From: Carl Hetherington Date: Wed, 14 Jan 2015 17:39:32 +0000 (+0000) Subject: Simplify time representation; better in-tree DCP subtitle parser. X-Git-Tag: v1.1.0~13 X-Git-Url: https://git.carlh.net/gitweb/?a=commitdiff_plain;h=3f630fb8334238ab8a58fbe1a0f513ae2c00de80;p=libsub.git Simplify time representation; better in-tree DCP subtitle parser. --- diff --git a/asdcplib/COPYING b/asdcplib/COPYING new file mode 100644 index 0000000..c789978 --- /dev/null +++ b/asdcplib/COPYING @@ -0,0 +1,26 @@ + +AS-DCP Lib is Copyright (c) 2003-2009, John Hurst +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +3. The name of the author may not be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + diff --git a/asdcplib/Makefile.am b/asdcplib/Makefile.am new file mode 100644 index 0000000..d814bed --- /dev/null +++ b/asdcplib/Makefile.am @@ -0,0 +1,30 @@ +## Makefile.am -- Process this file with automake to produce Makefile.in +# +# $Id: Makefile.am,v 1.5 2009/04/09 19:25:39 msheby Exp $ +# Copyright (c) 2007-2009 John Hurst. 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Subsequent efforts have been funded +by Deluxe Laboratories, Doremi Labs, CineCert LLC, Avica +Technology and others. + +**The asdcplib project was originally housed on SourceForge. +The project has moved to http://www.cinecert.com/asdcplib/ + +The project formerly depended upon the mxflib project. Because +of its focus on covering the whole of the MXF specifications, +mxflib is considerably larger and more complex that what I +require for this application. For this reason I have created +a dedicated MXF implementation that is now part of this +library. Special thanks to Matt Beard and Oliver Morgan for +their great work and support. + +Thanks also to the members of the SMPTE DC28.20 packaging +ad-hoc group and the members of the MXF Interop Initiative +for their encouragement and support. Special thanks to +Jim Whittlesey and Howard Lukk at DCI for proposing and +supporting this project. + + +Design Notes + +This library is intended (but of course not limited) for +use by developers of commercial D-Cinema products. It is +designed to be easily integrated into a wide variety of +development environments. Commercial users are strongly +urged to use static linking (at least where you use this +library) to prevent malicious in-field replacement of +critical system modules. This recommendation should be +considered wherever Open Source or Free software is being +used in conjunction with critical security parameters, such +as cryptographic keys. + +The author strives mightily to provide an API that is completely +independent of operating system and other library dependencies, +and which allows selective replacement of some modules for +local needs. Specifically, the essence parsers and OpenSSL +crypto functions can be replaced by linking to alternative +implementations of the ASDCP:: objects which provide those +services. + +AS_DCP.h contains the entire API. You do not need to read +any of the other files, except maybe asdcp-test.cpp which +contains detailed usage examples of each of the API's +services. The KM_* files may be of interest for general +development support, but may be ignored if all you want +is simple AS-DCP support. + + +Build Instructions + +On more-or-less POSIX systems (OS X, Linux, and BSD), GNU make and +autotools are required to build asdcplib. The same configure script +will also build this package on Windows machines with Cygwin and +MinGW installed. For those Windows users who would prefer to build +this natively, an "nmake" build file and instructions can be found +in the win32 subdirectory. + +OpenSSL is also required, and the most recent version of v0.9.8 +is recommended. See http://www.openssl.org/ for more information +and download instructions. + +Optional support for writing Timed Text Track Files is supported by +either Xerces-C or Expat. See http://xerces.apache.org/xerces-c/ or +http://expat.sourceforge.net/ for source and build instructions. + +To configure and build, type './configure' followed by 'make'. There +are several test targets on the POSIX side, but you need to assemble +a set of test files to use them. + +I have tested this build on win32, Linux, OpenBSD, and Darwin +platforms. Others may work as well. + + + + +Utilities + +asdcp-test - Writes, reads and verifies AS-DCP (MXF) track files. + +asdcp-wrap - Writes AS-DCP (MXF) track files. + +asdcp-unwrap - Extracts essence from AS-DCP (MXF) track files. + +asdcp-info - Displays information about AS-DCP (MXF) track files. + +asdcp-util - Calculates digests and generates random numbers and UUIDs. + +kmfilegen - Writes and verifies large files using a platform- +independent format. Use it to test issues related to large files. + +kmuuidgen, kmrandgen - generate UUID values and random numbers. + +wavesplit - Splits a WAVE file into two or more output files. Used + to untangle incorrectly-paired DCDM sound files. + +blackwave - Write a WAVE file full of zeros, Used to make filler + tracks (though you would be better off modifying asdcp-test if + this is a common use case). + +j2c-test - Displays information about JP2K codestreams. + + +Documentation + +The API documentation is mostly in AS_DCP.h. Read that file for +a detailed description of the library's capabilities. Read +asdcp-test.cpp for library usage examples. The command-line +utilities all respond to -h. + + +Change History + +2012-03-06 - bug fixes, enhancements 1.9.45 + o Removed ASDCP::Timestamp, all items that were of that class are now + of class Kumu::Timestamp + o Refactored Kumu::Timestamp to use KM_tai for internal representation + (replaced public Y M D, h, m, s variables) + o Refactored Kumu::Timestamp to use KM_tai for WIN32 builds + o Added UTC offset awareness to Kumu::Timestamp + o Replaced "long GetSecondsSinceEpoch(void) const" with + "ui64_t GetCTime() const" + o Corrected UL version segment in "7.1 DS" and "WTF" audio format + labels (corresponds with publication of ST 429-2:2011). + o Exposed MXF object interface (MXF.h, Metadata.h) via ASDCP MXFReader + and MXFWriter classes. + o Added UL values from ST 377-4:2012. >>>>NOTE: These are preliminary + values, subject to change upon final publication of not only ST 377-4 + but also the relevant registries. This is a good time to compare them + to the standard and complain if you think they are wrong! + o Added MCALabelSubDescriptor, AudioChannelLabelSubDescriptor, + SoundfieldGroupLabelSubDescriptor, and + GroupOfSoundfieldGroupsLabelSubDescriptor (from ST 377-4:2012) to + Metadata.h + o Changed some internals to make MXFWriter::OPAtomHeader() work correctly. + o Split asdcp-test into several different programs to help relieve + the impenetrable-list-of-arguments problem. asdcp-wrap, asdcp-unwrap + and asdcp-info take the place of asdcp-test's -c, -x and -i options, + respectively. asdcp-util contains the remaining functions. Note that + asdcp-test is now DEPRECATED, new functionality and bug fixes will be + aimed at the new tools. Also note that some options and calling + conventions are different for the new tools as compared to asdcp-test. + Please read the synopses and make sure you understand the new idioms. + o asdcp-wrap has a new argument, -C