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qt5/coin/provisioning/common/linux/install-ffmpeg-linux.sh
Nils Petter Skålerud e3966f2ffc Linux, FFmpeg: Make install-ffmpeg-linux.sh take an output parameter
Currently, this script is hardcoded to output to the directory
'/usr/local/'. This output is stored in the variable 'prefix'. However,
this variable is used inconsistently in the script, meaning we cannot
actually modify the variable to change the output directory.

This patch does the following:
- Applies the 'prefix' variable where necessary.
- Allows an optional command-line parameter to be applied to 'prefix',
allowing one to specify where the output directory. This is
particularly useful for local builds.

No changes to current CI behavior.

Pick-to: 6.11 6.10 6.8
Change-Id: I51f83ce3844c2aa9db778b1c54091acb64a227e6
Reviewed-by: Dimitrios Apostolou <jimis@qt.io>
Reviewed-by: Artem Dyomin <artem.dyomin@qt.io>
2025-12-16 15:08:21 +01:00

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#!/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 builds and installs FFmpeg static or shared (default) libs
# It can take an optional output parameter for installation:
#
# install-ffmpeg-linx.sh shared ~/my/install/path
set -ex
source "${BASH_SOURCE%/*}/../unix/ffmpeg-installation-utils.sh"
build_type=$(get_ffmpeg_build_type "$1")
ffmpeg_source_dir=$(download_ffmpeg)
ffmpeg_name=$(basename "$ffmpeg_source_dir")
ffmpeg_config_options=$(get_ffmpeg_config_options "$build_type")
default_prefix="/usr/local/$ffmpeg_name"
prefix="${2:-$default_prefix}"
pkgconfig_path="$PKG_CONFIG_PATH"
install_ff_nvcodec_headers() {
local nv_codec_version="11.1" # use 11.1 to ensure compatibility with 470 nvidia drivers; might be upated to 12.0
local nv_codec_url_public="https://github.com/FFmpeg/nv-codec-headers/archive/refs/heads/sdk/$nv_codec_version.zip"
local nv_codec_url_cached="http://ci-files01-hki.ci.qt.io/input/ffmpeg/nv-codec-headers/nv-codec-headers-sdk-$nv_codec_version.zip"
local nv_codec_sha1="ceb4966ab01b2e41f02074675a8ac5b331bf603e"
#nv_codec_sha1="4f30539f8dd31945da4c3da32e66022f9ca59c08" // 12.0
local target_dir="$HOME"
local nv_codec_dir="$target_dir/nv-codec-headers-sdk-$nv_codec_version"
if [ ! -d "$nv_codec_dir" ]; then
source "${BASH_SOURCE%/*}/../unix/InstallFromCompressedFileFromURL.sh"
InstallFromCompressedFileFromURL "$nv_codec_url_cached" "$nv_codec_url_public" "$nv_codec_sha1" "$target_dir" ""
fi
sudo make -C "$nv_codec_dir" install -j
# Might be not detected by default on RHEL
pkgconfig_path="$pkgconfig_path:/usr/local/lib/pkgconfig"
}
fix_openssl3_pc_files() {
# On RHEL 8, openssl3 pc files are libopenssl3.pc, libssl3.pc, libcrypto3.pc,
# and FFmpeg cannot find them. Instead, it finds FFmpeg 1.x.x if it's installed.
# The function fixes the files with copying them to a custom directory
# assign to 'local' to ignore failure exit codes
local -r openssl3_pcfiledir=$(pkg-config --variable=pcfiledir openssl3)
if [ -z "$openssl3_pcfiledir" ]; then
return
fi
local pcfiles=("libssl" "libcrypto" "openssl")
for pcfile in "${pcfiles[@]}"; do
if [ ! -f "$openssl3_pcfiledir/${pcfile}3.pc" ]; then
echo "pkgconfig has found openssl3 but the file $openssl3_pcfiledir/${pcfile}3.pc does't exist"
return
fi
done
local new_pkgconfig_dir="$ffmpeg_source_dir/openssl3_pkgconfig"
mkdir -p "$new_pkgconfig_dir"
for pcfile in "${pcfiles[@]}"; do
sed -E '/^Requires(\.private)?:/s/ (libssl|libcrypto)3/ \1/g;' "$openssl3_pcfiledir/${pcfile}3.pc" > "$new_pkgconfig_dir/${pcfile}.pc"
done
pkgconfig_path="$new_pkgconfig_dir:$pkgconfig_path"
}
build_ffmpeg() {
local build_dir="$ffmpeg_source_dir/build"
mkdir -p "$build_dir"
pushd "$build_dir"
# shellcheck disable=SC2086
PKG_CONFIG_PATH="$pkgconfig_path" "$ffmpeg_source_dir/configure" $ffmpeg_config_options --prefix="$prefix"
# shellcheck disable=
# on RHEL patchelf is not visible under sudo, so we install to a temporary directory
make install DESTDIR="$build_dir/installed" -j
popd
}
ffmpeg_config_options+=" --enable-openssl"
fix_openssl3_pc_files
echo "pkg-config openssl version: $(pkg-config --modversion openssl)"
install_ff_nvcodec_headers
build_ffmpeg
output_dir="$ffmpeg_source_dir/build/installed/$prefix"
if [ "$build_type" == "shared" ]; then
fix_dependencies="${BASH_SOURCE%/*}/../shared/fix_ffmpeg_dependencies.sh"
"$fix_dependencies" "$output_dir"
fi
sudo mkdir -p "$prefix"
sudo mv "$output_dir"/* "$prefix"
set_ffmpeg_dir_env_var "FFMPEG_DIR" "$prefix"