Add mpeg1_vdpau decoder.

Originally committed as revision 16640 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/allcodecs.c

@@ -110,6 +110,7 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC  (MPEG4, mpeg4);
     REGISTER_DECODER (MPEGVIDEO, mpegvideo);
     REGISTER_DECODER (MPEG_VDPAU, mpeg_vdpau);
+    REGISTER_DECODER (MPEG1_VDPAU, mpeg1_vdpau);
     REGISTER_ENCDEC  (MSMPEG4V1, msmpeg4v1);
     REGISTER_ENCDEC  (MSMPEG4V2, msmpeg4v2);
     REGISTER_ENCDEC  (MSMPEG4V3, msmpeg4v3);