encoder: mpeg2: use fabsf() instead of abs()

The member value in frame_rate_tab is float, the result of the abs() function
should be float too. But abs() only manages integers.

This patch replaces abs() with fabsf() to handle correctly the possible floats
values.

https://bugzilla.gnome.org/show_bug.cgi?id=747312

diff --git a/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c b/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c
index 4536365..9747ae1 100644 (file)
--- a/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c
+++ b/gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c
@@ -22,6 +22,7 @@
  */
 
 #include "sysdeps.h"
+#include <math.h>
 #include <va/va.h>
 #include <va/va_enc_mpeg2.h>
 #include <gst/base/gstbitwriter.h>
@@ -887,9 +888,9 @@ find_frame_rate_code (const VAEncSequenceParameterBufferMPEG2 * seq_param)
 
   for (i = 0; i < sizeof (frame_rate_tab) / sizeof (frame_rate_tab[0]); i++) {
 
-    if (abs (1000 * frame_rate_tab[i].value - 1000 * frame_rate_value) < delta) {
+    if (fabsf (1000 * frame_rate_tab[i].value - 1000 * frame_rate_value) < delta) {
       code = frame_rate_tab[i].code;
-      delta = abs (1000 * frame_rate_tab[i].value - 1000 * frame_rate_value);
+      delta = fabsf (1000 * frame_rate_tab[i].value - 1000 * frame_rate_value);
     }
   }
   return code;