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-rw-r--r--libavcodec/avfft.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/libavcodec/avfft.h b/libavcodec/avfft.h
index 91fe2f4297..b89618258e 100644
--- a/libavcodec/avfft.h
+++ b/libavcodec/avfft.h
@@ -19,6 +19,19 @@
#ifndef AVCODEC_AVFFT_H
#define AVCODEC_AVFFT_H
+/**
+ * @file
+ * @ingroup lavc_fft
+ * FFT functions
+ */
+
+/**
+ * @defgroup lavc_fft FFT functions
+ * @ingroup lavc_misc
+ *
+ * @{
+ */
+
typedef float FFTSample;
typedef struct FFTComplex {
@@ -96,4 +109,8 @@ DCTContext *av_dct_init(int nbits, enum DCTTransformType type);
void av_dct_calc(DCTContext *s, FFTSample *data);
void av_dct_end (DCTContext *s);
+/**
+ * @}
+ */
+
#endif /* AVCODEC_AVFFT_H */