#include "video_content.h"
#include "util.h"
#include "content_video.h"
+#include "decoder_part.h"
#include <boost/signals2.hpp>
#include <boost/shared_ptr.hpp>
/** @class VideoDecoder
* @brief Parent for classes which decode video.
*/
-class VideoDecoder
+class VideoDecoder : public DecoderPart
{
public:
VideoDecoder (Decoder* parent, boost::shared_ptr<const Content> c, boost::shared_ptr<Log> log);
- std::list<ContentVideo> get (Frame frame, bool accurate);
-
- void set_ignore ();
- bool ignore () const {
- return _ignore;
- }
-
-#ifdef DCPOMATIC_DEBUG
- int test_gaps;
-#endif
-
friend struct video_decoder_fill_test1;
friend struct video_decoder_fill_test2;
friend struct ffmpeg_pts_offset_test;
friend void ffmpeg_decoder_sequential_test_one (boost::filesystem::path file, float fps, int gaps, int video_length);
- void seek (ContentTime time, bool accurate);
- void give (boost::shared_ptr<const ImageProxy>, Frame frame);
+ ContentTime position () const {
+ return _position;
+ }
-private:
+ void emit (boost::shared_ptr<const ImageProxy>, Frame frame);
- std::list<ContentVideo> decoded (Frame frame);
- void fill_one_eye (Frame from, Frame to, Eyes);
- void fill_both_eyes (VideoFrame from, VideoFrame to);
+ /** @return true if the emitted data was accepted, false if not */
+ boost::signals2::signal<bool (ContentVideo)> Data;
- Decoder* _parent;
+private:
boost::shared_ptr<const Content> _content;
- boost::shared_ptr<Log> _log;
- std::list<ContentVideo> _decoded;
- boost::shared_ptr<Image> _black_image;
- boost::optional<ContentTime> _last_seek_time;
- bool _last_seek_accurate;
- /** true if this decoder should ignore all video; i.e. never produce any */
- bool _ignore;
- /** if set, this is a frame for which we got no data because the Decoder said
- * it has no more to give.
- */
- boost::optional<Frame> _no_data_frame;
+ boost::optional<Frame> _last_emitted;
+ ContentTime _position;
};
#endif