C unpacker extract_info: interpret M-26 frame cntr correctly

diff --git a/normalmode/c_standalone/extract_info.c b/normalmode/c_standalone/extract_info.c
index dc1aabe0cb8a4e0877d629f5d36ea21f604202c1..74cab5a30b2ccd896c6e21dca08e03528700fd17 100644 (file)
--- a/normalmode/c_standalone/extract_info.c
+++ b/normalmode/c_standalone/extract_info.c
@@ -31,6 +31,7 @@ int read_frame(unsigned long *pos, FILE *ptr_file)
        else
                header_found = 0;
        fread(&frame_counter, sizeof(uint32_t), 1, ptr_file);
+       frame_counter = ((frame_counter & 0xffff)<<16) | ((frame_counter & 0xffff0000)>>16);
        frame_counter = ntohl(frame_counter);
        fread(&senlen, sizeof(uint16_t), 1, ptr_file);
        senlen = ntohs(senlen);