From 652d6b5e387df2d6fb6495eb28c3052f8ed1b646 Mon Sep 17 00:00:00 2001
From: Nicolas Hug <nicolashug@meta.com>
Date: Tue, 9 Sep 2025 11:29:21 +0100
Subject: [PATCH 1/2] Don't build videodecoder by default

---
 .github/scripts/setup-env.sh  | 2 --
 packaging/pre_build_script.sh | 3 +--
 setup.py                      | 4 ++--
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/.github/scripts/setup-env.sh b/.github/scripts/setup-env.sh
index e1c5855f31c..1dfe1af4f37 100755
--- a/.github/scripts/setup-env.sh
+++ b/.github/scripts/setup-env.sh
@@ -23,7 +23,6 @@ case $(uname) in
 esac
 
 echo '::group::Create build environment'
-# See https://github.com/pytorch/vision/issues/7296 for ffmpeg
 conda create \
   --name ci \
   --quiet --yes \
@@ -31,7 +30,6 @@ conda create \
   ninja cmake \
   libpng \
   libwebp \
-  'ffmpeg<4.3'
 conda activate ci
 conda install --quiet --yes libjpeg-turbo -c pytorch
 pip install --progress-bar=off --upgrade setuptools==72.1.0
diff --git a/packaging/pre_build_script.sh b/packaging/pre_build_script.sh
index fcacf4bf8a4..b9046aa81c5 100644
--- a/packaging/pre_build_script.sh
+++ b/packaging/pre_build_script.sh
@@ -17,7 +17,6 @@ if [[ "$(uname)" == Darwin || "$OSTYPE" == "msys" ]]; then
   # Installing webp also installs a non-turbo jpeg, so we uninstall jpeg stuff
   # before re-installing them
   conda uninstall libjpeg-turbo libjpeg -y
-  conda install -y ffmpeg=4.2 -c pytorch
   conda install -y libjpeg-turbo -c pytorch
 
   # Copy binaries to be included in the wheel distribution
@@ -30,7 +29,7 @@ else
 
   if [[ "$ARCH" == "aarch64" ]]; then
     conda install libpng -y
-    conda install -y ffmpeg=4.2 libjpeg-turbo -c pytorch-nightly
+    conda install -y libjpeg-turbo -c pytorch-nightly
   fi
 
   conda install libwebp -y
diff --git a/setup.py b/setup.py
index 829b9c2f910..1345e3294f1 100644
--- a/setup.py
+++ b/setup.py
@@ -28,9 +28,9 @@
 # video decoding backends in torchvision. I'm renaming this to "gpu video
 # decoder" where possible, keeping user facing names (like the env var below) to
 # the old scheme for BC.
-USE_GPU_VIDEO_DECODER = os.getenv("TORCHVISION_USE_VIDEO_CODEC", "1") == "1"
+USE_GPU_VIDEO_DECODER = os.getenv("TORCHVISION_USE_VIDEO_CODEC", "0") == "1"
 # Same here: "use ffmpeg" was used to denote "use cpu video decoder".
-USE_CPU_VIDEO_DECODER = os.getenv("TORCHVISION_USE_FFMPEG", "1") == "1"
+USE_CPU_VIDEO_DECODER = os.getenv("TORCHVISION_USE_FFMPEG", "0") == "1"
 
 TORCHVISION_INCLUDE = os.environ.get("TORCHVISION_INCLUDE", "")
 TORCHVISION_LIBRARY = os.environ.get("TORCHVISION_LIBRARY", "")

From e8df2bdbfed9e8e448a6f56811fb48678d3b024d Mon Sep 17 00:00:00 2001
From: Nicolas Hug <nicolashug@meta.com>
Date: Tue, 9 Sep 2025 11:33:28 +0100
Subject: [PATCH 2/2] EUFNLFEJA

---
 .github/scripts/setup-env.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/scripts/setup-env.sh b/.github/scripts/setup-env.sh
index 1dfe1af4f37..64b4aa7fa90 100755
--- a/.github/scripts/setup-env.sh
+++ b/.github/scripts/setup-env.sh
@@ -29,7 +29,7 @@ conda create \
   python="${PYTHON_VERSION}" pip \
   ninja cmake \
   libpng \
-  libwebp \
+  libwebp
 conda activate ci
 conda install --quiet --yes libjpeg-turbo -c pytorch
 pip install --progress-bar=off --upgrade setuptools==72.1.0