Add raw VC-1 muxer to match demuxer.

This is admittedly kind of pointless since usually -f image2pipe
can be used for the purpose, but this is more user-friendly.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

libavformat/allformats.c

@@ -275,7 +275,7 @@ void av_register_all(void)
     REGISTER_DEMUXER (TTA,              tta);
     REGISTER_DEMUXER (TXD,              txd);
     REGISTER_DEMUXER (TTY,              tty);
-    REGISTER_DEMUXER (VC1,              vc1);
+    REGISTER_MUXDEMUX(VC1,              vc1);
     REGISTER_MUXDEMUX(VC1T,             vc1t);
     REGISTER_DEMUXER (VIVO,             vivo);
     REGISTER_DEMUXER (VMD,              vmd);

libavformat/rawenc.c

@@ -268,3 +268,15 @@ AVOutputFormat ff_truehd_muxer = {
     .flags             = AVFMT_NOTIMESTAMPS,
 };
 #endif
+
+#if CONFIG_VC1_MUXER
+AVOutputFormat ff_vc1_muxer = {
+    .name              = "vc1",
+    .long_name         = NULL_IF_CONFIG_SMALL("raw VC-1 video"),
+    .extensions        = "vc1",
+    .audio_codec       = AV_CODEC_ID_NONE,
+    .video_codec       = AV_CODEC_ID_VC1,
+    .write_packet      = ff_raw_write_packet,
+    .flags             = AVFMT_NOTIMESTAMPS,
+};
+#endif