diff options
Diffstat (limited to 'gst/audiofx/audiofxbasefirfilter.h')
| -rw-r--r-- | gst/audiofx/audiofxbasefirfilter.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/gst/audiofx/audiofxbasefirfilter.h b/gst/audiofx/audiofxbasefirfilter.h index aa03b1c7d..fd3c3bd4a 100644 --- a/gst/audiofx/audiofxbasefirfilter.h +++ b/gst/audiofx/audiofxbasefirfilter.h @@ -27,6 +27,7 @@ #include <gst/gst.h> #include <gst/audio/gstaudiofilter.h> +#include <gst/fft/gstfftf64.h> G_BEGIN_DECLS @@ -54,17 +55,26 @@ typedef guint (*GstAudioFXBaseFIRFilterProcessFunc) (GstAudioFXBaseFIRFilter *, struct _GstAudioFXBaseFIRFilter { GstAudioFilter element; - /* < private > */ - GstAudioFXBaseFIRFilterProcessFunc process; - + /* properties */ gdouble *kernel; /* filter kernel -- time domain */ guint kernel_length; /* length of the filter kernel -- time domain */ + guint64 latency; /* pre-latency of the filter kernel */ + + /* < private > */ + GstAudioFXBaseFIRFilterProcessFunc process; + gdouble *buffer; /* buffer for storing samples of previous buffers */ guint buffer_fill; /* fill level of buffer */ - guint buffer_length; /* length of the buffer */ - - guint64 latency; + guint buffer_length; /* length of the buffer -- meaning depends on processing mode */ + + /* FFT convolution specific data */ + GstFFTF64 *fft; + GstFFTF64 *ifft; + GstFFTF64Complex *frequency_response; /* filter kernel -- frequency domain */ + guint frequency_response_length; /* length of filter kernel -- frequency domain */ + GstFFTF64Complex *fft_buffer; /* FFT buffer, has the length of the frequency response */ + guint block_length; /* Length of the processing blocks -- time domain */ GstClockTime start_ts; /* start timestamp after a discont */ guint64 start_off; /* start offset after a discont */ |