Upgrade Opus to v1.1.2android-wear-n-preview-3android-wear-n-preview-1android-n-preview-3

Change-Id: I8211751bab026ab236a612c6e0873f8bdbcd6c98

6 files changed, 394 insertions, 328 deletions

diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index 8a63d5e8..0c016f32 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -611,7 +611,7 @@ WARN_LOGFILE           =
 # with spaces.
 
 INPUT                  = @top_srcdir@/include/opus.h \
-			 @top_srcdir@/include/opus_types.h   \
+                         @top_srcdir@/include/opus_types.h   \
                          @top_srcdir@/include/opus_defines.h \
                          @top_srcdir@/include/opus_multistream.h \
                          @top_srcdir@/include/opus_custom.h
diff --git a/doc/Makefile.in b/doc/Makefile.in
index 7f76fd63..0e308aaf 100644
--- a/doc/Makefile.in
+++ b/doc/Makefile.in
@@ -1,9 +1,8 @@
-# Makefile.in generated by automake 1.11.6 from Makefile.am.
+# Makefile.in generated by automake 1.15 from Makefile.am.
 # @configure_input@
 
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
-# Foundation, Inc.
+# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -15,23 +14,61 @@
 
 @SET_MAKE@
 VPATH = @srcdir@
-am__make_dryrun = \
-  { \
-    am__dry=no; \
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
     case $$MAKEFLAGS in \
       *\\[\ \	]*) \
-        echo 'am--echo: ; @echo "AM"  OK' | $(MAKE) -f - 2>/dev/null \
-          | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
-      *) \
-        for am__flg in $$MAKEFLAGS; do \
-          case $$am__flg in \
-            *=*|--*) ;; \
-            *n*) am__dry=yes; break;; \
-          esac; \
-        done;; \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
     esac; \
-    test $$am__dry = yes; \
-  }
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
 pkgdatadir = $(datadir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
@@ -51,25 +88,31 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 subdir = doc
-DIST_COMMON = $(srcdir)/Doxyfile.in $(srcdir)/Makefile.am \
-	$(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/as-gcc-inline-assembly.m4 \
 	$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
 	$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
-	$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/m4/opus-intrinsics.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
+DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
 mkinstalldirs = $(install_sh) -d
 CONFIG_HEADER = $(top_builddir)/config.h
 CONFIG_CLEAN_FILES = Doxyfile
 CONFIG_CLEAN_VPATH_FILES =
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
 AM_V_GEN = $(am__v_GEN_@AM_V@)
 am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
-am__v_GEN_0 = @echo "  GEN   " $@;
+am__v_GEN_0 = @echo "  GEN     " $@;
+am__v_GEN_1 = 
 AM_V_at = $(am__v_at_@AM_V@)
 am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
 am__v_at_0 = @
+am__v_at_1 = 
 SOURCES =
 DIST_SOURCES =
 am__can_run_installinfo = \
@@ -77,11 +120,15 @@ am__can_run_installinfo = \
     n|no|NO) false;; \
     *) (install-info --version) >/dev/null 2>&1;; \
   esac
+am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)
+am__DIST_COMMON = $(srcdir)/Doxyfile.in $(srcdir)/Makefile.in TODO
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 ACLOCAL = @ACLOCAL@
 AMTAR = @AMTAR@
 AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
 AR = @AR@
+ARM2GNU_PARAMS = @ARM2GNU_PARAMS@
+ARM_NEON_INTR_CFLAGS = @ARM_NEON_INTR_CFLAGS@
 AUTOCONF = @AUTOCONF@
 AUTOHEADER = @AUTOHEADER@
 AUTOMAKE = @AUTOMAKE@
@@ -107,6 +154,7 @@ EGREP = @EGREP@
 EXEEXT = @EXEEXT@
 FGREP = @FGREP@
 GREP = @GREP@
+HAVE_ARM_NE10 = @HAVE_ARM_NE10@
 HAVE_DOXYGEN = @HAVE_DOXYGEN@
 HAVE_PERL = @HAVE_PERL@
 INSTALL = @INSTALL@
@@ -127,6 +175,8 @@ MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+NE10_CFLAGS = @NE10_CFLAGS@
+NE10_LIBS = @NE10_LIBS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
@@ -134,10 +184,15 @@ OBJEXT = @OBJEXT@
 OPUS_ARM_MAY_HAVE_EDSP = @OPUS_ARM_MAY_HAVE_EDSP@
 OPUS_ARM_MAY_HAVE_MEDIA = @OPUS_ARM_MAY_HAVE_MEDIA@
 OPUS_ARM_MAY_HAVE_NEON = @OPUS_ARM_MAY_HAVE_NEON@
+OPUS_ARM_NEON_INTR_CFLAGS = @OPUS_ARM_NEON_INTR_CFLAGS@
 OPUS_HAVE_RTCD = @OPUS_HAVE_RTCD@
 OPUS_LT_AGE = @OPUS_LT_AGE@
 OPUS_LT_CURRENT = @OPUS_LT_CURRENT@
 OPUS_LT_REVISION = @OPUS_LT_REVISION@
+OPUS_X86_AVX_CFLAGS = @OPUS_X86_AVX_CFLAGS@
+OPUS_X86_SSE2_CFLAGS = @OPUS_X86_SSE2_CFLAGS@
+OPUS_X86_SSE4_1_CFLAGS = @OPUS_X86_SSE4_1_CFLAGS@
+OPUS_X86_SSE_CFLAGS = @OPUS_X86_SSE_CFLAGS@
 OTOOL = @OTOOL@
 OTOOL64 = @OTOOL64@
 PACKAGE = @PACKAGE@
@@ -155,6 +210,10 @@ SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
 VERSION = @VERSION@
+X86_AVX_CFLAGS = @X86_AVX_CFLAGS@
+X86_SSE2_CFLAGS = @X86_SSE2_CFLAGS@
+X86_SSE4_1_CFLAGS = @X86_SSE4_1_CFLAGS@
+X86_SSE_CFLAGS = @X86_SSE_CFLAGS@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
 abs_top_builddir = @abs_top_builddir@
@@ -234,7 +293,6 @@ $(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__confi
 	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu doc/Makefile'; \
 	$(am__cd) $(top_srcdir) && \
 	  $(AUTOMAKE) --gnu doc/Makefile
-.PRECIOUS: Makefile
 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	@case '$?' in \
 	  *config.status*) \
@@ -260,11 +318,11 @@ mostlyclean-libtool:
 
