fixes for OS X compile of last commit

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@6681 d708f5d6-7413-0410-9779-e7cbd77b26cf

7 files changed, 11 insertions, 7 deletions

diff --git a/libs/ardour/ardour/audio_unit.h b/libs/ardour/ardour/audio_unit.h
index 8ce6e0f09c..c8e4b4d740 100644
--- a/libs/ardour/ardour/audio_unit.h
+++ b/libs/ardour/ardour/audio_unit.h
@@ -80,7 +80,7 @@ class AUPlugin : public ARDOUR::Plugin
 	void activate ();
 	void deactivate ();
 	void flush ();
-	void set_block_size (nframes_t nframes);
+	int set_block_size (nframes_t nframes);
     
 	int connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, nframes_t nframes, nframes_t offset);
 	std::set<uint32_t> automatable() const;
@@ -109,6 +109,10 @@ class AUPlugin : public ARDOUR::Plugin
 	int32_t configure_io (int32_t in, int32_t out);
 	bool requires_fixed_size_buffers() const;
 
+	void set_fixed_size_buffers (bool yn) { 
+		_requires_fixed_size_buffers = yn;
+	}
+
 	boost::shared_ptr<CAAudioUnit> get_au () { return unit; }
 	boost::shared_ptr<CAComponent> get_comp () const { return comp; }
     
diff --git a/libs/ardour/ardour/insert.h b/libs/ardour/ardour/insert.h
index 641df01c67..9d103d76a1 100644
--- a/libs/ardour/ardour/insert.h
+++ b/libs/ardour/ardour/insert.h
@@ -117,7 +117,7 @@ class PluginInsert : public Insert
 	void deactivate ();
 	void flush ();
 
-	void set_block_size (nframes_t nframes);
+	int set_block_size (nframes_t nframes);
 
 	uint32_t output_streams() const;
 	uint32_t input_streams() const;
diff --git a/libs/ardour/ardour/ladspa_plugin.h b/libs/ardour/ardour/ladspa_plugin.h
index 18314c9ca3..3e6a1e6c26 100644
--- a/libs/ardour/ardour/ladspa_plugin.h
+++ b/libs/ardour/ardour/ladspa_plugin.h
@@ -82,7 +82,7 @@ class LadspaPlugin : public ARDOUR::Plugin
 			_descriptor->cleanup (_handle);
 	}
 
-	void set_block_size (nframes_t nframes) {}
+	int set_block_size (nframes_t nframes) {return 0; }
 	
 	int         connect_and_run (std::vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, nframes_t nframes, nframes_t offset);
 	std::string describe_parameter (uint32_t);
diff --git a/libs/ardour/ardour/lv2_plugin.h b/libs/ardour/ardour/lv2_plugin.h
index cc5cfa3070..8e1536bd22 100644
--- a/libs/ardour/ardour/lv2_plugin.h
+++ b/libs/ardour/ardour/lv2_plugin.h
@@ -94,7 +94,7 @@ class LV2Plugin : public ARDOUR::Plugin
 		_instance = NULL;
 	}
 
-	void set_block_size (nframes_t nframes) {}
+	int set_block_size (nframes_t nframes) { return 0; }
 	
 	int         connect_and_run (std::vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, nframes_t nframes, nframes_t offset);
 	std::string describe_parameter (uint32_t);
diff --git a/libs/ardour/ardour/plugin.h b/libs/ardour/ardour/plugin.h
index f2198b3170..41b1ba6a19 100644
--- a/libs/ardour/ardour/plugin.h
+++ b/libs/ardour/ardour/plugin.h
@@ -114,7 +114,7 @@ class Plugin : public PBD::StatefulDestructible
 	virtual void activate () = 0;
 	virtual void deactivate () = 0;
 	virtual void flush () { deactivate(); activate(); }
-	virtual void set_block_size (nframes_t nframes) = 0;
+	virtual int set_block_size (nframes_t nframes) = 0;
 
 	virtual int connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, nframes_t nframes, nframes_t offset) = 0;
 	virtual std::set<uint32_t> automatable() const = 0;
diff --git a/libs/ardour/ardour/redirect.h b/libs/ardour/ardour/redirect.h
index ca8d1d4866..3b7b096b81 100644
--- a/libs/ardour/ardour/redirect.h
+++ b/libs/ardour/ardour/redirect.h
@@ -76,7 +76,7 @@ class Redirect : public IO
 	virtual void flush () = 0;
 	virtual nframes_t latency() { return 0; }
 
-	virtual void set_block_size (nframes_t nframes) {}
+	virtual int set_block_size (nframes_t nframes) {return 0; }
 	virtual bool requires_fixed_size_buffers () const { return false; }
 
 	sigc::signal<void,Redirect*,void*> active_changed;
diff --git a/libs/ardour/ardour/vst_plugin.h b/libs/ardour/ardour/vst_plugin.h
index 4240dd0fe5..14e9d73059 100644
--- a/libs/ardour/ardour/vst_plugin.h
+++ b/libs/ardour/ardour/vst_plugin.h
@@ -70,7 +70,7 @@ class VSTPlugin : public ARDOUR::Plugin
 	uint32_t nth_parameter (uint32_t port, bool& ok) const;
 	void activate ();
 	void deactivate ();
-	void set_block_size (nframes_t nframes);
+	int set_block_size (nframes_t nframes);
 	int connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, nframes_t nframes, nframes_t offset);
 	string describe_parameter (uint32_t);
 	string state_node_name() const { return "vst"; }