diff --git a/libavcodec/atrac.c b/libavcodec/atrac.c
index 9787c842ca..a31af92474 100644
--- a/libavcodec/atrac.c
+++ b/libavcodec/atrac.c
@@ -45,10 +45,6 @@ static const float qmf_48tap_half[24] = {
    -0.043596379,   -0.099384367,   0.13207909,    0.46424159
 };
 
-/**
- * Generate common tables
- */
-
 av_cold void ff_atrac_generate_tables(void)
 {
     int i;
@@ -67,20 +63,7 @@ av_cold void ff_atrac_generate_tables(void)
         }
 }
 
-
-/**
- * Quadrature mirror synthesis filter.
- *
- * @param inlo      lower part of spectrum
- * @param inhi      higher part of spectrum
- * @param nIn       size of spectrum buffer
- * @param pOut      out buffer
- * @param delayBuf  delayBuf buffer
- * @param temp      temp buffer
- */
-
-
-void ff_atrac_iqmf (float *inlo, float *inhi, unsigned int nIn, float *pOut, float *delayBuf, float *temp)
+void ff_atrac_iqmf(float *inlo, float *inhi, unsigned int nIn, float *pOut, float *delayBuf, float *temp)
 {
     int   i, j;
     float   *p1, *p3;
diff --git a/libavcodec/atrac.h b/libavcodec/atrac.h
index 18b4fddf40..164be65e0c 100644
--- a/libavcodec/atrac.h
+++ b/libavcodec/atrac.h
@@ -31,7 +31,21 @@
 
 extern float ff_atrac_sf_table[64];
 
+/**
+ * Generate common tables.
+ */
 void ff_atrac_generate_tables(void);
-void ff_atrac_iqmf (float *inlo, float *inhi, unsigned int nIn, float *pOut, float *delayBuf, float *temp);
+
+/**
+ * Quadrature mirror synthesis filter.
+ *
+ * @param inlo      lower part of spectrum
+ * @param inhi      higher part of spectrum
+ * @param nIn       size of spectrum buffer
+ * @param pOut      out buffer
+ * @param delayBuf  delayBuf buffer
+ * @param temp      temp buffer
+ */
+void ff_atrac_iqmf(float *inlo, float *inhi, unsigned int nIn, float *pOut, float *delayBuf, float *temp);
 
 #endif /* AVCODEC_ATRAC_H */