X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_content.h;h=75e507d4d799a7cfc24be6224bdaca26099c7eed;hb=bb0a36c3a6bea9cd1ebdde7b8a3a04765e317569;hp=ee4a64fc47fbf4265ce980ce24d7bf1d89a59246;hpb=ed78fd3d138114185e43edf81ffe91db17377da0;p=dcpomatic.git diff --git a/src/lib/video_content.h b/src/lib/video_content.h index ee4a64fc4..8313c73ee 100644 --- a/src/lib/video_content.h +++ b/src/lib/video_content.h @@ -1,8 +1,195 @@ +/* + Copyright (C) 2013-2014 Carl Hetherington + + This program 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, + 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. + +*/ + +#ifndef DCPOMATIC_VIDEO_CONTENT_H +#define DCPOMATIC_VIDEO_CONTENT_H + #include "content.h" +#include "colour_conversion.h" + +class VideoExaminer; +class Ratio; + +class VideoContentProperty +{ +public: + static int const VIDEO_SIZE; + static int const VIDEO_FRAME_RATE; + static int const VIDEO_FRAME_TYPE; + static int const VIDEO_CROP; + static int const VIDEO_SCALE; + static int const COLOUR_CONVERSION; +}; + +class VideoContentScale +{ +public: + VideoContentScale (); + VideoContentScale (Ratio const *); + VideoContentScale (bool); + VideoContentScale (cxml::NodePtr); + + dcp::Size size (boost::shared_ptr, dcp::Size, dcp::Size) const; + std::string id () const; + std::string name () const; + void as_xml (xmlpp::Node *) const; + + Ratio const * ratio () const { + return _ratio; + } + + bool scale () const { + return _scale; + } + + static void setup_scales (); + static std::vector all () { + return _scales; + } + +private: + /** a ratio to stretch the content to, or 0 for no stretch */ + Ratio const * _ratio; + /** true if we want to scale the content */ + bool _scale; + + static std::vector _scales; +}; + +bool operator== (VideoContentScale const & a, VideoContentScale const & b); +bool operator!= (VideoContentScale const & a, VideoContentScale const & b); class VideoContent : public virtual Content { public: + typedef int Frame; + + VideoContent (boost::shared_ptr); + VideoContent (boost::shared_ptr, DCPTime, ContentTime); + VideoContent (boost::shared_ptr, boost::filesystem::path); + VideoContent (boost::shared_ptr, cxml::ConstNodePtr, int); + VideoContent (boost::shared_ptr, std::vector >); + + void as_xml (xmlpp::Node *) const; + std::string technical_summary () const; + virtual std::string information () const; + virtual std::string identifier () const; + + ContentTime video_length () const { + boost::mutex::scoped_lock lm (_mutex); + return _video_length; + } + + ContentTime video_length_after_3d_combine () const { + boost::mutex::scoped_lock lm (_mutex); + if (_video_frame_type == VIDEO_FRAME_TYPE_3D_ALTERNATE) { + return ContentTime (_video_length.get() / 2); + } + + return _video_length; + } + + dcp::Size video_size () const { + boost::mutex::scoped_lock lm (_mutex); + return _video_size; + } + float video_frame_rate () const { + boost::mutex::scoped_lock lm (_mutex); + return _video_frame_rate; + } + + void set_video_frame_type (VideoFrameType); + + void set_left_crop (int); + void set_right_crop (int); + void set_top_crop (int); + void set_bottom_crop (int); + + void set_scale (VideoContentScale); + void set_colour_conversion (ColourConversion); + + VideoFrameType video_frame_type () const { + boost::mutex::scoped_lock lm (_mutex); + return _video_frame_type; + } + + Crop crop () const { + boost::mutex::scoped_lock lm (_mutex); + return _crop; + } + + int left_crop () const { + boost::mutex::scoped_lock lm (_mutex); + return _crop.left; + } + + int right_crop () const { + boost::mutex::scoped_lock lm (_mutex); + return _crop.right; + } + int top_crop () const { + boost::mutex::scoped_lock lm (_mutex); + return _crop.top; + } + + int bottom_crop () const { + boost::mutex::scoped_lock lm (_mutex); + return _crop.bottom; + } + + /** @return Description of how to scale this content (if indeed it should be scaled) */ + VideoContentScale scale () const { + boost::mutex::scoped_lock lm (_mutex); + return _scale; + } + + ColourConversion colour_conversion () const { + boost::mutex::scoped_lock lm (_mutex); + return _colour_conversion; + } + + dcp::Size video_size_after_3d_split () const; + dcp::Size video_size_after_crop () const; + + ContentTime dcp_time_to_content_time (DCPTime) const; + +protected: + void take_from_video_examiner (boost::shared_ptr); + + ContentTime _video_length; + float _video_frame_rate; + +private: + friend class ffmpeg_pts_offset_test; + friend class best_dcp_frame_rate_test_single; + friend class best_dcp_frame_rate_test_double; + friend class audio_sampling_rate_test; + + void setup_default_colour_conversion (); + + dcp::Size _video_size; + VideoFrameType _video_frame_type; + Crop _crop; + VideoContentScale _scale; + ColourConversion _colour_conversion; }; + +#endif