mpeg12dec: avoid signed overflow in bitrate calculation

[ffmpeg] / libavcodec / fft.h

diff --git a/libavcodec/fft.h b/libavcodec/fft.h
index 130bbca219e3ce36e7149760f6a7a0abfd93f886..57dc17f373cc424626cb614ef7cb639c1cc4e1b1 100644 (file)
--- a/libavcodec/fft.h
+++ b/libavcodec/fft.h
@@ -59,6 +59,17 @@ typedef struct FFTDComplex {
 
 /* FFT computation */
 
+enum fft_permutation_type {
+    FF_FFT_PERM_DEFAULT,
+    FF_FFT_PERM_SWAP_LSBS,
+    FF_FFT_PERM_AVX,
+};
+
+enum mdct_permutation_type {
+    FF_MDCT_PERM_NONE,
+    FF_MDCT_PERM_INTERLEAVE,
+};
+
 struct FFTContext {
     int nbits;
     int inverse;
@@ -82,13 +93,8 @@ struct FFTContext {
     void (*imdct_half)(struct FFTContext *s, FFTSample *output, const FFTSample *input);
     void (*mdct_calc)(struct FFTContext *s, FFTSample *output, const FFTSample *input);
     void (*mdct_calcw)(struct FFTContext *s, FFTDouble *output, const FFTSample *input);
-    int fft_permutation;
-#define FF_FFT_PERM_DEFAULT   0
-#define FF_FFT_PERM_SWAP_LSBS 1
-#define FF_FFT_PERM_AVX       2
-    int mdct_permutation;
-#define FF_MDCT_PERM_NONE       0
-#define FF_MDCT_PERM_INTERLEAVE 1
+    enum fft_permutation_type fft_permutation;
+    enum mdct_permutation_type mdct_permutation;
 };
 
 #if CONFIG_HARDCODED_TABLES
@@ -148,4 +154,11 @@ void ff_fft_end(FFTContext *s);
 int ff_mdct_init(FFTContext *s, int nbits, int inverse, double scale);
 void ff_mdct_end(FFTContext *s);
 
+void ff_mdct_init_aarch64(FFTContext *s);
+void ff_mdct_init_arm(FFTContext *s);
+void ff_mdct_init_ppc(FFTContext *s);
+void ff_mdct_init_x86(FFTContext *s);
+
+void ff_mdct_fixed_init_arm(FFTContext *s);
+
 #endif /* AVCODEC_FFT_H */