From 5884c94b1f92c00406d137c9f308c098e5268a59 Mon Sep 17 00:00:00 2001
From: PA4WDH
Date: Tue, 13 Jul 2021 19:47:04 +0200
Subject: Initial commit

---
 media-video/mplayer/files/dump_ffmpeg.sh | 74 ++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 media-video/mplayer/files/dump_ffmpeg.sh

(limited to 'media-video/mplayer/files/dump_ffmpeg.sh')

diff --git a/media-video/mplayer/files/dump_ffmpeg.sh b/media-video/mplayer/files/dump_ffmpeg.sh
new file mode 100644
index 0000000..885946d
--- /dev/null
+++ b/media-video/mplayer/files/dump_ffmpeg.sh
@@ -0,0 +1,74 @@
+#!/bin/sh
+
+FFMPEG_DIR=ffmpeg
+FFMPEG_MOVED_DIR=ffmpeg_removed
+SYSTEM_FFMPEG_DIR=${EPREFIX}/usr/include
+
+# Move directories
+
+[ -d "${FFMPEG_DIR}" ] && mv "${FFMPEG_DIR}" "${FFMPEG_MOVED_DIR}"
+[ -d "${FFMPEG_MOVED_DIR}" ] || exit 1
+[ -d "${FFMPEG_DIR}" ] || mkdir "${FFMPEG_DIR}"
+
+# Keep required files and check them
+
+SANITIZED_REGEXP='^\#[[:space:]]*include.*\".*[.]h\"'
+sanitize_includes() {
+        sed -e "s/^\#[[:space:]]*include.*\"config[.]h\"/#include <config.h>/" \
+                -e "s/^\#[[:space:]]*include.*\"\(libav.*\/.*[.]h\)\"/#include \<\1\>/" \
+                -e "/${SANITIZED_REGEXP}/{s:\"\(.*\)\":\<${2}\/\1\>:}" ${1}
+}
+
+check_sanitized_includes() {
+        grep -q "${SANITIZED_REGEXP}" $1
+}
+
+get_header_deps() {
+        grep "^#[[:space:]]*include.*\<libav.*[.]h\>" ${1} | \
+                sed -e "s/^#[[:space:]]*include.*\<\(libav.*[.]h\)\>/\1/" | \
+                tr -d '<>' | tr '\n' ' '
+}
+
+check_header_deps() {
+        for i ; do
+                printf "Checking for the presence of ${i}...\n"
+                if [ ! -f "${SYSTEM_FFMPEG_DIR}/${i}" -a ! -f "${FFMPEG_DIR}/${i}" ] ; then
+                        printf "Header depends on ${i}\n"
+                        printf "... but that file cannot be found, aborting\n"
+                        exit 1
+                fi
+        done
+}
+
+move_file() {
+        mydir="$(dirname $1)"
+        printf "Moving and checking file: ${1}\n"
+        [ -d "${FFMPEG_DIR}/${mydir}" ] || mkdir -p "${FFMPEG_DIR}/${mydir}"
+        if [ ! -f "${FFMPEG_DIR}/${1}" ] ; then
+                sanitize_includes "${FFMPEG_MOVED_DIR}/${1}" ${mydir} > "${FFMPEG_DIR}/${1}"
+        fi
+        if $(check_sanitized_includes "${FFMPEG_DIR}/${1}") ; then
+                printf "Error, found non sanitized file in ffmpeg:\n"
+                printf "${FFMPEG_DIR}/${1}\n"
+                printf "Please report it at bugs.gentoo.org\n"
+                exit 1
+        fi
+        if [ "${1%.h}" != "${1}" ] ; then
+                mydeps=$(get_header_deps "${FFMPEG_DIR}/${1}")
+                check_header_deps ${mydeps}
+        fi
+}
+
+# HEADERS (order matters for the consistency checks: leaves come first)
+FILES="libavutil/wchar_filename.h libavformat/os_support.h libavformat/internal.h libavutil/x86/asm.h"
+# Files that are sed'ed but not compiled, used to check for availability of
+# some codecs
+FILES="${FILES} libavcodec/allcodecs.c libavformat/allformats.c libavfilter/allfilters.c"
+
+for i in ${FILES} ; do
+        move_file $i
+done
+
+rm -rf "${FFMPEG_MOVED_DIR}"
+
+exit 0
-- 
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