diff options
author | Lynne <dev@lynne.ee> | 2023-07-24 23:55:55 +0200 |
---|---|---|
committer | Lynne <dev@lynne.ee> | 2023-09-01 23:59:14 +0200 |
commit | 139e54911c8356729e5cfad4283da9abb90b53e0 (patch) | |
tree | 18f9ac42545a7bb5fad114dc68e1edccc95584a9 /libavcodec/avfft.h | |
parent | d40672e661037c770f50e45c8c09f523ed9a77d0 (diff) |
lavc/avfft: deprecate the API
This deprecates the currently unused API.
Diffstat (limited to 'libavcodec/avfft.h')
-rw-r--r-- | libavcodec/avfft.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libavcodec/avfft.h b/libavcodec/avfft.h index 0c0f9b8d8d..e3a0da1eb9 100644 --- a/libavcodec/avfft.h +++ b/libavcodec/avfft.h @@ -19,6 +19,10 @@ #ifndef AVCODEC_AVFFT_H #define AVCODEC_AVFFT_H +#include "libavutil/attributes.h" +#include "version_major.h" +#if FF_API_AVFFT + /** * @file * @ingroup lavc_fft @@ -44,26 +48,42 @@ 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 + * @deprecated use av_tx_init from libavutil/tx.h with a type of AV_TX_FLOAT_FFT */ +attribute_deprecated FFTContext *av_fft_init(int nbits, int inverse); /** * Do the permutation needed BEFORE calling ff_fft_calc(). + * @deprecated without replacement */ +attribute_deprecated 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. + * @deprecated use the av_tx_fn value returned by av_tx_init, which also does permutation */ +attribute_deprecated void av_fft_calc(FFTContext *s, FFTComplex *z); +attribute_deprecated void av_fft_end(FFTContext *s); +/** + * @deprecated use av_tx_init from libavutil/tx.h with a type of AV_TX_FLOAT_MDCT, + * with a flag of AV_TX_FULL_IMDCT for a replacement to av_imdct_calc. + */ +attribute_deprecated FFTContext *av_mdct_init(int nbits, int inverse, double scale); +attribute_deprecated void av_imdct_calc(FFTContext *s, FFTSample *output, const FFTSample *input); +attribute_deprecated void av_imdct_half(FFTContext *s, FFTSample *output, const FFTSample *input); +attribute_deprecated void av_mdct_calc(FFTContext *s, FFTSample *output, const FFTSample *input); +attribute_deprecated void av_mdct_end(FFTContext *s); /* Real Discrete Fourier Transform */ @@ -81,9 +101,14 @@ 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 + * + * @deprecated use av_tx_init from libavutil/tx.h with a type of AV_TX_FLOAT_RDFT */ +attribute_deprecated RDFTContext *av_rdft_init(int nbits, enum RDFTransformType trans); +attribute_deprecated void av_rdft_calc(RDFTContext *s, FFTSample *data); +attribute_deprecated void av_rdft_end(RDFTContext *s); /* Discrete Cosine Transform */ @@ -106,13 +131,19 @@ enum DCTTransformType { * @param type the type of transform * * @note the first element of the input of DST-I is ignored + * + * @deprecated use av_tx_init from libavutil/tx.h with an appropriate type of AV_TX_FLOAT_DCT */ +attribute_deprecated DCTContext *av_dct_init(int nbits, enum DCTTransformType type); +attribute_deprecated void av_dct_calc(DCTContext *s, FFTSample *data); +attribute_deprecated void av_dct_end (DCTContext *s); /** * @} */ +#endif /* FF_API_AVFFT */ #endif /* AVCODEC_AVFFT_H */ |