COSTABLE(65536);
COSTABLE(131072);
DECLARE_ALIGNED(32, FFTComplex, TX_NAME(ff_cos_53))[4];
+DECLARE_ALIGNED(32, FFTComplex, TX_NAME(ff_cos_7))[3];
+DECLARE_ALIGNED(32, FFTComplex, TX_NAME(ff_cos_9))[4];
static FFTSample * const cos_tabs[18] = {
NULL,
TX_NAME(ff_cos_53)[3] = (FFTComplex){ RESCALE(cos(2 * M_PI / 10)), RESCALE(sin(2 * M_PI / 10)) };
}
+static av_cold void ff_init_7_tabs(void)
+{
+ TX_NAME(ff_cos_7)[0] = (FFTComplex){ RESCALE(cos(2 * M_PI / 7)), RESCALE(sin(2 * M_PI / 7)) };
+ TX_NAME(ff_cos_7)[1] = (FFTComplex){ RESCALE(sin(2 * M_PI / 28)), RESCALE(cos(2 * M_PI / 28)) };
+ TX_NAME(ff_cos_7)[2] = (FFTComplex){ RESCALE(cos(2 * M_PI / 14)), RESCALE(sin(2 * M_PI / 14)) };
+}
+
+static av_cold void ff_init_9_tabs(void)
+{
+ TX_NAME(ff_cos_9)[0] = (FFTComplex){ RESCALE(cos(2 * M_PI / 3)), RESCALE( sin(2 * M_PI / 3)) };
+ TX_NAME(ff_cos_9)[1] = (FFTComplex){ RESCALE(cos(2 * M_PI / 9)), RESCALE( sin(2 * M_PI / 9)) };
+ TX_NAME(ff_cos_9)[2] = (FFTComplex){ RESCALE(cos(2 * M_PI / 36)), RESCALE( sin(2 * M_PI / 36)) };
+ TX_NAME(ff_cos_9)[3] = (FFTComplex){ TX_NAME(ff_cos_9)[1].re + TX_NAME(ff_cos_9)[2].im,
+ TX_NAME(ff_cos_9)[1].im - TX_NAME(ff_cos_9)[2].re };
+}
+
static CosTabsInitOnce cos_tabs_init_once[] = {
{ ff_init_53_tabs, AV_ONCE_INIT },
- { NULL },
- { NULL },
+ { ff_init_7_tabs, AV_ONCE_INIT },
+ { ff_init_9_tabs, AV_ONCE_INIT },
{ NULL },
{ init_cos_tabs_16, AV_ONCE_INIT },
{ init_cos_tabs_32, AV_ONCE_INIT },
DECL_FFT5(fft5_m2, 10, 1, 7, 13, 4)
DECL_FFT5(fft5_m3, 5, 11, 2, 8, 14)
+static av_always_inline void fft7(FFTComplex *out, FFTComplex *in,
+ ptrdiff_t stride)
+{
+ FFTComplex t[6], z[3];
+ const FFTComplex *tab = TX_NAME(ff_cos_7);
+#ifdef TX_INT32
+ int64_t mtmp[12];
+#endif
+
+ BF(t[1].re, t[0].re, in[1].re, in[6].re);
+ BF(t[1].im, t[0].im, in[1].im, in[6].im);
+ BF(t[3].re, t[2].re, in[2].re, in[5].re);
+ BF(t[3].im, t[2].im, in[2].im, in[5].im);
+ BF(t[5].re, t[4].re, in[3].re, in[4].re);
+ BF(t[5].im, t[4].im, in[3].im, in[4].im);
+
+ out[0*stride].re = in[0].re + t[0].re + t[2].re + t[4].re;
+ out[0*stride].im = in[0].im + t[0].im + t[2].im + t[4].im;
+
+#ifdef TX_INT32 /* NOTE: it's possible to do this with 16 mults but 72 adds */
+ mtmp[ 0] = ((int64_t)tab[0].re)*t[0].re - ((int64_t)tab[2].re)*t[4].re;
+ mtmp[ 1] = ((int64_t)tab[0].re)*t[4].re - ((int64_t)tab[1].re)*t[0].re;
+ mtmp[ 2] = ((int64_t)tab[0].re)*t[2].re - ((int64_t)tab[2].re)*t[0].re;
+ mtmp[ 3] = ((int64_t)tab[0].re)*t[0].im - ((int64_t)tab[1].re)*t[2].im;
+ mtmp[ 4] = ((int64_t)tab[0].re)*t[4].im - ((int64_t)tab[1].re)*t[0].im;
