diff -Naur MPlayer-20030716/cfg-mplayer.h MPlayer-20030716-new/cfg-mplayer.h
--- MPlayer-20030716/cfg-mplayer.h	2003-07-01 21:23:08.000000000 +0200
+++ MPlayer-20030716-new/cfg-mplayer.h	2003-07-17 22:10:23.000000000 +0200
@@ -368,6 +368,7 @@
 
 	// dump some stream out instead of playing the file
 	// this really should be in mencoder instead of mplayer... -> TODO
+	{"dumpraw", &raw_dump, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 	{"dumpfile", &stream_dump_name, CONF_TYPE_STRING, 0, 0, 0, NULL},
 	{"dumpaudio", &stream_dump_type, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 	{"dumpvideo", &stream_dump_type, CONF_TYPE_FLAG, 0, 0, 2, NULL},
diff -Naur MPlayer-20030716/DOCS/en/mplayer.1 MPlayer-20030716-new/DOCS/en/mplayer.1
--- MPlayer-20030716/DOCS/en/mplayer.1	2003-07-08 01:02:25.000000000 +0200
+++ MPlayer-20030716-new/DOCS/en/mplayer.1	2003-07-17 22:10:08.000000000 +0200
@@ -703,6 +703,12 @@
 .TP
 .B \-dumpvideo (MPLAYER only)
 Dump raw compressed video stream to ./\:stream.dump (not very usable).
+When the source file is AVI/MOV/ASF MPlayer adds a 4 bytes header for every packet
+to the dump, use \-dumpraw to avoid this.
+.TP
+.B \-dumpraw (MPLAYER only)
+Dumps raw, headerless compressed stream to ./\:stream.dump (not very usable).
+Useful for MPEG1/2 video streams in AVI.
 .TP
 .B \-dvd\-device <path\ to\ device>
 Override default DVD device name /dev/\:dvd.
diff -Naur MPlayer-20030716/mplayer.c MPlayer-20030716-new/mplayer.c
--- MPlayer-20030716/mplayer.c	2003-07-13 17:38:33.000000000 +0200
+++ MPlayer-20030716-new/mplayer.c	2003-07-17 22:05:54.000000000 +0200
@@ -252,6 +252,7 @@
 #endif
 
 // dump:
+static int raw_dump=0;
 static char *stream_dump_name="stream.dump";
        int stream_dump_type=0;
 
@@ -1461,7 +1462,7 @@
     unsigned char* start;
     int in_size=ds_get_packet(ds,&start);
     if( (demuxer->file_format==DEMUXER_TYPE_AVI || demuxer->file_format==DEMUXER_TYPE_ASF || demuxer->file_format==DEMUXER_TYPE_MOV)
-	&& stream_dump_type==2) fwrite(&in_size,1,4,f);
+	&& stream_dump_type==2 && (raw_dump == 0)) fwrite(&in_size,1,4,f);
     if(in_size>0) fwrite(start,in_size,1,f);
   }
   fclose(f);