tired

[ffmpeg] / libavcodec / mdct.c

diff --git a/libavcodec/mdct.c b/libavcodec/mdct.c
index baab5d3152a1402c2f4456c3c7d522e233fdfdcc..a0f5671771b3446df1d76deedf5f73780a41f942 100644 (file)
--- a/libavcodec/mdct.c
+++ b/libavcodec/mdct.c
@@ -18,10 +18,15 @@
  */
 #include "dsputil.h"
 
-/*
- * init MDCT or IMDCT computation
+/**
+ * @file mdct.c
+ * MDCT/IMDCT transforms.
+ */
+
+/**
+ * init MDCT or IMDCT computation.
  */
-int mdct_init(MDCTContext *s, int nbits, int inverse)
+int ff_mdct_init(MDCTContext *s, int nbits, int inverse)
 {
     int n, n4, i;
     float alpha;
@@ -31,10 +36,10 @@ int mdct_init(MDCTContext *s, int nbits, int inverse)
     s->nbits = nbits;
     s->n = n;
     n4 = n >> 2;
-    s->tcos = malloc(n4 * sizeof(FFTSample));
+    s->tcos = av_malloc(n4 * sizeof(FFTSample));
     if (!s->tcos)
         goto fail;
-    s->tsin = malloc(n4 * sizeof(FFTSample));
+    s->tsin = av_malloc(n4 * sizeof(FFTSample));
     if (!s->tsin)
         goto fail;
 
@@ -69,8 +74,8 @@ int mdct_init(MDCTContext *s, int nbits, int inverse)
  * @param input N/2 samples
  * @param tmp N/2 samples
  */
-void imdct_calc(MDCTContext *s, FFTSample *output, 
-                const FFTSample *input, FFTSample *tmp)
+void ff_imdct_calc(MDCTContext *s, FFTSample *output, 
+                   const FFTSample *input, FFTSample *tmp)
 {
     int k, n8, n4, n2, n, j;
     const uint16_t *revtab = s->fft.revtab;
@@ -121,8 +126,8 @@ void imdct_calc(MDCTContext *s, FFTSample *output,
  * @param out N/2 samples
  * @param tmp temporary storage of N/2 samples
  */
-void mdct_calc(MDCTContext *s, FFTSample *out, 
-               const FFTSample *input, FFTSample *tmp)
+void ff_mdct_calc(MDCTContext *s, FFTSample *out, 
+                  const FFTSample *input, FFTSample *tmp)
 {
     int i, j, n, n8, n4, n2, n3;
     FFTSample re, im, re1, im1;
@@ -162,7 +167,7 @@ void mdct_calc(MDCTContext *s, FFTSample *out,
     }
 }
 
-void mdct_end(MDCTContext *s)
+void ff_mdct_end(MDCTContext *s)
 {
     av_freep(&s->tcos);
     av_freep(&s->tsin);