+ mtmp[ 5] = ((int64_t)tab[0].re)*t[2].im - ((int64_t)tab[2].re)*t[0].im;
+
+ mtmp[ 6] = ((int64_t)tab[2].im)*t[1].im + ((int64_t)tab[1].im)*t[5].im;
+ mtmp[ 7] = ((int64_t)tab[0].im)*t[5].im + ((int64_t)tab[2].im)*t[3].im;
+ mtmp[ 8] = ((int64_t)tab[2].im)*t[5].im + ((int64_t)tab[1].im)*t[3].im;
+ mtmp[ 9] = ((int64_t)tab[0].im)*t[1].re + ((int64_t)tab[1].im)*t[3].re;
+ mtmp[10] = ((int64_t)tab[2].im)*t[3].re + ((int64_t)tab[0].im)*t[5].re;
+ mtmp[11] = ((int64_t)tab[2].im)*t[1].re + ((int64_t)tab[1].im)*t[5].re;
+
+ z[0].re = (int32_t)(mtmp[ 0] - ((int64_t)tab[1].re)*t[2].re + 0x40000000 >> 31);
+ z[1].re = (int32_t)(mtmp[ 1] - ((int64_t)tab[2].re)*t[2].re + 0x40000000 >> 31);
+ z[2].re = (int32_t)(mtmp[ 2] - ((int64_t)tab[1].re)*t[4].re + 0x40000000 >> 31);
+ z[0].im = (int32_t)(mtmp[ 3] - ((int64_t)tab[2].re)*t[4].im + 0x40000000 >> 31);
+ z[1].im = (int32_t)(mtmp[ 4] - ((int64_t)tab[2].re)*t[2].im + 0x40000000 >> 31);
+ z[2].im = (int32_t)(mtmp[ 5] - ((int64_t)tab[1].re)*t[4].im + 0x40000000 >> 31);
+
+ t[0].re = (int32_t)(mtmp[ 6] - ((int64_t)tab[0].im)*t[3].im + 0x40000000 >> 31);
+ t[2].re = (int32_t)(mtmp[ 7] - ((int64_t)tab[1].im)*t[1].im + 0x40000000 >> 31);
+ t[4].re = (int32_t)(mtmp[ 8] + ((int64_t)tab[0].im)*t[1].im + 0x40000000 >> 31);
+ t[0].im = (int32_t)(mtmp[ 9] + ((int64_t)tab[2].im)*t[5].re + 0x40000000 >> 31);
+ t[2].im = (int32_t)(mtmp[10] - ((int64_t)tab[1].im)*t[1].re + 0x40000000 >> 31);
+ t[4].im = (int32_t)(mtmp[11] - ((int64_t)tab[0].im)*t[3].re + 0x40000000 >> 31);
+#else
+ z[0].re = tab[0].re*t[0].re - tab[2].re*t[4].re - tab[1].re*t[2].re;
+ z[1].re = tab[0].re*t[4].re - tab[1].re*t[0].re - tab[2].re*t[2].re;
+ z[2].re = tab[0].re*t[2].re - tab[2].re*t[0].re - tab[1].re*t[4].re;
+ z[0].im = tab[0].re*t[0].im - tab[1].re*t[2].im - tab[2].re*t[4].im;
+ z[1].im = tab[0].re*t[4].im - tab[1].re*t[0].im - tab[2].re*t[2].im;
+ z[2].im = tab[0].re*t[2].im - tab[2].re*t[0].im - tab[1].re*t[4].im;
+
+ /* It's possible to do t[4].re and t[0].im with 2 multiplies only by
+ * multiplying the sum of all with the average of the twiddles */
+
+ t[0].re = tab[2].im*t[1].im + tab[1].im*t[5].im - tab[0].im*t[3].im;
+ t[2].re = tab[0].im*t[5].im + tab[2].im*t[3].im - tab[1].im*t[1].im;
+ t[4].re = tab[2].im*t[5].im + tab[1].im*t[3].im + tab[0].im*t[1].im;
+ t[0].im = tab[0].im*t[1].re + tab[1].im*t[3].re + tab[2].im*t[5].re;
+ t[2].im = tab[2].im*t[3].re + tab[0].im*t[5].re - tab[1].im*t[1].re;
+ t[4].im = tab[2].im*t[1].re + tab[1].im*t[5].re - tab[0].im*t[3].re;
+#endif
+
+ BF(t[1].re, z[0].re, z[0].re, t[4].re);
