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FFmpeg
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FFmpeg
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#include <fft.h>
Data Fields | |
| int | nbits |
| int | inverse |
| uint16_t * | revtab |
| FFTComplex * | tmp_buf |
| int | mdct_size |
| int | mdct_bits |
| FFTSample * | tcos |
| FFTSample * | tsin |
| void(* | fft_permute )(struct FFTContext *s, FFTComplex *z) |
| Do the permutation needed BEFORE calling fft_calc(). More... | |
| void(* | fft_calc )(struct FFTContext *s, FFTComplex *z) |
| Do a complex FFT with the parameters defined in ff_fft_init(). More... | |
| void(* | imdct_calc )(struct FFTContext *s, FFTSample *output, const FFTSample *input) |
| void(* | imdct_half )(struct FFTContext *s, FFTSample *output, const FFTSample *input) |
| void(* | mdct_calc )(struct FFTContext *s, FFTSample *output, const FFTSample *input) |
| void(* | mdct_calcw )(struct FFTContext *s, FFTDouble *output, const FFTSample *input) |
| enum fft_permutation_type | fft_permutation |
| enum mdct_permutation_type | mdct_permutation |
| uint32_t * | revtab32 |
| int FFTContext::nbits |
Definition at line 89 of file fft.h.
Referenced by ff_fft_fixed_init_arm(), ff_fft_init(), ff_fft_init_x86(), fft_calc_c(), fft_perm_avx(), and fft_permute_c().
| int FFTContext::inverse |
Definition at line 90 of file fft.h.
Referenced by ff_fft_fixed_init_arm(), ff_fft_init(), and fft_perm_avx().
| uint16_t* FFTContext::revtab |
Definition at line 91 of file fft.h.
Referenced by ff_fft_end(), ff_fft_init(), ff_imdct_half_c(), ff_mdct_calc_c(), ff_mdct_calcw_c(), fft_perm_avx(), and fft_permute_c().
| FFTComplex* FFTContext::tmp_buf |
Definition at line 92 of file fft.h.
Referenced by ff_fft_end(), ff_fft_init(), ff_mdct_calcw_c(), and fft_permute_c().
| int FFTContext::mdct_size |
Definition at line 93 of file fft.h.
Referenced by ff_mdct_init().
| int FFTContext::mdct_bits |
Definition at line 94 of file fft.h.
Referenced by ff_fft_init_ppc(), ff_imdct_calc_c(), ff_imdct_half_c(), ff_mdct_calc_c(), ff_mdct_calcw_c(), and ff_mdct_init().
| FFTSample* FFTContext::tcos |
Definition at line 96 of file fft.h.
Referenced by ff_imdct_half_c(), ff_mdct_calc_c(), ff_mdct_calcw_c(), ff_mdct_end(), and ff_mdct_init().
| FFTSample* FFTContext::tsin |
Definition at line 97 of file fft.h.
Referenced by ff_imdct_half_c(), ff_mdct_calc_c(), ff_mdct_calcw_c(), and ff_mdct_init().
| void(* FFTContext::fft_permute)(struct FFTContext *s, FFTComplex *z) |
Do the permutation needed BEFORE calling fft_calc().
Definition at line 101 of file fft.h.
Referenced by av_fft_permute(), ff_fft_init(), ff_fft_init_aarch64(), ff_fft_init_arm(), ff_fft_init_x86(), imc_imdct256(), main(), rdft_calc_c(), wtf_end_1024(), and wtf_end_512().
| void(* FFTContext::fft_calc)(struct FFTContext *s, FFTComplex *z) |
Do a complex FFT with the parameters defined in ff_fft_init().
The input data must be permuted before. No 1.0/sqrt(n) normalization is done.
Definition at line 106 of file fft.h.
Referenced by av_fft_calc(), ff_fft_fixed_init_arm(), ff_fft_init(), ff_fft_init_aarch64(), ff_fft_init_arm(), ff_fft_init_mips(), ff_fft_init_ppc(), ff_fft_init_x86(), ff_imdct_half_c(), ff_mdct_calc_c(), ff_mdct_calcw_c(), imc_imdct256(), main(), rdft_calc_c(), wtf_end_1024(), and wtf_end_512().
| void(* FFTContext::imdct_calc)(struct FFTContext *s, FFTSample *output, const FFTSample *input) |
Definition at line 107 of file fft.h.
Referenced by ff_atrac3p_imdct(), ff_fft_init(), ff_fft_init_aarch64(), ff_fft_init_arm(), ff_fft_init_mips(), ff_fft_init_ppc(), ff_fft_init_x86(), imlt(), imlt_gain(), main(), transform_channel(), and wma_decode_block().
| void(* FFTContext::imdct_half)(struct FFTContext *s, FFTSample *output, const FFTSample *input) |
Definition at line 108 of file fft.h.
Referenced by at1_imdct(), decode_subframe(), do_imdct(), ff_atrac3p_ipqf(), ff_fft_init(), ff_fft_init_aarch64(), ff_fft_init_arm(), ff_fft_init_mips(), ff_fft_init_ppc(), ff_fft_init_x86(), imdct_and_window(), imdct_and_windowing(), imdct_and_windowing_eld(), imdct_and_windowing_ld(), nelly_decode_block(), on2avc_reconstruct_channel(), on2avc_reconstruct_stereo(), sbr_qmf_analysis(), sbr_qmf_synthesis(), synth_filter_float(), synth_filter_float_64(), and vorbis_parse_audio_packet().
| void(* FFTContext::mdct_calc)(struct FFTContext *s, FFTSample *output, const FFTSample *input) |
Definition at line 109 of file fft.h.
Referenced by aac_encode_frame(), apply_mdct(), apply_window_and_mdct(), ff_fft_fixed_init_arm(), ff_fft_init(), ff_fft_init_aarch64(), ff_fft_init_arm(), main(), and windowing_and_mdct_ltp().
| void(* FFTContext::mdct_calcw)(struct FFTContext *s, FFTDouble *output, const FFTSample *input) |
Definition at line 110 of file fft.h.
Referenced by apply_mdct(), ff_fft_fixed_init_arm(), and ff_fft_init().
| enum fft_permutation_type FFTContext::fft_permutation |
Definition at line 111 of file fft.h.
Referenced by ff_fft_fixed_init_arm(), ff_fft_init(), and ff_fft_init_x86().
| enum mdct_permutation_type FFTContext::mdct_permutation |
Definition at line 112 of file fft.h.
Referenced by ff_fft_fixed_init_arm(), ff_fft_init_aarch64(), ff_fft_init_arm(), and ff_mdct_init().
| uint32_t* FFTContext::revtab32 |
Definition at line 113 of file fft.h.
Referenced by ff_fft_end(), ff_fft_init(), and fft_permute_c().
1.8.6