RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

fft_*() renamed into ff_fft_*() patch by (Gildas Bazin <gbazin at altern dot org>) 

Originally committed as revision 2882 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Gildas Bazin 2004-03-13 21:43:24 +00:00 committed by Michael Niedermayer
parent ebcd2f9689
commit 68951ecf0c
7 changed files with 29 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
libavcodec/dsputil.h
View File

@ -508,17 +508,17 @@ typedef struct FFTContext {
void (*fft_calc)(struct FFTContext *s, FFTComplex *z);
} FFTContext;
int fft_init(FFTContext *s, int nbits, int inverse);
void fft_permute(FFTContext *s, FFTComplex *z);
void fft_calc_c(FFTContext *s, FFTComplex *z);
void fft_calc_sse(FFTContext *s, FFTComplex *z);
void fft_calc_altivec(FFTContext *s, FFTComplex *z);
int ff_fft_init(FFTContext *s, int nbits, int inverse);
void ff_fft_permute(FFTContext *s, FFTComplex *z);
void ff_fft_calc_c(FFTContext *s, FFTComplex *z);
void ff_fft_calc_sse(FFTContext *s, FFTComplex *z);
void ff_fft_calc_altivec(FFTContext *s, FFTComplex *z);
static inline void fft_calc(FFTContext *s, FFTComplex *z)
static inline void ff_fft_calc(FFTContext *s, FFTComplex *z)
{
s->fft_calc(s, z);
}
void fft_end(FFTContext *s);
void ff_fft_end(FFTContext *s);
/* MDCT computation */

10
libavcodec/fft-test.c
View File

@ -198,7 +198,7 @@ int main(int argc, char **argv)
printf("IFFT");
else
printf("FFT");
fft_init(s, fft_nbits, do_inverse);
ff_fft_init(s, fft_nbits, do_inverse);
fft_ref_init(fft_nbits, do_inverse);
}
printf(" %d test\n", fft_size);
@ -227,8 +227,8 @@ int main(int argc, char **argv)
}
} else {
memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
fft_permute(s, tab);
fft_calc(s, tab);
ff_fft_permute(s, tab);
ff_fft_calc(s, tab);
fft_ref(tab_ref, tab1, fft_nbits);
check_diff((float *)tab_ref, (float *)tab, fft_size * 2);
@ -254,7 +254,7 @@ int main(int argc, char **argv)
}
} else {
memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
fft_calc(s, tab);
ff_fft_calc(s, tab);
}
}
duration = gettime() - time_start;
@ -271,7 +271,7 @@ int main(int argc, char **argv)
if (do_mdct) {
ff_mdct_end(m);
} else {
fft_end(s);
ff_fft_end(s);
}
return 0;
}

18
libavcodec/fft.c
View File

@ -28,7 +28,7 @@
* The size of the FFT is 2^nbits. If inverse is TRUE, inverse FFT is
* done
*/
int fft_init(FFTContext *s, int nbits, int inverse)
int ff_fft_init(FFTContext *s, int nbits, int inverse)
{
int i, j, m, n;
float alpha, c1, s1, s2;
@ -53,7 +53,7 @@ int fft_init(FFTContext *s, int nbits, int inverse)
s->exptab[i].re = c1;
s->exptab[i].im = s1;
}
s->fft_calc = fft_calc_c;
s->fft_calc = ff_fft_calc_c;
s->exptab1 = NULL;
/* compute constant table for HAVE_SSE version */
@ -94,9 +94,9 @@ int fft_init(FFTContext *s, int nbits, int inverse)
} while (nblocks != 0);
av_freep(&s->exptab);
#if defined(HAVE_MMX)
s->fft_calc = fft_calc_sse;
s->fft_calc = ff_fft_calc_sse;
#else
s->fft_calc = fft_calc_altivec;
s->fft_calc = ff_fft_calc_altivec;
#endif
}
}
@ -142,11 +142,11 @@ int fft_init(FFTContext *s, int nbits, int inverse)
}
/**
* Do a complex FFT with the parameters defined in fft_init(). The
* Do a complex FFT with the parameters defined in ff_fft_init(). The
* input data must be permuted before with s->revtab table. No
* 1.0/sqrt(n) normalization is done.
*/
void fft_calc_c(FFTContext *s, FFTComplex *z)
void ff_fft_calc_c(FFTContext *s, FFTComplex *z)
{
int ln = s->nbits;
int j, np, np2;
@ -221,9 +221,9 @@ void fft_calc_c(FFTContext *s, FFTComplex *z)
}
/**
* Do the permutation needed BEFORE calling fft_calc()
* Do the permutation needed BEFORE calling ff_fft_calc()
*/
void fft_permute(FFTContext *s, FFTComplex *z)
void ff_fft_permute(FFTContext *s, FFTComplex *z)
{
int j, k, np;
FFTComplex tmp;
@ -241,7 +241,7 @@ void fft_permute(FFTContext *s, FFTComplex *z)
}
}
void fft_end(FFTContext *s)
void ff_fft_end(FFTContext *s)
{
av_freep(&s->revtab);
av_freep(&s->exptab);

