Commit 82012619 authored by Måns Rullgård's avatar Måns Rullgård

adler32: add API documentation

Originally committed as revision 23907 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 1782460b
......@@ -24,6 +24,18 @@
#include <stdint.h>
#include "attributes.h"
/**
* Calculate the Adler32 checksum of a buffer.
*
* Passing the return value to a subsequent av_adler32_update() call
* allows the checksum of multiple buffers to be calculated as though
* they were concatenated.
*
* @param adler initial checksum value
* @param buf pointer to input buffer
* @param len size of input buffer
* @return updated checksum
*/
unsigned long av_adler32_update(unsigned long adler, const uint8_t *buf,
unsigned int len) av_pure;
......
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