#define CHD_CODEC_NONE 0
#define CHD_CODEC_ZLIB CHD_MAKE_TAG('z','l','i','b')
+#define CHD_CODEC_LZMA CHD_MAKE_TAG('l','z','m','a')
+#define CHD_CODEC_HUFFMAN CHD_MAKE_TAG('h','u','f','f')
+#define CHD_CODEC_FLAC CHD_MAKE_TAG('f','l','a','c')
/* general codecs with CD frontend */
#define CHD_CODEC_CD_ZLIB CHD_MAKE_TAG('c','d','z','l')
#define CHD_CODEC_CD_LZMA CHD_MAKE_TAG('c','d','l','z')
/* chd_error chd_create_file(core_file *file, UINT64 logicalbytes, UINT32 hunkbytes, UINT32 compression, chd_file *parent); */
/* open an existing CHD file */
-CHD_EXPORT chd_error chd_open_file(core_file *file, int mode, chd_file *parent, chd_file **chd);
+CHD_EXPORT chd_error chd_open_core_file(core_file *file, int mode, chd_file *parent, chd_file **chd);
+CHD_EXPORT chd_error chd_open_file(FILE *file, int mode, chd_file *parent, chd_file **chd);
CHD_EXPORT chd_error chd_open(const char *filename, int mode, chd_file *parent, chd_file **chd);
/* precache underlying file */