/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2014 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
*/
-#include <libcxml/cxml.h>
+/** @file src/lib/content_factory.cc
+ * @brief Methods to create content objects.
+ */
+
#include "ffmpeg_content.h"
-#include "still_image_content.h"
-#include "moving_image_content.h"
+#include "image_content.h"
#include "sndfile_content.h"
+#include "text_subtitle_content.h"
+#include "dcp_content.h"
+#include "dcp_subtitle_content.h"
+#include "util.h"
+#include "film.h"
+#include "log_entry.h"
+#include "log.h"
+#include "compose.hpp"
+#include <libcxml/cxml.h>
+#include <dcp/smpte_subtitle_asset.h>
+#include <boost/algorithm/string.hpp>
using std::string;
+using std::list;
using boost::shared_ptr;
+#define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
+
+/** Create a Content object from an XML node.
+ * @param film Film that the content will be in.
+ * @param node XML description.
+ * @param version XML state version.
+ * @param notes A list to which is added descriptions of any non-critial warnings / messages.
+ * @return Content object, or 0 if no content was recognised in the XML.
+ */
shared_ptr<Content>
-content_factory (shared_ptr<const Film> film, shared_ptr<cxml::Node> node)
+content_factory (shared_ptr<const Film> film, cxml::NodePtr node, int version, list<string>& notes)
{
string const type = node->string_child ("Type");
boost::shared_ptr<Content> content;
-
+
if (type == "FFmpeg") {
- content.reset (new FFmpegContent (film, node));
- } else if (type == "StillImage") {
- content.reset (new StillImageContent (film, node));
- } else if (type == "MovingImage") {
- content.reset (new MovingImageContent (film, node));
+ content.reset (new FFmpegContent (film, node, version, notes));
+ } else if (type == "Image") {
+ content.reset (new ImageContent (film, node, version));
} else if (type == "Sndfile") {
- content.reset (new SndfileContent (film, node));
+ content.reset (new SndfileContent (film, node, version));
+ } else if (type == "SubRip" || type == "TextSubtitle") {
+ content.reset (new TextSubtitleContent (film, node, version));
+ } else if (type == "DCP") {
+ content.reset (new DCPContent (film, node, version));
+ } else if (type == "DCPSubtitle") {
+ content.reset (new DCPSubtitleContent (film, node, version));
+ }
+
+ return content;
+}
+
+/** Create a Content object from a file or directory.
+ * @param film Film that the content will be in.
+ * @param path File or directory.
+ * @return Content object.
+ */
+shared_ptr<Content>
+content_factory (shared_ptr<const Film> film, boost::filesystem::path path)
+{
+ shared_ptr<Content> content;
+
+ if (boost::filesystem::is_directory (path)) {
+
+ LOG_GENERAL ("Look in directory %1", path);
+
+ if (boost::filesystem::is_empty (path)) {
+ return shared_ptr<Content> ();
+ }
+
+ /* Guess if this is a DCP or a set of images: read the first ten filenames and if they
+ are all valid image files we assume it is a set of images.
+ */
+
+ bool is_dcp = false;
+ int read = 0;
+ for (boost::filesystem::directory_iterator i(path); i != boost::filesystem::directory_iterator() && read < 10; ++i) {
+
+ LOG_GENERAL ("Checking file %1", i->path());
+
+ if (boost::starts_with (i->path().leaf().string(), "._") || i->path().leaf().string() == ".DS_Store") {
+ /* We ignore these files */
+ LOG_GENERAL ("Ignored %1 (starts with {._}, or .DS_Store)", i->path());
+ continue;
+ }
+
+ if (!boost::filesystem::is_regular_file(i->path())) {
+ /* Ignore things which aren't files (probably directories) */
+ LOG_GENERAL ("Ignored %1 (not a regular file)", i->path());
+ continue;
+ }
+
+ if (!valid_image_file (i->path())) {
+ /* We have a normal file which isn't an image; assume we are looking
+ at a DCP.
+ */
+ LOG_GENERAL ("It's a DCP because of %1", i->path());
+ is_dcp = true;
+ }
+
+ ++read;
+ }
+
+ if (is_dcp) {
+ content.reset (new DCPContent (film, path));
+ } else {
+ content.reset (new ImageContent (film, path));
+ }
+
+ } else {
+
+ string ext = path.extension().string ();
+ transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
+
+ if (valid_image_file (path)) {
+ content.reset (new ImageContent (film, path));
+ } else if (SndfileContent::valid_file (path)) {
+ content.reset (new SndfileContent (film, path));
+ } else if (ext == ".srt" || ext == ".ssa") {
+ content.reset (new TextSubtitleContent (film, path));
+ } else if (ext == ".xml") {
+ content.reset (new DCPSubtitleContent (film, path));
+ } else if (ext == ".mxf" && dcp::SMPTESubtitleAsset::valid_mxf (path)) {
+ content.reset (new DCPSubtitleContent (film, path));
+ }
+
+ if (!content) {
+ content.reset (new FFmpegContent (film, path));
+ }
}
return content;