Use opusfile instead of working directly with ogg and opus

1 files changed, 210 insertions, 0 deletions

diff --git a/lib/opusfile/configure.ac b/lib/opusfile/configure.ac
new file mode 100644
index 00000000..ca47d68a
--- /dev/null
+++ b/lib/opusfile/configure.ac
@@ -0,0 +1,210 @@
+# autoconf source script for generating configure
+
+dnl The package_version file will be automatically synced to the git revision
+dnl by the update_version script when configured in the repository, but will
+dnl remain constant in tarball releases unless it is manually edited.
+m4_define([CURRENT_VERSION],
+          m4_esyscmd([ ./update_version 2>/dev/null || true
+                       if test -e package_version; then
+                           . ./package_version
+                           printf "$PACKAGE_VERSION"
+                       else
+                           printf "unknown"
+                       fi ]))
+
+AC_INIT([opusfile],[CURRENT_VERSION],[opus@xiph.org])
+AC_CONFIG_SRCDIR([src/opusfile.c])
+AC_CONFIG_MACRO_DIR([m4])
+
+AC_USE_SYSTEM_EXTENSIONS
+AC_SYS_LARGEFILE
+
+AM_INIT_AUTOMAKE([1.11 foreign no-define dist-zip subdir-objects])
+AM_MAINTAINER_MODE([enable])
+LT_INIT
+
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+dnl Library versioning for libtool.
+dnl Please update these for releases.
+dnl CURRENT, REVISION, AGE
+dnl - library source changed -> increment REVISION
+dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
+dnl - interfaces added -> increment AGE
+dnl - interfaces removed -> AGE = 0
+
+OP_LT_CURRENT=4
+OP_LT_REVISION=5
+OP_LT_AGE=4
+
+AC_SUBST(OP_LT_CURRENT)
+AC_SUBST(OP_LT_REVISION)
+AC_SUBST(OP_LT_AGE)
+
+CC_CHECK_CFLAGS_APPEND(
+  [-std=c89 -pedantic -Wall -Wextra -Wno-parentheses -Wno-long-long])
+
+# Platform-specific tweaks
+case $host in
+  *-mingw*)
+    # -std=c89 causes some warnings under mingw.
+    CC_CHECK_CFLAGS_APPEND([-U__STRICT_ANSI__])
+    # We need WINNT>=0x501 (WindowsXP) for getaddrinfo/freeaddrinfo.
+    # It's okay to define this even when HTTP support is disabled, as it only
+    #  affects header declarations, not linking (unless we actually use some
+    #  XP-only functions).
+    AC_DEFINE_UNQUOTED(_WIN32_WINNT,0x501,
+     [We need at least WindowsXP for getaddrinfo/freeaddrinfo])
+    host_mingw=true
+    ;;
+esac
+AM_CONDITIONAL(OP_WIN32, [test "$host_mingw" = "true"])
+
+AC_ARG_ENABLE([assertions],
+  AS_HELP_STRING([--enable-assertions], [Enable assertions in code]),,
+  enable_assertions=no)
+
+AS_IF([test "$enable_assertions" = "yes"], [
+  AC_DEFINE([OP_ENABLE_ASSERTIONS], [1], [Enable assertions in code])
+])
+
+AC_ARG_ENABLE([http],
+  AS_HELP_STRING([--disable-http], [Disable HTTP support]),,
+  enable_http=yes)
+
+AM_COND_IF(OP_WIN32, [
+  AS_IF([test "$enable_http" != "no"], [
+    AC_CHECK_HEADER([winsock2.h],, [
+      AC_MSG_WARN([HTTP support requires a Winsock socket library.])
+      enable_http=no
+    ])
+  ])
+], [
+  AS_IF([test "$enable_http" != "no"], [
+    AC_CHECK_HEADER([sys/socket.h],, [
+      AC_MSG_WARN([HTTP support requires a POSIX socket library.])
+      enable_http=no
+    ])
+  ])
+])
+
+# HTTP support requires either clock_gettime or ftime.  clock_gettime is
+# used only if time.h defines CLOCK_REALTIME and the function is available
+# in the standard library; on platforms such as glibc < 2.17 where -lrt
+# or another library would be required, ftime will be used.
