X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fpicture_asset.h;h=2c3917a491c5549670ba3e539a4aef6656f40337;hb=2ae92dcc97765deb2845dd07a338858aeb375cb3;hp=b404abd2e5d0bb897d23391adcd3e520e4291d5f;hpb=bfb33feb40c5b014e9eae3958b1ecb8161f1d090;p=libdcp.git diff --git a/src/picture_asset.h b/src/picture_asset.h index b404abd2..2c3917a4 100644 --- a/src/picture_asset.h +++ b/src/picture_asset.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2014 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 @@ -21,13 +21,13 @@ #define LIBDCP_PICTURE_ASSET_H /** @file src/picture_asset.h - * @brief An asset made up of JPEG2000 data + * @brief PictureAsset class. */ -#include -#include "mxf_asset.h" +#include "mxf.h" #include "util.h" #include "metadata.h" +#include namespace ASDCP { namespace JP2K { @@ -35,39 +35,28 @@ namespace ASDCP { } } -namespace libdcp +namespace dcp { -class MonoPictureFrame; +class MonoPictureFrame; class StereoPictureFrame; class PictureAssetWriter; -/** @brief An asset made up of JPEG2000 data */ -class PictureAsset : public MXFAsset +/** @class PictureAsset + * @brief An asset made up of JPEG2000 data. + */ +class PictureAsset : public Asset, public MXF { public: - /** Construct a PictureAsset. - * - * @param directory Directory where MXF file is. - * @param mxf_name Name of MXF file. - */ - PictureAsset (boost::filesystem::path directory, boost::filesystem::path mxf_name); - - /** Start a progressive write to this asset. - * The following parameters must be set up (if required) before calling this: - * Interop mode (set_interop) - * Edit rate (set_edit_rate) - * MXF Metadata (set_metadata) - * - * @param overwrite true to overwrite an existing MXF file; in this mode, writing can be resumed to a partially-written MXF; false if the - * MXF file does not exist. - */ - virtual boost::shared_ptr start_write (bool overwrite) = 0; + PictureAsset (boost::filesystem::path file); + PictureAsset (Fraction edit_rate); + + virtual boost::shared_ptr start_write ( + boost::filesystem::path file, + Standard standard, + bool overwrite + ) = 0; - virtual void read () = 0; - virtual void create (std::vector const &) {} - virtual void create (boost::function) {} - Size size () const { return _size; } @@ -76,31 +65,61 @@ public: _size = s; } - void write_to_cpl (xmlpp::Element *) const; + Fraction frame_rate () const { + return _frame_rate; + } -protected: + void set_frame_rate (Fraction r) { + _frame_rate = r; + } + + Fraction screen_aspect_ratio () const { + return _screen_aspect_ratio; + } + + void set_screen_aspect_ratio (Fraction r) { + _screen_aspect_ratio = r; + } + + Fraction edit_rate () const { + return _edit_rate; + } - std::string asdcp_kind () const { - return "Picture"; + int64_t intrinsic_duration () const { + return _intrinsic_duration; } +protected: + friend class MonoPictureAssetWriter; + friend class StereoPictureAssetWriter; + bool frame_buffer_equals ( - int frame, EqualityOptions opt, boost::function note, + int frame, EqualityOptions opt, NoteHandler note, uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B ) const; bool descriptor_equals ( - ASDCP::JP2K::PictureDescriptor const & a, ASDCP::JP2K::PictureDescriptor const & b, boost::function + ASDCP::JP2K::PictureDescriptor const & a, + ASDCP::JP2K::PictureDescriptor const & b, + NoteHandler note ) const; + void read_picture_descriptor (ASDCP::JP2K::PictureDescriptor const &); + + Fraction _edit_rate; + /** The total length of this content in video frames. The amount of + * content presented may be less than this. + */ + int64_t _intrinsic_duration; /** picture size in pixels */ Size _size; + Fraction _frame_rate; + Fraction _screen_aspect_ratio; private: - std::string key_type () const; - virtual int edit_rate_factor () const = 0; + std::string pkl_type (Standard standard) const; }; - + }