/**
* gst_fft_f64_new:
* @len: Length of the FFT in the time domain
* @inverse: %TRUE if the #GstFFTF64 instance should be used for the inverse FFT
*
* This returns a new #GstFFTF64 instance with the given parameters. It makes
* sense to keep one instance for several calls for speed reasons.
*
* @len must be even and to get the best performance a product of
* 2, 3 and 5. To get the next number with this characteristics use
* gst_fft_next_fast_length().
*
* Returns: a new #GstFFTF64 instance.
*/
GstFFTF64 *
gst_fft_f64_new (gint len, gboolean inverse)
{
GstFFTF64 *self;
gsize subsize = 0, memneeded;
g_return_val_if_fail (len > 0, NULL);
g_return_val_if_fail (len % 2 == 0, NULL);
kiss_fftr_f64_alloc (len, (inverse) ? 1 : 0, NULL, &subsize);
memneeded = ALIGN_STRUCT (sizeof (GstFFTF64)) + subsize;
self = (GstFFTF64 *) g_malloc0 (memneeded);
self->cfg = (((guint8 *) self) + ALIGN_STRUCT (sizeof (GstFFTF64)));
self->cfg = kiss_fftr_f64_alloc (len, (inverse) ? 1 : 0, self->cfg, &subsize);
g_assert (self->cfg);
self->inverse = inverse;
self->len = len;
return self;
}
/**
* gst_fft_f64_new:
* @len: Length of the FFT in the time domain
* @inverse: %TRUE if the #GstFFTF64 instance should be used for the inverse FFT
*
* This returns a new #GstFFTF64 instance with the given parameters. It makes
* sense to keep one instance for several calls for speed reasons.
*
* @len must be even and to get the best performance a product of
* 2, 3 and 5. To get the next number with this characteristics use
* gst_fft_next_fast_length().
*
* Returns: a new #GstFFTF64 instance.
*/
GstFFTF64 *
gst_fft_f64_new (gint len, gboolean inverse)
{
GstFFTF64 *self;
g_return_val_if_fail (len > 0, NULL);
g_return_val_if_fail (len % 2 == 0, NULL);
self = g_new (GstFFTF64, 1);
self->cfg = kiss_fftr_f64_alloc (len, (inverse) ? 1 : 0, NULL, NULL);
g_assert (self->cfg);
self->inverse = inverse;
self->len = len;
return self;
}
