diff options
Diffstat (limited to 'gst/filter/gstbpwsinc.h')
| -rw-r--r-- | gst/filter/gstbpwsinc.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/gst/filter/gstbpwsinc.h b/gst/filter/gstbpwsinc.h index af5938d5..3bbb3e01 100644 --- a/gst/filter/gstbpwsinc.h +++ b/gst/filter/gstbpwsinc.h @@ -25,10 +25,6 @@ * chapter 16 * available at http://www.dspguide.com/ * - * FIXME: - * - this filter is totally unoptimized ! - * - we do not destroy the allocated memory for filters and residue - * - this might be improved upon with bytestream */ #ifndef __GST_BPWSINC_H__ @@ -54,6 +50,8 @@ G_BEGIN_DECLS typedef struct _GstBPWSinc GstBPWSinc; typedef struct _GstBPWSincClass GstBPWSincClass; +typedef void (*GstBPWSincProcessFunc) (GstBPWSinc *, guint8 *, guint8 *, guint); + /** * GstBPWSinc: * @@ -62,13 +60,15 @@ typedef struct _GstBPWSincClass GstBPWSincClass; struct _GstBPWSinc { GstAudioFilter element; - double frequency; - double lower_frequency, upper_frequency; - int wing_size; /* length of a "wing" of the filter; - actual length is 2 * wing_size + 1 */ + GstBPWSincProcessFunc process; + + gdouble frequency; + gdouble lower_frequency, upper_frequency; + gint kernel_length; /* length of the filter kernel */ - gfloat *residue; /* buffer for left-over samples from previous buffer */ - double *kernel; + gdouble *residue; /* buffer for left-over samples from previous buffer */ + gdouble *kernel; + gboolean have_kernel; }; struct _GstBPWSincClass { |