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

diff --git a/src/lib/ffmpeg_examiner.h b/src/lib/ffmpeg_examiner.h
index da88156e4b08f42d2bb21e88b38e87b1c00cad1f..45313ec18cc22f501bf626c74f6bb5459d4a18e4 100644 (file)
--- a/src/lib/ffmpeg_examiner.h
+++ b/src/lib/ffmpeg_examiner.h
@@ -35,10 +35,10 @@ class FFmpegExaminer : public FFmpeg, public VideoExaminer
 public:
        FFmpegExaminer (std::shared_ptr<const FFmpegContent>, std::shared_ptr<Job> job = std::shared_ptr<Job>());
 
-       bool has_video () const;
+       bool has_video () const override;
 
        boost::optional<double> video_frame_rate () const override;
-       dcp::Size video_size () const override;
+       boost::optional<dcp::Size> video_size() const override;
        Frame video_length () const override;
        boost::optional<double> sample_aspect_ratio () const override;
        bool yuv () const override;
@@ -77,6 +77,8 @@ public:
 
        boost::optional<int> bits_per_pixel () const;
 
+       bool has_alpha() const;
+
        boost::optional<double> rotation () const {
                return _rotation;
        }