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# This file is part of UltraStar Deluxe
# Created by the UltraStar Deluxe Team
# SYNOPSIS
#
# AC_FFMPEG_VERSION
#
# DESCRIPTION
#
# Determines version of ffmpeg.
#
# Description of the steps of the command line
#
# 1) redirect stderr and stdout to stdout
# I did not manage in sh, therefore invoke bash
# 2) grep for the lines with "ffmpeg"
# 3) grep for the line without "version"
# 4) cut out the 2nd word, with ' ' as a separator.
#
AC_DEFUN([AC_FFMPEG_VERSION],
[
AC_MSG_CHECKING([for ffmpeg version])
FFMPEG_VERSION=$(bash -c 'ffmpeg -version' 2>&1 | grep ffmpeg | grep -v version | cut -f2 -d\ )
AX_EXTRACT_VERSION(FFMPEG, $FFMPEG_VERSION)
AC_MSG_RESULT(@<:@$FFMPEG_VERSION@:>@)
AC_SUBST(FFMPEG_VERSION)
])
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