X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fimagemagick_decoder.cc;h=04d3d9df7c47d166c52e7692b3977d550993b547;hb=d39bfb9a1360a83f3451b79d01fdc4f465ef21d3;hp=9d11e043f4ceb7a46a71ab1b8a6fc54290c3bb37;hpb=aa230169f8b59b7cb2da9a3bbb8ce5f7600285c0;p=dcpomatic.git diff --git a/src/lib/imagemagick_decoder.cc b/src/lib/imagemagick_decoder.cc index 9d11e043f..04d3d9df7 100644 --- a/src/lib/imagemagick_decoder.cc +++ b/src/lib/imagemagick_decoder.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2013 Carl Hetherington 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 @@ -20,69 +20,48 @@ #include #include #include +#include "imagemagick_content.h" #include "imagemagick_decoder.h" #include "image.h" #include "film.h" #include "exceptions.h" +#include "i18n.h" + using std::cout; using boost::shared_ptr; +using libdcp::Size; -ImageMagickDecoder::ImageMagickDecoder ( - boost::shared_ptr f, boost::shared_ptr o, Job* j) - : Decoder (f, o, j) - , VideoDecoder (f, o, j) +ImageMagickDecoder::ImageMagickDecoder (shared_ptr f, shared_ptr c) + : Decoder (f) + , VideoDecoder (f) + , ImageMagick (c) { - 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 +void +ImageMagickDecoder::pass () { - if (_files.empty ()) { - throw DecodeError ("no still image files found"); + if (_video_position >= _imagemagick_content->video_length ()) { + return; } - /* 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::pass () -{ - if (_iter == _files.end()) { - return true; + if (_image) { + video (_image, true, _video_position); + return; } - - using namespace MagickCore; - Magick::Image* magick_image = new Magick::Image (_film->content_path ()); + Magick::Image* magick_image = new Magick::Image (_imagemagick_content->file().string ()); + _video_size = libdcp::Size (magick_image->columns(), magick_image->rows()); - Size size = native_size (); - shared_ptr image (new CompactImage (PIX_FMT_RGB24, size)); + _image.reset (new SimpleImage (PIX_FMT_RGB24, _video_size.get(), false)); - uint8_t* p = image->data()[0]; - for (int y = 0; y < size.height; ++y) { - for (int x = 0; x < size.width; ++x) { + using namespace MagickCore; + + uint8_t* p = _image->data()[0]; + for (int y = 0; y < _video_size->height; ++y) { + for (int x = 0; x < _video_size->width; ++x) { Magick::Color c = magick_image->pixelColor (x, y); *p++ = c.redQuantum() * 255 / QuantumRange; *p++ = c.greenQuantum() * 255 / QuantumRange; @@ -91,17 +70,26 @@ ImageMagickDecoder::pass () } delete magick_image; - - emit_video (image, 0); - ++_iter; - return false; + video (_image, false, _video_position); } -PixelFormat -ImageMagickDecoder::pixel_format () const +void +ImageMagickDecoder::seek (VideoContent::Frame frame) { - /* XXX: always true? */ - return PIX_FMT_RGB24; + _video_position = frame; } +void +ImageMagickDecoder::seek_back () +{ + if (_video_position > 0) { + _video_position--; + } +} + +bool +ImageMagickDecoder::done () const +{ + return _video_position >= _imagemagick_content->video_length (); +}