2 Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 /** @file src/lib/content_factory.cc
23 * @brief Methods to create content objects.
27 #include "ffmpeg_content.h"
28 #include "audio_content.h"
29 #include "image_content.h"
30 #include "atmos_mxf_content.h"
31 #include "string_text_file_content.h"
32 #include "dcp_content.h"
33 #include "dcp_subtitle_content.h"
35 #include "ffmpeg_audio_stream.h"
36 #include "video_mxf_content.h"
38 #include "log_entry.h"
39 #include "dcpomatic_log.h"
41 #include "compose.hpp"
42 #include <libcxml/cxml.h>
43 #include <dcp/smpte_subtitle_asset.h>
44 #include <boost/algorithm/string.hpp>
50 using std::make_shared;
51 using std::shared_ptr;
55 /** Create a Content object from an XML node.
56 * @param node XML description.
57 * @param version XML state version.
58 * @param notes A list to which is added descriptions of any non-critial warnings / messages.
59 * @return Content object, or 0 if no content was recognised in the XML.
62 content_factory (cxml::ConstNodePtr node, int version, list<string>& notes)
64 auto const type = node->string_child ("Type");
66 std::shared_ptr<Content> content;
68 if (type == "FFmpeg") {
69 content = make_shared<FFmpegContent>(node, version, notes);
70 } else if (type == "Image") {
71 content = make_shared<ImageContent>(node, version);
72 } else if (type == "Sndfile") {
73 /* SndfileContent is now handled by the FFmpeg code rather than by
74 separate libsndfile-based code.
76 content = make_shared<FFmpegContent>(node, version, notes);
78 content->audio->set_stream (
79 make_shared<FFmpegAudioStream>(
81 node->number_child<int> ("AudioFrameRate"),
82 node->number_child<Frame> ("AudioLength"),
83 AudioMapping (node->node_child ("AudioMapping"), version)
87 } else if (type == "SubRip" || type == "TextSubtitle") {
88 content = make_shared<StringTextFileContent>(node, version, notes);
89 } else if (type == "DCP") {
90 content = make_shared<DCPContent>(node, version);
91 } else if (type == "DCPSubtitle") {
92 content = make_shared<DCPSubtitleContent>(node, version);
93 } else if (type == "VideoMXF") {
94 content = make_shared<VideoMXFContent>(node, version);
95 } else if (type == "AtmosMXF") {
96 content = make_shared<AtmosMXFContent>(node, version);
103 /** Create some Content objects from a file or directory.
104 * @param path File or directory.
105 * @return Content objects.
107 list<shared_ptr<Content>>
108 content_factory (boost::filesystem::path path)
110 list<shared_ptr<Content>> content;
112 if (boost::filesystem::is_directory (path)) {
114 LOG_GENERAL ("Look in directory %1", path);
116 if (boost::filesystem::is_empty (path)) {
120 /* See if this is a set of images or a set of sound files */
125 for (boost::filesystem::directory_iterator i(path); i != boost::filesystem::directory_iterator() && read < 10; ++i) {
127 LOG_GENERAL ("Checking file %1", i->path());
129 if (boost::starts_with (i->path().leaf().string(), ".")) {
130 /* We ignore hidden files */
131 LOG_GENERAL ("Ignored %1 (starts with .)", i->path());
135 if (!boost::filesystem::is_regular_file(i->path())) {
136 /* Ignore things which aren't files (probably directories) */
137 LOG_GENERAL ("Ignored %1 (not a regular file)", i->path());
141 if (valid_image_file(i->path())) {
145 if (valid_sound_file(i->path())) {
152 if (image_files > 0 && sound_files == 0) {
153 content.push_back (make_shared<ImageContent>(path));
154 } else if (image_files == 0 && sound_files > 0) {
155 for (auto i: boost::filesystem::directory_iterator(path)) {
156 content.push_back (make_shared<FFmpegContent>(i.path()));
162 shared_ptr<Content> single;
164 auto ext = path.extension().string();
165 transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
167 if (valid_image_file (path)) {
168 single = make_shared<ImageContent>(path);
169 } else if (ext == ".srt" || ext == ".ssa" || ext == ".ass" || ext == ".stl") {
170 single = make_shared<StringTextFileContent>(path);
171 } else if (ext == ".xml") {
173 doc.read_file (path);
174 if (doc.root_name() == "DCinemaSecurityMessage") {
175 throw KDMAsContentError ();
177 single = make_shared<DCPSubtitleContent>(path);
178 } else if (ext == ".mxf" && dcp::SMPTESubtitleAsset::valid_mxf(path)) {
179 single = make_shared<DCPSubtitleContent>(path);
180 } else if (ext == ".mxf" && VideoMXFContent::valid_mxf(path)) {
181 single = make_shared<VideoMXFContent>(path);
182 } else if (ext == ".mxf" && AtmosMXFContent::valid_mxf(path)) {
183 single = make_shared<AtmosMXFContent>(path);
187 single = make_shared<FFmpegContent>(path);
190 content.push_back (single);