+ BF(t[3].re, z[1].re, z[1].re, t[2].re);
+ BF(t[5].re, z[2].re, z[2].re, t[0].re);
+ BF(t[1].im, z[0].im, z[0].im, t[0].im);
+ BF(t[3].im, z[1].im, z[1].im, t[2].im);
+ BF(t[5].im, z[2].im, z[2].im, t[4].im);
+
+ out[1*stride].re = in[0].re + z[0].re;
+ out[1*stride].im = in[0].im + t[1].im;
+ out[2*stride].re = in[0].re + t[3].re;
+ out[2*stride].im = in[0].im + z[1].im;
+ out[3*stride].re = in[0].re + z[2].re;
+ out[3*stride].im = in[0].im + t[5].im;
+ out[4*stride].re = in[0].re + t[5].re;
+ out[4*stride].im = in[0].im + z[2].im;
+ out[5*stride].re = in[0].re + z[1].re;
+ out[5*stride].im = in[0].im + t[3].im;
+ out[6*stride].re = in[0].re + t[1].re;
+ out[6*stride].im = in[0].im + z[0].im;
+}
+
+static av_always_inline void fft9(FFTComplex *out, FFTComplex *in,
+ ptrdiff_t stride)
+{
+ const FFTComplex *tab = TX_NAME(ff_cos_9);
+ FFTComplex t[16], w[4], x[5], y[5], z[2];
+#ifdef TX_INT32
+ int64_t mtmp[12];
+#endif
+
+ BF(t[1].re, t[0].re, in[1].re, in[8].re);
+ BF(t[1].im, t[0].im, in[1].im, in[8].im);
+ BF(t[3].re, t[2].re, in[2].re, in[7].re);
+ BF(t[3].im, t[2].im, in[2].im, in[7].im);
+ BF(t[5].re, t[4].re, in[3].re, in[6].re);
+ BF(t[5].im, t[4].im, in[3].im, in[6].im);
+ BF(t[7].re, t[6].re, in[4].re, in[5].re);
+ BF(t[7].im, t[6].im, in[4].im, in[5].im);
+
+ w[0].re = t[0].re - t[6].re;
+ w[0].im = t[0].im - t[6].im;
+ w[1].re = t[2].re - t[6].re;
+ w[1].im = t[2].im - t[6].im;
+ w[2].re = t[1].re - t[7].re;
+ w[2].im = t[1].im - t[7].im;
+ w[3].re = t[3].re + t[7].re;
+ w[3].im = t[3].im + t[7].im;
+
+ z[0].re = in[0].re + t[4].re;
+ z[0].im = in[0].im + t[4].im;
+
+ z[1].re = t[0].re + t[2].re + t[6].re;
+ z[1].im = t[0].im + t[2].im + t[6].im;
+
+ out[0*stride].re = z[0].re + z[1].re;
+ out[0*stride].im = z[0].im + z[1].im;
+
+#ifdef TX_INT32
+ mtmp[0] = t[1].re - t[3].re + t[7].re;
+ mtmp[1] = t[1].im - t[3].im + t[7].im;
+
+ y[3].re = (int32_t)(((int64_t)tab[0].im)*mtmp[0] + 0x40000000 >> 31);
+ y[3].im = (int32_t)(((int64_t)tab[0].im)*mtmp[1] + 0x40000000 >> 31);
+
+ mtmp[0] = (int32_t)(((int64_t)tab[0].re)*z[1].re + 0x40000000 >> 31);
+ mtmp[1] = (int32_t)(((int64_t)tab[0].re)*z[1].im + 0x40000000 >> 31);
+ mtmp[2] = (int32_t)(((int64_t)tab[0].re)*t[4].re + 0x40000000 >> 31);
+ mtmp[3] = (int32_t)(((int64_t)tab[0].re)*t[4].im + 0x40000000 >> 31);
+
+ x[3].re = z[0].re + (int32_t)mtmp[0];
+ x[3].im = z[0].im + (int32_t)mtmp[1];
+ z[0].re = in[0].re + (int32_t)mtmp[2];
+ z[0].im = in[0].im + (int32_t)mtmp[3];
+
+ mtmp[0] = ((int64_t)tab[1].re)*w[0].re;
+ mtmp[1] = ((int64_t)tab[1].re)*w[0].im;
