Copying build system from opusfile
authorJean-Marc Valin <jmvalin@jmvalin.ca>
Sun, 23 Apr 2017 04:58:13 +0000 (00:58 -0400)
committerJean-Marc Valin <jmvalin@jmvalin.ca>
Sun, 23 Apr 2017 05:02:54 +0000 (01:02 -0400)
16 files changed:
AUTHORS [new file with mode: 0644]
COPYING [new file with mode: 0644]
Makefile.am [new file with mode: 0644]
README.md [new file with mode: 0644]
autogen.sh [new file with mode: 0755]
configure.ac [new file with mode: 0644]
doc/Doxyfile.in [new file with mode: 0644]
doc/Makefile [new file with mode: 0644]
doc/opus_logo.svg [new file with mode: 0644]
examples/opusenc_example.c [new file with mode: 0644]
include/opusenc.h
m4/attributes.m4 [new file with mode: 0644]
opusenc-uninstalled.pc.in [new file with mode: 0644]
opusenc.pc.in [new file with mode: 0644]
src/opusenc.c [new file with mode: 0644]
update_version [new file with mode: 0755]

diff --git a/AUTHORS b/AUTHORS
new file mode 100644 (file)
index 0000000..932faf6
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1,3 @@
+Jean-Marc Valin <jmvalin@jmvalin.ca>
+Timothy B. Terriberry <tterribe@xiph.org>
+Ralph Giles <giles@xiph.org>
diff --git a/COPYING b/COPYING
new file mode 100644 (file)
index 0000000..7b53d66
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,28 @@
+Copyright (c) 1994-2013 Xiph.Org Foundation and contributors
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+- Neither the name of the Xiph.Org Foundation nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Makefile.am b/Makefile.am
new file mode 100644 (file)
index 0000000..a0d91a4
--- /dev/null
@@ -0,0 +1,115 @@
+ACLOCAL_AMFLAGS = -I m4
+
+AM_CFLAGS = -I$(top_srcdir)/include $(DEPS_CFLAGS)
+
+dist_doc_DATA = COPYING AUTHORS README.md
+
+opusincludedir = ${includedir}/opus
+opusinclude_HEADERS = include/opusenc.h
+
+lib_LTLIBRARIES = libopusenc.la
+libopusenc_la_SOURCES = \
+       src/opusenc.c
+libopusenc_la_LIBADD = $(DEPS_LIBS) $(lrintf_lib)
+libopusenc_la_LDFLAGS = -no-undefined \
+ -version-info @OP_LT_CURRENT@:@OP_LT_REVISION@:@OP_LT_AGE@
+
+if OP_ENABLE_EXAMPLES
+noinst_PROGRAMS = examples/opusenc_example
+endif
+
+examples_opusenc_example_SOURCES = examples/opusenc_example.c
+examples_opusenc_example_LDADD = libopusenc.la
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = opusenc.pc
+
+debug:
+       $(MAKE) CFLAGS="${CFLAGS} -O0 -ggdb -DOP_ENABLE_ASSERTIONS" all
+
+EXTRA_DIST = \
+ opusenc.pc.in \
+ opusenc-uninstalled.pc.in \
+ doc/Doxyfile.in \
+ doc/opus_logo.svg \
+ doc/Makefile \
+ unix/Makefile
+
+# Targets to build and install just the library without the docs
+opusenc install-opusenc: NO_DOXYGEN = 1
+
+opusenc: all
+install-opusenc: install
+
+# Or just the docs
+docs: doc/doxygen-build.stamp
+
+install-docs:
+       @if [ -z "$(NO_DOXYGEN)" ]; then \
+         ( cd doc && \
+           echo "Installing documentation in $(DESTDIR)$(docdir)"; \
+           $(INSTALL) -d $(DESTDIR)$(docdir)/html/search; \
+           for f in `find html -type f \! -name "installdox"` ; do \
+             $(INSTALL_DATA) $$f $(DESTDIR)$(docdir)/$$f;     \
+           done ) \
+       fi
+
+doc/doxygen-build.stamp: doc/Doxyfile $(top_srcdir)/doc/opus_logo.svg \
+                         $(top_srcdir)/include/*.h
+       @[ -n "$(NO_DOXYGEN)" ] || ( cd doc && doxygen && touch $(@F) )
+
+
+if HAVE_DOXYGEN
+
+# Or everything (by default)
+all-local: docs
+
+install-data-local: install-docs
+
+clean-local:
+       $(RM) -r doc/html
+       $(RM) -r doc/latex
+       $(RM) doc/doxygen-build.stamp
+
+uninstall-local:
+       $(RM) -r $(DESTDIR)$(docdir)/html
+
+endif
+
+# We check this every time make is run, with configure.ac being touched to
+# trigger an update of the build system files if update_version changes the
+# current PACKAGE_VERSION (or if package_version was modified manually by a
+# user with either AUTO_UPDATE=no or no update_version script present - the
+# latter being the normal case for tarball releases).
