Fixed squared artefacts on image when converting to AVIF
OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/rav1e?expand=0&rev=31
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f553646d70fba8e265d436103a73520eb7adec8c.patch
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f553646d70fba8e265d436103a73520eb7adec8c.patch
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From f553646d70fba8e265d436103a73520eb7adec8c Mon Sep 17 00:00:00 2001
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From: David Michael Barr <b@rr-dav.id.au>
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Date: Thu, 8 Jul 2021 13:39:59 +0900
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Subject: [PATCH] Initialise residual when less than the transform width is
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visible
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The input stride for forward transforms did not match the output
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stride of residual computation in this case. Extend the residual
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stride to the transform width and zero the non-visible portion.
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Fixes #2662. Fixes #2757.
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---
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src/encoder.rs | 14 +++++++++++---
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1 file changed, 11 insertions(+), 3 deletions(-)
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diff --git a/src/encoder.rs b/src/encoder.rs
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index 564d78d7e..1ccf8c831 100644
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--- a/src/encoder.rs
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+++ b/src/encoder.rs
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@@ -1209,12 +1209,20 @@ pub fn encode_tx_block<T: Pixel, W: Writer>(
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residual,
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&ts.input_tile.planes[p].subregion(area),
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&rec.subregion(area),
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- visible_tx_w,
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+ tx_size.width(),
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visible_tx_h,
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);
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+ if visible_tx_w < tx_size.width() {
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+ for row in residual.chunks_mut(tx_size.width()).take(visible_tx_h) {
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+ for a in &mut row[visible_tx_w..] {
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+ *a = 0;
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+ }
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+ }
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+ }
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}
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- let visible_area = visible_tx_w * visible_tx_h;
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- for a in residual[visible_area..].iter_mut() {
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+ let initialized_area =
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+ if visible_tx_w == 0 { 0 } else { tx_size.width() * visible_tx_h };
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+ for a in residual[initialized_area..].iter_mut() {
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*a = 0;
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}
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Fri Jul 9 06:11:11 UTC 2021 - Andreas Schneider <asn@cryptomilk.org>
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- Fixed squared artefacts on image when converting to AVIF
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* Added f553646d70fba8e265d436103a73520eb7adec8c.patch
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-------------------------------------------------------------------
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Wed Jun 2 07:19:00 UTC 2021 - Andreas Schneider <asn@cryptomilk.org>
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@ -31,6 +31,9 @@ Source1: vendor.tar.xz
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Source98: README.suse-maint
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Source99: baselibs.conf
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#
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# Fix squared artefacts on image when converting to AVIF
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Patch0: https://github.com/xiph/rav1e/commit/f553646d70fba8e265d436103a73520eb7adec8c.patch
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#
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BuildRequires: cargo-c
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BuildRequires: nasm
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BuildRequires: rust-packaging
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