testprogs: Clean up #includes

[ffmpeg] / libavdevice / timefilter.c

diff --git a/libavdevice/timefilter.c b/libavdevice/timefilter.c
index 649d3c21cc86a5e528fc237fc24cbf6593889bf8..ee25d7a4acc703ebdb35a87568ee4bf761240cee 100644 (file)
--- a/libavdevice/timefilter.c
+++ b/libavdevice/timefilter.c
@@ -24,12 +24,12 @@
 
 #include "libavutil/common.h"
 #include "libavutil/mem.h"
-#include "config.h"
+
 #include "timefilter.h"
 
 struct TimeFilter {
-    /// Delay Locked Loop data. These variables refer to mathematical
-    /// concepts described in: http://www.kokkinizita.net/papers/usingdll.pdf
+    // Delay Locked Loop data. These variables refer to mathematical
+    // concepts described in: http://www.kokkinizita.net/papers/usingdll.pdf
     double cycle_time;
     double feedback2_factor;
     double feedback3_factor;
@@ -41,7 +41,11 @@ TimeFilter *ff_timefilter_new(double clock_period,
                               double feedback2_factor,
                               double feedback3_factor)
 {
-    TimeFilter *self       = av_mallocz(sizeof(TimeFilter));
+    TimeFilter *self = av_mallocz(sizeof(TimeFilter));
+
+    if (!self)
+        return NULL;
+
     self->clock_period     = clock_period;
     self->feedback2_factor = feedback2_factor;
     self->feedback3_factor = feedback3_factor;
@@ -62,15 +66,12 @@ double ff_timefilter_update(TimeFilter *self, double system_time, double period)
 {
     self->count++;
     if (self->count == 1) {
-        /// init loop
         self->cycle_time = system_time;
     } else {
         double loop_error;
         self->cycle_time += self->clock_period * period;
-        /// calculate loop error
         loop_error = system_time - self->cycle_time;
 
-        /// update loop
         self->cycle_time   += FFMAX(self->feedback2_factor, 1.0 / self->count) * loop_error;
         self->clock_period += self->feedback3_factor * loop_error / period;
     }
@@ -81,8 +82,6 @@ double ff_timefilter_update(TimeFilter *self, double system_time, double period)
 #include "libavutil/lfg.h"
 #define LFG_MAX ((1LL << 32) - 1)
 
-#undef printf
-
 int main(void)
 {
     AVLFG prng;
@@ -90,15 +89,8 @@ int main(void)
 #define SAMPLES 1000
     double ideal[SAMPLES];
     double samples[SAMPLES];
-#if 1
     for (n0 = 0; n0 < 40; n0 = 2 * n0 + 1) {
         for (n1 = 0; n1 < 10; n1 = 2 * n1 + 1) {
-#else
-    {
-        {
-            n0 = 7;
-            n1 = 1;
-#endif
             double best_error = 1000000000;
             double bestpar0   = 1;
             double bestpar1   = 0.001;
@@ -117,6 +109,10 @@ int main(void)
                     for (par1 = bestpar1 * 0.8; par1 <= bestpar1 * 1.21; par1 += bestpar1 * 0.05) {
                         double error   = 0;
                         TimeFilter *tf = ff_timefilter_new(1, par0, par1);
+                        if (!tf) {
+                            printf("Could not allocate memory for timefilter.\n");
+                            exit(1);
+                        }
                         for (i = 0; i < SAMPLES; i++) {
                             double filtered;
                             filtered = ff_timefilter_update(tf, samples[i], 1);