+#
+# We can't just add the package_version file to CONFIGURE_DEPENDENCIES since
+# simply running autoconf will not actually regenerate configure for us when
+# the content of that file changes (due to autoconf dependency checking not
+# knowing about that without us creating yet another file for it to include).
+#
+# The MAKECMDGOALS check is a gnu-make'ism, but will degrade 'gracefully' for
+# makes that don't support it.  The only loss of functionality is not forcing
+# an update of package_version for `make dist` if AUTO_UPDATE=no, but that is
+# unlikely to be a real problem for any real user.
+$(top_srcdir)/configure.ac: force
+       @case "$(MAKECMDGOALS)" in \
+           dist-hook)                             exit 0       ;; \
+           dist-* | dist | distcheck | distclean) _arg=release ;; \
+       esac; \
+       if ! $(top_srcdir)/update_version $$_arg 2> /dev/null; then \
+           if [ ! -e $(top_srcdir)/package_version ]; then \
+               echo 'PACKAGE_VERSION="unknown"' > $(top_srcdir)/package_version; \
+           fi; \
+           . $(top_srcdir)/package_version || exit 1; \
+           [ "$(PACKAGE_VERSION)" != "$$PACKAGE_VERSION" ] || exit 0; \
+       fi; \
+       touch $@
+
+force:
+
+# Create a minimal package_version file when make dist is run.
+dist-hook:
+       echo 'PACKAGE_VERSION="$(PACKAGE_VERSION)"' > $(top_distdir)/package_version
+
+
+.PHONY: opusenc install-opusenc docs install-docs
diff --git a/README.md b/README.md
new file mode 100644 (file)
index 0000000..b43ab85
--- /dev/null
+++ b/README.md
@@ -0,0 +1,11 @@
+# Libopusenc
+
+The opusenc libraries provide a high-level API for
+encoding .opus files. opusenc depends on libopus and libogg.
+
+The library is in very early development.
+Please give feedback
+in #opus on irc.freenode.net or at opus@xiph.org.
+
+Programming documentation is available in tree and online at
+https://opus-codec.org/docs/
diff --git a/autogen.sh b/autogen.sh
new file mode 100755 (executable)
index 0000000..1fe4d86
--- /dev/null
@@ -0,0 +1,10 @@
+#!/bin/sh
+# Run this to set up the build system: configure, makefiles, etc.
+set -e
+
+srcdir=`dirname $0`
+test -n "$srcdir" && cd "$srcdir"
+
+echo "Updating build configuration files for libopusenc, please wait...."
+
+autoreconf -isf
diff --git a/configure.ac b/configure.ac
new file mode 100644 (file)
index 0000000..a92d5f7
--- /dev/null
@@ -0,0 +1,182 @@
+# autoconf source script for generating configure
+
+dnl The package_version file will be automatically synced to the git revision
+dnl by the update_version script when configured in the repository, but will
+dnl remain constant in tarball releases unless it is manually edited.
+m4_define([CURRENT_VERSION],
+          m4_esyscmd([ ./update_version 2>/dev/null || true
+                       if test -e package_version; then
+                           . ./package_version
+                           printf "$PACKAGE_VERSION"
+                       else
+                           printf "unknown"
+                       fi ]))
+
+AC_INIT([opusenc],[CURRENT_VERSION],[opus@xiph.org])
+AC_CONFIG_SRCDIR([src/opusenc.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=1
+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 "$enable_http" != "no"],
+    AC_CHECK_HEADER([sys/socket.h],,
+      AC_MSG_WARN([HTTP support requires a POSIX socket library.])
+      enable_http=no
+    )
+  )
+)
+AC_SEARCH_LIBS(ftime, [compat], , [enable_http=no])
+
+AS_IF([test "$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
+  opusenc.pc
+  opusenc-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}
+------------------------------------------------------------------------
+])
diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
new file mode 100644 (file)
index 0000000..ce854af
--- /dev/null
@@ -0,0 +1,20 @@
+# Process with doxygen to generate API documentation
+
+PROJECT_NAME           = @PACKAGE_NAME@
+PROJECT_NUMBER         = @PACKAGE_VERSION@
+PROJECT_BRIEF          = "Stand-alone encoder library for .opus files."
