--- src/arch/MovieTexture/MovieTexture_FFMpeg.cpp	2006-09-01 05:27:27.000000000 +0200
+++ src/arch/MovieTexture/MovieTexture_FFMpeg.cpp	2006-09-23 18:20:10.000000000 +0200
@@ -166,8 +166,13 @@ 
 
 	int GetFrame( RageSurface *pOut, float fTargetTime );
 
+#if (LIBAVCODEC_BUILD >= 4754)
+	int GetWidth() const { return m_pStream->codec->width; }
+	int GetHeight() const { return m_pStream->codec->height; }
+#else
 	int GetWidth() const { return m_pStream->codec.width; }
 	int GetHeight() const { return m_pStream->codec.height; }
+#endif
 
 	RageSurface *CreateCompatibleSurface( int iTextureWidth, int iTextureHeight, bool bPreferHighColor );
 
@@ -317,7 +322,11 @@ 
 		if( m_bGetNextTimestamp )
 		{
 			if (m_Packet.dts != int64_t(AV_NOPTS_VALUE))
+#if (LIBAVCODEC_BUILD >= 4754)
+				m_fPTS = (float)m_Packet.dts * m_pStream->time_base.num / m_pStream->time_base.den;
+#else
 				m_fPTS = (float)m_Packet.dts / AV_TIME_BASE;
+#endif
 			else
 				m_fPTS = -1;
 			m_bGetNextTimestamp = false;
@@ -333,7 +342,11 @@ 
 		bool bSkipThisFrame = 
 			fTargetTime != -1 &&
 			GetTimestamp() + GetFrameDuration() <= fTargetTime &&
+#if (LIBAVCODEC_BUILD >= 4754)
+			(m_pStream->codec->frame_number % 2) == 0;
+#else
 			(m_pStream->codec.frame_number % 2) == 0;
+#endif
 
 		int iGotFrame;
 		CHECKPOINT;
@@ -341,7 +354,11 @@ 
 		 * to give it a buffer to read from since it tries to read anyway. */
 		static uint8_t dummy[FF_INPUT_BUFFER_PADDING_SIZE] = { 0 };
 		int len = avcodec::avcodec_decode_video(
+#if (LIBAVCODEC_BUILD >= 4754)
+				m_pStream->codec, 
+#else
 				&m_pStream->codec, 
+#endif
 				&m_Frame, &iGotFrame,
 				m_Packet.size? m_Packet.data:dummy, m_Packet.size );
 		CHECKPOINT;
@@ -375,7 +392,11 @@ 
 		}
 
 		/* Length of this frame: */
+#if (LIBAVCODEC_BUILD >= 4754)
+		m_fLastFrameDelay = (float)m_pStream->codec->time_base.num / m_pStream->codec->time_base.den;
+#else
 		m_fLastFrameDelay = (float)m_pStream->codec.frame_rate_base / m_pStream->codec.frame_rate;
+#endif
 		m_fLastFrameDelay += m_Frame.repeat_pict * (m_fLastFrameDelay * 0.5f);
 
 		++m_iFrameNumber;
@@ -415,9 +436,15 @@ 
 	pict.data[0] = (unsigned char *) pSurface->pixels;
 	pict.linesize[0] = pSurface->pitch;
 
+#if (LIBAVCODEC_BUILD >= 4754)
+	avcodec::img_convert( &pict, m_AVTexfmt,
+			(avcodec::AVPicture *) &m_Frame, m_pStream->codec->pix_fmt, 
+			m_pStream->codec->width, m_pStream->codec->height );
+#else
 	avcodec::img_convert( &pict, m_AVTexfmt,
 			(avcodec::AVPicture *) &m_Frame, m_pStream->codec.pix_fmt, 
 			m_pStream->codec.width, m_pStream->codec.height );
+#endif
 }
 
 static avcodec::AVStream *FindVideoStream( avcodec::AVFormatContext *m_fctx )
@@ -426,8 +453,13 @@ 
 	for( int stream = 0; stream < m_fctx->nb_streams; ++stream )
 	{
 		avcodec::AVStream *enc = m_fctx->streams[stream];
+#if (LIBAVCODEC_BUILD >= 4754)
+		if( enc->codec->codec_type == avcodec::CODEC_TYPE_VIDEO )
+			return enc;
+#else
 		if( enc->codec.codec_type == avcodec::CODEC_TYPE_VIDEO )
 			return enc;
+#endif
 	}
 	return NULL;
 }
@@ -550,6 +582,17 @@ 
 	if ( stream == NULL )
 		return ssprintf( "AVCodec (%s): Couldn't find any video streams", sFile.c_str() );
 
