Filter: FilterPCM() returns ConstBuffer

API simplification.  We can now avoid abusing a "size_t*" as
additional return value.

1 files changed, 5 insertions, 8 deletions

diff --git a/src/filter/plugins/ReplayGainFilterPlugin.cxx b/src/filter/plugins/ReplayGainFilterPlugin.cxx
index a5d9668cc..651352ac9 100644
--- a/src/filter/plugins/ReplayGainFilterPlugin.cxx
+++ b/src/filter/plugins/ReplayGainFilterPlugin.cxx
@@ -114,8 +114,8 @@ public:
 
 	virtual AudioFormat Open(AudioFormat &af, Error &error) override;
 	virtual void Close();
-	virtual const void *FilterPCM(const void *src, size_t src_size,
-				      size_t *dest_size_r, Error &error);
+	virtual ConstBuffer<void> FilterPCM(ConstBuffer<void> src,
+					    Error &error) override;
 };
 
 void
@@ -170,13 +170,10 @@ ReplayGainFilter::Close()
 	pv.Close();
 }
 
-const void *
-ReplayGainFilter::FilterPCM(const void *src, size_t src_size,
-			    size_t *dest_size_r, gcc_unused Error &error)
+ConstBuffer<void>
+ReplayGainFilter::FilterPCM(ConstBuffer<void> src, gcc_unused Error &error)
 {
-	const auto dest = pv.Apply({src, src_size});
-	*dest_size_r = dest.size;
-	return dest.data;
+	return pv.Apply(src);
 }
 
 const struct filter_plugin replay_gain_filter_plugin = {