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FFTContext * | av_fft_init (int nbits, int inverse) |
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void | av_fft_permute (FFTContext *s, FFTComplex *z) |
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void | av_fft_calc (FFTContext *s, FFTComplex *z) |
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void | av_fft_end (FFTContext *s) |
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FFTContext * | av_mdct_init (int nbits, int inverse, double scale) |
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void | av_imdct_calc (FFTContext *s, FFTSample *output, const FFTSample *input) |
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void | av_imdct_half (FFTContext *s, FFTSample *output, const FFTSample *input) |
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void | av_mdct_calc (FFTContext *s, FFTSample *output, const FFTSample *input) |
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void | av_mdct_end (FFTContext *s) |
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RDFTContext * | av_rdft_init (int nbits, enum RDFTransformType trans) |
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void | av_rdft_calc (RDFTContext *s, FFTSample *data) |
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void | av_rdft_end (RDFTContext *s) |
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DCTContext * | av_dct_init (int nbits, enum DCTTransformType type) |
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void | av_dct_calc (DCTContext *s, FFTSample *data) |
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void | av_dct_end (DCTContext *s) |
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