Fix export, which has been broken since the boost::signals2 changes. Also update Audiographer, bacause of its incomplete sndfile handling. Audiographer is equal to revision 74

git-svn-id: svn://localhost/ardour2/branches/3.0@6760 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 24 insertions, 12 deletions

diff --git a/libs/audiographer/audiographer/routines.h b/libs/audiographer/audiographer/routines.h
index fd077e1b3f..b3b7f0921b 100644
--- a/libs/audiographer/audiographer/routines.h
+++ b/libs/audiographer/audiographer/routines.h
@@ -5,43 +5,57 @@
 
 #include <cmath>
 
-#define routines_nframes_t uint32_t
-
 namespace AudioGrapher
 {
 
+/// Allows overriding some routines with more efficient ones.
 class Routines
 {
   public:
-	typedef float (*compute_peak_t)          (float const *, routines_nframes_t, float);
-	typedef void  (*apply_gain_to_buffer_t)  (float *, routines_nframes_t, float);
+	typedef uint32_t uint_type;
+	
+	typedef float (*compute_peak_t)          (float const *, uint_type, float);
+	typedef void  (*apply_gain_to_buffer_t)  (float *, uint_type, float);
 	
 	static void override_compute_peak         (compute_peak_t func)         { _compute_peak = func; }
 	static void override_apply_gain_to_buffer (apply_gain_to_buffer_t func) { _apply_gain_to_buffer = func; }
 	
-	static inline float compute_peak (float const * data, routines_nframes_t frames, float current_peak)
+	/** Computes peak in float buffer
+	  * \n RT safe
+	  * \param data buffer from which the peak is computed
+	  * \param frames length of the portion of \a buffer that is checked
+	  * \param current_peak current peak of buffer, if calculated in several passes
+	  * \return maximum of values in [\a data, \a data + \a frames) and \a current_peak
+	  */
+	static inline float compute_peak (float const * data, uint_type frames, float current_peak)
 	{
 		return (*_compute_peak) (data, frames, current_peak);
 	}
 
-	static inline void apply_gain_to_buffer (float * data, routines_nframes_t frames, float gain)
+	/** Applies constant gain to buffer
+	 * \n RT safe
+	 * \param data data to which the gain is applied
+	 * \param frames length of data
+	 * \param gain gain that is applied
+	 */
+	static inline void apply_gain_to_buffer (float * data, uint_type frames, float gain)
 	{
 		(*_apply_gain_to_buffer) (data, frames, gain);
 	}
 
   private:
-	static inline float default_compute_peak (float const * data, routines_nframes_t frames, float current_peak)
+	static inline float default_compute_peak (float const * data, uint_type frames, float current_peak)
 	{
-		for (routines_nframes_t i = 0; i < frames; ++i) {
+		for (uint_type i = 0; i < frames; ++i) {
 			float abs = std::fabs(data[i]);
 			if (abs > current_peak) { current_peak = abs; }
 		}
 		return current_peak;
 	}
 
-	static inline void default_apply_gain_to_buffer (float * data, routines_nframes_t frames, float gain)
+	static inline void default_apply_gain_to_buffer (float * data, uint_type frames, float gain)
 	{
-		for (routines_nframes_t i = 0; i < frames; ++i) {
+		for (uint_type i = 0; i < frames; ++i) {
 			data[i] *= gain;
 		}
 	}
@@ -52,6 +66,4 @@ class Routines
 
 } // namespace
 
-#undef routines_nframes_t
-
 #endif // AUDIOGRAPHER_ROUTINES_H