diff options
Diffstat (limited to 'gst-libs/gst/audio/gstaudiofilter.h')
-rw-r--r-- | gst-libs/gst/audio/gstaudiofilter.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/gst-libs/gst/audio/gstaudiofilter.h b/gst-libs/gst/audio/gstaudiofilter.h new file mode 100644 index 00000000..4723c329 --- /dev/null +++ b/gst-libs/gst/audio/gstaudiofilter.h @@ -0,0 +1,84 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * 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_AUDIOFILTER_H__ +#define __GST_AUDIOFILTER_H__ + + +#include <gst/gst.h> + + +G_BEGIN_DECLS + +typedef struct _GstAudiofilter GstAudiofilter; +typedef struct _GstAudiofilterClass GstAudiofilterClass; + +typedef void (*GstAudiofilterFilterFunc)(GstAudiofilter *filter, + GstBuffer *outbuf, GstBuffer *inbuf); +typedef void (*GstAudiofilterInplaceFilterFunc)(GstAudiofilter *filter, + GstBuffer *buffer); + +typedef void (*GstAudiofilterSetupFunc) (GstAudiofilter *filter); + + +#define GST_TYPE_AUDIOFILTER \ + (gst_audiofilter_get_type()) +#define GST_AUDIOFILTER(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIOFILTER,GstAudiofilter)) +#define GST_AUDIOFILTER_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIOFILTER,GstAudiofilterClass)) +#define GST_IS_AUDIOFILTER(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIOFILTER)) +#define GST_IS_AUDIOFILTER_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIOFILTER)) + +struct _GstAudiofilter { + GstElement element; + + GstPad *sinkpad,*srcpad; + + /* audio state */ + gboolean inited; + + int rate; + int width; + int channels; + int depth; + gboolean passthru; + +}; + +struct _GstAudiofilterClass { + GstElementClass parent_class; + + GstCaps *caps; + GstAudiofilterSetupFunc setup; + GstAudiofilterInplaceFilterFunc filter_inplace; + GstAudiofilterFilterFunc filter; +}; + +GType gst_audiofilter_get_type(void); + +void gst_audiofilter_class_add_pad_templates (GstAudiofilterClass *audiofilterclass, const GstCaps *caps); + +G_END_DECLS + +#endif /* __GST_AUDIOFILTER_H__ */ + |