+ mtmp[2] = ((int64_t)tab[2].im)*w[0].re;
+ mtmp[3] = ((int64_t)tab[2].im)*w[0].im;
+ mtmp[4] = ((int64_t)tab[1].im)*w[2].re;
+ mtmp[5] = ((int64_t)tab[1].im)*w[2].im;
+ mtmp[6] = ((int64_t)tab[2].re)*w[2].re;
+ mtmp[7] = ((int64_t)tab[2].re)*w[2].im;
+
+ x[1].re = (int32_t)(mtmp[0] + ((int64_t)tab[2].im)*w[1].re + 0x40000000 >> 31);
+ x[1].im = (int32_t)(mtmp[1] + ((int64_t)tab[2].im)*w[1].im + 0x40000000 >> 31);
+ x[2].re = (int32_t)(mtmp[2] - ((int64_t)tab[3].re)*w[1].re + 0x40000000 >> 31);
+ x[2].im = (int32_t)(mtmp[3] - ((int64_t)tab[3].re)*w[1].im + 0x40000000 >> 31);
+ y[1].re = (int32_t)(mtmp[4] + ((int64_t)tab[2].re)*w[3].re + 0x40000000 >> 31);
+ y[1].im = (int32_t)(mtmp[5] + ((int64_t)tab[2].re)*w[3].im + 0x40000000 >> 31);
+ y[2].re = (int32_t)(mtmp[6] - ((int64_t)tab[3].im)*w[3].re + 0x40000000 >> 31);
+ y[2].im = (int32_t)(mtmp[7] - ((int64_t)tab[3].im)*w[3].im + 0x40000000 >> 31);
+
+ y[0].re = (int32_t)(((int64_t)tab[0].im)*t[5].re + 0x40000000 >> 31);
+ y[0].im = (int32_t)(((int64_t)tab[0].im)*t[5].im + 0x40000000 >> 31);
+
+#else
+ y[3].re = tab[0].im*(t[1].re - t[3].re + t[7].re);
+ y[3].im = tab[0].im*(t[1].im - t[3].im + t[7].im);
+
+ x[3].re = z[0].re + tab[0].re*z[1].re;
+ x[3].im = z[0].im + tab[0].re*z[1].im;
+ z[0].re = in[0].re + tab[0].re*t[4].re;
+ z[0].im = in[0].im + tab[0].re*t[4].im;
+
+ x[1].re = tab[1].re*w[0].re + tab[2].im*w[1].re;
+ x[1].im = tab[1].re*w[0].im + tab[2].im*w[1].im;
+ x[2].re = tab[2].im*w[0].re - tab[3].re*w[1].re;
+ x[2].im = tab[2].im*w[0].im - tab[3].re*w[1].im;
+ y[1].re = tab[1].im*w[2].re + tab[2].re*w[3].re;
+ y[1].im = tab[1].im*w[2].im + tab[2].re*w[3].im;
+ y[2].re = tab[2].re*w[2].re - tab[3].im*w[3].re;
+ y[2].im = tab[2].re*w[2].im - tab[3].im*w[3].im;
+
+ y[0].re = tab[0].im*t[5].re;
+ y[0].im = tab[0].im*t[5].im;
+#endif
+
+ x[4].re = x[1].re + x[2].re;
+ x[4].im = x[1].im + x[2].im;
+
+ y[4].re = y[1].re - y[2].re;
+ y[4].im = y[1].im - y[2].im;
+ x[1].re = z[0].re + x[1].re;
+ x[1].im = z[0].im + x[1].im;
+ y[1].re = y[0].re + y[1].re;
+ y[1].im = y[0].im + y[1].im;
+ x[2].re = z[0].re + x[2].re;
+ x[2].im = z[0].im + x[2].im;
+ y[2].re = y[2].re - y[0].re;
+ y[2].im = y[2].im - y[0].im;
+ x[4].re = z[0].re - x[4].re;
+ x[4].im = z[0].im - x[4].im;
+ y[4].re = y[0].re - y[4].re;
+ y[4].im = y[0].im - y[4].im;
+
+ out[1*stride] = (FFTComplex){ x[1].re + y[1].im, x[1].im - y[1].re };
+ out[2*stride] = (FFTComplex){ x[2].re + y[2].im, x[2].im - y[2].re };
+ out[3*stride] = (FFTComplex){ x[3].re + y[3].im, x[3].im - y[3].re };
