+#include "combiner.h"
+#include "image.h"
+
+using boost::shared_ptr;
+
+Combiner::Combiner (Log* log)
+ : VideoProcessor (log)
+{
+
+}
+
+void
+Combiner::process_video (shared_ptr<Image> image, shared_ptr<Subtitle> sub)
+{
+ _image = image;
+}
+
+void
+Combiner::process_video_b (shared_ptr<Image> image, shared_ptr<Subtitle> sub)
+{
+ /* Copy the right half of this image into our _image */
+ for (int i = 0; i < image->components(); ++i) {
+ int const line_size = image->line_size()[i];
+ int const half_line_size = line_size / 2;
+ int const stride = image->stride()[i];
+
+ uint8_t* p = _image->data()[i];
+ uint8_t* q = image->data()[i];
+
+ for (int j = 0; j < image->lines (i); ++j) {
+ memcpy (p + half_line_size, q + half_line_size, half_line_size);
+ p += stride;
+ q += stride;
+ }
+ }
+
+ Video (_image, sub);
+ _image.reset ();
+}