 clean-libtool:
 	-rm -rf .libs _libs
-tags: TAGS
-TAGS:
+tags TAGS:
 
-ctags: CTAGS
-CTAGS:
+ctags CTAGS:
+
+cscope cscopelist:
 
 
 distdir: $(DISTFILES)
@@ -332,9 +390,9 @@ distclean-generic:
 maintainer-clean-generic:
 	@echo "This command is intended for maintainers to use"
 	@echo "it deletes files that may require special tools to rebuild."
+@HAVE_DOXYGEN_FALSE@clean-local:
 @HAVE_DOXYGEN_FALSE@uninstall-local:
 @HAVE_DOXYGEN_FALSE@install-data-local:
-@HAVE_DOXYGEN_FALSE@clean-local:
 clean: clean-am
 
 clean-am: clean-generic clean-libtool clean-local mostlyclean-am
@@ -404,17 +462,19 @@ uninstall-am: uninstall-local
 .MAKE: install-am install-strip
 
 .PHONY: all all-am all-local check check-am clean clean-generic \
-	clean-libtool clean-local distclean distclean-generic \
-	distclean-libtool distdir dvi dvi-am html html-am info info-am \
-	install install-am install-data install-data-am \
-	install-data-local install-dvi install-dvi-am install-exec \
-	install-exec-am install-html install-html-am install-info \
-	install-info-am install-man install-pdf install-pdf-am \
-	install-ps install-ps-am install-strip installcheck \
-	installcheck-am installdirs maintainer-clean \
+	clean-libtool clean-local cscopelist-am ctags-am distclean \
+	distclean-generic distclean-libtool distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-data-local install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
 	maintainer-clean-generic mostlyclean mostlyclean-generic \
-	mostlyclean-libtool pdf pdf-am ps ps-am uninstall uninstall-am \
-	uninstall-local
+	mostlyclean-libtool pdf pdf-am ps ps-am tags-am uninstall \
+	uninstall-am uninstall-local
+
+.PRECIOUS: Makefile
 
 
 @HAVE_DOXYGEN_TRUE@all-local: doxygen-build.stamp
diff --git a/doc/TODO b/doc/TODO
new file mode 100644
index 00000000..9e1c2d51
--- /dev/null
+++ b/doc/TODO
@@ -0,0 +1,7 @@
+define audio bandwidth as frequency range
+
+repeat padding recommendation
+
+ptime: refer to RFC
+
+Opus does not provide any confidentiality or integrity protection
diff --git a/doc/customdoxygen.css b/doc/customdoxygen.css
index 4bce44db..70047787 100644
--- a/doc/customdoxygen.css
+++ b/doc/customdoxygen.css
@@ -1,62 +1,62 @@
 /* The standard CSS for doxygen */
 
 body, table, div, p, dl {
-	font-family: Lucida Grande, Verdana, Geneva, Arial, sans-serif;
-	font-size: 13px;
-	line-height: 1.3;
+        font-family: Lucida Grande, Verdana, Geneva, Arial, sans-serif;
+        font-size: 13px;
+        line-height: 1.3;
 }
 
