+video_asset_filename (shared_ptr<dcp::PictureAsset> asset, int reel_index, int reel_count, optional<string> summary)
+{
+ dcp::NameFormat::Map values;
+ values['t'] = "j2c";
+ values['r'] = raw_convert<string> (reel_index + 1);
+ values['n'] = raw_convert<string> (reel_count);
+ if (summary) {
+ values['c'] = careful_string_filter (summary.get());
+ }
+ return Config::instance()->dcp_asset_filename_format().get(values, "_" + asset->id() + ".mxf");
+}
+
+string
+audio_asset_filename (shared_ptr<dcp::SoundAsset> asset, int reel_index, int reel_count, optional<string> summary)
+{
+ dcp::NameFormat::Map values;
+ values['t'] = "pcm";
+ values['r'] = raw_convert<string> (reel_index + 1);
+ values['n'] = raw_convert<string> (reel_count);
+ if (summary) {
+ values['c'] = careful_string_filter (summary.get());
+ }
+ return Config::instance()->dcp_asset_filename_format().get(values, "_" + asset->id() + ".mxf");
+}
+
+float
+relaxed_string_to_float (string s)