Support thread-safe LV2 state restoration

[ardour.git] / libs / ardour / ardour / silentfilesource.h

diff --git a/libs/ardour/ardour/silentfilesource.h b/libs/ardour/ardour/silentfilesource.h
index b8ac40e178f15bd67afa6b0546cbb0a3b55c1c42..80f4b361b233517693003840722d45967ab46f86 100644 (file)
--- a/libs/ardour/ardour/silentfilesource.h
+++ b/libs/ardour/ardour/silentfilesource.h
@@ -25,7 +25,7 @@
 
 namespace ARDOUR {
 
-class SilentFileSource : public AudioFileSource {
+class LIBARDOUR_API SilentFileSource : public AudioFileSource {
 public:
        int update_header (framepos_t /*when*/, struct tm&, time_t) { return 0; }
        int flush_header () { return 0; }
@@ -40,6 +40,7 @@ public:
        bool clamped_at_unity() const { return false; }
 
 protected:
+       void close() {}
        friend class SourceFactory;
 
        SilentFileSource (Session& s, const XMLNode& x, framecnt_t len, float srate)
@@ -60,7 +61,7 @@ protected:
        void set_header_timeline_position () {}
 
        int read_peaks_with_fpp (PeakData *peaks, framecnt_t npeaks, framepos_t /*start*/, framecnt_t /*cnt*/,
-                                double /*samples_per_unit*/, framecnt_t /*fpp*/) const {
+                                double /*frames_per_pixel*/, framecnt_t /*fpp*/) const {
                memset (peaks, 0, sizeof (PeakData) * npeaks);
                return 0;
        }