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Replace mpeg decoder with external libmpg123 - step 1/2 part 1/3

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Step 1 is to allow to use external libmp123 (preferred) or
interal mpglib to decode mpeg audio.

Patch by Thomas Orgis <thomas-forum@orgis.org>, with some
minor modifications to the autotools build by me.

Part 1: commit the source files and the input files for the build.



Step 2 would be to remove the internal mpglib.
This commit is contained in:
Alexander Leidinger
2020-07-11 10:23:12 +00:00
parent fc9dc0b673
commit fa995b0c10
1 changed files with 37 additions and 8 deletions
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configure.in
+37 -8
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@@ -17,6 +17,9 @@ dnl FRONTEND_LDFLAGS
dnl FRONTEND_CFLAGS
dnl FRONTEND_LDADD
dnl extra vars for libmp3lame:
dnl LIBMP3LAME_LDADD
AC_PREREQ(2.69)
AC_INIT([lame],[3.100],[lame-dev@lists.sf.net])
AC_CONFIG_SRCDIR([libmp3lame/lame.c])
@@ -35,6 +38,7 @@ AH_TOP([
AH_BOTTOM([#endif /* LAME_CONFIG_H */])
AM_MAINTAINER_MODE
AM_MAKE_INCLUDE
PKG_PROG_PKG_CONFIG([])
dnl check environment
AC_AIX
@@ -545,20 +549,44 @@ AC_MSG_RESULT($CONFIG_ANALYZER)
dnl mpg123 decoder
PKG_CHECK_MODULES([mpg123], [libmpg123 >= 1.26.0], [HAVE_MPG123="yes"], [HAVE_MPG123="no"])
AC_MSG_CHECKING(use of mpg123 decoder)
AC_ARG_ENABLE(decoder,
[ --disable-decoder Exclude mpg123 decoder],
[ --disable-decoder Exclude mpg123 decoder (internal or external)],
CONFIG_DECODER="${enableval}", CONFIG_DECODER="yes")
AC_ARG_ENABLE(libmpg123,
[ --disable-libmpg123 Disable use of external libmpg123 decoder (normally favoured over internal decoder)],
CONFIG_MPG123="${enableval}", CONFIG_MPG123="auto")
AM_CONDITIONAL(LIB_WITH_DECODER, test "x${CONFIG_DECODER}" = "xyes")
if test "${CONFIG_DECODER}" != "no" ; then
CONFIG_DECODER="yes (Layer 1, 2, 3)"
AC_DEFINE(HAVE_MPGLIB, 1, build with mpglib support)
AC_DEFINE(DECODE_ON_THE_FLY, 1, allow to compute a more accurate replaygain value)
if test "${CONFIG_MPG123}" = "yes" && ! test "${HAVE_MPG123}" = "yes"; then
AC_MSG_ERROR([libmpg123 decoder enforced but not found])
fi
if test "${CONFIG_MPG123}" = "auto" && test "${HAVE_MPG123}" = "yes"; then
CONFIG_MPG123="yes"
fi
AC_MSG_RESULT($CONFIG_DECODER)
LIB_WITH_DECODER=false
if test "${CONFIG_MPG123}" = "yes" && test "${CONFIG_DECODER}" != "no"; then
CONFIG_DECODER="no"
AC_MSG_RESULT(enabled use of external libmpg123 decoder)
AC_DEFINE(HAVE_MPG123, 1, set to 1 if you have libmpg123)
AC_DEFINE(DECODE_ON_THE_FLY, 1, allow to compute a more accurate replaygain value)
FRONTEND_LDADD="$mpg123_LIBS $FRONTEND_LDADD"
LIBMP3LAME_LDADD="$mpg123_LIBS $LIBMP3LAME_LDADD"
INCLUDES="$mpg123_CFLAGS $INCLUDES"
else
if test "${CONFIG_DECODER}" != "no" ; then
LIB_WITH_DECODER=true
CONFIG_DECODER="internal mpglib decoder (Layer 1, 2, 3)"
AC_MSG_RESULT($CONFIG_DECODER)
AC_DEFINE(HAVE_MPGLIB, 1, build with mpglib support)
AC_DEFINE(DECODE_ON_THE_FLY, 1, allow to compute a more accurate replaygain value)
else
AC_MSG_RESULT($CONFIG_DECODER)
fi
fi
AM_CONDITIONAL(LIB_WITH_DECODER, ${LIB_WITH_DECODER})
AC_MSG_CHECKING(if the lame frontend should be build)
AC_ARG_ENABLE(frontend,
@@ -1224,6 +1252,7 @@ AC_SUBST(INCLUDES)
AC_SUBST(FRONTEND_LDFLAGS)
AC_SUBST(FRONTEND_CFLAGS)
AC_SUBST(FRONTEND_LDADD)
AC_SUBST(LIBMP3LAME_LDADD)
AC_SUBST(CONFIG_MATH_LIB)
AC_SUBST(LDADD)