X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_decoder.cc;h=2a33a8c3a260d78bc2697f80f217e78d635ff1ff;hb=e3b80115077e5c473df008fe2345420a547df1d2;hp=16a076698eff8c652061a693dc95960f38e0cf9e;hpb=f074b7016ec58e831d9270f98ddc3ea31874a786;p=dcpomatic.git

diff --git a/src/lib/video_decoder.cc b/src/lib/video_decoder.cc
index 16a076698..2a33a8c3a 100644
--- a/src/lib/video_decoder.cc
+++ b/src/lib/video_decoder.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -18,77 +18,53 @@
 */
 
 #include "video_decoder.h"
-#include "subtitle.h"
-#include "film.h"
 #include "image.h"
-#include "log.h"
-#include "options.h"
-#include "job.h"
 
 #include "i18n.h"
 
 using std::cout;
 using boost::shared_ptr;
-using boost::optional;
 
-VideoDecoder::VideoDecoder (shared_ptr<Film> f, DecodeOptions o)
-	: Decoder (f, o)
-	, _video_frame (0)
-	, _last_source_time (0)
+VideoDecoder::VideoDecoder (shared_ptr<const Film> f, shared_ptr<const VideoContent> c)
+	: Decoder (f)
+	, _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> image, bool same, double t)
+VideoDecoder::video (shared_ptr<const Image> image, bool same, VideoContent::Frame frame)
 {
-	shared_ptr<Subtitle> 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;
 	}
-
-	Video (image, same, sub, t);
-	++_video_frame;
-	
-	_last_source_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<TimedSubtitle> 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));
+	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;
 	}
-}
-
-/** Set which stream of subtitles we should use from our source.
- *  @param s Stream to use.
- */
-void
-VideoDecoder::set_subtitle_stream (shared_ptr<SubtitleStream> s)
-{
-	_subtitle_stream = s;
-}
-
-void
-VideoDecoder::set_progress (Job* j) const
-{
-	assert (j);
-	
-	if (_film->length()) {
-		j->set_progress (float (_video_frame) / _film->length().get());
+	case VIDEO_FRAME_TYPE_3D_LEFT:
+		Video (image, EYES_LEFT, same, frame);
+		break;
+	case VIDEO_FRAME_TYPE_3D_RIGHT:
+		Video (image, EYES_RIGHT, same, frame);
+		break;
 	}
+	
+	_video_position = frame + 1;
 }
+