+INPUT                  = @top_srcdir@/include/opusenc.h
+OPTIMIZE_OUTPUT_FOR_C  = YES
+
+QUIET                  = YES
+WARNINGS               = YES
+WARN_IF_UNDOCUMENTED   = YES
+WARN_IF_DOC_ERROR      = YES
+WARN_NO_PARAMDOC       = YES
+
+JAVADOC_AUTOBRIEF      = YES
+SORT_MEMBER_DOCS       = NO
+
+HAVE_DOT               = @HAVE_DOT@
+
+PROJECT_LOGO           = @top_srcdir@/doc/opus_logo.svg
diff --git a/doc/Makefile b/doc/Makefile
new file mode 100644 (file)
index 0000000..1bd402e
--- /dev/null
@@ -0,0 +1,34 @@
+## GNU makefile for opusenc documentation.
+
+-include ../package_version
+
+all: doxygen
+
+doxygen: Doxyfile ../include/opusenc.h
+       doxygen
+
+pdf: doxygen
+       make -C latex
+
+clean:
+       $(RM) -r html
+       $(RM) -r latex
+
+distclean: clean
+       $(RM) Doxyfile
+
+.PHONY: all clean distclean doxygen pdf
+
+../package_version:
+       @if [ -x ../update_version ]; then \
+               ../update_version || true; \
+       elif [ ! -e $@ ]; then \
+               echo 'PACKAGE_VERSION="unknown"' > $@; \
+       fi
+
+# run autoconf-like replacements to finalize our config
+Doxyfile: Doxyfile.in Makefile ../package_version
+       sed -e 's/@PACKAGE_NAME@/opusenc/' \
+           -e 's/@PACKAGE_VERSION@/$(PACKAGE_VERSION)/' \
+           -e 's/@top_srcdir@/../' \
+         < $< > $@
diff --git a/doc/opus_logo.svg b/doc/opus_logo.svg
new file mode 100644 (file)
index 0000000..794dd1d
--- /dev/null
@@ -0,0 +1,157 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   version="1.1"
+   x="0px"
+   y="0px"
+   width="97"
+   height="55"
+   viewBox="-72 -23.757 97 55"
+   overflow="visible"
+   enable-background="new -72 -23.757 169 78.757"
+   xml:space="preserve"
+   id="svg2"
+   style="overflow:visible">
+<defs
+   id="defs4">
+<linearGradient
+   xlink:href="#SVGID_1_"
+   id="linearGradient3027"
+   gradientUnits="userSpaceOnUse"
+   x1="194.53169"
+   y1="95.107399"
+   x2="194.53169"
+   y2="9.9475983e-14" /><linearGradient
+   xlink:href="#SVGID_2_"
+   id="linearGradient3029"
+   gradientUnits="userSpaceOnUse"
+   x1="229.61819"
+   y1="116.208"
+   x2="229.61819"
+   y2="164.46291" /><linearGradient
+   xlink:href="#SVGID_3_"
+   id="linearGradient3031"
+   gradientUnits="userSpaceOnUse"
+   x1="43.9897"
+   y1="115.4395"
+   x2="43.9897"
+   y2="165.2314" /><linearGradient
+   xlink:href="#SVGID_4_"
+   id="linearGradient3033"
+   gradientUnits="userSpaceOnUse"
+   x1="311.2847"
+   y1="115.7188"
+   x2="311.2847"
+   y2="165.2822" /><linearGradient
+   xlink:href="#SVGID_5_"
+   id="linearGradient3035"
+   gradientUnits="userSpaceOnUse"
+   x1="129.1987"
+   y1="115.5791"
+   x2="129.1987"
+   y2="204.4863" /></defs>
+<linearGradient
+   id="SVGID_1_"
+   gradientUnits="userSpaceOnUse"
+   x1="194.53169"
+   y1="95.107399"
+   x2="194.53169"
+   y2="9.9475983e-14">
+       <stop
+   offset="0.0056"
+   style="stop-color:#8E8E8E"
+   id="stop7" />
+       <stop
+   offset="1"
+   style="stop-color:#B5B5B5"
+   id="stop9" />
+</linearGradient>
+
+<linearGradient
+   id="SVGID_2_"
+   gradientUnits="userSpaceOnUse"
+   x1="229.61819"
+   y1="116.208"
+   x2="229.61819"
+   y2="164.46291">
+       <stop
+   offset="0.0056"
+   style="stop-color:#494748"
+   id="stop14" />
+       <stop
+   offset="1"
+   style="stop-color:#000000"
+   id="stop16" />
+</linearGradient>
+
+<linearGradient
+   id="SVGID_3_"
+   gradientUnits="userSpaceOnUse"
+   x1="43.9897"
+   y1="115.4395"
+   x2="43.9897"
