1 files changed, 43 insertions, 0 deletions
diff --git a/src/lib/black_decoder.cc b/src/lib/black_decoder.cc
new file mode 100644
index 000000000..f316767bf
--- /dev/null
+++ b/src/lib/black_decoder.cc
@@ -0,0 +1,43 @@
+#include "black_content.h"
+#include "black_decoder.h"
+#include "image.h"
+#include "raw_image_proxy.h"
+#include "video_decoder.h"
+
+
+using std::make_shared;
+using std::shared_ptr;
+using namespace dcpomatic;
+
+
+BlackDecoder::BlackDecoder (shared_ptr<const Film> film, shared_ptr<const BlackContent> content)
+	: Decoder(film)
+	, _content(content)
+	, _video_frame_rate(film->video_frame_rate())
+{
+	video = make_shared<VideoDecoder>(this, content);
+	_image = make_shared<Image>(AV_PIX_FMT_RGB24, dcp::Size(128, 128), Image::Alignment::PADDED);
+	_image->make_black ();
+	_proxy = make_shared<const RawImageProxy>(_image);
+}
+
+
+void
+BlackDecoder::seek (ContentTime time, bool)
+{
+	_position = DCPTime(time.get());
+}
+
+
+bool
+BlackDecoder::pass ()
+{
+	if (_position >= _content->end(film())) {
+		return true;
+	}
+
+	video->emit(film(), _proxy, _position.frames_round(_video_frame_rate));
+	_position += DCPTime::from_frames(1, _video_frame_rate);
+	return false;
+}
+