diff options
| author | Carl Hetherington <cth@carlh.net> | 2014-07-01 14:28:04 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2014-07-01 14:28:04 +0100 |
| commit | 15f23b356b757a9697bf1a9ec30c243ab8070404 (patch) | |
| tree | 5b86b032ea47f606bbadb0c32801e16064d341a9 /src/lib/dcp_video.h | |
| parent | 45e6a6df959188bfdb8dfc4906c35d1a3c234b0a (diff) | |
DCPVideoFrame -> DCPVideo and PlayerVideoFrame -> PlayerVideo.
Diffstat (limited to 'src/lib/dcp_video.h')
| -rw-r--r-- | src/lib/dcp_video.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/lib/dcp_video.h b/src/lib/dcp_video.h new file mode 100644 index 000000000..7b01966bd --- /dev/null +++ b/src/lib/dcp_video.h @@ -0,0 +1,127 @@ +/* + Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net> + Taken from code Copyright (C) 2010-2011 Terrence Meiczinger + + 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. + +*/ + +#include <dcp/picture_mxf_writer.h> +#include "util.h" + +/** @file src/dcp_video_frame.h + * @brief A single frame of video destined for a DCP. + */ + +class Film; +class ServerDescription; +class Scaler; +class Image; +class Log; +class Subtitle; +class PlayerVideo; + +/** @class EncodedData + * @brief Container for J2K-encoded data. + */ +class EncodedData : public boost::noncopyable +{ +public: + /** @param s Size of data, in bytes */ + EncodedData (int s); + + EncodedData (boost::filesystem::path); + + virtual ~EncodedData (); + + void send (boost::shared_ptr<Socket> socket); + void write (boost::shared_ptr<const Film>, int, Eyes) const; + void write_info (boost::shared_ptr<const Film>, int, Eyes, dcp::FrameInfo) const; + + /** @return data */ + uint8_t* data () const { + return _data; + } + + /** @return data size, in bytes */ + int size () const { + return _size; + } + +protected: + uint8_t* _data; ///< data + int _size; ///< data size in bytes +}; + +/** @class LocallyEncodedData + * @brief EncodedData that was encoded locally; this class + * just keeps a pointer to the data, but does no memory + * management. + */ +class LocallyEncodedData : public EncodedData +{ +public: + /** @param d Data (which will be copied by this class) + * @param s Size of data, in bytes. + */ + LocallyEncodedData (uint8_t* d, int s); +}; + +/** @class RemotelyEncodedData + * @brief EncodedData that is being read from a remote server; + * this class allocates and manages memory for the data. + */ +class RemotelyEncodedData : public EncodedData +{ +public: + RemotelyEncodedData (int s); +}; + +/** @class DCPVideo + * @brief A single frame of video destined for a DCP. + * + * Given an Image and some settings, this class knows how to encode + * the image to J2K either on the local host or on a remote server. + * + * Objects of this class are used for the queue that we keep + * of images that require encoding. + */ +class DCPVideo : public boost::noncopyable +{ +public: + DCPVideo (boost::shared_ptr<const PlayerVideo>, int, int, int, Resolution, boost::shared_ptr<Log>); + DCPVideo (boost::shared_ptr<const PlayerVideo>, cxml::ConstNodePtr, boost::shared_ptr<Log>); + + boost::shared_ptr<EncodedData> encode_locally (); + boost::shared_ptr<EncodedData> encode_remotely (ServerDescription); + + int index () const { + return _index; + } + + Eyes eyes () const; + +private: + + void add_metadata (xmlpp::Element *) const; + + boost::shared_ptr<const PlayerVideo> _frame; + int _index; ///< frame index within the DCP's intrinsic duration + int _frames_per_second; ///< Frames per second that we will use for the DCP + int _j2k_bandwidth; ///< J2K bandwidth to use + Resolution _resolution; ///< Resolution (2K or 4K) + + boost::shared_ptr<Log> _log; ///< log +}; |
