From e1d7b101fdea41fb23413d1d6d582f6f9812ea75 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Thu, 20 Oct 2005 21:01:57 +0000
Subject: [PATCH] theora

---
 stepmania/autoconf/m4/video.m4 | 25 +++++++++++++++++++++++++
 stepmania/src/Makefile.am      |  4 ++++
 2 files changed, 29 insertions(+)

diff --git a/stepmania/autoconf/m4/video.m4 b/stepmania/autoconf/m4/video.m4
index 9ab11bf6dd..152c15ea16 100644
--- a/stepmania/autoconf/m4/video.m4
+++ b/stepmania/autoconf/m4/video.m4
@@ -34,4 +34,29 @@ if test "$have_libavformat" = "yes" -a "$have_libavcodec" = "yes"; then
 fi
 AM_CONDITIONAL(HAVE_FFMPEG, test "$have_ffmpeg" = "yes")
 
+
+
+AC_ARG_WITH(theora, AC_HELP_STRING([--without-theora], [Disable Theora support]), with_theora=$enableval, with_theora=yes)
+
+have_vorbis=no
+if test "$with_theora" = "yes"; then
+	AC_CHECK_LIB(ogg, ogg_stream_init, have_libogg=yes, have_libogg=no)
+	AC_CHECK_LIB(theora, theora_decode_init, have_libtheora=yes, have_libtheora=no, [-logg])
+	if test "$have_libtheora" = "yes" -a "$have_libogg" = "yes" -a "$have_ffmpeg" = "yes"; then
+		have_theora=yes
+		LIBS="$LIBS -ltheora -logg"
+		AC_DEFINE(HAVE_THEORA, 1, [Theora support available])
+	else
+		echo Not all theora libraries found.
+
+		# Special note for unintuitive requirement (for color space conversion).
+		if test "$have_libtheora" = "yes" -a "$have_libogg" = "yes"; then
+			echo Ogg Theora support requires ffmpeg.
+		fi
+	fi
+
+fi
+
+AM_CONDITIONAL(HAVE_THEORA, test "$have_theora" = "yes" )
+
 ])
diff --git a/stepmania/src/Makefile.am b/stepmania/src/Makefile.am
index 6b7b028b35..21e1194dcd 100644
--- a/stepmania/src/Makefile.am
+++ b/stepmania/src/Makefile.am
@@ -169,6 +169,10 @@ MovieTexture = arch/MovieTexture/MovieTexture.cpp arch/MovieTexture/MovieTexture
 		arch/MovieTexture/MovieTexture_Generic.cpp arch/MovieTexture/MovieTexture_Generic.h \
 		arch/MovieTexture/MovieTexture_Null.cpp arch/MovieTexture/MovieTexture_Null.h
 
+if HAVE_THEORA
+MovieTexture += arch/MovieTexture/MovieTexture_Theora.cpp arch/MovieTexture/MovieTexture_Theora.h
+endif
+
 if HAVE_FFMPEG
 MovieTexture += arch/MovieTexture/MovieTexture_FFMpeg.cpp arch/MovieTexture/MovieTexture_FFMpeg.h
 endif