#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')
+#define CHD_CODEC_ZSTD CHD_MAKE_TAG('z', 's', 't', 'd')
/* 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')
#define CHD_CODEC_CD_FLAC CHD_MAKE_TAG('c','d','f','l')
+#define CHD_CODEC_CD_ZSTD CHD_MAKE_TAG('c','d','z','s')
/* A/V codec configuration parameters */
#define AV_CODEC_COMPRESS_CONFIG 1