fix bug in path_expand() when passed an empty string

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

diff --git a/libs/ardour/export_graph_builder.cc b/libs/ardour/export_graph_builder.cc
index 6d7a36f5ccb52b2fe700ed9d0f5d8aae08da0fdb..1cd3118eae85e822fce42a45a6c4876e90aa1bc8 100644 (file)
--- a/libs/ardour/export_graph_builder.cc
+++ b/libs/ardour/export_graph_builder.cc
@@ -40,11 +40,11 @@ ExportGraphBuilder::~ExportGraphBuilder ()
 int
 ExportGraphBuilder::process (nframes_t frames, bool last_cycle)
 {
-       assert(frames == process_buffer_frames);
+       assert(frames <= process_buffer_frames);
        
        for (ChannelMap::iterator it = channels.begin(); it != channels.end(); ++it) {
-               it->first->read (process_buffer, process_buffer_frames);
-               ProcessContext<Sample> context(process_buffer, process_buffer_frames, 1);
+               it->first->read (process_buffer, frames);
+               ProcessContext<Sample> context(process_buffer, frames, 1);
                if (last_cycle) { context.set_flag (ProcessContext<Sample>::EndOfInput); }
                it->second->process (context);
        }