1 /* GStreamer 2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> 3 * 2000 Wim Taymans <wtay@chello.be> 4 * 2005 Wim Taymans <wim@fluendo.com> 5 * 2007 Andy Wingo <wingo at pobox.com> 6 * 2008 Sebastian Dröge <slomo@circular-chaos.org> 7 * 8 * interleave.c: interleave samples, mostly based on adder 9 * 10 * This library is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU Library General Public 12 * License as published by the Free Software Foundation; either 13 * version 2 of the License, or (at your option) any later version. 14 * 15 * This library is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * Library General Public License for more details. 19 * 20 * You should have received a copy of the GNU Library General Public 21 * License along with this library; if not, write to the 22 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 23 * Boston, MA 02110-1301, USA. 24 */ 25 26 #ifndef __INTERLEAVE_H__ 27 #define __INTERLEAVE_H__ 28 29 #include <gst/gst.h> 30 #include <gst/base/gstcollectpads.h> 31 32 G_BEGIN_DECLS 33 34 #define GST_TYPE_INTERLEAVE (gst_interleave_get_type()) 35 #define GST_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_INTERLEAVE,GstInterleave)) 36 #define GST_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_INTERLEAVE,GstInterleaveClass)) 37 #define GST_INTERLEAVE_GET_CLASS(obj) \ 38 (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_INTERLEAVE,GstInterleaveClass)) 39 #define GST_IS_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_INTERLEAVE)) 40 #define GST_IS_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_INTERLEAVE)) 41 42 typedef struct _GstInterleave GstInterleave; 43 typedef struct _GstInterleaveClass GstInterleaveClass; 44 45 typedef void (*GstInterleaveFunc) (gpointer out, gpointer in, guint stride, guint nframes); 46 47 struct _GstInterleave 48 { 49 GstElement element; 50 51 /*< private >*/ 52 GstCollectPads *collect; 53 54 gint channels; 55 gint padcounter; 56 gint rate; 57 gint width; 58 59 GValueArray *channel_positions; 60 GValueArray *input_channel_positions; 61 gboolean channel_positions_from_input; 62 63 gint default_channels_ordering_map[64]; 64 guint64 channel_mask; 65 66 GstCaps *sinkcaps; 67 gint configured_sinkpads_counter; 68 69 GstClockTime timestamp; 70 guint64 offset; 71 72 GstEvent *pending_segment; 73 74 GstInterleaveFunc func; 75 76 GstPad *src; 77 78 gboolean send_stream_start; 79 }; 80 81 struct _GstInterleaveClass 82 { 83 GstElementClass parent_class; 84 }; 85 86 GType gst_interleave_get_type (void); 87 88 G_END_DECLS 89 90 #endif /* __INTERLEAVE_H__ */ 91