#define HDR_CMPMASK (HDR_SYNC|HDR_VERSION|HDR_LAYER|HDR_SAMPLERATE)
/* A stricter mask, for matching free format headers. */
-#define HDR_SAMEMASK (HDR_SYNC|HDR_VERSION|HDR_LAYER|HDR_BITRATE|HDR_SAMPLERATE|HDR_CHANNEL|HDR_CHANEX)
+#define HDR_SAMEMASK (HDR_SYNC|HDR_VERSION|HDR_LAYER|HDR_BITRATE|HDR_SAMPLERATE|HDR_CHANNEL)
/* Free format headers have zero bitrate value. */
#define HDR_FREE_FORMAT(head) (!(head & HDR_BITRATE))