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authorCarl Hetherington <cth@carlh.net>2014-07-01 14:28:04 +0100
committerCarl Hetherington <cth@carlh.net>2014-07-01 14:28:04 +0100
commit15f23b356b757a9697bf1a9ec30c243ab8070404 (patch)
tree5b86b032ea47f606bbadb0c32801e16064d341a9 /src/lib/dcp_video.h
parent45e6a6df959188bfdb8dfc4906c35d1a3c234b0a (diff)
DCPVideoFrame -> DCPVideo and PlayerVideoFrame -> PlayerVideo.
Diffstat (limited to 'src/lib/dcp_video.h')
-rw-r--r--src/lib/dcp_video.h127
1 files changed, 127 insertions, 0 deletions
diff --git a/src/lib/dcp_video.h b/src/lib/dcp_video.h
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+/*
+ 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
+};