+   y2="165.2314">
+       <stop
+   offset="0.0056"
+   style="stop-color:#494748"
+   id="stop21" />
+       <stop
+   offset="1"
+   style="stop-color:#000000"
+   id="stop23" />
+</linearGradient>
+
+<linearGradient
+   id="SVGID_4_"
+   gradientUnits="userSpaceOnUse"
+   x1="311.2847"
+   y1="115.7188"
+   x2="311.2847"
+   y2="165.2822">
+       <stop
+   offset="0.0056"
+   style="stop-color:#494748"
+   id="stop28" />
+       <stop
+   offset="1"
+   style="stop-color:#000000"
+   id="stop30" />
+</linearGradient>
+
+<linearGradient
+   id="SVGID_5_"
+   gradientUnits="userSpaceOnUse"
+   x1="129.1987"
+   y1="115.5791"
+   x2="129.1987"
+   y2="204.4863">
+       <stop
+   offset="0.0056"
+   style="stop-color:#494748"
+   id="stop35" />
+       <stop
+   offset="1"
+   style="stop-color:#000000"
+   id="stop37" />
+</linearGradient>
+<g
+   id="g3020"
+   transform="matrix(0.26931937,0,0,0.26931937,-72.00048,-23.756955)"><path
+     id="path11"
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+     style="fill:url(#linearGradient3027)"/><path
+     id="path18"
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+     style="fill:url(#linearGradient3029)"/><path
+     id="path25"
+     d="m 86.875,140.404 c 2.51,-7.717 0.743,-13.808 -5.301,-18.271 -6.044,-4.463 -15.899,-6.694 -29.567,-6.694 -13.483,0 -24.686,2.21 -33.611,6.625 -8.928,4.417 -14.693,10.53 -17.295,18.34 -2.51,7.72 -0.722,13.786 5.37,18.201 6.089,4.418 15.922,6.626 29.498,6.626 13.575,0 24.826,-2.208 33.753,-6.626 8.924,-4.415 14.642,-10.481 17.153,-18.201 z m -26.082,0.14 c -0.931,2.978 -2.069,5.3 -3.417,6.974 -1.349,1.675 -3.046,3.116 -5.09,4.323 -1.768,1.116 -3.765,1.883 -5.997,2.302 -2.232,0.419 -4.463,0.627 -6.696,0.627 -2.697,0 -4.999,-0.23 -6.903,-0.696 -1.907,-0.465 -3.417,-1.256 -4.533,-2.371 -1.21,-1.116 -1.906,-2.626 -2.092,-4.533 -0.188,-1.904 0.14,-4.114 0.977,-6.625 0.929,-2.88 2.161,-5.275 3.696,-7.183 1.534,-1.904 3.229,-3.417 5.09,-4.533 2.138,-1.115 4.206,-1.882 6.207,-2.301 1.999,-0.419 4.207,-0.627 6.625,-0.627 2.416,0 4.603,0.257 6.555,0.767 1.953,0.512 3.486,1.325 4.603,2.44 1.115,1.116 1.789,2.605 2.021,4.463 0.231,1.86 -0.117,4.185 -1.046,6.973 z"
+     style="fill:url(#linearGradient3031)"/><path
+     id="path32"
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+     style="fill:url(#linearGradient3033)"/><path
+     id="path39"
+     d="m 172.838,122.204 c -6.091,-4.415 -15.924,-6.625 -29.499,-6.625 -13.577,0 -24.826,2.21 -33.751,6.625 -8.926,4.417 -14.4,10.415 -16.911,18.131 l -0.105,0.349 -12.692,39.19 c -5.26,17.631 17.526,24.612 17.526,24.612 l 7.58,-24.612 0.656,-2.106 c 0.592,-1.982 1.192,-3.964 1.781,-5.948 l 1.686,-5.531 c 0.603,-1.832 1.207,-3.662 1.85,-5.481 l 3.979,-10.875 1.993,-5.436 1.429,-3.718 c 0.051,-0.172 0.099,-0.339 0.155,-0.514 0.836,-2.509 1.953,-4.718 3.347,-6.624 1.396,-1.904 3.069,-3.417 5.021,-4.533 1.859,-1.115 3.882,-1.904 6.067,-2.371 2.183,-0.464 4.625,-0.696 7.322,-0.696 2.231,0 4.325,0.208 6.277,0.627 1.952,0.419 3.438,1.186 4.463,2.301 1.301,1.209 2.068,2.65 2.3,4.323 0.231,1.675 -0.117,3.999 -1.046,6.974 -0.931,2.79 -2.116,5.116 -3.557,6.974 -1.442,1.862 -3.091,3.348 -4.951,4.464 -1.861,1.115 -3.905,1.931 -6.136,2.44 -2.231,0.512 -4.558,0.767 -6.973,0.767 -2.419,0 -4.487,-0.208 -6.207,-0.627 -1.721,-0.419 -3.326,-1.186 -4.812,-2.302 -0.112,-0.112 -0.201,-0.247 -0.305,-0.366 l -3.674,10.658 c -0.206,0.613 -0.403,1.228 -0.601,1.842 3.479,0.708 7.507,1.13 12.111,1.256 13.668,0 24.965,-2.231 33.893,-6.694 8.926,-4.464 14.643,-10.552 17.154,-18.271 2.511,-7.719 0.718,-13.786 -5.37,-18.203 z"