 /* @group Heading Levels */
 
 h1 {
-	font-size: 150%;
+        font-size: 150%;
 }
 
 .title {
-	font-size: 150%;
-	font-weight: bold;
-	margin: 10px 2px;
+        font-size: 150%;
+        font-weight: bold;
+        margin: 10px 2px;
 }
 
 h2 {
-	font-size: 120%;
+        font-size: 120%;
 }
 
 h3 {
-	font-size: 100%;
+        font-size: 100%;
 }
 
 dt {
-	font-weight: bold;
+        font-weight: bold;
 }
 
 div.multicol {
-	-moz-column-gap: 1em;
-	-webkit-column-gap: 1em;
-	-moz-column-count: 3;
-	-webkit-column-count: 3;
+        -moz-column-gap: 1em;
+        -webkit-column-gap: 1em;
+        -moz-column-count: 3;
+        -webkit-column-count: 3;
 }
 
 p.startli, p.startdd, p.starttd {
-	margin-top: 2px;
+        margin-top: 2px;
 }
 
 p.endli {
-	margin-bottom: 0px;
+        margin-bottom: 0px;
 }
 
 p.enddd {
-	margin-bottom: 4px;
+        margin-bottom: 4px;
 }
 
 p.endtd {
-	margin-bottom: 2px;
+        margin-bottom: 2px;
 }
 
 /* @end */
 
 caption {
-	font-weight: bold;
+        font-weight: bold;
 }
 
 span.legend {
@@ -70,45 +70,45 @@ h3.version {
 }
 
 div.qindex, div.navtab{
-	background-color: #F1F1F1;
-	border: 1px solid #BDBDBD;
-	text-align: center;
+        background-color: #F1F1F1;
+        border: 1px solid #BDBDBD;
+        text-align: center;
 }
 
 div.qindex, div.navpath {
-	width: 100%;
-	line-height: 140%;
+        width: 100%;
+        line-height: 140%;
 }
 
 div.navtab {
-	margin-right: 15px;
+        margin-right: 15px;
 }
 
 /* @group Link Styling */
 
 a {
-	color: #646464;
-	font-weight: normal;
-	text-decoration: none;
+        color: #646464;
+        font-weight: normal;
+        text-decoration: none;
 }
 
 .contents a:visited {
-	color: #747474;
+        color: #747474;
 }
 
 a:hover {
-	text-decoration: underline;
+        text-decoration: underline;
 }
 
 a.qindex {
-	font-weight: bold;
+        font-weight: bold;
 }
 
 a.qindexHL {
-	font-weight: bold;
-	background-color: #B8B8B8;
-	color: #ffffff;
-	border: 1px double #A8A8A8;
+        font-weight: bold;
+        background-color: #B8B8B8;
+        color: #ffffff;
+        border: 1px double #A8A8A8;
 }
 
 .contents a.qindexHL:visited {
@@ -116,181 +116,181 @@ a.qindexHL {
 }
 
 a.el {
-	font-weight: bold;
+        font-weight: bold;
 }
 
 a.elRef {
 }
 
 a.code, a.code:visited {
-	color: #4665A2; 
+        color: #4665A2;
 }
 
 a.codeRef, a.codeRef:visited {
-	color: #4665A2; 
+        color: #4665A2;
 }
 
 /* @end */
 
 dl.el {
-	margin-left: -1cm;
+        margin-left: -1cm;
 }
 
 .fragment {
-	font-family: monospace, fixed;
-	font-size: 105%;
+        font-family: monospace, fixed;
+        font-size: 105%;
 }
 
 pre.fragment {
-	border: 1px solid #D5D5D5;
-	background-color: #FCFCFC;
-	padding: 4px 6px;
-	margin: 4px 8px 4px 2px;
-	overflow: auto;
-	word-wrap: break-word;
-	font-size:  9pt;
-	line-height: 125%;
+        border: 1px solid #D5D5D5;
+        background-color: #FCFCFC;
+        padding: 4px 6px;
+        margin: 4px 8px 4px 2px;
+        overflow: auto;
+        word-wrap: break-word;
+        font-size:  9pt;
+        line-height: 125%;
 }
 
