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Code Issues Releases Activity

avfft: wrap lavu/tx instead of ff_fft

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Lynne 2022-11-10 11:23:38 +01:00
parent 4acd08be6c
commit dfcd4bbf51
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GPG Key ID: A2FEA5F03F034464
1 changed files with 30 additions and 8 deletions
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38
libavcodec/avfft.c
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@ -18,38 +18,60 @@
#include "libavutil/attributes.h"
#include "libavutil/mem.h"
#include "libavutil/tx.h"
#include "avfft.h"
#include "fft.h"
#include "rdft.h"
#include "dct.h"
typedef struct AVTXWrapper {
AVTXContext *ctx;
av_tx_fn fn;
AVTXContext *ctx2;
av_tx_fn fn2;
ptrdiff_t stride;
} AVTXWrapper;
/* FFT */
FFTContext *av_fft_init(int nbits, int inverse)
{
FFTContext *s = av_mallocz(sizeof(*s));
int ret;
float scale = 1.0f;
AVTXWrapper *s = av_malloc(sizeof(*s));
if (!s)
return NULL;
if (s && ff_fft_init(s, nbits, inverse))
av_freep(&s);
ret = av_tx_init(&s->ctx, &s->fn, AV_TX_FLOAT_FFT, inverse, 1 << nbits,
&scale, AV_TX_INPLACE);
if (ret < 0) {
av_free(s);
return NULL;
}
return s;
return (FFTContext *)s;
}
void av_fft_permute(FFTContext *s, FFTComplex *z)
{
s->fft_permute(s, z);
/* Empty */
}
void av_fft_calc(FFTContext *s, FFTComplex *z)
{
s->fft_calc(s, z);
AVTXWrapper *w = (AVTXWrapper *)s;
w->fn(w->ctx, z, (void *)z, sizeof(AVComplexFloat));
}
av_cold void av_fft_end(FFTContext *s)
{
if (s) {
ff_fft_end(s);
av_free(s);
AVTXWrapper *w = (AVTXWrapper *)s;
av_tx_uninit(&w->ctx);
av_tx_uninit(&w->ctx2);
av_free(w);
}
}