Store reel lengths in DCPContent to speed up e.g. timeline with many DCPs.

[dcpomatic.git] / src / lib / ffmpeg_subtitle_stream.cc

diff --git a/src/lib/ffmpeg_subtitle_stream.cc b/src/lib/ffmpeg_subtitle_stream.cc
index eb870c24164e3bb362b8385d2ff8f6162b8c23d5..d389714e9e0c5ef9f194432e88bc34dfd08e2a82 100644 (file)
--- a/src/lib/ffmpeg_subtitle_stream.cc
+++ b/src/lib/ffmpeg_subtitle_stream.cc
@@ -19,7 +19,7 @@
 */
 
 #include "ffmpeg_subtitle_stream.h"
-#include "raw_convert.h"
+#include <dcp/raw_convert.h>
 #include <libxml++/libxml++.h>
 #include <boost/foreach.hpp>
 #include <iostream>
@@ -29,6 +29,7 @@ using std::map;
 using std::list;
 using std::cout;
 using std::make_pair;
+using dcp::raw_convert;
 
 /** Construct a SubtitleStream from a value returned from to_string().
  *  @param t String returned from to_string().
@@ -180,6 +181,23 @@ FFmpegSubtitleStream::find_subtitle_to (string id) const
        return i->second.to;
 }
 
+/** @param id Subtitle id.
+ *  @return true if the `from' and `to' times for this id are equal, which indicates
+ *  that the `to' time is unknown.
+ */
+bool
+FFmpegSubtitleStream::unknown_to (string id) const
+{
+       PeriodMap::const_iterator i = _image_subtitles.find (id);
+       if (i != _image_subtitles.end ()) {
+               return i->second.from == i->second.to;
+       }
+
+       i = _text_subtitles.find (id);
+       DCPOMATIC_ASSERT (i != _text_subtitles.end ());
+       return i->second.from == i->second.to;
+}
+
 /** Add some offset to all the times in the stream */
 void
 FFmpegSubtitleStream::add_offset (ContentTime offset)
@@ -218,3 +236,19 @@ FFmpegSubtitleStream::has_image () const
 {
        return !_image_subtitles.empty ();
 }
+
+void
+FFmpegSubtitleStream::set_subtitle_to (string id, ContentTime to)
+{
+       PeriodMap::iterator i = _image_subtitles.find (id);
+       if (i != _image_subtitles.end ()) {
+               i->second.to = to;
+       } else {
+               i = _text_subtitles.find (id);
+               if (i != _text_subtitles.end ()) {
+                       i->second.to = to;
+               } else {
+                       DCPOMATIC_ASSERT (false);
+               }
+       }
+}