2
libavcodec/i386/fft_sse.c
View File

@ -42,7 +42,7 @@ static void print_v4sf(const char *str, __m128 a)
#endif
/* XXX: handle reverse case */
void fft_calc_sse(FFTContext *s, FFTComplex *z)
void ff_fft_calc_sse(FFTContext *s, FFTComplex *z)
{
int ln = s->nbits;
int j, np, np2;

8
libavcodec/mdct.c
View File

@ -48,7 +48,7 @@ int ff_mdct_init(MDCTContext *s, int nbits, int inverse)
s->tcos[i] = -cos(alpha);
s->tsin[i] = -sin(alpha);
}
if (fft_init(&s->fft, s->nbits - 2, inverse) < 0)
if (ff_fft_init(&s->fft, s->nbits - 2, inverse) < 0)
goto fail;
return 0;
fail:
@ -98,7 +98,7 @@ void ff_imdct_calc(MDCTContext *s, FFTSample *output,
in1 += 2;
in2 -= 2;
}
fft_calc(&s->fft, z);
ff_fft_calc(&s->fft, z);
/* post rotation + reordering */
/* XXX: optimize */
@ -155,7 +155,7 @@ void ff_mdct_calc(MDCTContext *s, FFTSample *out,
CMUL(x[j].re, x[j].im, re, im, -tcos[n8 + i], tsin[n8 + i]);
}
fft_calc(&s->fft, x);
ff_fft_calc(&s->fft, x);
/* post rotation */
for(i=0;i<n4;i++) {
@ -171,5 +171,5 @@ void ff_mdct_end(MDCTContext *s)
{
av_freep(&s->tcos);
av_freep(&s->tsin);
fft_end(&s->fft);
ff_fft_end(&s->fft);
}

2
libavcodec/ppc/dsputil_ppc.c
View File

@ -46,7 +46,7 @@ int mm_support(void)
unsigned long long perfdata[POWERPC_NUM_PMC_ENABLED][powerpc_perf_total][powerpc_data_total];
/* list below must match enum in dsputil_ppc.h */
static unsigned char* perfname[] = {
"fft_calc_altivec",
"ff_fft_calc_altivec",
"gmc1_altivec",
"dct_unquantize_h263_altivec",
"fdct_altivec",

4
libavcodec/ppc/fft_altivec.c
View File

@ -50,7 +50,7 @@
/**
* Do a complex FFT with the parameters defined in fft_init(). The
* Do a complex FFT with the parameters defined in ff_fft_init(). The
* input data must be permuted before with s->revtab table. No
* 1.0/sqrt(n) normalization is done.
* AltiVec-enabled
@ -60,7 +60,7 @@
* that successive MUL + ADD/SUB have been merged into
* fused multiply-add ('vec_madd' in altivec)
*/
void fft_calc_altivec(FFTContext *s, FFTComplex *z)
void ff_fft_calc_altivec(FFTContext *s, FFTComplex *z)
{
POWERPC_PERF_DECLARE(altivec_fft_num, s->nbits >= 6);
#ifdef ALTIVEC_USE_REFERENCE_C_CODE