X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_decoder.h;h=9d69f743a33d6c08d3efae5af36329a4278cb709;hb=bc624b309005ad4f681c0b0451a46f42b959f5b3;hp=a2fd5b6510a1fb297c555cf49ce749772e998d21;hpb=6809fdcbf8c65afe3c986b0e2b430d55ce7b124c;p=dcpomatic.git diff --git a/src/lib/video_decoder.h b/src/lib/video_decoder.h index a2fd5b651..9d69f743a 100644 --- a/src/lib/video_decoder.h +++ b/src/lib/video_decoder.h @@ -1,75 +1,77 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2021 Carl Hetherington - This program is free software; you can redistribute it and/or modify + This file is part of DCP-o-matic. + + DCP-o-matic is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + DCP-o-matic is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + along with DCP-o-matic. If not, see . */ -#ifndef DVDOMATIC_VIDEO_DECODER_H -#define DVDOMATIC_VIDEO_DECODER_H -#include "video_source.h" +/** @file src/lib/video_decoder.h + * @brief VideoDecoder class. + */ + + +#ifndef DCPOMATIC_VIDEO_DECODER_H +#define DCPOMATIC_VIDEO_DECODER_H + + #include "decoder.h" +#include "video_content.h" +#include "util.h" +#include "content_video.h" +#include "decoder_part.h" +#include + class VideoContent; +class ImageProxy; +class Image; +class Log; +class FrameIntervalChecker; -class VideoDecoder : public VideoSource, public virtual Decoder + +/** @class VideoDecoder + * @brief Parent for classes which decode video. + */ +class VideoDecoder : public DecoderPart { public: - VideoDecoder (boost::shared_ptr); - - /** @return video frames per second, or 0 if unknown */ - virtual float frames_per_second () const = 0; - /** @return native size in pixels */ - virtual libdcp::Size native_size () const = 0; - /** @return length according to our content's header */ - virtual ContentVideoFrame video_length () const = 0; - - virtual int time_base_numerator () const = 0; - virtual int time_base_denominator () const = 0; - virtual int sample_aspect_ratio_numerator () const = 0; - virtual int sample_aspect_ratio_denominator () const = 0; - - void set_progress (Job *) const; - - int video_frame () const { - return _video_frame; - } + VideoDecoder (Decoder* parent, std::shared_ptr c); + + 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); - double last_source_time () const { - return _last_source_time; + boost::optional position (std::shared_ptr) const { + return _position; } -protected: - - virtual PixelFormat pixel_format () const = 0; + void seek (); + void emit (std::shared_ptr film, std::shared_ptr, Frame frame); - void emit_video (boost::shared_ptr, double); - void emit_subtitle (boost::shared_ptr); - void repeat_last_video (); + boost::signals2::signal Data; private: - void signal_video (boost::shared_ptr, bool, boost::shared_ptr); - - int _video_frame; - double _last_source_time; - - boost::shared_ptr _timed_subtitle; - - boost::shared_ptr _last_image; - boost::shared_ptr _last_subtitle; + std::shared_ptr _content; + /** Eyes of last thing to be emitted; only used for THREE_D_ALTERNATE */ + boost::optional _last_emitted_eyes; + boost::optional _position; + boost::scoped_ptr _frame_interval_checker; }; + #endif