+AS_IF([test "$enable_http" != "no"], [
+  AC_MSG_CHECKING([for clock_gettime])
+  AC_LINK_IFELSE([
+    AC_LANG_PROGRAM([[#include <time.h>]], [[
+      struct timespec ts;
+      return clock_gettime(CLOCK_REALTIME, &ts);
+    ]])
+  ], [
+    AC_MSG_RESULT([yes])
+    AC_DEFINE([OP_HAVE_CLOCK_GETTIME], [1],
+      [Enable use of clock_gettime function])
+  ], [
+    AC_MSG_RESULT([no])
+    AC_SEARCH_LIBS(ftime, [compat], , [enable_http=no])
+  ])
+])
+
+m4_ifndef([PKG_PROG_PKG_CONFIG],
+  [m4_fatal([Could not locate the pkg-config autoconf macros.
+Please make sure pkg-config is installed and, if necessary, set the environment
+variable ACLOCAL="aclocal -I/path/to/pkg.m4".])])
+
+AS_IF([test "$enable_http" != "no"], [
+   openssl="openssl"
+   AC_DEFINE([OP_ENABLE_HTTP], [1], [Enable HTTP support])
+   PKG_CHECK_MODULES([URL_DEPS], [openssl])
+])
+AM_CONDITIONAL(OP_ENABLE_HTTP, [test "$enable_http" != "no"])
+AC_SUBST([openssl])
+
+PKG_CHECK_MODULES([DEPS], [ogg >= 1.3 opus >= 1.0.1])
+
+AC_ARG_ENABLE([fixed-point],
+  AS_HELP_STRING([--enable-fixed-point], [Enable fixed-point calculation]),,
+  enable_fixed_point=no)
+AC_ARG_ENABLE([float],
+  AS_HELP_STRING([--disable-float], [Disable floating-point API]),,
+  enable_float=yes)
+
+AS_IF([test "$enable_float" = "no"],
+  [enable_fixed_point=yes
+   AC_DEFINE([OP_DISABLE_FLOAT_API], [1], [Disable floating-point API])
+  ]
+)
+
+AS_IF([test "$enable_fixed_point" = "yes"],
+  [AC_DEFINE([OP_FIXED_POINT], [1], [Enable fixed-point calculation])],
+  [dnl This only has to be tested for if float->fixed conversions are required
+   saved_LIBS="$LIBS"
+   AC_SEARCH_LIBS([lrintf], [m], [
+      AC_DEFINE([OP_HAVE_LRINTF], [1], [Enable use of lrintf function])
+      lrintf_notice="
+    Library for lrintf() ......... ${ac_cv_search_lrintf}"
+   ])
+   LIBS="$saved_LIBS"
+  ]
+)
+
+AC_ARG_ENABLE([examples],
+  AS_HELP_STRING([--disable-examples], [Do not build example applications]),,
+  enable_examples=yes)
+AM_CONDITIONAL([OP_ENABLE_EXAMPLES], [test "$enable_examples" = "yes"])
+
+AS_CASE(["$ac_cv_search_lrintf"],
+  ["no"],[],
+  ["none required"],[],
+  [lrintf_lib="$ac_cv_search_lrintf"])
+
+AC_SUBST([lrintf_lib])
+
+CC_ATTRIBUTE_VISIBILITY([default], [
+  CC_FLAG_VISIBILITY([CFLAGS="${CFLAGS} -fvisibility=hidden"])
+])
+
+dnl Check for doxygen
+AC_ARG_ENABLE([doc],
+  AS_HELP_STRING([--disable-doc], [Do not build API documentation]),,
+  [enable_doc=yes]
+)
+
+AS_IF([test "$enable_doc" = "yes"], [
+  AC_CHECK_PROG([HAVE_DOXYGEN], [doxygen], [yes], [no])
+  AC_CHECK_PROG([HAVE_DOT], [dot], [yes], [no])
+],[
+  HAVE_DOXYGEN=no
+])
+
+AM_CONDITIONAL([HAVE_DOXYGEN], [test "$HAVE_DOXYGEN" = "yes"])
+
+AC_CONFIG_FILES([
+  Makefile
+  opusfile.pc
+  opusurl.pc
+  opusfile-uninstalled.pc
+  opusurl-uninstalled.pc
+  doc/Doxyfile
+])
+AC_CONFIG_HEADERS([config.h])
+AC_OUTPUT
+
+AC_MSG_NOTICE([
+------------------------------------------------------------------------
+  $PACKAGE_NAME $PACKAGE_VERSION: Automatic configuration OK.
+
+    Assertions ................... ${enable_assertions}
+
+    HTTP support ................. ${enable_http}
+    Fixed-point .................. ${enable_fixed_point}
+    Floating-point API ........... ${enable_float}${lrintf_notice}
+
+    Hidden visibility ............ ${cc_cv_flag_visibility}
+
+    API code examples ............ ${enable_examples}
+    API documentation ............ ${enable_doc}
+------------------------------------------------------------------------
+])