avcodec/avcodec: Remove unnecessary forward declaration

[ffmpeg] / libavcodec / fft-internal.h

diff --git a/libavcodec/fft-internal.h b/libavcodec/fft-internal.h
index 0a8f7d05cf8dbe388c7b8ed8d7e96fd03f6847af..3bd5a1123d84efcc527c47a689f84eb246150c51 100644 (file)
--- a/libavcodec/fft-internal.h
+++ b/libavcodec/fft-internal.h
@@ -34,7 +34,7 @@
         (dim) = (are) * (bim) + (aim) * (bre);  \
     } while (0)
 
-#else
+#else /* FFT_FLOAT */
 
 #define SCALE_FLOAT(a, bits) lrint((a) * (double)(1 << (bits)))
 
@@ -52,33 +52,6 @@
 
 #define FIX15(a) av_clip(SCALE_FLOAT(a, 31), -2147483647, 2147483647)
 
-#else /* FFT_FIXED_32 */
-
-#include "fft.h"
-#include "mathops.h"
-
-void ff_mdct_calcw_c(FFTContext *s, FFTDouble *output, const FFTSample *input);
-
-#define FIX15(a) av_clip(SCALE_FLOAT(a, 15), -32767, 32767)
-
-#define sqrthalf ((int16_t)((1<<15)*M_SQRT1_2))
-
-#define BF(x, y, a, b) do {                     \
-        x = (a - b) >> 1;                       \
-        y = (a + b) >> 1;                       \
-    } while (0)
-
-#define CMULS(dre, dim, are, aim, bre, bim, sh) do {            \
-        (dre) = (MUL16(are, bre) - MUL16(aim, bim)) >> sh;      \
-        (dim) = (MUL16(are, bim) + MUL16(aim, bre)) >> sh;      \
-    } while (0)
-
-#define CMUL(dre, dim, are, aim, bre, bim)      \
-    CMULS(dre, dim, are, aim, bre, bim, 15)
-
-#define CMULL(dre, dim, are, aim, bre, bim)     \
-    CMULS(dre, dim, are, aim, bre, bim, 0)
-
 #endif /* FFT_FIXED_32 */
 
 #endif /* FFT_FLOAT */