Use binary objects from external repository, fix CI for arm64

.drone.yml

@@ -25,9 +25,7 @@ steps:
     image: alpine
     commands:
       - apk update
-      - apk add --no-cache wget bash git git-lfs
-      - git lfs install
-      - git lfs pull
+      - apk add --no-cache wget bash
       - ./testdata/prepare.sh
   - name: build-x264
     image: golang:1.19-bullseye
@@ -143,9 +141,7 @@ steps:
     image: alpine
     commands:
       - apk update
-      - apk add --no-cache wget bash git git-lfs
-      - git lfs install
-      - git lfs pull
+      - apk add --no-cache wget bash
       - ./testdata/prepare.sh
   - name: build-x264
     image: golang:1.19-bullseye

testdata/.gitattributes

@@ -1 +0,0 @@
-*.ivf filter=lfs diff=lfs merge=lfs -text

testdata/.gitignore

@@ -1 +1,2 @@
-*.y4m
+*.y4m
+*.ivf

testdata/prepare.sh

@@ -5,5 +5,9 @@ pushd "${0%/*}" || exit
 # Samples taken from https://media.xiph.org/
 
 if [[ ! -f "sintel_trailer_2k_720p24.y4m" ]]; then
-  wget --show-progress -O "sintel_trailer_2k_720p24.y4m" https://media.xiph.org/video/derf/y4m/sintel_trailer_2k_720p24.y4m
+  wget --show-progress -O "sintel_trailer_2k_720p24.y4m" https://git.gammaspectra.live/S.O.N.G/Video-Samples/media/branch/master/sintel_trailer_2k_720p24.y4m
+fi
+
+if [[ ! -f "sintel_trailer_2k_720p24_av1_low.ivf" ]]; then
+  wget --show-progress -O "sintel_trailer_2k_720p24_av1_low.ivf" https://git.gammaspectra.live/S.O.N.G/Video-Samples/media/branch/master/sintel_trailer_2k_720p24_av1_low.ivf
 fi