 div.ah {
-	background-color: black;
-	font-weight: bold;
-	color: #ffffff;
-	margin-bottom: 3px;
-	margin-top: 3px;
-	padding: 0.2em;
-	border: solid thin #333;
-	border-radius: 0.5em;
-	-webkit-border-radius: .5em;
-	-moz-border-radius: .5em;
-	box-shadow: 2px 2px 3px #999;
-	-webkit-box-shadow: 2px 2px 3px #999;
-	-moz-box-shadow: rgba(0, 0, 0, 0.15) 2px 2px 2px;
-	background-image: -webkit-gradient(linear, left top, left bottom, from(#eee), to(#000),color-stop(0.3, #444));
-	background-image: -moz-linear-gradient(center top, #eee 0%, #444 40%, #000);
+        background-color: black;
+        font-weight: bold;
+        color: #ffffff;
+        margin-bottom: 3px;
+        margin-top: 3px;
+        padding: 0.2em;
+        border: solid thin #333;
+        border-radius: 0.5em;
+        -webkit-border-radius: .5em;
+        -moz-border-radius: .5em;
+        box-shadow: 2px 2px 3px #999;
+        -webkit-box-shadow: 2px 2px 3px #999;
+        -moz-box-shadow: rgba(0, 0, 0, 0.15) 2px 2px 2px;
+        background-image: -webkit-gradient(linear, left top, left bottom, from(#eee), to(#000),color-stop(0.3, #444));
+        background-image: -moz-linear-gradient(center top, #eee 0%, #444 40%, #000);
 }
 
 div.groupHeader {
-	margin-left: 16px;
-	margin-top: 12px;
-	font-weight: bold;
+        margin-left: 16px;
+        margin-top: 12px;
+        font-weight: bold;
 }
 
 div.groupText {
-	margin-left: 16px;
-	font-style: italic;
+        margin-left: 16px;
+        font-style: italic;
 }
 
 body {
-	background-color: white;
-	color: black;
+        background-color: white;
+        color: black;
         margin: 0;
 }
 
 div.contents {
-	margin-top: 10px;
-	margin-left: 8px;
-	margin-right: 8px;
+        margin-top: 10px;
+        margin-left: 8px;
+        margin-right: 8px;
 }
 
 td.indexkey {
-	background-color: #F1F1F1;
-	font-weight: bold;
-	border: 1px solid #D5D5D5;
-	margin: 2px 0px 2px 0;
-	padding: 2px 10px;
+        background-color: #F1F1F1;
+        font-weight: bold;
+        border: 1px solid #D5D5D5;
+        margin: 2px 0px 2px 0;
+        padding: 2px 10px;
         white-space: nowrap;
         vertical-align: top;
 }
 
 td.indexvalue {
-	background-color: #F1F1F1;
-	border: 1px solid #D5D5D5;
-	padding: 2px 10px;
-	margin: 2px 0px;
+        background-color: #F1F1F1;
+        border: 1px solid #D5D5D5;
+        padding: 2px 10px;
+        margin: 2px 0px;
 }
 
 tr.memlist {
-	background-color: #F2F2F2;
+        background-color: #F2F2F2;
 }
 
 p.formulaDsp {
-	text-align: center;
+        text-align: center;
 }
 
 img.formulaDsp {
-	
+
 }
 
 img.formulaInl {
-	vertical-align: middle;
+        vertical-align: middle;
 }
 
 div.center {
-	text-align: center;
+        text-align: center;
         margin-top: 0px;
         margin-bottom: 0px;
         padding: 0px;
 }
 
 div.center img {
-	border: 0px;
+        border: 0px;
 }
 
 address.footer {
-	text-align: right;
-	padding-right: 12px;
+        text-align: right;
+        padding-right: 12px;
 }
 
 img.footer {
-	border: 0px;
-	vertical-align: middle;
+        border: 0px;
+        vertical-align: middle;
 }
 
 /* @group Code Colorization */
 
 span.keyword {
-	color: #008000
+        color: #008000
 }
 
 span.keywordtype {
-	color: #604020
+        color: #604020
 }
 
 span.keywordflow {
-	color: #e08000
+        color: #e08000
 }
 
 span.comment {
-	color: #800000
+        color: #800000
 }
 
 span.preprocessor {
-	color: #806020
+        color: #806020
 }
 
 span.stringliteral {
-	color: #002080
+        color: #002080
 }
 
 span.charliteral {
-	color: #008080
+        color: #008080
 }
 
-span.vhdldigit { 
-	color: #ff00ff 
+span.vhdldigit {
+        color: #ff00ff
 }
 