+     style="fill:url(#linearGradient3035)"/></g>
+</svg>
diff --git a/examples/opusenc_example.c b/examples/opusenc_example.c
new file mode 100644 (file)
index 0000000..5c2fa9b
--- /dev/null
@@ -0,0 +1,3 @@
+int main(int argc, char **argv) {
+  return 0;
+}
index f3c495d..c91ecd2 100644 (file)
@@ -29,7 +29,7 @@ OggOpusEnc *ope_create_callbacks(OpusEncCallbacks *callbacks, void *user_data, i
 int ope_write_float(OggOpusEnc *enc, float *pcm, int samples_per_channel);
 
 /* Add/encode any number of int16 samples to the file. */
-int ope_write_int(OggOpusEnc *enc, opus_int16 *pcm, int samples_per_channel);
+int ope_write(OggOpusEnc *enc, opus_int16 *pcm, int samples_per_channel);
 
 /* Close/finalize the stream. */
 int ope_free(OggOpusEnc *enc);
diff --git a/m4/attributes.m4 b/m4/attributes.m4
new file mode 100644 (file)
index 0000000..ebc7347
--- /dev/null
@@ -0,0 +1,321 @@
+dnl Macros to check the presence of generic (non-typed) symbols.
+dnl Copyright (c) 2006-2007 Diego Pettenò <flameeyes@gmail.com>
+dnl Copyright (c) 2006-2007 xine project
+dnl
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 2, or (at your option)
+dnl any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software
+dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+dnl 02110-1301, USA.
+dnl
+dnl As a special exception, the copyright owners of the
+dnl macro gives unlimited permission to copy, distribute and modify the
+dnl configure scripts that are the output of Autoconf when processing the
+dnl Macro. You need not follow the terms of the GNU General Public
+dnl License when using or distributing such scripts, even though portions
+dnl of the text of the Macro appear in them. The GNU General Public
+dnl License (GPL) does govern all other use of the material that
+dnl constitutes the Autoconf Macro.
+dnl
+dnl This special exception to the GPL applies to versions of the
+dnl Autoconf Macro released by this project. When you make and
+dnl distribute a modified version of the Autoconf Macro, you may extend
+dnl this special exception to the GPL to apply to your modified version as
+dnl well.
+
+dnl Check if the flag is supported by compiler
+dnl CC_CHECK_CFLAGS_SILENT([FLAG], [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
+
+AC_DEFUN([CC_CHECK_CFLAGS_SILENT], [
+  AC_CACHE_VAL(AS_TR_SH([cc_cv_cflags_$1]),
+    [ac_save_CFLAGS="$CFLAGS"
+     CFLAGS="$CFLAGS $1"
+     AC_LINK_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
+       [eval "AS_TR_SH([cc_cv_cflags_$1])='yes'"],
+       [eval "AS_TR_SH([cc_cv_cflags_$1])='no'"])
+     CFLAGS="$ac_save_CFLAGS"
+    ])
+
+  AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
+    [$2], [$3])
+])
+
+dnl Check if the flag is supported by compiler (cacheable)
+dnl CC_CHECK_CFLAGS([FLAG], [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
+
+AC_DEFUN([CC_CHECK_CFLAGS], [
+  AC_CACHE_CHECK([if $CC supports $1 flag],
+    AS_TR_SH([cc_cv_cflags_$1]),
+    CC_CHECK_CFLAGS_SILENT([$1]) dnl Don't execute actions here!
+  )
+
+  AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
+    [$2], [$3])
+])
+
+dnl CC_CHECK_CFLAG_APPEND(FLAG, [action-if-found], [action-if-not-found])
+dnl Check for CFLAG and appends them to CFLAGS if supported
+AC_DEFUN([CC_CHECK_CFLAG_APPEND], [
+  AC_CACHE_CHECK([if $CC supports $1 flag],
+    AS_TR_SH([cc_cv_cflags_$1]),
+    CC_CHECK_CFLAGS_SILENT([$1]) dnl Don't execute actions here!
