lavc: Use av_gettime_relative

Whenever av_gettime() is used to measure relative period of time,
av_gettime_relative() is prefered as it guarantee monotonic time
on supported platforms.

Signed-off-by: Martin Storsjö <martin@martin.st>

1 files changed, 2 insertions, 2 deletions

diff --git a/libavcodec/fft-test.c b/libavcodec/fft-test.c
index f62cf0d2bc..b7c83cf800 100644
--- a/libavcodec/fft-test.c
+++ b/libavcodec/fft-test.c
@@ -439,7 +439,7 @@ int main(int argc, char **argv)
         /* we measure during about 1 seconds */
         nb_its = 1;
         for (;;) {
-            time_start = av_gettime();
+            time_start = av_gettime_relative();
             for (it = 0; it < nb_its; it++) {
                 switch (transform) {
                 case TRANSFORM_MDCT:
@@ -464,7 +464,7 @@ int main(int argc, char **argv)
 #endif /* FFT_FLOAT */
                 }
             }
-            duration = av_gettime() - time_start;
+            duration = av_gettime_relative() - time_start;
             if (duration >= 1000000)
                 break;
             nb_its *= 2;