X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fpicture_asset.h;h=b8dab05205e1f17542e934dbde8d25dfdebfbfc7;hb=bf59c288798851808359575662f202d390032aa7;hp=d2c6f656a546662a5c3b2bd26eea4ab8c492c46c;hpb=f150c837cdc6eeee8f61e743586ddbaf2a8c8010;p=libdcp.git diff --git a/src/picture_asset.h b/src/picture_asset.h index d2c6f656..b8dab052 100644 --- a/src/picture_asset.h +++ b/src/picture_asset.h @@ -17,111 +17,87 @@ */ +#ifndef LIBDCP_PICTURE_ASSET_H +#define LIBDCP_PICTURE_ASSET_H + /** @file src/picture_asset.h - * @brief An asset made up of JPEG2000 files + * @brief An asset made up of JPEG2000 data */ #include #include "mxf_asset.h" #include "util.h" +#include "metadata.h" + +namespace ASDCP { + namespace JP2K { + class PictureDescriptor; + } +} namespace libdcp { class MonoPictureFrame; -class StereoPictureFrame; +class StereoPictureFrame; +class PictureAssetWriter; -/** @brief An asset made up of JPEG2000 files */ +/** @brief An asset made up of JPEG2000 data */ class PictureAsset : public MXFAsset { public: - PictureAsset (std::string directory, std::string mxf_name, boost::signals2::signal* progress, int fps, int intrinsic_duration); - - /** Write details of this asset to a CPL stream. - * @param s Stream. + /** Construct a PictureAsset. + * + * @param directory Directory where MXF file is. + * @param mxf_name Name of MXF file. */ - void write_to_cpl (std::ostream& s) const; - - bool equals (boost::shared_ptr other, EqualityOptions opt, std::list& notes) const; + 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; + virtual void read () = 0; + virtual void create (std::vector const &) {} + virtual void create (boost::function) {} + Size size () const { return _size; } + void set_size (Size s) { + _size = s; + } + + void write_to_cpl (xmlpp::Element *) const; + protected: bool frame_buffer_equals ( - int frame, EqualityOptions opt, std::list& notes, + int frame, EqualityOptions opt, boost::function 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 + ) const; + /** picture size in pixels */ Size _size; -}; - -/** A 2D (monoscopic) picture asset */ -class MonoPictureAsset : public PictureAsset -{ -public: - /** Construct a PictureAsset, generating the MXF from the JPEG2000 files. - * This may take some time; progress is indicated by emission of the Progress signal. - * @param files Pathnames of JPEG2000 files, in frame order. - * @param directory Directory in which to create MXF file. - * @param mxf_name Name of MXF file to create. - * @param progress Signal to inform of progress. - * @param fps Frames per second. - * @param intrinsic_duration Length of the whole asset in frames. - * @param size Size of images in pixels. - */ - MonoPictureAsset ( - std::vector const & files, - std::string directory, - std::string mxf_name, - boost::signals2::signal* progress, - int fps, - int intrinsic_duration, - Size size - ); - - /** Construct a PictureAsset, generating the MXF from the JPEG2000 files. - * This may take some time; progress is indicated by emission of the Progress signal. - * @param get_path Functor which returns a JPEG2000 file path for a given frame (frames counted from 0). - * @param directory Directory in which to create MXF file. - * @param mxf_name Name of MXF file to create. - * @param progress Signal to inform of progress. - * @param fps Frames per second. - * @param intrinsic_duration Length of the whole asset in frames. - * @param size Size of images in pixels. - */ - MonoPictureAsset ( - boost::function get_path, - std::string directory, - std::string mxf_name, - boost::signals2::signal* progress, - int fps, - int intrinsic_duration, - Size size - ); - - MonoPictureAsset (std::string directory, std::string mxf_name, int fps, int intrinsic_duration); - - boost::shared_ptr get_frame (int n) const; - bool equals (boost::shared_ptr other, EqualityOptions opt, std::list& notes) const; private: - std::string path_from_list (int f, std::vector const & files) const; - void construct (boost::function); -}; - -/** A 3D (stereoscopic) picture asset */ -class StereoPictureAsset : public PictureAsset -{ -public: - StereoPictureAsset (std::string directory, std::string mxf_name, int fps, int intrinsic_duration); - - boost::shared_ptr get_frame (int n) const; - bool equals (boost::shared_ptr other, EqualityOptions opt, std::list& notes) const; + std::string key_type () const; + virtual int edit_rate_factor () const = 0; }; } + +#endif