+  )
+
+  AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
+    [CFLAGS="$CFLAGS $1"; $2], [$3])
+])
+
+dnl CC_CHECK_CFLAGS_APPEND([FLAG1 FLAG2], [action-if-found], [action-if-not])
+AC_DEFUN([CC_CHECK_CFLAGS_APPEND], [
+  for flag in $1; do
+    CC_CHECK_CFLAG_APPEND($flag, [$2], [$3])
+  done
+])
+
+dnl Check if the flag is supported by linker (cacheable)
+dnl CC_CHECK_LDFLAGS([FLAG], [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
+
+AC_DEFUN([CC_CHECK_LDFLAGS], [
+  AC_CACHE_CHECK([if $CC supports $1 flag],
+    AS_TR_SH([cc_cv_ldflags_$1]),
+    [ac_save_LDFLAGS="$LDFLAGS"
+     LDFLAGS="$LDFLAGS $1"
+     AC_LINK_IFELSE([AC_LANG_SOURCE([int main() { return 1; }])],
+       [eval "AS_TR_SH([cc_cv_ldflags_$1])='yes'"],
+       [eval "AS_TR_SH([cc_cv_ldflags_$1])="])
+     LDFLAGS="$ac_save_LDFLAGS"
+    ])
+
+  AS_IF([eval test x$]AS_TR_SH([cc_cv_ldflags_$1])[ = xyes],
+    [$2], [$3])
+])
+
+dnl define the LDFLAGS_NOUNDEFINED variable with the correct value for
+dnl the current linker to avoid undefined references in a shared object.
+AC_DEFUN([CC_NOUNDEFINED], [
+  dnl We check $host for which systems to enable this for.
+  AC_REQUIRE([AC_CANONICAL_HOST])
+
+  case $host in
+     dnl FreeBSD (et al.) does not complete linking for shared objects when pthreads
+     dnl are requested, as different implementations are present; to avoid problems
+     dnl use -Wl,-z,defs only for those platform not behaving this way.
+     *-freebsd* | *-openbsd*) ;;
+     *)
+        dnl First of all check for the --no-undefined variant of GNU ld. This allows
+        dnl for a much more readable commandline, so that people can understand what
+        dnl it does without going to look for what the heck -z defs does.
+        for possible_flags in "-Wl,--no-undefined" "-Wl,-z,defs"; do
+          CC_CHECK_LDFLAGS([$possible_flags], [LDFLAGS_NOUNDEFINED="$possible_flags"])
+         break
+        done
+       ;;
+  esac
+
+  AC_SUBST([LDFLAGS_NOUNDEFINED])
+])
+
+dnl Check for a -Werror flag or equivalent. -Werror is the GCC
+dnl and ICC flag that tells the compiler to treat all the warnings
+dnl as fatal. We usually need this option to make sure that some
+dnl constructs (like attributes) are not simply ignored.
+dnl
+dnl Other compilers don't support -Werror per se, but they support
+dnl an equivalent flag:
+dnl  - Sun Studio compiler supports -errwarn=%all
+AC_DEFUN([CC_CHECK_WERROR], [
+  AC_CACHE_CHECK(
+    [for $CC way to treat warnings as errors],
+    [cc_cv_werror],
+    [CC_CHECK_CFLAGS_SILENT([-Werror], [cc_cv_werror=-Werror],
+      [CC_CHECK_CFLAGS_SILENT([-errwarn=%all], [cc_cv_werror=-errwarn=%all])])
+    ])
+])
+
+AC_DEFUN([CC_CHECK_ATTRIBUTE], [
+  AC_REQUIRE([CC_CHECK_WERROR])
+  AC_CACHE_CHECK([if $CC supports __attribute__(( ifelse([$2], , [$1], [$2]) ))],
+    AS_TR_SH([cc_cv_attribute_$1]),
+    [ac_save_CFLAGS="$CFLAGS"
+     CFLAGS="$CFLAGS $cc_cv_werror"
+     AC_COMPILE_IFELSE([AC_LANG_SOURCE([$3])],
+       [eval "AS_TR_SH([cc_cv_attribute_$1])='yes'"],
+       [eval "AS_TR_SH([cc_cv_attribute_$1])='no'"])
+     CFLAGS="$ac_save_CFLAGS"
+    ])
+
+  AS_IF([eval test x$]AS_TR_SH([cc_cv_attribute_$1])[ = xyes],
+    [AC_DEFINE(
+       AS_TR_CPP([SUPPORT_ATTRIBUTE_$1]), 1,
+         [Define this if the compiler supports __attribute__(( ifelse([$2], , [$1], [$2]) ))]
+         )
+     $4],
+    [$5])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_CONSTRUCTOR], [
+  CC_CHECK_ATTRIBUTE(
+    [constructor],,
+    [extern void foo();
+     void __attribute__((constructor)) ctor() { foo(); }],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_DESTRUCTOR], [
+  CC_CHECK_ATTRIBUTE(
+    [destructor],,
+    [extern void foo();
+     void __attribute__((destructor)) dtor() { foo(); }],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_FORMAT], [
+  CC_CHECK_ATTRIBUTE(
+    [format], [format(printf, n, n)],
