differentiate mp1v from mp2v and default mpgv to mp2v

Fixes #5864
Signed-off-by: Ilkka Ollakka <ileoo@videolan.org>

modules/codec/avcodec/fourcc.c

@@ -47,8 +47,9 @@ static const struct
      * Video Codecs
      */
 
+    { VLC_CODEC_MP2V, AV_CODEC_ID_MPEG2VIDEO, VIDEO_ES }, /* prefer MPEG2 over MPEG1 */
     { VLC_CODEC_MPGV, AV_CODEC_ID_MPEG2VIDEO, VIDEO_ES }, /* prefer MPEG2 over MPEG1 */
-    { VLC_CODEC_MPGV, AV_CODEC_ID_MPEG1VIDEO, VIDEO_ES },
+    { VLC_CODEC_MP1V, AV_CODEC_ID_MPEG1VIDEO, VIDEO_ES },
     /* AV_CODEC_ID_MPEG2VIDEO_XVMC */
     { VLC_CODEC_H261, AV_CODEC_ID_H261, VIDEO_ES },
     { VLC_CODEC_H263, AV_CODEC_ID_H263, VIDEO_ES },

src/misc/fourcc.c

@@ -67,11 +67,13 @@ typedef struct
 /* */
 static const staticentry_t p_list_video[] = {
 
-    B(VLC_CODEC_MPGV, "MPEG-1/2 Video"),
-        A("mpgv"),
+    B(VLC_CODEC_MP1V, "MPEG-1 Video"),
         A("mp1v"),
-        A("mpeg"),
         A("mpg1"),
+
+    B(VLC_CODEC_MP2V, "MPEG-2 Video"),
+        A("mpgv"),
+        A("mpeg"),
         A("mp2v"),
         A("MPEG"),
         A("mpg2"),