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-rwxr-xr-xthirdparties/iphone/include/libavutil/rational.h24
1 files changed, 17 insertions, 7 deletions
diff --git a/thirdparties/iphone/include/libavutil/rational.h b/thirdparties/iphone/include/libavutil/rational.h
index 417e29e..84ce7a0 100755
--- a/thirdparties/iphone/include/libavutil/rational.h
+++ b/thirdparties/iphone/include/libavutil/rational.h
@@ -40,7 +40,7 @@
/**
* rational number numerator/denominator
*/
-typedef struct AVRational{
+typedef struct AVRational {
int num; ///< numerator
int den; ///< denominator
} AVRational;
@@ -52,13 +52,22 @@ typedef struct AVRational{
* @return 0 if a==b, 1 if a>b, -1 if a<b, and INT_MIN if one of the
* values is of the form 0/0
*/
-static inline int av_cmp_q(AVRational a, AVRational b){
+static inline int av_cmp_q(AVRational a, AVRational b)
+{
const int64_t tmp= a.num * (int64_t)b.den - b.num * (int64_t)a.den;
- if(tmp) return ((tmp ^ a.den ^ b.den)>>63)|1;
- else if(b.den && a.den) return 0;
- else if(a.num && b.num) return (a.num>>31) - (b.num>>31);
- else return INT_MIN;
+ if(tmp) {
+ return ((tmp ^ a.den ^ b.den)>>63)|1;
+ }
+ else if(b.den && a.den) {
+ return 0;
+ }
+ else if(a.num && b.num) {
+ return (a.num>>31) - (b.num>>31);
+ }
+ else {
+ return INT_MIN;
+ }
}
/**
@@ -66,7 +75,8 @@ static inline int av_cmp_q(AVRational a, AVRational b){
* @param a rational to convert
* @return (double) a
*/
-static inline double av_q2d(AVRational a){
+static inline double av_q2d(AVRational a)
+{
return a.num / (double) a.den;
}
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