/*
- Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
using boost::shared_ptr;
using boost::optional;
-VideoDecoder::VideoDecoder (Decoder* parent, shared_ptr<const Content> c, shared_ptr<Log> log)
- : DecoderPart (parent, log)
+VideoDecoder::VideoDecoder (Decoder* parent, shared_ptr<const Content> c)
+ : DecoderPart (parent)
, _content (c)
{
* and so on.
*/
void
-VideoDecoder::emit (shared_ptr<const ImageProxy> image, Frame frame)
+VideoDecoder::emit (shared_ptr<const Film> film, shared_ptr<const ImageProxy> image, Frame frame)
{
if (ignore ()) {
return;
}
- FrameRateChange const frc = _content->film()->active_frame_rate_change (_content->position());
- for (int i = 0; i < frc.repeat; ++i) {
- switch (_content->video->frame_type ()) {
- case VIDEO_FRAME_TYPE_2D:
- Data (ContentVideo (image, frame, EYES_BOTH, PART_WHOLE));
- break;
- case VIDEO_FRAME_TYPE_3D:
- {
- /* We receive the same frame index twice for 3D; hence we know which
- frame this one is.
- */
- bool const same = (_last_emitted && _last_emitted.get() == frame);
- Data (ContentVideo (image, frame, same ? EYES_RIGHT : EYES_LEFT, PART_WHOLE));
- _last_emitted = frame;
- break;
- }
- case VIDEO_FRAME_TYPE_3D_ALTERNATE:
- Data (ContentVideo (image, frame / 2, (frame % 2) ? EYES_RIGHT : EYES_LEFT, PART_WHOLE));
- frame /= 2;
- break;
- case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT:
- Data (ContentVideo (image, frame, EYES_LEFT, PART_LEFT_HALF));
- Data (ContentVideo (image, frame, EYES_RIGHT, PART_RIGHT_HALF));
- break;
- case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM:
- Data (ContentVideo (image, frame, EYES_LEFT, PART_TOP_HALF));
- Data (ContentVideo (image, frame, EYES_RIGHT, PART_BOTTOM_HALF));
- break;
- case VIDEO_FRAME_TYPE_3D_LEFT:
- Data (ContentVideo (image, frame, EYES_LEFT, PART_WHOLE));
- break;
- case VIDEO_FRAME_TYPE_3D_RIGHT:
- Data (ContentVideo (image, frame, EYES_RIGHT, PART_WHOLE));
- break;
- default:
- DCPOMATIC_ASSERT (false);
- }
-
- ++frame;
+ switch (_content->video->frame_type ()) {
+ case VIDEO_FRAME_TYPE_2D:
+ Data (ContentVideo (image, frame, EYES_BOTH, PART_WHOLE));
+ break;
+ case VIDEO_FRAME_TYPE_3D:
+ {
+ /* We receive the same frame index twice for 3D; hence we know which
+ frame this one is.
+ */
+ bool const same = (_last_emitted && _last_emitted.get() == frame);
+ Data (ContentVideo (image, frame, same ? EYES_RIGHT : EYES_LEFT, PART_WHOLE));
+ _last_emitted = frame;
+ break;
+ }
+ case VIDEO_FRAME_TYPE_3D_ALTERNATE:
+ Data (ContentVideo (image, frame / 2, (frame % 2) ? EYES_RIGHT : EYES_LEFT, PART_WHOLE));
+ frame /= 2;
+ break;
+ case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT:
+ Data (ContentVideo (image, frame, EYES_LEFT, PART_LEFT_HALF));
+ Data (ContentVideo (image, frame, EYES_RIGHT, PART_RIGHT_HALF));
+ break;
+ case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM:
+ Data (ContentVideo (image, frame, EYES_LEFT, PART_TOP_HALF));
+ Data (ContentVideo (image, frame, EYES_RIGHT, PART_BOTTOM_HALF));
+ break;
+ case VIDEO_FRAME_TYPE_3D_LEFT:
+ Data (ContentVideo (image, frame, EYES_LEFT, PART_WHOLE));
+ break;
+ case VIDEO_FRAME_TYPE_3D_RIGHT:
+ Data (ContentVideo (image, frame, EYES_RIGHT, PART_WHOLE));
+ break;
+ default:
+ DCPOMATIC_ASSERT (false);
}
- _position = ContentTime::from_frames (frame, _content->active_video_frame_rate ());
+ _position = ContentTime::from_frames (frame, _content->active_video_frame_rate(film));
+}
+
+void
+VideoDecoder::seek ()
+{
+ _position = ContentTime();
+ _last_emitted.reset ();
}