-span.vhdlchar { 
-	color: #000000 
+span.vhdlchar {
+        color: #000000
 }
 
-span.vhdlkeyword { 
-	color: #700070 
+span.vhdlkeyword {
+        color: #700070
 }
 
-span.vhdllogic { 
-	color: #ff0000 
+span.vhdllogic {
+        color: #ff0000
 }
 
 blockquote {
@@ -304,71 +304,71 @@ blockquote {
 
 /*
 .search {
-	color: #003399;
-	font-weight: bold;
+        color: #003399;
+        font-weight: bold;
 }
 
 form.search {
-	margin-bottom: 0px;
-	margin-top: 0px;
+        margin-bottom: 0px;
+        margin-top: 0px;
 }
 
 input.search {
-	font-size: 75%;
-	color: #000080;
-	font-weight: normal;
-	background-color: #e8eef2;
+        font-size: 75%;
+        color: #000080;
+        font-weight: normal;
+        background-color: #e8eef2;
 }
 */
 
 td.tiny {
-	font-size: 75%;
+        font-size: 75%;
 }
 
 .dirtab {
-	padding: 4px;
-	border-collapse: collapse;
-	border: 1px solid #BDBDBD;
+        padding: 4px;
+        border-collapse: collapse;
+        border: 1px solid #BDBDBD;
 }
 
 th.dirtab {
-	background: #F1F1F1;
-	font-weight: bold;
+        background: #F1F1F1;
+        font-weight: bold;
 }
 
 hr {
-	height: 0px;
-	border: none;
-	border-top: 1px solid #7A7A7A;
+        height: 0px;
+        border: none;
+        border-top: 1px solid #7A7A7A;
 }
 
 hr.footer {
-	height: 1px;
+        height: 1px;
 }
 
 /* @group Member Descriptions */
 
 table.memberdecls {
-	border-spacing: 0px;
-	padding: 0px;
+        border-spacing: 0px;
+        padding: 0px;
 }
 
 .mdescLeft, .mdescRight,
 .memItemLeft, .memItemRight,
 .memTemplItemLeft, .memTemplItemRight, .memTemplParams {
-	background-color: #FAFAFA;
-	border: none;
-	margin: 4px;
-	padding: 1px 0 0 8px;
+        background-color: #FAFAFA;
+        border: none;
+        margin: 4px;
+        padding: 1px 0 0 8px;
 }
 
 .mdescLeft, .mdescRight {
-	padding: 0px 8px 4px 8px;
-	color: #555;
+        padding: 0px 8px 4px 8px;
+        color: #555;
 }
 
 .memItemLeft, .memItemRight, .memTemplParams {
-	border-top: 1px solid #D5D5D5;
+        border-top: 1px solid #D5D5D5;
 }
 
 .memItemLeft, .memTemplItemLeft {
@@ -376,11 +376,11 @@ table.memberdecls {
 }
 
 .memItemRight {
-	width: 100%;
+        width: 100%;
 }
 
 .memTemplParams {
-	color: #747474;
+        color: #747474;
         white-space: nowrap;
 }
 
@@ -391,29 +391,29 @@ table.memberdecls {
 /* Styles for detailed member documentation */
 
 .memtemplate {
-	font-size: 80%;
-	color: #747474;
-	font-weight: normal;
-	margin-left: 9px;
+        font-size: 80%;
+        color: #747474;
+        font-weight: normal;
+        margin-left: 9px;
 }
 
 .memnav {
-	background-color: #F1F1F1;
-	border: 1px solid #BDBDBD;
-	text-align: center;
-	margin: 2px;
-	margin-right: 15px;
-	padding: 2px;
+        background-color: #F1F1F1;
+        border: 1px solid #BDBDBD;
+        text-align: center;
+        margin: 2px;
+        margin-right: 15px;
+        padding: 2px;
 }
 
 .mempage {
-	width: 100%;
+        width: 100%;
 }
 
 .memitem {
-	padding: 0;
-	margin-bottom: 10px;
-	margin-right: 5px;
+        padding: 0;
+        margin-bottom: 10px;
+        margin-right: 5px;
 }
 
