add V_DIRAC

The sequence header should have been in CodecPrivate but it's too late to fix that.
robUx4 · Oct 25, 2024 · f6df9c7 · f6df9c7
1 parent 515011b
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diff --git a/codec_iana.md b/codec_iana.md
@@ -22,6 +22,7 @@ V_AV1 | 1 | Alliance for Open Media AV1 | This document, (#v-av1)
 V_AVS2 | 1 | AVS2-P2/IEEE.1857.4 | This document, (#v-avs2)
 V_AVS3 | 1 | AVS3-P2/IEEE.1857.10 | This document, (#v-avs3)
 V_CAVS | 1 | AVS1-P2/IEEE.1857.3 | This document, (#v-cavs)
+V_DIRAC | 1 | Dirac / VC-2 | This document, (#v-dirac)
 V_FFV1 | 1 | FFV1 | This document, (#v-ffv1)
 V_MJPEG | 1 | Motion JPEG | This document, (#v-mjpeg)
 V_MPEGH/ISO/HEVC | 1 | HEVC/H.265 | This document, (#v-mpegh-iso-hevc)

diff --git a/codec_specs.md b/codec_specs.md
@@ -189,6 +189,15 @@ Codec Name: AVS1-P2, JiZhun profile
 
 Description: Individual pictures of AVS1-P2 stored as described in [@!IEEE.1857-3].
 
+### V_DIRAC
+
+Codec ID: V_DIRAC
+
+Codec Name: BBC Dirac
+
+Description: A video codec developed by the BBC [@Dirac]. The Intra-only version of Dirac, also known as Dirac Pro, resulted in SMPTE VC-2 [@ST.2042-1].
+Each Matroska frame corresponds to a Sequence as defined in [@!Dirac].
+
 ### V_FFV1
 
 Codec ID: V_FFV1

diff --git a/rfc_backmatter_codec.md b/rfc_backmatter_codec.md
@@ -51,6 +51,16 @@
   </front>
 </reference>
 
+<reference anchor="Dirac" target="https://web.archive.org/web/20150503015104/http://diracvideo.org/download/specification/dirac-spec-latest.pdf">
+  <front>
+    <title>Dirac Specification</title>
+    <author>
+      <organization>British Broadcasting Corporation</organization>
+    </author>
+    <date day="23" month="September" year="2008" />
+  </front>
+</reference>
+
 <reference anchor="DolbyVisionWithinIso" target="https://www.dolby.com/us/en/technologies/dolby-vision/dolby-vision-bitstreams-within-the-iso-base-media-file-format-v2.1.2.pdf">
   <front>
     <title>Dolby Vision Streams Within the ISO Base MediaFile Format</title>
@@ -240,6 +250,17 @@
   </front>
 </reference>
 
+<reference anchor="ST.2042-1" target="https://pub.smpte.org/pub/st2042-1/st2042-1-2022.pdf">
+  <front>
+    <title>VC-2 Video Compression</title>
+    <author>
+      <organization>SMPTE</organization>
+    </author>
+    <date day="8" month="December" year="2022" />
+  </front>
+  <seriesInfo name="ST" value="ST 2042-1:2022, DOI 10.5594/SMPTE.ST2042-1.2022" />
+</reference>
+
 <reference anchor="Theora" target="https://www.theora.org/doc/Theora.pdf">
   <front>
     <title>Theora Specification</title>