diff options
author | Sven Gothel <[email protected]> | 2013-08-25 09:06:11 +0200 |
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committer | Sven Gothel <[email protected]> | 2013-08-25 09:06:11 +0200 |
commit | 640dbb2e1780a6074b932a455252bb410e4393de (patch) | |
tree | 720da42ece2392cf734a1e48fe053e7bf558cf20 /make/stub_includes/libav/libavcodec/avfft.h | |
parent | d0aee05031cd52ad4f6753a8859a21e77845bc35 (diff) |
libav/ffmpeg: Move current lavc53.lavf53.lavu51 (version 8) header files to their sub-folders; Add lavc54.lavf54.lavu52 (version 9) header files
lavc54.lavf54.lavu52:
- Begin testing w/ version 9
- Header files are binary incompatible (data types)
Default is still lavc53.lavf53.lavu51
Diffstat (limited to 'make/stub_includes/libav/libavcodec/avfft.h')
-rw-r--r-- | make/stub_includes/libav/libavcodec/avfft.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/make/stub_includes/libav/libavcodec/avfft.h b/make/stub_includes/libav/libavcodec/avfft.h deleted file mode 100644 index 91fe2f429..000000000 --- a/make/stub_includes/libav/libavcodec/avfft.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * This file is part of Libav. - * - * Libav is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * Libav is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVCODEC_AVFFT_H -#define AVCODEC_AVFFT_H - -typedef float FFTSample; - -typedef struct FFTComplex { - FFTSample re, im; -} FFTComplex; - -typedef struct FFTContext FFTContext; - -/** - * Set up a complex FFT. - * @param nbits log2 of the length of the input array - * @param inverse if 0 perform the forward transform, if 1 perform the inverse - */ -FFTContext *av_fft_init(int nbits, int inverse); - -/** - * Do the permutation needed BEFORE calling ff_fft_calc(). - */ -void av_fft_permute(FFTContext *s, FFTComplex *z); - -/** - * Do a complex FFT with the parameters defined in av_fft_init(). The - * input data must be permuted before. No 1.0/sqrt(n) normalization is done. - */ -void av_fft_calc(FFTContext *s, FFTComplex *z); - -void av_fft_end(FFTContext *s); - -FFTContext *av_mdct_init(int nbits, int inverse, double scale); -void av_imdct_calc(FFTContext *s, FFTSample *output, const FFTSample *input); -void av_imdct_half(FFTContext *s, FFTSample *output, const FFTSample *input); -void av_mdct_calc(FFTContext *s, FFTSample *output, const FFTSample *input); -void av_mdct_end(FFTContext *s); - -/* Real Discrete Fourier Transform */ - -enum RDFTransformType { - DFT_R2C, - IDFT_C2R, - IDFT_R2C, - DFT_C2R, -}; - -typedef struct RDFTContext RDFTContext; - -/** - * Set up a real FFT. - * @param nbits log2 of the length of the input array - * @param trans the type of transform - */ -RDFTContext *av_rdft_init(int nbits, enum RDFTransformType trans); -void av_rdft_calc(RDFTContext *s, FFTSample *data); -void av_rdft_end(RDFTContext *s); - -/* Discrete Cosine Transform */ - -typedef struct DCTContext DCTContext; - -enum DCTTransformType { - DCT_II = 0, - DCT_III, - DCT_I, - DST_I, -}; - -/** - * Set up DCT. - * @param nbits size of the input array: - * (1 << nbits) for DCT-II, DCT-III and DST-I - * (1 << nbits) + 1 for DCT-I - * - * @note the first element of the input of DST-I is ignored - */ -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 */ |