X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_decoder.cc;h=3ae963a202f7081322f8e9bab5ab525d0d7309cc;hb=4ec7a8070dfcda1fa327df6378eaab754f119f1b;hp=99d711693e44fa942b268375f7f2f6bfda955c3e;hpb=147cca5876dfbdf56e21289c3a36bec4b4850191;p=dcpomatic.git diff --git a/src/lib/video_decoder.cc b/src/lib/video_decoder.cc index 99d711693..3ae963a20 100644 --- a/src/lib/video_decoder.cc +++ b/src/lib/video_decoder.cc @@ -18,101 +18,47 @@ */ #include "video_decoder.h" -#include "subtitle.h" -#include "film.h" #include "image.h" -#include "log.h" -#include "job.h" #include "i18n.h" +using std::cout; using boost::shared_ptr; -using boost::optional; -VideoDecoder::VideoDecoder (shared_ptr f) +VideoDecoder::VideoDecoder (shared_ptr f, shared_ptr c) : Decoder (f) - , _video_frame (0) - , _last_content_time (0) + , _video_content (c) + , _video_position (0) { } -/** Called by subclasses to tell the world that some video data is ready. - * We find a subtitle then emit it for listeners. - * @param image frame to emit. - * @param t Time of the frame within the source, in seconds. - */ void -VideoDecoder::emit_video (shared_ptr image, double t) +VideoDecoder::video (shared_ptr image, bool same, VideoContent::Frame frame) { - shared_ptr sub; - if (_timed_subtitle && _timed_subtitle->displayed_at (t)) { - sub = _timed_subtitle->subtitle (); + switch (_video_content->video_frame_type ()) { + case VIDEO_FRAME_TYPE_2D: + Video (image, EYES_BOTH, same, frame); + break; + case VIDEO_FRAME_TYPE_3D_ALTERNATE: + Video (image, (frame % 2) ? EYES_RIGHT : EYES_LEFT, same, frame / 2); + break; + case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT: + { + int const half = image->size().width / 2; + Video (image->crop (Crop (0, half, 0, 0), true), EYES_LEFT, same, frame); + Video (image->crop (Crop (half, 0, 0, 0), true), EYES_RIGHT, same, frame); + break; } - - signal_video (image, false, sub, t); -} - -bool -VideoDecoder::have_last_video () const -{ - return _last_image; -} - -/** Called by subclasses to repeat the last video frame that we - * passed to emit_video(). If emit_video hasn't yet been called, - * we will generate a black frame. - */ -void -VideoDecoder::repeat_last_video (double t) -{ - if (!_last_image) { - _last_image.reset (new SimpleImage (pixel_format(), native_size(), true)); - _last_image->make_black (); + case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM: + { + int const half = image->size().height / 2; + Video (image->crop (Crop (0, 0, 0, half), true), EYES_LEFT, same, frame); + Video (image->crop (Crop (0, 0, half, 0), true), EYES_RIGHT, same, frame); + break; } - - signal_video (_last_image, true, _last_subtitle, t); -} - -/** Emit our signal to say that some video data is ready. - * @param image Video frame. - * @param same true if `image' is the same as the last one we emitted. - * @param sub Subtitle for this frame, or 0. - */ -void -VideoDecoder::signal_video (shared_ptr image, bool same, shared_ptr sub, double t) -{ - TIMING (N_("Decoder emits %1"), _video_frame); - Video (image, same, sub); - ++_video_frame; - - _last_image = image; - _last_subtitle = sub; - _last_content_time = t; -} - -/** Set up the current subtitle. This will be put onto frames that - * fit within its time specification. s may be 0 to say that there - * is no current subtitle. - * @param s New current subtitle, or 0. - */ -void -VideoDecoder::emit_subtitle (shared_ptr s) -{ - _timed_subtitle = s; - - if (_timed_subtitle) { - Position const p = _timed_subtitle->subtitle()->position (); - _timed_subtitle->subtitle()->set_position (Position (p.x - _film->crop().left, p.y - _film->crop().top)); } + + _video_position = frame + 1; } -void -VideoDecoder::set_progress (Job* j) const -{ - assert (j); - - if (_film->video_length()) { - j->set_progress (float (_video_frame) / _film->video_length()); - } -}