/* Gnome-Streamer * Copyright (C) <1999> Erik Walthinsen * * 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_CUTTER_H__ #define __GST_CUTTER_H__ #include #include // #include #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ #define GST_TYPE_CUTTER \ (gst_cutter_get_type()) #define GST_CUTTER(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CUTTER,GstCutter)) #define GST_CUTTER_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstCutter)) #define GST_IS_CUTTER(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CUTTER)) #define GST_IS_CUTTER_CLASS(obj) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CUTTER)) typedef struct _GstCutter GstCutter; typedef struct _GstCutterClass GstCutterClass; struct _GstCutter { GstElement element; GstPad *sinkpad, *srcpad; double threshold_level; /* level below which to cut */ double threshold_length; /* how long signal has to remain * below this level before cutting */ double silent_run_length; /* how long has it been below threshold ? */ gboolean silent; double pre_length; /* how long can the pre-record buffer be ? */ double pre_run_length; /* how long is it currently ? */ GList *pre_buffer; gboolean have_caps; /* did we get the needed caps yet ? */ gint width; /* bit width of data */ long max_sample; /* maximum sample value */ }; struct _GstCutterClass { GstElementClass parent_class; void (*cut_start) (GstCutter* filter); void (*cut_stop) (GstCutter* filter); }; GType gst_cutter_get_type(void); #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* __GST_STEREO_H__ */