X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fsubtitle_decoder.h;h=d01c4e45b0ba5480567818d3f53809d1683fa325;hb=267e21bfb78593bcb87eb24ce01b88d0859566f7;hp=efa90fd92c7950280e8c900b42ccf3ce591a1b1d;hpb=854f2e5bbb7ffb9758b823af87034033033f3cb8;p=dcpomatic.git

diff --git a/src/lib/subtitle_decoder.h b/src/lib/subtitle_decoder.h
index efa90fd92..d01c4e45b 100644
--- a/src/lib/subtitle_decoder.h
+++ b/src/lib/subtitle_decoder.h
@@ -20,30 +20,42 @@
 #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
 {
 public:
-	SubtitleDecoder ();
+	SubtitleDecoder (boost::shared_ptr<const SubtitleContent>);
 
-	std::list<boost::shared_ptr<ContentImageSubtitle> > get_image_subtitles (ContentTime from, ContentTime to);
-	std::list<boost::shared_ptr<ContentTextSubtitle> > get_text_subtitles (ContentTime from, ContentTime to);
+	std::list<ContentImageSubtitle> get_image_subtitles (ContentTimePeriod period, bool starting);
+	std::list<ContentTextSubtitle> get_text_subtitles (ContentTimePeriod period, bool starting);
 
 protected:
-	void image_subtitle (ContentTime from, ContentTime to, boost::shared_ptr<Image>, dcpomatic::Rect<double>);
-	void text_subtitle (std::list<dcp::SubtitleString>);
+	void seek (ContentTime, bool);
+
+	void image_subtitle (ContentTimePeriod period, boost::shared_ptr<Image>, dcpomatic::Rect<double>);
+	void text_subtitle (ContentTimePeriod period, std::list<dcp::SubtitleString>);
+
+	std::list<ContentImageSubtitle> _decoded_image_subtitles;
+	std::list<ContentTextSubtitle> _decoded_text_subtitles;
+
+private:
+	template <class T>
+	std::list<T> get (std::list<T> const & subs, std::list<ContentTimePeriod> const & sp, ContentTimePeriod period, bool starting);
+
+	/** @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;
 
-	std::list<boost::shared_ptr<ContentImageSubtitle> > _decoded_image_subtitles;
-	std::list<boost::shared_ptr<ContentTextSubtitle> > _decoded_text_subtitles;
+	boost::shared_ptr<const SubtitleContent> _subtitle_content;
 };
 
 #endif