highperfocused/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Pure, const and malloc attributes to libavutil.

Browse Source 
Patch by Zuxy Meng: zuxy meng gmail com
Original thread:
[FFmpeg-devel] [PATCH] Pure, const and malloc attributes to libavutil
Date: 03/18/2008 6:09 AM

Originally committed as revision 12489 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Zuxy Meng
2008-03-18 15:27:15 +00:00
committed by Benoit Fouet
parent 38c669d853
commit 6544f48f03
13 changed files with 78 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
libavutil/integer.h
View File

@@ -36,26 +36,26 @@ typedef struct AVInteger{
uint16_t v[AV_INTEGER_SIZE];
} AVInteger;
AVInteger av_add_i(AVInteger a, AVInteger b);
AVInteger av_sub_i(AVInteger a, AVInteger b);
AVInteger av_add_i(AVInteger a, AVInteger b) av_const;
AVInteger av_sub_i(AVInteger a, AVInteger b) av_const;
/**
* returns the rounded down value of the logarithm of base 2 of the given AVInteger.
* this is simply the index of the most significant bit which is 1. Or 0 of all bits are 0
*/
int av_log2_i(AVInteger a);
AVInteger av_mul_i(AVInteger a, AVInteger b);
int av_log2_i(AVInteger a) av_const;
AVInteger av_mul_i(AVInteger a, AVInteger b) av_const;
/**
* returns 0 if a==b, 1 if a>b and -1 if a<b.
*/
int av_cmp_i(AVInteger a, AVInteger b);
int av_cmp_i(AVInteger a, AVInteger b) av_const;
/**
* bitwise shift.
* @param s the number of bits by which the value should be shifted right, may be negative for shifting left
*/
AVInteger av_shr_i(AVInteger a, int s);
AVInteger av_shr_i(AVInteger a, int s) av_const;
/**
* returns a % b.
@@ -66,18 +66,18 @@ AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b);
/**
* returns a/b.
*/
AVInteger av_div_i(AVInteger a, AVInteger b);
AVInteger av_div_i(AVInteger a, AVInteger b) av_const;
/**
* converts the given int64_t to an AVInteger.
*/
AVInteger av_int2i(int64_t a);
AVInteger av_int2i(int64_t a) av_const;
/**
* converts the given AVInteger to an int64_t.
* if the AVInteger is too large to fit into an int64_t,
* then only the least significant 64bit will be used
*/
int64_t av_i2int(AVInteger a);
int64_t av_i2int(AVInteger a) av_const;
#endif /* FFMPEG_INTEGER_H */