QtMultimedia - build ffmpeg plugin for iOS

Minimal preliminary script for building ffmpeg for iOS.

Change-Id: Ie210db8cd50b5a757fcc6d6258c3ebdf4fc53c51
Reviewed-by: Jøger Hansegård <joger.hansegard@qt.io>
Reviewed-by: Artem Dyomin <artem.dyomin@qt.io>

coin/provisioning/common/unix/install-ffmpeg-ios.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+# Copyright (C) 2024 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+# This script will build and install FFmpeg static libs
+set -ex
+
+# shellcheck source=../unix/InstallFromCompressedFileFromURL.sh
+source "${BASH_SOURCE%/*}/../unix/InstallFromCompressedFileFromURL.sh"
+# shellcheck source=../unix/SetEnvVar.sh
+source "${BASH_SOURCE%/*}/../unix/SetEnvVar.sh"
+
+version="n6.1"
+sha1="1feb946476f3076a9b38c97ca0d8b69e1826049c"
+url_public="https://github.com/FFmpeg/FFmpeg/archive/refs/tags/$version.tar.gz"
+url_cached="http://ci-files01-hki.ci.qt.io/input/ffmpeg/$version.tar.gz"
+ffmpeg_name="FFmpeg-$version"
+
+target_dir="$HOME"
+ffmpeg_source_dir="$target_dir/$ffmpeg_name"
+prefix="/usr/local/ios/ffmpeg"
+
+if [ ! -d "$ffmpeg_source_dir" ];
+then
+   InstallFromCompressedFileFromURL "$url_cached" "$url_public" "$sha1" "$target_dir" "$app_prefix"
+fi
+
+ffmpeg_config_options=$(cat "${BASH_SOURCE%/*}/../shared/ffmpeg_config_options.txt")
+
+build_ffmpeg_ios() {
+  local target_arch=$1
+
+  if [ "$target_arch" == "x86_64" ]; then
+     target_sdk="iphonesimulator"
+     target_arch="x86_64"
+     minos="-mios-simulator-version-min=13.0"
+  else
+     target_sdk="iphoneos"
+     target_arch="arm64"
+     minos="-miphoneos-version-min=13.0"
+  fi
+
+  local build_dir="$ffmpeg_source_dir/build_ios/$target_arch"
+  sudo mkdir -p "$build_dir"
+  pushd "$build_dir"
+
+  sudo $ffmpeg_source_dir/configure $ffmpeg_config_options \
+    --sysroot="$(xcrun --sdk "$target_sdk" --show-sdk-path)" \
+  --enable-cross-compile \
+  --enable-optimizations \
+  --prefix=$prefix \
+  --arch=$target_arch \
+  --cc="xcrun --sdk ${target_sdk} clang -arch $target_arch" \
+  --cxx="xcrun --sdk ${target_sdk} clang++ -arch $target_arch" \
+  --ar="$(xcrun --sdk ${target_sdk} --find ar)" \
+  --ranlib="$(xcrun --sdk ${target_sdk} --find ranlib)" \
+  --strip="$(xcrun --sdk ${target_sdk} --find strip)" \
+  --nm="$(xcrun --sdk ${target_sdk} --find nm)" \
+  --target-os=darwin \
+  --extra-cflags="$minos" \
+  --extra-cxxflags="$minos" \
+  --enable-cross-compile \
+  --enable-swscale \
+  --enable-pthreads \
+  --disable-audiotoolbox
+
+  sudo make install DESTDIR="$build_dir/installed" -j
+  popd
+}
+
+build_ffmpeg_ios "x86_64"
+build_ffmpeg_ios "arm64"
+sudo "${BASH_SOURCE%/*}/../macos/makeuniversal.sh" "$ffmpeg_source_dir/build_ios/x86_64/installed" "$ffmpeg_source_dir/build_ios/arm64/installed"
+SetEnvVar "FFMPEG_DIR_IOS" $prefix
+

coin/provisioning/qtci-macos-13-x86_64/90-install-ffmpeg.sh

@@ -6,3 +6,4 @@ set -ex
 
 source "${BASH_SOURCE%/*}/../common/unix/install-ffmpeg.sh" "macos-universal"
 source "${BASH_SOURCE%/*}/../common/unix/install-ffmpeg-android.sh" "android-arm64"
+source "${BASH_SOURCE%/*}/../common/unix/install-ffmpeg-ios.sh"