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-rw-r--r--libavutil/crc.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/libavutil/crc.h b/libavutil/crc.h
index 11c4fd09b0..4fdc4bbd2a 100644
--- a/libavutil/crc.h
+++ b/libavutil/crc.h
@@ -26,6 +26,13 @@
typedef uint32_t AVCRC;
+#define AV_CRC_8_ATM 0x07
+#define AV_CRC_16 0x8005
+#define AV_CRC_16_CCITT 0x1021
+#define AV_CRC_32_IEEE 0x04C11DB7L
+//! reversed bitorder version of AV_CRC_32_IEEE
+#define AV_CRC_32_IEEE_LE 0xEDB88320L
+
#if LIBAVUTIL_VERSION_INT < (50<<16)
extern AVCRC *av_crcEDB88320;
extern AVCRC *av_crc04C11DB7;