SG_SOUNDMGR_OPENAL_HXX
 #define _SG_SOUNDMGR_OPENAL_HXX 1
 
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
 #include <string>
 #include <vector>
 #include <map>
 
 #if defined(__APPLE__)
-# define AL_ILLEGAL_ENUM AL_INVALID_ENUM
-# define AL_ILLEGAL_COMMAND AL_INVALID_OPERATION
 # include <OpenAL/al.h>
 # include <OpenAL/alc.h>
-# include <OpenAL/alut.h>
 #elif defined(OPENALSDK)
 # include <al.h>
 # include <alc.h>
-# include <AL/alut.h> 
 #else
 # include <AL/al.h>
 # include <AL/alc.h>
-# include <AL/alut.h>
 #endif
 
 #include <simgear/compiler.h>
@@ -64,9 +55,6 @@
 #include <simgear/math/SGMathFwd.hxx>
 
 #include "sample_group.hxx"
-#include "sample_openal.hxx"
-
-using std::string;
 
 struct refUint {
     unsigned int refctr;
@@ -77,11 +65,11 @@ struct refUint {
     ~refUint() {};
 };
 
-typedef std::map < string, refUint > buffer_map;
+typedef std::map < std::string, refUint > buffer_map;
 typedef buffer_map::iterator buffer_map_iterator;
 typedef buffer_map::const_iterator  const_buffer_map_iterator;
 
-typedef std::map < string, SGSharedPtr<SGSampleGroup> > sample_group_map;
+typedef std::map < std::string, SGSharedPtr<SGSampleGroup> > sample_group_map;
 typedef sample_group_map::iterator sample_group_map_iterator;
 typedef sample_group_map::const_iterator const_sample_group_map_iterator;
 
@@ -95,7 +83,7 @@ public:
     SGSoundMgr();
     ~SGSoundMgr();
 
-    void init();
+    void init(const char *devname = NULL);
     void bind();
     void unbind();
     void update(double dt);
@@ -129,21 +117,21 @@ public:
      * @param refname Reference name of the sample group
      * @return true if successful, false otherwise
      */
-    bool add( SGSampleGroup *sgrp, const string& refname );
+    bool add( SGSampleGroup *sgrp, const std::string& refname );
 
     /** 
      * Remove a sample group from the sound manager.
      * @param refname Reference name of the sample group to remove
      * @return true if successful, false otherwise
      */
-    bool remove( const string& refname );
+    bool remove( const std::string& refname );
 
     /**
      * Test if a specified sample group is registered at the sound manager
      * @param refname Reference name of the sample group test for
      * @return true if the specified sample group exists
      */
-    bool exists( const string& refname );
+    bool exists( const std::string& refname );
 
     /**
      * Find a specified sample group in the sound manager
@@ -153,11 +141,15 @@ public:
     SGSampleGroup *find( const string& refname, bool create = false );
 
     /**
-     * Set the Geodetic position of the sound manager.
+     * Set the Cartesian position of the sound manager.
      * @param pos OpenAL listener position
      */
-    void set_position( const SGVec3d& pos ) {
-        _absolute_pos = pos; _changed = true;
+    void set_position( const SGVec3d& pos, const SGGeod& pos_geod ) {
+        _base_pos = pos; _geod_pos = pos_geod; _changed = true;
+    }
+
+    void set_position_offset( const SGVec3d& pos ) {
+        _offset_pos = pos; _changed = true;
     }
 
     /**
@@ -172,7 +164,7 @@ public:
      * This is the horizontal local frame; x=north, y=east, z=down
      * @param Velocity vector
      */
-    void set_velocity( const SGVec3f& vel ) {
+    void set_velocity( const SGVec3d& vel ) {
         _velocity = vel; _changed = true;
     }
 
@@ -181,7 +173,7 @@ public:
      * This is in the same coordinate system as OpenGL; y=up, z=back, x=right.
      * @return Velocity vector of the OpenAL listener
      */
-    inline SGVec3f& get_velocity() { return _velocity; }
+    inline SGVec3f get_velocity() { return toVec3f(_velocity); }
 
     /**
      * Set the orientation of the sound manager
@@ -256,6 +248,14 @@ public:
      */
     inline bool has_changed() { return _changed; }
 
+    /**
+     * Some implementations seem to need the velocity miltyplied by a
+     * factor of 100 to make them distinct. I've not found if this is
+     * a problem in the implementation or in out code. Until then
+     * this function is used to detect the problematic implementations.
+     */
+    inline bool bad_doppler_effect() { return _bad_doppler; }
+
     /**
      * Load a sample file and return it's configuration and data.
      * @param samplepath Path to the file to load
@@ -268,6 +268,17 @@ public:
     bool load(string &samplepath, void **data, int *format,
                                          size_t *size, int *freq );
 
+    /**
+     * Get a list of available playback devices.
+     */
+    std::vector<const char*> get_available_devices();
+
+    /**
+     * Get the current OpenAL vendor or rendering backend.
+     */
+    const std::string& get_vendor() { return _vendor; }
+    const std::string& get_renderer() { return _renderer; }
+
 private:
     static int _alut_init;
 
@@ -281,9 +292,12 @@ private:
 
     // Position of the listener.
     SGVec3d _absolute_pos;
+    SGVec3d _offset_pos;
+    SGVec3d _base_pos;
+    SGGeod _geod_pos;
 
     // Velocity of the listener.
-    SGVec3f _velocity;
+    SGVec3d _velocity;
 
     // Orientation of the listener. 
     // first 3 elements are "at" vector, second 3 are "up" vector
@@ -293,15 +307,17 @@ private:
     sample_group_map _sample_groups;
     buffer_map _buffers;
 
-    vector<ALuint> _free_sources;
-    vector<ALuint> _sources_in_use;
+    std::vector<ALuint> _free_sources;
+    std::vector<ALuint> _sources_in_use;
 
-    char *_devname;
+    bool _bad_doppler;
+    std::string _renderer;
+    std::string _vendor;
 
-    bool testForALError(string s);
-    bool testForALCError(string s);
-    bool testForALUTError(string s);
-    bool testForError(void *p, string s);
+    bool testForALError(std::string s);
+    bool testForALCError(std::string s);
+    bool testForALUTError(std::string s);
+    bool testForError(void *p, std::string s);
 
     void update_pos_and_orientation();
     void update_sample_config( SGSampleGroup *sound );