Support SSA subtitles embedded within FFmpeg files.

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

diff --git a/src/lib/ffmpeg.h b/src/lib/ffmpeg.h
index 961f5cbb1e2b259b8d205ceb93e808bc0867e767..9795b2229769468414fb8562278eed148dca55a5 100644 (file)
--- a/src/lib/ffmpeg.h
+++ b/src/lib/ffmpeg.h
@@ -33,6 +33,7 @@ struct AVFrame;
 struct AVIOContext;
 
 class FFmpegContent;
+class FFmpegAudioStream;
 class Log;
 
 class FFmpeg
@@ -51,7 +52,13 @@ public:
 protected:
        AVCodecContext* video_codec_context () const;
        AVCodecContext* subtitle_codec_context () const;
-       static FFmpegSubtitlePeriod subtitle_period (AVSubtitle const &);
+       ContentTime pts_offset (
+               std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams, boost::optional<ContentTime> first_video, double video_frame_rate
+               ) const;
+
+       static FFmpegSubtitlePeriod subtitle_period (AVSubtitle const & sub);
+       static std::string subtitle_id (AVSubtitle const & sub);
+       static bool subtitle_is_image (AVSubtitle const & sub);
 
        boost::shared_ptr<const FFmpegContent> _ffmpeg_content;