 .memname {
@@ -449,9 +449,9 @@ table.memberdecls {
 }
 
 .memdoc, dl.reflist dd {
-        border-bottom: 1px solid #C0C0C0;      
-        border-left: 1px solid #C0C0C0;      
-        border-right: 1px solid #C0C0C0; 
+        border-bottom: 1px solid #C0C0C0;
+        border-left: 1px solid #C0C0C0;
+        border-right: 1px solid #C0C0C0;
         padding: 2px 5px;
         background-color: #FCFCFC;
         border-top-width: 0;
@@ -481,35 +481,35 @@ dl.reflist dd {
 }
 
 .paramkey {
-	text-align: right;
+        text-align: right;
 }
 
 .paramtype {
-	white-space: nowrap;
+        white-space: nowrap;
 }
 
 .paramname {
-	color: #602020;
-	white-space: nowrap;
+        color: #602020;
+        white-space: nowrap;
 }
 .paramname em {
-	font-style: normal;
+        font-style: normal;
 }
 
 .params, .retval, .exception, .tparams {
         border-spacing: 6px 2px;
-}       
+}
 
 .params .paramname, .retval .paramname {
         font-weight: bold;
         vertical-align: top;
 }
-        
+
 .params .paramtype {
         font-style: italic;
         vertical-align: top;
-}       
-        
+}
+
 .params .paramdir {
         font-family: "courier new",courier,monospace;
         vertical-align: top;
@@ -525,22 +525,22 @@ dl.reflist dd {
 /* for the tree view */
 
 .ftvtree {
-	font-family: sans-serif;
-	margin: 0px;
+        font-family: sans-serif;
+        margin: 0px;
 }
 
 /* these are for tree view when used as main index */
 
 .directory {
-	font-size: 9pt;
-	font-weight: bold;
-	margin: 5px;
+        font-size: 9pt;
+        font-weight: bold;
+        margin: 5px;
 }
 
 .directory h3 {
-	margin: 0px;
-	margin-top: 1em;
-	font-size: 11pt;
+        margin: 0px;
+        margin-top: 1em;
+        font-size: 11pt;
 }
 
 /*
@@ -552,62 +552,62 @@ proper pixel height of your image.
 
 /*
 .directory h3.swap {
-	height: 61px;
-	background-repeat: no-repeat;
-	background-image: url("yourimage.gif");
+        height: 61px;
+        background-repeat: no-repeat;
+        background-image: url("yourimage.gif");
 }
 .directory h3.swap span {
-	display: none;
+        display: none;
 }
 */
 
 .directory > h3 {
-	margin-top: 0;
+        margin-top: 0;
 }
 
 .directory p {
-	margin: 0px;
-	white-space: nowrap;
+        margin: 0px;
+        white-space: nowrap;
 }
 
 .directory div {
-	display: none;
-	margin: 0px;
+        display: none;
+        margin: 0px;
 }
 
 .directory img {
-	vertical-align: -30%;
+        vertical-align: -30%;
 }
 
 /* these are for tree view when not used as main index */
 
 .directory-alt {
-	font-size: 100%;
-	font-weight: bold;
+        font-size: 100%;
+        font-weight: bold;
 }
 
 .directory-alt h3 {
-	margin: 0px;
-	margin-top: 1em;
-	font-size: 11pt;
+        margin: 0px;
+        margin-top: 1em;
+        font-size: 11pt;
 }
 
 .directory-alt > h3 {
-	margin-top: 0;
+        margin-top: 0;
 }
 
 .directory-alt p {
-	margin: 0px;
-	white-space: nowrap;
+        margin: 0px;
+        white-space: nowrap;
 }
 
 .directory-alt div {
-	display: none;
-	margin: 0px;
+        display: none;
+        margin: 0px;
 }
 
 .directory-alt img {
-	vertical-align: -30%;
+        vertical-align: -30%;
 }
 
 /* @end */
@@ -617,27 +617,27 @@ div.dynheader {
 }
 
 address {
-	font-style: normal;
-	color: #464646;
+        font-style: normal;
+        color: #464646;
 }
 
 table.doxtable {
-	border-collapse:collapse;
+        border-collapse:collapse;
         margin-top: 4px;
         margin-bottom: 4px;
 }
 
 table.doxtable td, table.doxtable th {
-	border: 1px solid #4A4A4A;
-	padding: 3px 7px 2px;
+        border: 1px solid #4A4A4A;
+        padding: 3px 7px 2px;
 }
 
 table.doxtable th {
-	background-color: #5B5B5B;
-	color: #FFFFFF;
-	font-size: 110%;
-	padding-bottom: 4px;
-	padding-top: 5px;
+        background-color: #5B5B5B;
+        color: #FFFFFF;
+        font-size: 110%;
+        padding-bottom: 4px;
+        padding-top: 5px;
 }
 
 table.fieldtable {
@@ -693,52 +693,52 @@ table.fieldtable {
 
 
 .tabsearch {
-	top: 0px;
-	left: 10px;
-	height: 36px;
-	background-image: url('tab_b.png');
-	z-index: 101;
-	overflow: hidden;
-	font-size: 13px;
+        top: 0px;
+        left: 10px;
+        height: 36px;
+        background-image: url('tab_b.png');
+        z-index: 101;
+        overflow: hidden;
+        font-size: 13px;
 }
 
