Throw exceptions when things in the butler get really out of hand.

diff --git a/src/lib/butler.cc b/src/lib/butler.cc
index f7c3c8fd99494e6760b9250c300db6b37800dbde..223f8d579b34cc4ffbc0b713191009c2039c6f9e 100644 (file)
--- a/src/lib/butler.cc
+++ b/src/lib/butler.cc
@@ -23,6 +23,7 @@
 #include "util.h"
 #include "log.h"
 #include "compose.hpp"
+#include "exceptions.h"
 #include <boost/weak_ptr.hpp>
 #include <boost/shared_ptr.hpp>
 
@@ -97,6 +98,18 @@ Butler::~Butler ()
 bool
 Butler::should_run () const
 {
+       if (_video.size() >= MAXIMUM_VIDEO_READAHEAD * 10) {
+               /* This is way too big */
+               throw ProgrammingError
+                       (__FILE__, __LINE__, String::compose ("Butler video buffers reached %1 frames (audio is %2)", _video.size(), _audio.size()));
+       }
+
+       if (_audio.size() >= MAXIMUM_AUDIO_READAHEAD * 10) {
+               /* This is way too big */
+               throw ProgrammingError
+                       (__FILE__, __LINE__, String::compose ("Butler audio buffers reached %1 frames (video is %2)", _audio.size(), _video.size()));
+       }
+
        if (_video.size() >= MAXIMUM_VIDEO_READAHEAD * 2) {
                LOG_WARNING ("Butler video buffers reached %1 frames (audio is %2)", _video.size(), _audio.size());
        }