summaryrefslogtreecommitdiff
path: root/libavutil/crc.h
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2006-03-06 14:13:01 +0000
committerMichael Niedermayer <michaelni@gmx.at>2006-03-06 14:13:01 +0000
commit43a80ccee52bd478cbc5b575f9b4424de352138d (patch)
treec347d1bbf1900f7129a83165df6388796b70d2f0 /libavutil/crc.h
parent56419683b2e9f670d4ee231a92e13958f8134f37 (diff)
generic crc calculation code
Originally committed as revision 5115 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/crc.h')
-rw-r--r--libavutil/crc.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/libavutil/crc.h b/libavutil/crc.h
new file mode 100644
index 0000000000..c5b2170174
--- /dev/null
+++ b/libavutil/crc.h
@@ -0,0 +1,15 @@
+#ifndef CRC_H
+#define CRC_H
+
+typedef uint32_t AVCRC;
+
+extern AVCRC *av_crcEDB88320;
+extern AVCRC *av_crc04C11DB7;
+extern AVCRC *av_crc8005 ;
+extern AVCRC *av_crc07 ;
+
+int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size);
+uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length);
+
+#endif /* CRC_H */
+