 .navpath ul
 {
-	font-size: 11px;
-	background-image:url('tab_b.png');
-	background-repeat:repeat-x;
-	height:30px;
-	line-height:30px;
-	color:#ABABAB;
-	border:solid 1px #D3D3D3;
-	overflow:hidden;
-	margin:0px;
-	padding:0px;
+        font-size: 11px;
+        background-image:url('tab_b.png');
+        background-repeat:repeat-x;
+        height:30px;
+        line-height:30px;
+        color:#ABABAB;
+        border:solid 1px #D3D3D3;
+        overflow:hidden;
+        margin:0px;
+        padding:0px;
 }
 
 .navpath li
 {
-	list-style-type:none;
-	float:left;
-	padding-left:10px;
-	padding-right:15px;
-	background-image:url('bc_s.png');
-	background-repeat:no-repeat;
-	background-position:right;
-	color:#595959;
+        list-style-type:none;
+        float:left;
+        padding-left:10px;
+        padding-right:15px;
+        background-image:url('bc_s.png');
+        background-repeat:no-repeat;
+        background-position:right;
+        color:#595959;
 }
 
 .navpath li.navelem a
 {
-	height:32px;
-	display:block;
-	text-decoration: none;
-	outline: none;
+        height:32px;
+        display:block;
+        text-decoration: none;
+        outline: none;
 }
 
 .navpath li.navelem a:hover
 {
-	color:#929292;
+        color:#929292;
 }
 
 .navpath li.footer
@@ -757,44 +757,44 @@ table.fieldtable {
 
 div.summary
 {
-	float: right;
-	font-size: 8pt;
-	padding-right: 5px;
-	width: 50%;
-	text-align: right;
-}       
+        float: right;
+        font-size: 8pt;
+        padding-right: 5px;
+        width: 50%;
+        text-align: right;
+}
 
 div.summary a
 {
-	white-space: nowrap;
+        white-space: nowrap;
 }
 
 div.ingroups
 {
-	margin-left: 5px;
-	font-size: 8pt;
-	padding-left: 5px;
-	width: 50%;
-	text-align: left;
+        margin-left: 5px;
+        font-size: 8pt;
+        padding-left: 5px;
+        width: 50%;
+        text-align: left;
 }
 
 div.ingroups a
 {
-	white-space: nowrap;
+        white-space: nowrap;
 }
 
 div.header
 {
         background-image:url('nav_h.png');
         background-repeat:repeat-x;
-	background-color: #FAFAFA;
-	margin:  0px;
-	border-bottom: 1px solid #D5D5D5;
+        background-color: #FAFAFA;
+        margin:  0px;
+        border-bottom: 1px solid #D5D5D5;
 }
 
 div.headertitle
 {
-	padding: 5px 5px 5px 7px;
+        padding: 5px 5px 5px 7px;
 }
 
 dl
@@ -845,49 +845,49 @@ dl.bug
 }
 
 dl.section dd {
-	margin-bottom: 6px;
+        margin-bottom: 6px;
 }
 
 
 #projectlogo
 {
-	text-align: center;
-	vertical-align: bottom;
-	border-collapse: separate;
+        text-align: center;
+        vertical-align: bottom;
+        border-collapse: separate;
 }
- 
+
 #projectlogo img
-{ 
-	border: 0px none;
+{
+        border: 0px none;
 }
- 
+
 #projectname
 {
-	font: 300% Tahoma, Arial,sans-serif;
-	margin: 0px;
-	padding: 2px 0px;
+        font: 300% Tahoma, Arial,sans-serif;
+        margin: 0px;
+        padding: 2px 0px;
 }
-    
+
 #projectbrief
 {
-	font: 120% Tahoma, Arial,sans-serif;
-	margin: 0px;
-	padding: 0px;
+        font: 120% Tahoma, Arial,sans-serif;
+        margin: 0px;
+        padding: 0px;
 }
 
 #projectnumber
 {
-	font: 100% Tahoma, Arial,sans-serif;
-	margin: 0px;
-	padding: 0px;
+        font: 100% Tahoma, Arial,sans-serif;
+        margin: 0px;
+        padding: 0px;
 }
 
