Actually build

base-win64/Dockerfile

@@ -5,3 +5,5 @@ ENV DEBIAN_FRONTEND noninteractive
 RUN \
     apt-get -y install mingw-w64 && \
     apt-get -y clean
+
+ENV FFBUILD_TARGET_FLAGS "--pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=win32"

base/Dockerfile

@@ -7,6 +7,3 @@ RUN \
     apt-get -y dist-upgrade && \
     apt-get -y install build-essential yasm nasm pkg-config git curl wget cmake unzip subversion autoconf automake libtool clang && \
     apt-get -y clean
-
-RUN mkdir -p /opt/ffbuild/{lib,bin,include}
-ENV FFBUILD_PREFIX /opt/ffbuild

build.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+set -xe
+
+cd "$(dirname "$0")"
+
+if [[ $# -lt 1 || $# -gt 2 ]]; then
+    echo "Invalid Arguments"
+    exit -1
+fi
+
+TARGET="$1"
+VARIANT="${2:-gpl}"
+REPO="${GITHUB_REPOSITORY:-btbn/ffmpeg-builds}"
+REPO="${REPO,,}"
+
+IMAGE="$REPO/$TARGET-$VARIANT:latest"
+
+get_output() {
+    (
+        SELF="$1"
+        source $1
+        ffbuild_enabled || exit 0
+        ffbuild_$2 || exit -1
+    )
+}
+
+CONFIGURE=""
+CFLAGS=""
+LDFLAGS=""
+
+for script in scripts.d/*.sh; do
+    CONFIGURE+="$(get_output $script configure)"
+    CFLAGS+="$(get_output $script cflags)"
+    LDFLAGS+="$(get_output $script ldflags)"
+done
+
+if [[ $VARIANT == gpl ]]; then
+    VARIANT_FLAGS="--enable-gpl --enable-version3"
+elif [[ $VARIANT == lgpl ]]; then
+    VARIANT_FLAGS="--enable-version3"
+else
+    echo "Unknown variant"
+    exit -1
+fi
+
+BUILD_CONTAINER="ffbuild"
+
+docker rm "$BUILD_CONTAINER" 2>/dev/null || true
+docker run -i --name "$BUILD_CONTAINER" "$IMAGE" bash -s <<EOF
+    set -xe
+
+    git clone https://git.videolan.org/git/ffmpeg.git ffmpeg
+    cd ffmpeg
+    
+    ./configure \$FFBUILD_TARGET_FLAGS $VARIANT_FLAGS $CONFIGURE --extra-cflags="$CFLAGS" --extra-ldflags="$LDFLAGS"
+    
+    make -j\$(nproc)
+EOF

generate.sh

@@ -12,25 +12,26 @@ fi
 TARGET="$1"
 VARIANT="${2:-gpl}"
 REPO="${GITHUB_REPOSITORY:-btbn/ffmpeg-builds}"
+REPO="${REPO,,}"
 
 to_df() {
     printf "$@" >> Dockerfile
     echo >> Dockerfile
 }
 
-REPO="${REPO,,}"
-
 to_df "FROM $REPO/base-$TARGET:latest"
 to_df "ENV TARGET $TARGET"
 to_df "ENV VARIANT $VARIANT"
 to_df "ENV REPO $REPO"
+
 to_df "ENV FFPREFIX /opt/ffbuild"
+to_df "ENV PKG_CONFIG_LIBDIR /opt/ffbuild/lib/pkgconfig"
 
 for script in scripts.d/*.sh; do
 (
     SELF="$script"
     source $script
-    ffbuild_relevant || exit 0
+    ffbuild_enabled || exit 0
     ffbuild_dockerstage || exit $?
 )
 done

makeimage.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -e
+
+cd "$(dirname "$0")"
+
+if [[ $# -lt 1 || $# -gt 2 ]]; then
+    echo "Invalid Arguments"
+    exit -1
+fi
+
+TARGET="$1"
+VARIANT="${2:-gpl}"
+REPO="${GITHUB_REPOSITORY:-btbn/ffmpeg-builds}"
+REPO="${REPO,,}"
+
+./generate.sh "$TARGET" "$VARIANT"
+
+exec docker build -t "$REPO/$TARGET-$VARIANT:latest" .

scripts.d/50-x264.sh

@@ -3,7 +3,7 @@
 X264_REPO="https://code.videolan.org/videolan/x264.git"
 X264_COMMIT="db0d417728460c647ed4a847222a535b00d3dbcb"
 
-ffbuild_relevant() {
+ffbuild_enabled() {
     [[ $VARIANT == gpl ]] || return -1
     return 0
 }
@@ -34,3 +34,15 @@ ffbuild_dockerbuild() {
     popd
     rm -rf x264
 }
+
+ffbuild_configure() {
+    echo --enable-libx264
+}
+
+ffbuild_cflags() {
+    return 0
+}
+
+ffbuild_ldflags() {
+    return 0
+}