+#if (LIBAVCODEC_BUILD >= 4754)
+	if( stream->codec->codec_id == avcodec::CODEC_ID_NONE )
+		return ssprintf( "AVCodec (%s): Unsupported codec %08x", sFile.c_str(), stream->codec->codec_tag );
+
+	avcodec::AVCodec *codec = avcodec::avcodec_find_decoder( stream->codec->codec_id );
+	if( codec == NULL )
+		return ssprintf( "AVCodec (%s): Couldn't find decoder %i", sFile.c_str(), stream->codec->codec_id );
+
+	LOG->Trace("Opening codec %s", codec->name );
+	ret = avcodec::avcodec_open( stream->codec, codec );
+#else
 	if( stream->codec.codec_id == avcodec::CODEC_ID_NONE )
 		return ssprintf( "AVCodec (%s): Unsupported codec %08x", sFile.c_str(), stream->codec.codec_tag );
 
@@ -559,12 +602,18 @@ 
 
 	LOG->Trace("Opening codec %s", codec->name );
 	ret = avcodec::avcodec_open( &stream->codec, codec );
+#endif
 	if ( ret < 0 )
 		return ssprintf( averr_ssprintf(ret, "AVCodec (%s): Couldn't open codec \"%s\"", sFile.c_str(), codec->name) );
 	m_pStream = stream;
 
+#if (LIBAVCODEC_BUILD >= 4754)
+	LOG->Trace( "Bitrate: %i", m_pStream->codec->bit_rate );
+	LOG->Trace( "Codec pixel format: %s", avcodec::avcodec_get_pix_fmt_name(m_pStream->codec->pix_fmt) );
+#else
 	LOG->Trace( "Bitrate: %i", m_pStream->codec.bit_rate );
 	LOG->Trace( "Codec pixel format: %s", avcodec::avcodec_get_pix_fmt_name(m_pStream->codec.pix_fmt) );
+#endif
 
 	return RString();
 }
@@ -573,7 +622,11 @@ 
 {
 	if( m_pStream )
 	{
+#if (LIBAVCODEC_BUILD >= 4754)
+		avcodec::avcodec_close( m_pStream->codec );
+#else
 		avcodec::avcodec_close( &m_pStream->codec );
+#endif
 		m_pStream = NULL;
 	}
 
--- autoconf/m4/video.m4	2006-09-01 05:27:23.000000000 +0200
+++ autoconf/m4/video.m4	2006-09-23 18:23:05.000000000 +0200
@@ -19,44 +19,6 @@ 
 AC_SEARCH_LIBS(avcodec_init, [avcodec], have_libavcodec=yes,  have_libavcodec=no)
 AC_SEARCH_LIBS(guess_format, [avformat], have_libavformat=yes,  have_libavformat=no)
 fi
-
-if test "$have_libavcodec" = "yes"; then
-  AC_MSG_CHECKING([for matching libavcodec headers and libs])
-  AC_TRY_RUN([
-	#include <ffmpeg/avcodec.h>
-	int main()
-	{
-		return ( LIBAVCODEC_VERSION_INT == avcodec_version() &&
-			 LIBAVCODEC_BUILD == avcodec_build() ) ? 0:1;
-	}
-	],,have_libavcodec=no,)
-  AC_MSG_RESULT($have_libavcodec)
-  if test "$have_libavcodec" = "yes"; then
-    AC_MSG_CHECKING([for libavcodec = 0.4.9-pre1])
-    AC_TRY_RUN([
-	#include <ffmpeg/avcodec.h>
-	int main()
-	{
-		return ( LIBAVCODEC_VERSION_INT == 0x000409 &&
-			 LIBAVCODEC_BUILD == 4718 ) ? 0:1;
-	}
-	],,have_libavcodec=no,)
-    AC_MSG_RESULT($have_libavcodec)
-  fi
-fi
-
-if test "$have_libavformat" = "yes"; then
-  AC_MSG_CHECKING([for libavformat = 0.4.9-pre1])
-  AC_TRY_RUN([
-	#include <ffmpeg/avformat.h>
-	int main()
-	{
-		return ( LIBAVFORMAT_VERSION_INT == 0x000409 &&
-			 LIBAVFORMAT_BUILD == 4616 )? 0:1;
-	}
-	],,have_libavformat=no,)
-  AC_MSG_RESULT($have_libavformat)
-fi
 fi
 
 have_ffmpeg=no