+ out[4*stride] = (FFTComplex){ x[4].re + y[4].im, x[4].im - y[4].re };
+ out[5*stride] = (FFTComplex){ x[4].re - y[4].im, x[4].im + y[4].re };
+ out[6*stride] = (FFTComplex){ x[3].re - y[3].im, x[3].im + y[3].re };
+ out[7*stride] = (FFTComplex){ x[2].re - y[2].im, x[2].im + y[2].re };
+ out[8*stride] = (FFTComplex){ x[1].re - y[1].im, x[1].im + y[1].re };
+}
+
static av_always_inline void fft15(FFTComplex *out, FFTComplex *in,
ptrdiff_t stride)
{
for (int i = 0; i < m; i++) { \
for (int j = 0; j < N; j++) \
fft##N##in[j] = in[in_map[i*N + j]]; \
- fft##N(s->tmp + s->revtab[i], fft##N##in, m); \
+ fft##N(s->tmp + s->revtab_c[i], fft##N##in, m); \
} \
\
for (int i = 0; i < N; i++) \
DECL_COMP_FFT(3)
DECL_COMP_FFT(5)
+DECL_COMP_FFT(7)
+DECL_COMP_FFT(9)
DECL_COMP_FFT(15)
static void split_radix_fft(AVTXContext *s, void *_out, void *_in,
do {
tmp = out[src];
- dst = s->revtab[src];
+ dst = s->revtab_c[src];
do {
FFSWAP(FFTComplex, tmp, out[dst]);
- dst = s->revtab[dst];
+ dst = s->revtab_c[dst];
} while (dst != src); /* Can be > as well, but is less predictable */
out[dst] = tmp;
} while ((src = *inplace_idx++));
} else {
for (int i = 0; i < m; i++)
- out[i] = in[s->revtab[i]];
+ out[i] = in[s->revtab_c[i]];
}
fft_dispatch[mb](out);
FFTComplex tmp = { in2[-k*stride], in1[k*stride] }; \
CMUL3(fft##N##in[j], tmp, exp[k >> 1]); \
} \
- fft##N(s->tmp + s->revtab[i], fft##N##in, m); \
+ fft##N(s->tmp + s->revtab_c[i], fft##N##in, m); \
} \
\
for (int i = 0; i < N; i++) \
DECL_COMP_IMDCT(3)
DECL_COMP_IMDCT(5)
+DECL_COMP_IMDCT(7)
+DECL_COMP_IMDCT(9)
DECL_COMP_IMDCT(15)
#define DECL_COMP_MDCT(N) \
CMUL(fft##N##in[j].im, fft##N##in[j].re, tmp.re, tmp.im, \
exp[k >> 1].re, exp[k >> 1].im); \
} \
- fft##N(s->tmp + s->revtab[i], fft##N##in, m); \
+ fft##N(s->tmp + s->revtab_c[i], fft##N##in, m); \
} \
\
for (int i = 0; i < N; i++) \
DECL_COMP_MDCT(3)
DECL_COMP_MDCT(5)
+DECL_COMP_MDCT(7)
+DECL_COMP_MDCT(9)
DECL_COMP_MDCT(15)
static void monolithic_imdct(AVTXContext *s, void *_dst, void *_src,
for (int i = 0; i < m; i++) {
FFTComplex tmp = { in2[-2*i*stride], in1[2*i*stride] };
- CMUL3(z[s->revtab[i]], tmp, exp[i]);
+ CMUL3(z[s->revtab_c[i]], tmp, exp[i]);
}
fftp(z);
tmp.re = FOLD(-src[ len4 + k], -src[5*len4 - 1 - k]);
tmp.im = FOLD( src[-len4 + k], -src[1*len3 - 1 - k]);
}
- CMUL(z[s->revtab[i]].im, z[s->revtab[i]].re, tmp.re, tmp.im,
+ CMUL(z[s->revtab_c[i]].im, z[s->revtab_c[i]].re, tmp.re, tmp.im,
exp[i].re, exp[i].im);
}
}
}
+static void full_imdct_wrapper_fn(AVTXContext *s, void *_dst, void *_src,
+ ptrdiff_t stride)
+{
+ int len = s->m*s->n*4;