+    [void __attribute__((format(printf, 1, 2))) printflike(const char *fmt, ...) { fmt = (void *)0; }],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_FORMAT_ARG], [
+  CC_CHECK_ATTRIBUTE(
+    [format_arg], [format_arg(printf)],
+    [char *__attribute__((format_arg(1))) gettextlike(const char *fmt) { fmt = (void *)0; }],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_VISIBILITY], [
+  CC_CHECK_ATTRIBUTE(
+    [visibility_$1], [visibility("$1")],
+    [void __attribute__((visibility("$1"))) $1_function() { }],
+    [$2], [$3])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_NONNULL], [
+  CC_CHECK_ATTRIBUTE(
+    [nonnull], [nonnull()],
+    [void __attribute__((nonnull())) some_function(void *foo, void *bar) { foo = (void*)0; bar = (void*)0; }],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_UNUSED], [
+  CC_CHECK_ATTRIBUTE(
+    [unused], ,
+    [void some_function(void *foo, __attribute__((unused)) void *bar);],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_SENTINEL], [
+  CC_CHECK_ATTRIBUTE(
+    [sentinel], ,
+    [void some_function(void *foo, ...) __attribute__((sentinel));],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_DEPRECATED], [
+  CC_CHECK_ATTRIBUTE(
+    [deprecated], ,
+    [void some_function(void *foo, ...) __attribute__((deprecated));],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_ALIAS], [
+  CC_CHECK_ATTRIBUTE(
+    [alias], [weak, alias],
+    [void other_function(void *foo) { }
+     void some_function(void *foo) __attribute__((weak, alias("other_function")));],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_MALLOC], [
+  CC_CHECK_ATTRIBUTE(
+    [malloc], ,
+    [void * __attribute__((malloc)) my_alloc(int n);],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_PACKED], [
+  CC_CHECK_ATTRIBUTE(
+    [packed], ,
+    [struct astructure { char a; int b; long c; void *d; } __attribute__((packed));
+     char assert@<:@(sizeof(struct astructure) == (sizeof(char)+sizeof(int)+sizeof(long)+sizeof(void*)))-1@:>@;],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_CONST], [
+  CC_CHECK_ATTRIBUTE(
+    [const], ,
+    [int __attribute__((const)) twopow(int n) { return 1 << n; } ],
+    [$1], [$2])
+])
+
+AC_DEFUN([CC_FLAG_VISIBILITY], [
+  AC_REQUIRE([CC_CHECK_WERROR])
+  AC_CACHE_CHECK([if $CC supports -fvisibility=hidden],
+    [cc_cv_flag_visibility],
+    [cc_flag_visibility_save_CFLAGS="$CFLAGS"
+     CFLAGS="$CFLAGS $cc_cv_werror"
+     CC_CHECK_CFLAGS_SILENT([-fvisibility=hidden],
+       cc_cv_flag_visibility='yes',
+       cc_cv_flag_visibility='no')
+     CFLAGS="$cc_flag_visibility_save_CFLAGS"])
+
+  AS_IF([test "x$cc_cv_flag_visibility" = "xyes"],
+    [AC_DEFINE([SUPPORT_FLAG_VISIBILITY], 1,
+       [Define this if the compiler supports the -fvisibility flag])
+     $1],
+    [$2])
+])
+
+AC_DEFUN([CC_FUNC_EXPECT], [
+  AC_REQUIRE([CC_CHECK_WERROR])
+  AC_CACHE_CHECK([if compiler has __builtin_expect function],
+    [cc_cv_func_expect],
+    [ac_save_CFLAGS="$CFLAGS"
+     CFLAGS="$CFLAGS $cc_cv_werror"
+     AC_COMPILE_IFELSE([AC_LANG_SOURCE(
+       [int some_function() {
+        int a = 3;
+        return (int)__builtin_expect(a, 3);
+       }])],
+       [cc_cv_func_expect=yes],
+       [cc_cv_func_expect=no])
+     CFLAGS="$ac_save_CFLAGS"
+    ])
+
+  AS_IF([test "x$cc_cv_func_expect" = "xyes"],
+    [AC_DEFINE([SUPPORT__BUILTIN_EXPECT], 1,
+     [Define this if the compiler supports __builtin_expect() function])
+     $1],
+    [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_ALIGNED], [
+  AC_REQUIRE([CC_CHECK_WERROR])
+  AC_CACHE_CHECK([highest __attribute__ ((aligned ())) supported],
+    [cc_cv_attribute_aligned],
+    [ac_save_CFLAGS="$CFLAGS"
+     CFLAGS="$CFLAGS $cc_cv_werror"
+     for cc_attribute_align_try in 64 32 16 8 4 2; do
+        AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+          int main() {
+            static char c __attribute__ ((aligned($cc_attribute_align_try))) = 0;
+            return c;
