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authorCarl Hetherington <cth@carlh.net>2013-05-24 17:36:41 +0100
committerCarl Hetherington <cth@carlh.net>2013-05-24 17:36:41 +0100
commita0f1a3d40f1c93d4432d1d4857c1620907259b2f (patch)
tree2281ecafd32c5d982b0ba164d194fc7a38e0a0b2 /src/lib/imagemagick_decoder.cc
parentd6ae629f4a11579818235d37b2558c6cc9838779 (diff)
Seeking tweaks.
Diffstat (limited to 'src/lib/imagemagick_decoder.cc')
-rw-r--r--src/lib/imagemagick_decoder.cc22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/lib/imagemagick_decoder.cc b/src/lib/imagemagick_decoder.cc
index b2bbb4118..15c919e87 100644
--- a/src/lib/imagemagick_decoder.cc
+++ b/src/lib/imagemagick_decoder.cc
@@ -111,6 +111,28 @@ ImageMagickDecoder::seek (Time t)
_next_video = t;
}
+void
+ImageMagickDecoder::seek_back ()
+{
+ boost::shared_ptr<const Film> f = _film.lock ();
+ if (!f) {
+ return;
+ }
+
+ _next_video -= f->video_frames_to_time (2);
+}
+
+void
+ImageMagickDecoder::seek_forward ()
+{
+ boost::shared_ptr<const Film> f = _film.lock ();
+ if (!f) {
+ return;
+ }
+
+ _next_video += f->video_frames_to_time (1);
+}
+
Time
ImageMagickDecoder::next () const
{