input: use video/MP2P MIME type for MPEG-PS (fixes #15203)

video/mpeg is underspecified, could be ES, PS or TS.
video/MP1S, video/MP2P and video/MP2T are more specific/better
specified (but should only be used internally or in SDPs).

modules/access/dshow/dshow.cpp

@@ -1928,7 +1928,7 @@ static int AccessControl( access_t *p_access, int i_query, va_list args )
         if( p_stream->i_fourcc == VLC_CODEC_DV )
             *type = strdup( "video/dv" );
         else if( p_stream->i_fourcc == VLC_CODEC_MPGV )
-            *type = strdup( "video/mpeg" );
+            *type = strdup( "video/MP2P" );
         else
             return VLC_EGENERIC;
         break;

modules/access/vcd/vcd.c

@@ -275,7 +275,7 @@ static int Control( access_t *p_access, int i_query, va_list args )
             break;
 
         case ACCESS_GET_CONTENT_TYPE:
-            *va_arg( args, char ** ) = strdup("video/mpeg");
+            *va_arg( args, char ** ) = strdup("video/MP2P");
             break;
 
         case ACCESS_SET_TITLE:

modules/access/vcdx/access.c

@@ -1082,7 +1082,7 @@ static int VCDControl( access_t *p_access, int i_query, va_list args )
         break;
 
     case ACCESS_GET_CONTENT_TYPE:
-        *va_arg( args, char ** ) = strdup( "video/mpeg" );
+        *va_arg( args, char ** ) = strdup( "video/MP2P" );
         break;
 
     case ACCESS_SET_TITLE:

modules/access/vdr.c

@@ -308,7 +308,7 @@ static int Control( access_t *p_access, int i_query, va_list args )
 
         case ACCESS_GET_CONTENT_TYPE:
             *va_arg( args, char ** ) =
-                strdup( p_sys->b_ts_format ? "video/MP2T" : "video/mpeg" );
+                strdup( p_sys->b_ts_format ? "video/MP2T" : "video/MP2P" );
             break;
 
         case ACCESS_SET_TITLE:

src/input/demux.c

@@ -59,9 +59,10 @@ static const char *demux_FromContentType(const char *mime)
         { "audio/aacp",          "m4a"     },
         { "audio/mpeg",          "mp3"     },
         { "application/rss+xml", "podcast" },
+        //{ "video/MP1S",          "es,mpgv" }, !b_force
+        { "video/MP2P",          "ps"      },
         { "video/MP2T",          "ts"      },
         { "video/dv",            "rawdv"   },
-        { "video/mpeg",          "ps"      },
         { "video/nsa",           "nsv"     },
         { "video/nsv",           "nsv"     },
     };