+ /* disabled due to the potential "S_KATE" namespace issue */
+ else if( !strcmp( tracks[i_track]->psz_codec, "S_KATE" ) )
+ {
+ int i, i_offset = 1, *i_size, i_extra, num_headers, size_so_far;
+ uint8_t *p_extra;
+
+ tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'k', 'a', 't', 'e' );
+ tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
+
+ /* Recover the number of headers to expect */
+ num_headers = tracks[i_track]->p_extra_data[0]+1;
+ msg_Dbg( &sys.demuxer, "kate in mkv detected: %d headers in %u bytes",
+ num_headers, tracks[i_track]->i_extra_data);
+
+ /* this won't overflow the stack as is can allocate only 1020 bytes max */
+ i_size = (int*)alloca(num_headers*sizeof(int));
+
+ /* Split the headers */
+ size_so_far = 0;
+ for( i = 0; i < num_headers-1; i++ )
+ {
+ i_size[i] = 0;
+ while( i_offset < tracks[i_track]->i_extra_data )
+ {
+ i_size[i] += tracks[i_track]->p_extra_data[i_offset];
+ if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
+ }
+ msg_Dbg( &sys.demuxer, "kate header %d is %d bytes", i, i_size[i]);
+ size_so_far += i_size[i];
+ }
+ i_size[num_headers-1] = tracks[i_track]->i_extra_data - (size_so_far+i_offset);
+ msg_Dbg( &sys.demuxer, "kate last header (%d) is %d bytes", num_headers-1, i_size[num_headers-1]);
+
+ tracks[i_track]->fmt.i_extra = 1 + num_headers * 2 + size_so_far + i_size[num_headers-1];
+ tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
+
+ p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra;
+ i_extra = 0;
+ *(p_extra++) = num_headers;
+ ++i_extra;
+ for( i = 0; i < num_headers; i++ )
+ {
+ *(p_extra++) = i_size[i] >> 8;
+ *(p_extra++) = i_size[i] & 0xFF;
+ memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra-1,
+ i_size[i] );
+ p_extra += i_size[i];
+ i_extra += i_size[i];
+ }
+ }