diff options
Diffstat (limited to 'src/smpte_subtitle_asset.cc')
| -rw-r--r-- | src/smpte_subtitle_asset.cc | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/smpte_subtitle_asset.cc b/src/smpte_subtitle_asset.cc index f9406793..ae473071 100644 --- a/src/smpte_subtitle_asset.cc +++ b/src/smpte_subtitle_asset.cc @@ -62,6 +62,7 @@ using boost::is_any_of; using boost::shared_array; using boost::dynamic_pointer_cast; using boost::optional; +using boost::starts_with; using namespace dcp; static string const subtitle_smpte_ns = "http://www.smpte-ra.org/schemas/428-7/2010/DCST"; @@ -116,6 +117,33 @@ SMPTESubtitleAsset::SMPTESubtitleAsset (boost::filesystem::path file) ) ); } + + /* Try to read PNG files from the same folder that the XML is in; the wisdom of this is + debatable, at best... + */ + BOOST_FOREACH (shared_ptr<Subtitle> i, _subtitles) { + shared_ptr<SubtitleImage> im = dynamic_pointer_cast<SubtitleImage>(i); + if (im && im->png_image().size() == 0) { + /* Even more dubious; allow <id>.png or urn:uuid:<id>.png */ + boost::filesystem::path p = file.parent_path() / String::compose("%1.png", im->id()); + if (boost::filesystem::is_regular_file(p)) { + im->read_png_file (p); + } else if (starts_with (im->id(), "urn:uuid:")) { + p = file.parent_path() / String::compose("%1.png", remove_urn_uuid(im->id())); + if (boost::filesystem::is_regular_file(p)) { + im->read_png_file (p); + } + } + } + } + } + + /* Check that all required image data have been found */ + BOOST_FOREACH (shared_ptr<Subtitle> i, _subtitles) { + shared_ptr<SubtitleImage> im = dynamic_pointer_cast<SubtitleImage>(i); + if (im && im->png_image().size() == 0) { + throw MissingSubtitleImageError (im->id()); + } } } |