Index: stream/asf_streaming.c
===================================================================
--- stream/asf_streaming.c	(revisione 29092)
+++ stream/asf_streaming.c	(copia locale)
@@ -263,7 +263,7 @@
 	  asf_ctrl->audio_streams = realloc(asf_ctrl->audio_streams,
 						     asf_ctrl->n_audio*sizeof(int));
 	}
-	asf_ctrl->audio_streams[asf_ctrl->n_audio-1] = AV_RL16(&streamh->stream_no);
+	asf_ctrl->audio_streams[asf_ctrl->n_audio-1] = AV_RL16(&streamh->stream_no) & 0x7F;
 	break;
       case 0xBC19EFC0 : // video stream
 	if(asf_ctrl->video_streams == NULL){
@@ -274,7 +274,7 @@
 	  asf_ctrl->video_streams = realloc(asf_ctrl->video_streams,
 						     asf_ctrl->n_video*sizeof(int));
 	}
-	asf_ctrl->video_streams[asf_ctrl->n_video-1] = AV_RL16(&streamh->stream_no);
+	asf_ctrl->video_streams[asf_ctrl->n_video-1] = AV_RL16(&streamh->stream_no) & 0x7F;
 	break;
       }
   }
Index: libmpdemux/asfheader.c
===================================================================
--- libmpdemux/asfheader.c	(revisione 29092)
+++ libmpdemux/asfheader.c	(copia locale)
@@ -431,7 +431,7 @@
       ++audio_streams;
       if (!asf_init_audio_stream(demuxer, asf, sh_audio, streamh, &audio_pos, &buffer, hdr, hdr_len))
         goto len_err_out;
-      if (!get_ext_stream_properties(hdr, hdr_len, streamh->stream_no, asf, 0))
+      if (!get_ext_stream_properties(hdr, hdr_len, streamh->stream_no & 0x7F, asf, 0))
         goto len_err_out;
     }
   }
@@ -453,7 +453,7 @@
             asf_chunk_type(streamh->concealment));
     mp_msg(MSGT_HEADER, MSGL_V, "type: %d bytes,  stream: %d bytes  ID: %d\n",
             (int)streamh->type_size, (int)streamh->stream_size,
-            (int)streamh->stream_no);
+            (int)streamh->stream_no & 0x7F);
     mp_msg(MSGT_HEADER, MSGL_V, "unk1: %lX  unk2: %X\n",
             (unsigned long)streamh->unk1, (unsigned int)streamh->unk2);
     mp_msg(MSGT_HEADER, MSGL_V, "FILEPOS=0x%X\n", pos + start);
@@ -493,9 +493,9 @@
           asf->asf_is_dvr_ms=1;
           asf->dvr_last_vid_pts=0.0;
         } else asf->asf_is_dvr_ms=0;
-        if (!get_ext_stream_properties(hdr, hdr_len, streamh->stream_no, asf, 1))
+        if (!get_ext_stream_properties(hdr, hdr_len, streamh->stream_no & 0x7F, asf, 1))
             goto len_err_out;
-        if (get_meta(hdr, hdr_len, streamh->stream_no, &asp_ratio)) {
+        if (get_meta(hdr, hdr_len, streamh->stream_no & 0x7F, &asp_ratio)) {
           sh_video->aspect = asp_ratio * sh_video->bih->biWidth /
             sh_video->bih->biHeight;
         }