X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fimagemagick_decoder.cc;h=bad1fb81314e182ccbc831d19462e33e5cc3fb51;hb=7e25d487cba3c23d847aedee84a8e5143f4a209c;hp=7cee01ec56c52ef1eb0dd637e5e71a5bee5a570f;hpb=bb767c7e338414beee132af3e96829c1448e214b;p=dcpomatic.git

diff --git a/src/lib/imagemagick_decoder.cc b/src/lib/imagemagick_decoder.cc
index 7cee01ec5..bad1fb813 100644
--- a/src/lib/imagemagick_decoder.cc
+++ b/src/lib/imagemagick_decoder.cc
@@ -1,55 +1,149 @@
+/*
+    Copyright (C) 2012 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
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
 #include <iostream>
-#include <Magick++/Image.h>
+#include <boost/filesystem.hpp>
+#include <Magick++.h>
 #include "imagemagick_decoder.h"
-#include "film_state.h"
 #include "image.h"
+#include "film.h"
+#include "exceptions.h"
 
-using namespace std;
+using std::cout;
+using boost::shared_ptr;
 
 ImageMagickDecoder::ImageMagickDecoder (
-	boost::shared_ptr<const FilmState> s, boost::shared_ptr<const Options> o, Job* j, Log* l, bool minimal, bool ignore_length)
-	: Decoder (s, o, j, l, minimal, ignore_length)
-	, _done (false)
+	boost::shared_ptr<Film> f, boost::shared_ptr<const DecodeOptions> o, Job* j)
+	: Decoder (f, o, j)
+	, VideoDecoder (f, o, j)
 {
-	_magick_image = new Magick::Image (_fs->content_path ());
+	if (boost::filesystem::is_directory (_film->content_path())) {
+		for (
+			boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (_film->content_path());
+			i != boost::filesystem::directory_iterator();
+			++i) {
+
+			if (still_image_file (i->path().string())) {
+				_files.push_back (i->path().string());
+			}
+		}
+	} else {
+		_files.push_back (_film->content_path ());
+	}
+
+	_iter = _files.begin ();
 }
 
 Size
 ImageMagickDecoder::native_size () const
 {
-	return Size (_magick_image->columns(), _magick_image->rows());
+	if (_files.empty ()) {
+		throw DecodeError ("no still image files found");
+	}
+
+	/* Look at the first file and assume its size holds for all */
+	using namespace MagickCore;
+	Magick::Image* image = new Magick::Image (_film->content_path ());
+	Size const s = Size (image->columns(), image->rows());
+	delete image;
+
+	return s;
 }
 
 bool
-ImageMagickDecoder::do_pass ()
+ImageMagickDecoder::pass ()
 {
-	if (_done) {
-		return true;
-	}
+	if (_iter == _files.end()) {
+		if (!_film->dcp_length() || video_frame() >= _film->dcp_length().get()) {
+			return true;
+		}
 
+		repeat_last_video ();
+		return false;
+	}
+	
+	Magick::Image* magick_image = new Magick::Image (_film->content_path ());
+	
 	Size size = native_size ();
-	RGBFrameImage image (size);
+	shared_ptr<Image> image (new SimpleImage (PIX_FMT_RGB24, size, false));
 
-	uint8_t* p = image.data()[0];
+	using namespace MagickCore;
+	
+	uint8_t* p = image->data()[0];
 	for (int y = 0; y < size.height; ++y) {
 		for (int x = 0; x < size.width; ++x) {
-			Magick::Color c = _magick_image->pixelColor (x, y);
-			*p++ = c.redQuantum() * 255 / MaxRGB;
-			*p++ = c.greenQuantum() * 255 / MaxRGB;
-			*p++ = c.blueQuantum() * 255 / MaxRGB;
+			Magick::Color c = magick_image->pixelColor (x, y);
+			*p++ = c.redQuantum() * 255 / QuantumRange;
+			*p++ = c.greenQuantum() * 255 / QuantumRange;
+			*p++ = c.blueQuantum() * 255 / QuantumRange;
 		}
-
 	}
+
+	delete magick_image;
+
+	image = image->crop (_film->crop(), false);
 	
-	process_video (image.frame ());
+	emit_video (image, 0);
 
-	_done = true;
+	++_iter;
 	return false;
 }
 
 PixelFormat
 ImageMagickDecoder::pixel_format () const
 {
+	/* XXX: always true? */
 	return PIX_FMT_RGB24;
 }
 
+bool
+ImageMagickDecoder::seek_to_last ()
+{
+	if (_iter == _files.end()) {
+		_iter = _files.begin();
+	} else {
+		--_iter;
+	}
+
+	return false;
+}
+
+bool
+ImageMagickDecoder::seek (double t)
+{
+	int const f = t * frames_per_second();
+	
+	_iter = _files.begin ();
+	for (int i = 0; i < f; ++i) {
+		if (_iter == _files.end()) {
+			return true;
+		}
+		++_iter;
+	}
+	
+	return false;
+}
+
+void
+ImageMagickDecoder::film_changed (Film::Property p)
+{
+	if (p == Film::CROP) {
+		OutputChanged ();
+	}
+}