FFmpeg
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FFT and MDCT tests. More...
#include "libavutil/cpu.h"
#include "libavutil/mathematics.h"
#include "libavutil/lfg.h"
#include "libavutil/log.h"
#include "libavutil/time.h"
#include "fft.h"
#include "dct.h"
#include "rdft.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "compat/getopt.c"
Go to the source code of this file.
Macros | |
#define | MUL16(a, b) ((a) * (b)) |
#define | CMAC(pre, pim, are, aim, bre, bim) |
#define | RANGE 1.0 |
#define | REF_SCALE(x, bits) (x) |
#define | FMT "%10.6f" |
Enumerations | |
enum | tf_transform { TRANSFORM_FFT, TRANSFORM_MDCT, TRANSFORM_RDFT, TRANSFORM_DCT } |
Functions | |
static void | fft_ref_init (int nbits, int inverse) |
static void | fft_ref (FFTComplex *tabr, FFTComplex *tab, int nbits) |
static void | imdct_ref (FFTSample *out, FFTSample *in, int nbits) |
static void | mdct_ref (FFTSample *output, FFTSample *input, int nbits) |
static void | idct_ref (FFTSample *output, FFTSample *input, int nbits) |
static void | dct_ref (FFTSample *output, FFTSample *input, int nbits) |
static FFTSample | frandom (AVLFG *prng) |
static int | check_diff (FFTSample *tab1, FFTSample *tab2, int n, double scale) |
static void | help (void) |
int | main (int argc, char **argv) |
Variables | |
struct { | |
float re | |
float im | |
} | exptab |
FFT and MDCT tests.
Definition in file fft-test.c.
#define CMAC | ( | pre, | |
pim, | |||
are, | |||
aim, | |||
bre, | |||
bim | |||
) |
#define RANGE 1.0 |
Definition at line 55 of file fft-test.c.
Referenced by check_diff(), and frandom().
#define REF_SCALE | ( | x, | |
bits | |||
) | (x) |
Definition at line 56 of file fft-test.c.
Referenced by fft_ref(), imdct_ref(), and mdct_ref().
#define FMT "%10.6f" |
Definition at line 57 of file fft-test.c.
Referenced by check_diff().
enum tf_transform |
Definition at line 232 of file fft-test.c.
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static |
Definition at line 72 of file fft-test.c.
Referenced by main().
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static |
Definition at line 91 of file fft-test.c.
Referenced by main().
Definition at line 120 of file fft-test.c.
Referenced by main().
Definition at line 138 of file fft-test.c.
Referenced by main().
Definition at line 156 of file fft-test.c.
Referenced by main().
Definition at line 172 of file fft-test.c.
Referenced by main().
Definition at line 191 of file fft-test.c.
Referenced by main().
Definition at line 196 of file fft-test.c.
Referenced by main().
Definition at line 218 of file fft-test.c.
Referenced by main().
int main | ( | int | argc, |
char ** | argv | ||
) |
Definition at line 243 of file fft-test.c.
float re |
Definition at line 69 of file fft-test.c.
Referenced by adjust_jnd(), decode_ac_coeffs(), decode_block(), decode_block_intra(), decode_block_progressive(), decode_block_refinement(), decode_dc_coeffs(), decode_spectrum_and_dequant(), decode_vlc_codeword(), dirac_get_se_golomb(), dv_decode_ac(), ff_imdct_half_c(), ff_mdct_calc_c(), ff_mdct_calcw_c(), ff_msmpeg4_decode_block(), fft(), fft4(), fft8(), get_bits(), get_bits_le(), get_level_prefix(), get_sbits(), get_se_golomb(), get_ue_golomb(), get_ue_golomb_31(), get_ur_golomb(), get_ur_golomb_jpegls(), get_vlc2(), get_xbits(), imc_imdct256(), mdec_decode_block_intra(), mpeg1_decode_block_inter(), mpeg1_decode_block_intra(), mpeg1_fast_decode_block_inter(), mpeg2_decode_block_intra(), mpeg2_decode_block_non_intra(), mpeg2_fast_decode_block_intra(), mpeg2_fast_decode_block_non_intra(), mpeg4_decode_block(), show_bits(), skip_bits(), svq3_get_se_golomb(), svq3_get_ue_golomb(), and webp_get_vlc().
float im |
Definition at line 69 of file fft-test.c.
Referenced by adjust_jnd(), ff_imdct_half_c(), ff_mdct_calc_c(), ff_mdct_calcw_c(), fft(), fft4(), fft8(), huf_build_dec_table(), huf_uncompress(), huf_unpack_enc_table(), and imc_imdct256().
struct { ... } * exptab |
Referenced by fft_ref(), fft_ref_init(), and main().