 #titlearea
 {
-	padding: 0px;
-	margin: 0px;
-	width: 100%;
-	border-bottom: 1px solid #848484;
+        padding: 0px;
+        margin: 0px;
+        width: 100%;
+        border-bottom: 1px solid #848484;
 }
 
 .image
@@ -907,12 +907,12 @@ dl.section dd {
 
 .caption
 {
-	font-weight: bold;
+        font-weight: bold;
 }
 
 div.zoom
 {
-	border: 1px solid #AFAFAF;
+        border: 1px solid #AFAFAF;
 }
 
 dl.citelist {
@@ -953,7 +953,7 @@ div.toc li {
 
 div.toc h3 {
         font: bold 12px/1.2 Arial,FreeSans,sans-serif;
-	color: #747474;
+        color: #747474;
         border-bottom: 0 none;
         margin: 0;
 }
@@ -962,7 +962,7 @@ div.toc ul {
         list-style: none outside none;
         border: medium none;
         padding: 0px;
-}       
+}
 
 div.toc li.level1 {
         margin-left: 0px;
@@ -1009,4 +1009,3 @@ div.toc li.level4 {
     word-wrap: break-word; /* IE 5.5+ */
   }
 }
-
diff --git a/doc/opus_logo.svg b/doc/opus_logo.svg
index 97112afd..db2879ef 100644
--- a/doc/opus_logo.svg
+++ b/doc/opus_logo.svg
@@ -59,11 +59,11 @@
    y1="95.107399"
    x2="194.53169"
    y2="9.9475983e-14">
-	<stop
+        <stop
    offset="0.0056"
    style="stop-color:#8E8E8E"
    id="stop7" />
-	<stop
+        <stop
    offset="1"
    style="stop-color:#B5B5B5"
    id="stop9" />
@@ -76,11 +76,11 @@
    y1="116.208"
    x2="229.61819"
    y2="164.46291">
-	<stop
+        <stop
    offset="0.0056"
    style="stop-color:#494748"
    id="stop14" />
-	<stop
+        <stop
    offset="1"
    style="stop-color:#000000"
    id="stop16" />
@@ -93,11 +93,11 @@
    y1="115.4395"
    x2="43.9897"
    y2="165.2314">
-	<stop
+        <stop
    offset="0.0056"
    style="stop-color:#494748"
    id="stop21" />
-	<stop
+        <stop
    offset="1"
    style="stop-color:#000000"
    id="stop23" />
@@ -110,11 +110,11 @@
    y1="115.7188"
    x2="311.2847"
    y2="165.2822">
-	<stop
+        <stop
    offset="0.0056"
    style="stop-color:#494748"
    id="stop28" />
-	<stop
+        <stop
    offset="1"
    style="stop-color:#000000"
    id="stop30" />
@@ -127,11 +127,11 @@
    y1="115.5791"
    x2="129.1987"
    y2="204.4863">
-	<stop
+        <stop
    offset="0.0056"
    style="stop-color:#494748"
    id="stop35" />
-	<stop
+        <stop
    offset="1"
    style="stop-color:#000000"
    id="stop37" />
diff --git a/doc/trivial_example.c b/doc/trivial_example.c
index 7a0fc56a..c65dfe01 100644
--- a/doc/trivial_example.c
+++ b/doc/trivial_example.c
@@ -88,7 +88,7 @@ int main(int argc, char **argv)
    fin = fopen(inFile, "r");
    if (fin==NULL)
    {
-      fprintf(stderr, "failed to open file: %s\n", strerror(errno));
+      fprintf(stderr, "failed to open input file: %s\n", strerror(errno));
       return EXIT_FAILURE;
    }
 
@@ -104,7 +104,7 @@ int main(int argc, char **argv)
    fout = fopen(outFile, "w");
    if (fout==NULL)
    {
-      fprintf(stderr, "failed to open file: %s\n", strerror(errno));
+      fprintf(stderr, "failed to open output file: %s\n", strerror(errno));
       return EXIT_FAILURE;
    }
 
@@ -138,7 +138,7 @@ int main(int argc, char **argv)
       frame_size = opus_decode(decoder, cbits, nbBytes, out, MAX_FRAME_SIZE, 0);
       if (frame_size<0)
       {
-         fprintf(stderr, "decoder failed: %s\n", opus_strerror(err));
+         fprintf(stderr, "decoder failed: %s\n", opus_strerror(frame_size));
          return EXIT_FAILURE;
       }