Stop double-calculation of hashes.

[dcpomatic.git] / src / lib / subtitle_decoder.h

diff --git a/src/lib/subtitle_decoder.h b/src/lib/subtitle_decoder.h
index 3f06afae396260c1d5d3ebb17fe294905c2dcfc9..ef62d8b88355f73c6a6f4e308e036664296fce1c 100644 (file)
--- a/src/lib/subtitle_decoder.h
+++ b/src/lib/subtitle_decoder.h
@@ -20,14 +20,12 @@
 #ifndef DCPOMATIC_SUBTITLE_DECODER_H
 #define DCPOMATIC_SUBTITLE_DECODER_H
 
-#include <dcp/subtitle_string.h>
 #include "decoder.h"
 #include "rect.h"
 #include "types.h"
 #include "content_subtitle.h"
+#include <dcp/subtitle_string.h>
 
-class Film;
-class DCPTimedSubtitle;
 class Image;
 
 class SubtitleDecoder : public virtual Decoder
@@ -35,25 +33,28 @@ class SubtitleDecoder : public virtual Decoder
 public:
        SubtitleDecoder (boost::shared_ptr<const SubtitleContent>);
 
-       std::list<ContentImageSubtitle> get_image_subtitles (ContentTimePeriod period);
-       std::list<ContentTextSubtitle> get_text_subtitles (ContentTimePeriod period);
+       std::list<ContentImageSubtitle> get_image_subtitles (ContentTimePeriod period, bool starting, bool accurate);
+       std::list<ContentTextSubtitle> get_text_subtitles (ContentTimePeriod period, bool starting, bool accurate);
 
 protected:
        void seek (ContentTime, bool);
-       
+
        void image_subtitle (ContentTimePeriod period, boost::shared_ptr<Image>, dcpomatic::Rect<double>);
-       void text_subtitle (std::list<dcp::SubtitleString>);
+       void text_subtitle (ContentTimePeriod period, std::list<dcp::SubtitleString>);
 
        std::list<ContentImageSubtitle> _decoded_image_subtitles;
        std::list<ContentTextSubtitle> _decoded_text_subtitles;
+       boost::shared_ptr<const SubtitleContent> _subtitle_content;
 
 private:
        template <class T>
-       std::list<T> get (std::list<T> const & subs, ContentTimePeriod period);
+       std::list<T> get (std::list<T> const & subs, std::list<ContentTimePeriod> const & sp, ContentTimePeriod period, bool starting, bool accurate);
 
-       virtual bool has_subtitle_during (ContentTimePeriod) const = 0;
-       
-       boost::shared_ptr<const SubtitleContent> _subtitle_content;
+       /** @param starting true if we want only subtitles that start during the period, otherwise
+        *  we want subtitles that overlap the period.
+        */
+       virtual std::list<ContentTimePeriod> image_subtitles_during (ContentTimePeriod period, bool starting) const = 0;
+       virtual std::list<ContentTimePeriod> text_subtitles_during (ContentTimePeriod period, bool starting) const = 0;
 };
 
 #endif