+ int len2 = len >> 1;
+ int len4 = len >> 2;
+ FFTSample *dst = _dst;
+
+ s->top_tx(s, dst + len4, _src, stride);
+
+ stride /= sizeof(*dst);
+
+ for (int i = 0; i < len4; i++) {
+ dst[ i*stride] = -dst[(len2 - i - 1)*stride];
+ dst[(len - i - 1)*stride] = dst[(len2 + i + 0)*stride];
+ }
+}
+
static int gen_mdct_exptab(AVTXContext *s, int len4, double scale)
{
const double theta = (scale < 0 ? len4 : 0) + 1.0/8.0;
SRC /= FACTOR; \
}
CHECK_FACTOR(n, 15, len)
+ CHECK_FACTOR(n, 9, len)
+ CHECK_FACTOR(n, 7, len)
CHECK_FACTOR(n, 5, len)
CHECK_FACTOR(n, 3, len)
#undef CHECK_FACTOR
if (is_mdct) {
s->scale = *((SCALE_TYPE *)scale);
*tx = inv ? naive_imdct : naive_mdct;
+ if (inv && (flags & AV_TX_FULL_IMDCT)) {
+ s->top_tx = *tx;
+ *tx = full_imdct_wrapper_fn;
+ }
}
return 0;
}
return err;
if (!(s->tmp = av_malloc(n*m*sizeof(*s->tmp))))
return AVERROR(ENOMEM);
- *tx = n == 3 ? compound_fft_3xM :
- n == 5 ? compound_fft_5xM :
- compound_fft_15xM;
- if (is_mdct)
- *tx = n == 3 ? inv ? compound_imdct_3xM : compound_mdct_3xM :
- n == 5 ? inv ? compound_imdct_5xM : compound_mdct_5xM :
- inv ? compound_imdct_15xM : compound_mdct_15xM;
+ if (!(m & (m - 1))) {
+ *tx = n == 3 ? compound_fft_3xM :
+ n == 5 ? compound_fft_5xM :
+ n == 7 ? compound_fft_7xM :
+ n == 9 ? compound_fft_9xM :
+ compound_fft_15xM;
+ if (is_mdct)
+ *tx = n == 3 ? inv ? compound_imdct_3xM : compound_mdct_3xM :
+ n == 5 ? inv ? compound_imdct_5xM : compound_mdct_5xM :
+ n == 7 ? inv ? compound_imdct_7xM : compound_mdct_7xM :
+ n == 9 ? inv ? compound_imdct_9xM : compound_mdct_9xM :
+ inv ? compound_imdct_15xM : compound_mdct_15xM;
+ }
} else { /* Direct transform case */
*tx = split_radix_fft;
if (is_mdct)
*tx = inv ? monolithic_imdct : monolithic_mdct;
}
- if (n != 1)
+ if (n == 3 || n == 5 || n == 15)
init_cos_tabs(0);
- if (m != 1) {
+ else if (n == 7)
+ init_cos_tabs(1);
+ else if (n == 9)
+ init_cos_tabs(2);
+
+ if (m != 1 && !(m & (m - 1))) {
if ((err = ff_tx_gen_ptwo_revtab(s, n == 1 && !is_mdct && !(flags & AV_TX_INPLACE))))
return err;
if (flags & AV_TX_INPLACE) {
if (is_mdct) /* In-place MDCTs are not supported yet */
return AVERROR(ENOSYS);
- if ((err = ff_tx_gen_ptwo_inplace_revtab_idx(s)))
+ if ((err = ff_tx_gen_ptwo_inplace_revtab_idx(s, s->revtab_c)))
return err;
}
for (int i = 4; i <= av_log2(m); i++)
init_cos_tabs(i);
}
- if (is_mdct)
+ if (is_mdct) {
+ if (inv && (flags & AV_TX_FULL_IMDCT)) {
+ s->top_tx = *tx;
+ *tx = full_imdct_wrapper_fn;
+ }
return gen_mdct_exptab(s, n*m, *((SCALE_TYPE *)scale));
+ }
return 0;
}
projects / ffmpeg / blobdiff