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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.
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*
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* GStreamer
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* Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef __GST_AUDIO_IIR_FILTER_H__
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#define __GST_AUDIO_IIR_FILTER_H__
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#include <gst/gst.h>
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#include <gst/audio/gstaudiofilter.h>
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#include "audiofxbaseiirfilter.h"
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G_BEGIN_DECLS
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#define GST_TYPE_AUDIO_IIR_FILTER \
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(gst_audio_iir_filter_get_type())
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#define GST_AUDIO_IIR_FILTER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_IIR_FILTER,GstAudioIIRFilter))
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#define GST_AUDIO_IIR_FILTER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_IIR_FILTER,GstAudioIIRFilterClass))
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#define GST_IS_AUDIO_IIR_FILTER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_IIR_FILTER))
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#define GST_IS_AUDIO_IIR_FILTER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_IIR_FILTER))
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typedef struct _GstAudioIIRFilter GstAudioIIRFilter;
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typedef struct _GstAudioIIRFilterClass GstAudioIIRFilterClass;
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/**
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* GstAudioIIRFilter:
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*
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* Opaque data structure.
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*/
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struct _GstAudioIIRFilter {
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GstAudioFXBaseIIRFilter parent;
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GValueArray *a, *b;
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/* < private > */
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GMutex *lock;
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gint rate;
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};
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struct _GstAudioIIRFilterClass {
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GstAudioFXBaseIIRFilterClass parent;
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void (*rate_changed) (GstElement * element, gint rate);
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};
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GType gst_audio_iir_filter_get_type (void);
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G_END_DECLS
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#endif /* __GST_AUDIO_IIR_FILTER_H__ */
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