mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-12 09:26:20 +00:00
75c1c9f378
Original commit message from CVS: * configure.ac: * gst/audiofx/Makefile.am: * gst/audiofx/audiofirfilter.c: (gst_audio_fir_filter_base_init), (gst_audio_fir_filter_class_init), (gst_audio_fir_filter_update_kernel), (gst_audio_fir_filter_init), (gst_audio_fir_filter_setup), (gst_audio_fir_filter_finalize), (gst_audio_fir_filter_set_property), (gst_audio_fir_filter_get_property): * gst/audiofx/audiofirfilter.h: * gst/audiofx/audiofx.c: (plugin_init): * gst/audiofx/audioiirfilter.c: (gst_audio_iir_filter_base_init), (gst_audio_iir_filter_class_init), (gst_audio_iir_filter_update_coefficients), (gst_audio_iir_filter_init), (gst_audio_iir_filter_setup), (gst_audio_iir_filter_finalize), (gst_audio_iir_filter_set_property), (gst_audio_iir_filter_get_property): * gst/audiofx/audioiirfilter.h: Add audioiirfilter and audiofirfilter elements which allow generic IIR/FIR filters to be implemented by providing the filter coefficients. Fixes bug #567577. * docs/plugins/Makefile.am: * docs/plugins/gst-plugins-good-plugins-docs.sgml: * docs/plugins/gst-plugins-good-plugins-sections.txt: * docs/plugins/gst-plugins-good-plugins.args: * docs/plugins/gst-plugins-good-plugins.hierarchy: * docs/plugins/gst-plugins-good-plugins.signals: * docs/plugins/inspect/plugin-alaw.xml: * docs/plugins/inspect/plugin-audiofx.xml: * docs/plugins/inspect/plugin-avi.xml: * docs/plugins/inspect/plugin-flac.xml: * docs/plugins/inspect/plugin-mulaw.xml: * docs/plugins/inspect/plugin-video4linux2.xml: * docs/plugins/inspect/plugin-wavparse.xml: Add documentation for the audioiirfilter and audiofirfilter elements. * tests/check/Makefile.am: * tests/check/elements/audiofirfilter.c: (on_message), (on_rate_changed), (on_handoff), (GST_START_TEST), (audiofirfilter_suite): * tests/check/elements/audioiirfilter.c: (on_message), (on_rate_changed), (on_handoff), (GST_START_TEST), (audioiirfilter_suite): * tests/examples/Makefile.am: * tests/examples/audiofx/Makefile.am: * tests/examples/audiofx/firfilter-example.c: (on_message), (on_rate_changed), (main): * tests/examples/audiofx/iirfilter-example.c: (on_message), (on_rate_changed), (main): Add unit tests and example applications for the two filter elements.
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef __GST_AUDIO_FIR_FILTER_H__
|
|
#define __GST_AUDIO_FIR_FILTER_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/audio/gstaudiofilter.h>
|
|
|
|
#include "audiofxbasefirfilter.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_AUDIO_FIR_FILTER \
|
|
(gst_audio_fir_filter_get_type())
|
|
#define GST_AUDIO_FIR_FILTER(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_FIR_FILTER,GstAudioFIRFilter))
|
|
#define GST_AUDIO_FIR_FILTER_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_FIR_FILTER,GstAudioFIRFilterClass))
|
|
#define GST_IS_AUDIO_FIR_FILTER(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_FIR_FILTER))
|
|
#define GST_IS_AUDIO_FIR_FILTER_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_FIR_FILTER))
|
|
|
|
typedef struct _GstAudioFIRFilter GstAudioFIRFilter;
|
|
typedef struct _GstAudioFIRFilterClass GstAudioFIRFilterClass;
|
|
|
|
/**
|
|
* GstAudioFIRFilter:
|
|
*
|
|
* Opaque data structure.
|
|
*/
|
|
struct _GstAudioFIRFilter {
|
|
GstAudioFXBaseFIRFilter parent;
|
|
|
|
GValueArray *kernel;
|
|
guint64 latency;
|
|
|
|
/* < private > */
|
|
GMutex *lock;
|
|
gint rate;
|
|
};
|
|
|
|
struct _GstAudioFIRFilterClass {
|
|
GstAudioFXBaseFIRFilterClass parent;
|
|
|
|
void (*rate_changed) (GstElement * element, gint rate);
|
|
};
|
|
|
|
GType gst_audio_fir_filter_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_AUDIO_FIR_FILTER_H__ */
|