+          }])], [cc_cv_attribute_aligned=$cc_attribute_align_try; break])
+     done
+     CFLAGS="$ac_save_CFLAGS"
+  ])
+
+  if test "x$cc_cv_attribute_aligned" != "x"; then
+     AC_DEFINE_UNQUOTED([ATTRIBUTE_ALIGNED_MAX], [$cc_cv_attribute_aligned],
+       [Define the highest alignment supported])
+  fi
+])
diff --git a/opusenc-uninstalled.pc.in b/opusenc-uninstalled.pc.in
new file mode 100644 (file)
index 0000000..e0ac87d
--- /dev/null
@@ -0,0 +1,14 @@
+# opusenc uninstalled pkg-config file
+
+prefix=
+exec_prefix=
+libdir=${pcfiledir}/.libs
+includedir=${pcfiledir}/@top_srcdir@/include
+
+Name: libopusenc uninstalled
+Description: High-level Opus decoding library (not installed)
+Version: @PACKAGE_VERSION@
+Requires.private: ogg >= 1.3 opus >= 1.0.1
+Conflicts:
+Libs: ${libdir}/libopusenc.la @lrintf_lib@
+Cflags: -I${includedir}
diff --git a/opusenc.pc.in b/opusenc.pc.in
new file mode 100644 (file)
index 0000000..4f83add
--- /dev/null
@@ -0,0 +1,15 @@
+# opusenc installed pkg-config file
+
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libopusenc
+Description: High-level Opus decoding library
+Version: @PACKAGE_VERSION@
+Requires.private: ogg >= 1.3 opus >= 1.0.1
+Conflicts:
+Libs: -L${libdir} -lopusenc
+Libs.private: @lrintf_lib@
+Cflags: -I${includedir}/opus
diff --git a/src/opusenc.c b/src/opusenc.c
new file mode 100644 (file)
index 0000000..e69de29
diff --git a/update_version b/update_version
new file mode 100755 (executable)
index 0000000..a999991
--- /dev/null
@@ -0,0 +1,65 @@
+#!/bin/bash
+
+# Creates and updates the package_version information used by configure.ac
+# (or other makefiles).  When run inside a git repository it will use the
+# version information that can be queried from it unless AUTO_UPDATE is set
+# to 'no'.  If no version is currently known it will be set to 'unknown'.
+#
+# If called with the argument 'release', the PACKAGE_VERSION will be updated
+# even if AUTO_UPDATE=no, but the value of AUTO_UPDATE shall be preserved.
+# This is used to force a version update whenever `make dist` is run.
+#
+# The exit status is 1 if package_version is not modified, else 0 is returned.
+#
+# This script should NOT be included in distributed tarballs, because if a
+# parent directory contains a git repository we do not want to accidentally
+# retrieve the version information from it instead.  Tarballs should ship
+# with only the package_version file.
+#
+# Ron <ron@debian.org>, 2012.
+
+SRCDIR=$(dirname $0)
+
+if [ -e "$SRCDIR/package_version" ]; then
+    . "$SRCDIR/package_version"
+fi
+
+if [ "$AUTO_UPDATE" = no ]; then
+    [ "$1" = release ] || exit 1
+else
+    AUTO_UPDATE=yes
+fi
+
+# We run `git status` before describe here to ensure that we don't get a false
+# -dirty from files that have been touched but are not actually altered in the
+# working dir.
+GIT_VERSION=$(cd "$SRCDIR" && git status > /dev/null 2>&1 \
+                           && git describe --tags --match 'v*' --dirty 2> /dev/null)
+GIT_VERSION=${GIT_VERSION#v}
+
+if [ -n "$GIT_VERSION" ]; then
+
+    [ "$GIT_VERSION" != "$PACKAGE_VERSION" ] || exit 1
+    PACKAGE_VERSION="$GIT_VERSION"
+
+elif [ -z "$PACKAGE_VERSION" ]; then
+    # No current package_version and no git ...
+    # We really shouldn't ever get here, because this script should only be
+    # included in the git repository, and should usually be export-ignored.
+    PACKAGE_VERSION="unknown"
+else
+    exit 1
+fi
+
+cat > "$SRCDIR/package_version" <<-EOF
+       # Automatically generated by update_version.
+       # This file may be sourced into a shell script or makefile.
+
+       # Set this to 'no' if you do not wish the version information
+       # to be checked and updated for every build.  Most people will
+       # never want to change this, it is an option for developers
+       # making frequent changes that they know will not be released.
+       AUTO_UPDATE=$AUTO_UPDATE
+
+       PACKAGE_VERSION="$PACKAGE_VERSION"
+EOF