[FFmpeg-cvslog] r15520 - trunk/libavcodec/apiexample.c

reimar subversion
Thu Oct 2 18:29:15 CEST 2008


Author: reimar
Date: Thu Oct  2 18:29:15 2008
New Revision: 15520

Log:
Use M_PI from libavutil/mathematics.h instead of defining PI ourselves
in libavcodec/apiexample.c.

Modified:
   trunk/libavcodec/apiexample.c

Modified: trunk/libavcodec/apiexample.c
==============================================================================
--- trunk/libavcodec/apiexample.c	(original)
+++ trunk/libavcodec/apiexample.c	Thu Oct  2 18:29:15 2008
@@ -30,15 +30,13 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-#include <math.h>
-
-#define PI 3.14159265358979323846
 
 #ifdef HAVE_AV_CONFIG_H
 #undef HAVE_AV_CONFIG_H
 #endif
 
 #include "avcodec.h"
+#include "libavutil/mathematics.h"
 
 #define INBUF_SIZE 4096
 
@@ -91,7 +89,7 @@ void audio_encode_example(const char *fi
 
     /* encode a single tone sound */
     t = 0;
-    tincr = 2 * PI * 440.0 / c->sample_rate;
+    tincr = 2 * M_PI * 440.0 / c->sample_rate;
     for(i=0;i<200;i++) {
         for(j=0;j<frame_size;j++) {
             samples[2*j] = (int)(sin(t) * 10000);




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