phdr

[asdcplib.git] / README

diff --git a/README b/README
index 567c4c6ea6f11fca67f66e553fd9505fdc27ac44..2ba249e18de0f4a2e95d6cede21dc7d4c5f86ab6 100755 (executable)
--- a/README
+++ b/README
@@ -129,6 +129,17 @@ blackwave - Write a WAVE file full of zeros,  Used to make filler
 
 j2c-test - Displays information about JP2K codestreams.
 
+Experimental feature: Prototype for High Dynamic Range is a wrapper
+for the IMF application that allows JPEG-2000 codestreams to be paired
+with opaque blobs of metadata.  AS-02 support must be enabled to
+build this feature, so --enable-as-02 must be enabled if
+--enable-phdr is to be used.  The following executable programs will be
+built:
+
+phdr-wrap - Writes AS-02 PHDR Essence Component files.
+
+phdr-unwrap - Extracts essence from AS-02 PHDR Essence Component files.
+
 
 Documentation
 
@@ -139,18 +150,29 @@ command-line utilities all respond to -h.
 
 
 Change History
+2015-01-22 - PHDR feature, bug fixes
+  o Added PHDR wrapping for AS-02.
+  o Added J2CLayout property to the JPEG2000PictureSubDescriptor.  This
+    support is preliminary: the Raw data type is being used instead of
+    RGBALayout type, which will be in the next release.
+
+
 2014-10-2 - Bug fixes and enhancements, 2.2.6
   o Fixed erroneous 377-4 MCA identifier in AS_DCP_PCM dump routine
-  o Fixed erroneous byte 13 in WaveAudioDescriptor_ReferenceAudioAlignmentLevel label
+  o Fixed erroneous byte 13 in
+    WaveAudioDescriptor_ReferenceAudioAlignmentLevel label
   o Added missing implementation of -W option to as-02.unwrap
   o Fixed erroneous use of d-cinema ChannelAssignment label in as-02-wrap
 
+
 2014-10-01 - Bug fixes and enhancements, 2.2.5
   o Finished AS-02 text wrap/unwrap
   o Fixed fractional seconds parsing for Timestamp objects
-  o Updated KLVPacket to use 64-bit length; allows huge packets in AS-02 PCM files
+  o Updated KLVPacket to use 64-bit length; allows huge packets
+    in AS-02 PCM files
   o cleaned up use of atoi() in the library
 
+
 2014-07-09 - Additional IMF/AS-02 support, bug fixes and enhancements, 2.1.4
   o Added IMF App 2 edit rates in AS_02 namespace: EditRate_29_97, 
     EditRate_59_94. 
@@ -175,6 +197,7 @@ Change History
     metadata (Thanks to Mike Radford).
   o Added new options to as-02-wrap.
 
+
 2014-01-06 – Additional IMF/AS-02 support, bug fixes 2.1.1
   o Fixed missing-index-partion bugs for AS-02 files.
   o Moved LocalFilenameResolver into the AS_DCP public API so that it