hevc: change the stride of the MC buffer to be in bytes instead of elements

[ffmpeg] / libavcodec / iirfilter.c

diff --git a/libavcodec/iirfilter.c b/libavcodec/iirfilter.c
index a942068aee52383c495c4c5be2f0370841816551..40a543da4c5b6b5e552357b3265eec68340f9bc3 100644 (file)
--- a/libavcodec/iirfilter.c
+++ b/libavcodec/iirfilter.c
@@ -26,6 +26,8 @@
 
 #include "iirfilter.h"
 #include <math.h>
+#include "libavutil/attributes.h"
+#include "libavutil/common.h"
 
 /**
  * IIR filter global parameters
@@ -47,10 +49,11 @@ typedef struct FFIIRFilterState{
 /// maximum supported filter order
 #define MAXORDER 30
 
-static int butterworth_init_coeffs(void *avc, struct FFIIRFilterCoeffs *c,
-                                   enum IIRFilterMode filt_mode,
-                                   int order, float cutoff_ratio,
-                                   float stopband)
+static av_cold int butterworth_init_coeffs(void *avc,
+                                           struct FFIIRFilterCoeffs *c,
+                                           enum IIRFilterMode filt_mode,
+                                           int order, float cutoff_ratio,
+                                           float stopband)
 {
     int i, j;
     double wa;
@@ -112,9 +115,9 @@ static int butterworth_init_coeffs(void *avc, struct FFIIRFilterCoeffs *c,
     return 0;
 }
 
-static int biquad_init_coeffs(void *avc, struct FFIIRFilterCoeffs *c,
-                              enum IIRFilterMode filt_mode, int order,
-                              float cutoff_ratio, float stopband)
+static av_cold int biquad_init_coeffs(void *avc, struct FFIIRFilterCoeffs *c,
+                                      enum IIRFilterMode filt_mode, int order,
+                                      float cutoff_ratio, float stopband)
 {
     double cos_w0, sin_w0;
     double a0, x0, x1;
@@ -311,6 +314,8 @@ av_cold void ff_iir_filter_free_coeffs(struct FFIIRFilterCoeffs *coeffs)
 }
 
 #ifdef TEST
+#include <stdio.h>
+
 #define FILT_ORDER 4
 #define SIZE 1024
 int main(void)
@@ -320,7 +325,6 @@ int main(void)
     float cutoff_coeff = 0.4;
     int16_t x[SIZE], y[SIZE];
     int i;
-    FILE* fd;
 
     fcoeffs = ff_iir_filter_init_coeffs(NULL, FF_FILTER_TYPE_BUTTERWORTH,
                                         FF_FILTER_MODE_LOWPASS, FILT_ORDER,
@@ -333,13 +337,8 @@ int main(void)
 
     ff_iir_filter(fcoeffs, fstate, SIZE, x, 1, y, 1);
 
-    fd = fopen("in.bin", "w");
-    fwrite(x, sizeof(x[0]), SIZE, fd);
-    fclose(fd);
-
-    fd = fopen("out.bin", "w");
-    fwrite(y, sizeof(y[0]), SIZE, fd);
-    fclose(fd);
+    for (i = 0; i < SIZE; i++)
+        printf("%6d %6d\n", x[i], y[i]);
 
     ff_iir_filter_free_coeffs(fcoeffs);
     ff_iir_filter_free_state(fstate);