UPDATE: SVT-AV1 1.6.0

Here is an update to SVT-AV1 1.6.0.


## [1.6.0] - 2023-06-18

Encoder
- Improve the tradeoffs for the random access mode across presets M1-M13:
- Speeding up the higher quality presets by 30-40%
- Improving the BD-rate by 1-2% for the faster presets
- Improve the tradeoffs for the low delay mode for both scrren content and non-screen content encoding modes
- Add a toggle to remove the legacy one-frame buffer at the input of the pipeline alowing the low delay mode to operate at sub-frame processing latencies
- Add a new API allowing the user to specify quantization offsets for a region of interest per frame

Build, cleanup and bug fixes
- Various cleanups and functional bug fixes
- Fix the startup minigop size BD-rate loss
- Add ability to run the ci-testing offline


Index: Makefile
===================================================================
RCS file: /home/cvs/ports/multimedia/svt-av1/Makefile,v
retrieving revision 1.14
diff -u -p -u -p -r1.14 Makefile
--- Makefile 30 Apr 2023 11:54:30 -0000 1.14
+++ Makefile 21 Jun 2023 03:43:32 -0000
@@ -2,7 +2,7 @@ ONLY_FOR_ARCHS= ${LP64_ARCHS} i386

COMMENT= scalable AV1 encoder/decoder

-VER= 1.5.0
+VER= 1.6.0
DISTNAME= SVT-AV1-v${VER}
PKGNAME= svt-av1-${VER}
CATEGORIES= multimedia
@@ -10,7 +10,7 @@ MASTER_SITES= https://gitlab.com/AOMedia
EXTRACT_SUFX= .tar.bz2

SHARED_LIBS= SvtAv1Dec 2.0 \
- SvtAv1Enc 3.0
+ SvtAv1Enc 3.1

HOMEPAGE= https://gitlab.com/AOMediaCodec/SVT-AV1

Index: distinfo
===================================================================
RCS file: /home/cvs/ports/multimedia/svt-av1/distinfo,v
retrieving revision 1.12
diff -u -p -u -p -r1.12 distinfo
--- distinfo 30 Apr 2023 11:54:30 -0000 1.12
+++ distinfo 21 Jun 2023 03:30:24 -0000
@@ -1,2 +1,2 @@
-SHA256 (SVT-AV1-v1.5.0.tar.bz2) = pkmwcZBvuEDfGfsOLsl8BP3oLI7WTfuGYvYly4vGJF4=
-SIZE (SVT-AV1-v1.5.0.tar.bz2) = 9490521
+SHA256 (SVT-AV1-v1.6.0.tar.bz2) = xrSREaLUxRE/GtoML3FtlL1KjbcEYj1FMGaCZAHs2rU=
+SIZE (SVT-AV1-v1.6.0.tar.bz2) = 9517819