do not allow smf_source's reads to stomp on cached read_end position in parent class...

[ardour.git] / libs / ardour / midi_region.cc

diff --git a/libs/ardour/midi_region.cc b/libs/ardour/midi_region.cc
index 910789c7fbfa8c62d77f87a0d1306e55329d01ac..aca8d039ad218b01f3268e50a84cc5510439afb5 100644 (file)
--- a/libs/ardour/midi_region.cc
+++ b/libs/ardour/midi_region.cc
@@ -147,7 +147,7 @@ MidiRegion::_read_at (const SourceList& /*srcs*/, MidiRingBuffer<nframes_t>& dst
        nframes_t internal_offset = 0;
        nframes_t src_offset      = 0;
        nframes_t to_read         = 0;
-       
+
        /* precondition: caller has verified that we cover the desired section */
 
        assert(chan_n == 0);
@@ -191,7 +191,16 @@ MidiRegion::_read_at (const SourceList& /*srcs*/, MidiRingBuffer<nframes_t>& dst
                // _start from the note times in the midi source
                negative_output_buffer_position = _start; 
        }
-       
+
+#if 0  
+       cerr << "\t\tsource read from " << _position << " - " << _start << " (" << _position - _start << ") "
+            << " start in source " << _start << " + " << internal_offset << " (" << _start + internal_offset << ") "
+            << " dur = " << to_read 
+            << " offset = " << output_buffer_position 
+            << " negoffset = " << negative_output_buffer_position 
+            << endl;
+#endif
+
        if (src->midi_read (
                        dst, // destination buffer
                        _position - _start, // start position of the source in this read context