/*
- Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
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
*/
+#ifndef LIBDCP_PICTURE_ASSET_WRITER_H
+#define LIBDCP_PICTURE_ASSET_WRITER_H
+
#include <stdint.h>
#include <string>
#include <fstream>
class PictureAsset;
+/** Information about a single frame (either a monoscopic frame or a left *or* right eye stereoscopic frame) */
struct FrameInfo
{
+ FrameInfo ()
+ : offset (0)
+ , size (0)
+ {}
+
FrameInfo (uint64_t o, uint64_t s, std::string h)
: offset (o)
, size (s)
, hash (h)
{}
- FrameInfo (std::istream& s);
-
- void write (std::ostream& s);
-
uint64_t offset;
uint64_t size;
std::string hash;
bool _overwrite;
};
-/** A helper class for writing to MonoPictureAssets progressively (i.e. writing frame-by-frame,
- * rather than giving libdcp all the frames in one go).
- *
- * Objects of this class can only be created with MonoPictureAsset::start_write().
- *
- * Frames can be written to the MonoPictureAsset by calling write() with a JPEG2000 image
- * (a verbatim .j2c file). finalize() must be called after the last frame has been written.
- * The action of finalize() can't be done in MonoPictureAssetWriter's destructor as it may
- * throw an exception.
- */
-class MonoPictureAssetWriter : public PictureAssetWriter
-{
-public:
- FrameInfo write (uint8_t *, int);
- void fake_write (int size);
- void finalize ();
-
-private:
- friend class MonoPictureAsset;
-
- MonoPictureAssetWriter (PictureAsset *, bool);
- void start (uint8_t *, int);
-
- /* do this with an opaque pointer so we don't have to include
- ASDCP headers
- */
-
- struct ASDCPState;
- boost::shared_ptr<ASDCPState> _state;
-};
-
-/** A helper class for writing to StereoPictureAssets progressively (i.e. writing frame-by-frame,
- * rather than giving libdcp all the frames in one go).
- *
- * Objects of this class can only be created with StereoPictureAsset::start_write().
- *
- * Frames can be written to the MonoPictureAsset by calling write() with a JPEG2000 image
- * (a verbatim .j2c file). finalize() must be called after the last frame has been written.
- * The action of finalize() can't be done in MonoPictureAssetWriter's destructor as it may
- * throw an exception.
- */
-class StereoPictureAssetWriter : public PictureAssetWriter
-{
-public:
- FrameInfo write (uint8_t *, int);
- void fake_write (int size);
- void finalize ();
-
-private:
- friend class StereoPictureAsset;
-
- StereoPictureAssetWriter (PictureAsset *, bool);
- void start (uint8_t *, int);
-
- /* do this with an opaque pointer so we don't have to include
- ASDCP headers
- */
-
- struct ASDCPState;
- boost::shared_ptr<ASDCPState> _state;
-
- libdcp::Eye _next_eye;
-};
-
}
+
+#endif