ungoogled-chromium-xdg-aur/roll-src-third_party-libavif-src-b33d9ebfc.676aded35.patch

From 21d7cf44b1cd83bb0d847515e28ca550404b0033 Mon Sep 17 00:00:00 2001
From: Wan-Teh Chang <wtc@google.com>
Date: Tue, 22 Aug 2023 19:39:04 +0000
Subject: [PATCH] Roll src/third_party/libavif/src/ b33d9ebfc..676aded35 (3
 commits)

https://chromium.googlesource.com/external/github.com/AOMediaCodec/libavif.git/+log/b33d9ebfc961..676aded3501f

$ git log b33d9ebfc..676aded35 --date=short --no-merges --format='%ad %ae %s'
2023-08-22 wtc Change imir.mode back to imir.axis
2023-08-22 wtc Don't use Identity matrix coefficients with 4:0:0
2023-08-21 yguyon Increase test values in avifstreamtest

Created with:
  roll-dep src/third_party/libavif/src
R=dalecurtis@chromium.org,jzern@google.com

Note that imir.mode is renamed imir.axis.

Change-Id: Ie13972640969f123b7e4580f36d6d6bab913c0f8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4803347
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Commit-Queue: Wan-Teh Chang <wtc@google.com>
Cr-Commit-Position: refs/heads/main@{#1186746}
---
 .../image-decoders/avif/avif_image_decoder.cc      | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/third_party/blink/renderer/platform/image-decoders/avif/avif_image_decoder.cc b/third_party/blink/renderer/platform/image-decoders/avif/avif_image_decoder.cc
index deb3e66d66f..c9f1b185417 100644
--- a/third_party/blink/renderer/platform/image-decoders/avif/avif_image_decoder.cc
+++ b/third_party/blink/renderer/platform/image-decoders/avif/avif_image_decoder.cc
@@ -1005,22 +1005,22 @@ bool AVIFImageDecoder::UpdateDemuxer() {
     angle = container->irot.angle;
     CHECK_LT(angle, 4);
   }
-  // |mode| specifies how the mirroring is performed.
+  // |axis| specifies how the mirroring is performed.
   //   -1: No mirroring.
   //    0: The top and bottom parts of the image are exchanged.
   //    1: The left and right parts of the image are exchanged.
-  int mode = -1;
+  int axis = -1;
   if (container->transformFlags & AVIF_TRANSFORM_IMIR) {
-    mode = container->imir.mode;
-    CHECK_LT(mode, 2);
+    axis = container->imir.axis;
+    CHECK_LT(axis, 2);
   }
   // MIAF Section 7.3.6.7 (Clean aperture, rotation and mirror) says:
   //   These properties, if used, shall be indicated to be applied in the
   //   following order: clean aperture first, then rotation, then mirror.
   //
-  // In the kModeAngleToOrientation array, the first dimension is mode (with an
+  // In the kAxisAngleToOrientation array, the first dimension is axis (with an
   // offset of 1). The second dimension is angle.
-  constexpr ImageOrientationEnum kModeAngleToOrientation[3][4] = {
+  constexpr ImageOrientationEnum kAxisAngleToOrientation[3][4] = {
       // No mirroring.
       {ImageOrientationEnum::kOriginTopLeft,
        ImageOrientationEnum::kOriginLeftBottom,
@@ -1037,7 +1037,7 @@ bool AVIFImageDecoder::UpdateDemuxer() {
        ImageOrientationEnum::kOriginBottomLeft,
        ImageOrientationEnum::kOriginLeftTop},
   };
-  orientation_ = kModeAngleToOrientation[mode + 1][angle];
+  orientation_ = kAxisAngleToOrientation[axis + 1][angle];
 
   // Determine whether the image can be decoded to YUV.
   // * Alpha channel is not supported.