- Fix process callbakc handling during export

- Fix filename handling when exporting multiple files
- Some updates to audiographer


git-svn-id: svn://localhost/ardour2/branches/3.0@6402 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 46 insertions, 0 deletions

diff --git a/libs/audiographer/audiographer/debuggable.h b/libs/audiographer/audiographer/debuggable.h
new file mode 100644
index 0000000000..4126327b86
--- /dev/null
+++ b/libs/audiographer/audiographer/debuggable.h
@@ -0,0 +1,46 @@
+#ifndef AUDIOGRAPHER_DEBUGGABLE_H
+#define AUDIOGRAPHER_DEBUGGABLE_H
+
+#ifndef DEFAULT_DEBUG_LEVEL
+#define DEFAULT_DEBUG_LEVEL DebugNone
+#endif
+
+#include <iostream>
+
+namespace AudioGrapher
+{
+
+enum DebugLevel
+{
+	DebugNone,     //< Disabled
+	DebugObject,   //< Object level stuff, ctors, initalizers etc.
+	DebugProcess,  //< Process cycle level stuff
+	DebugVerbose,  //< Lots of output, not on sample level
+	DebugSample    //< Sample level stuff
+};
+
+/// Class that allows optimizing out debugging code during compile time
+template<DebugLevel L = DEFAULT_DEBUG_LEVEL>
+class Debuggable
+{
+  protected:
+	Debuggable(std::ostream & debug_stream = std::cerr)
+		: stream (debug_stream) {}
+
+	bool debug_level (DebugLevel level) {
+		#ifdef NDEBUG
+		return false;
+		#else
+		return L >= level;
+		#endif
+	}
+	std::ostream & debug_stream() { return stream; }
+
+  private:
+	  std::ostream & stream;
+};
+
+
+} // namespace
+
+#endif // AUDIOGRAPHER_DEBUGGABLE_H