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-rw-r--r--src/lib/silence_decoder.cc22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/lib/silence_decoder.cc b/src/lib/silence_decoder.cc
index 9eee5bb10..e787262f5 100644
--- a/src/lib/silence_decoder.cc
+++ b/src/lib/silence_decoder.cc
@@ -49,6 +49,28 @@ SilenceDecoder::seek (Time t)
_next_audio = t;
}
+void
+SilenceDecoder::seek_back ()
+{
+ boost::shared_ptr<const Film> f = _film.lock ();
+ if (!f) {
+ return;
+ }
+
+ _next_audio -= f->video_frames_to_time (2);
+}
+
+void
+SilenceDecoder::seek_forward ()
+{
+ boost::shared_ptr<const Film> f = _film.lock ();
+ if (!f) {
+ return;
+ }
+
+ _next_audio += f->video_frames_to_time (1);
+}
+
Time
SilenceDecoder::next () const
{