1 /* GStreamer 2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> 3 * 2000 Wim Taymans <wtay@chello.be> 4 * Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.org> 5 * 6 * gstaudiointerleave.h: Header for audiointerleave element 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public 19 * License along with this library; if not, write to the 20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 */ 23 24 #ifndef __GST_AUDIO_INTERLEAVE_H__ 25 #define __GST_AUDIO_INTERLEAVE_H__ 26 27 #include <gst/gst.h> 28 #include <gst/audio/audio.h> 29 30 #include <gst/audio/gstaudioaggregator.h> 31 32 G_BEGIN_DECLS 33 34 #define GST_TYPE_AUDIO_INTERLEAVE (gst_audio_interleave_get_type()) 35 #define GST_AUDIO_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_INTERLEAVE,GstAudioInterleave)) 36 #define GST_IS_AUDIO_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_INTERLEAVE)) 37 #define GST_AUDIO_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_INTERLEAVE,GstAudioInterleaveClass)) 38 #define GST_IS_AUDIO_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_INTERLEAVE)) 39 #define GST_AUDIO_INTERLEAVE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_INTERLEAVE,GstAudioInterleaveClass)) 40 41 typedef struct _GstAudioInterleave GstAudioInterleave; 42 typedef struct _GstAudioInterleaveClass GstAudioInterleaveClass; 43 44 typedef struct _GstAudioInterleavePad GstAudioInterleavePad; 45 typedef struct _GstAudioInterleavePadClass GstAudioInterleavePadClass; 46 47 typedef void (*GstInterleaveFunc) (gpointer out, gpointer in, guint stride, 48 guint nframes); 49 50 /** 51 * GstAudioInterleave: 52 * 53 * The GstAudioInterleave object structure. 54 */ 55 struct _GstAudioInterleave { 56 GstAudioAggregator parent; 57 58 gint padcounter; 59 guint channels; /* object lock */ 60 61 GstCaps *sinkcaps; 62 63 GValueArray *channel_positions; 64 GValueArray *input_channel_positions; 65 gboolean channel_positions_from_input; 66 67 gint default_channels_ordering_map[64]; 68 69 GstInterleaveFunc func; 70 }; 71 72 struct _GstAudioInterleaveClass { 73 GstAudioAggregatorClass parent_class; 74 }; 75 76 GType gst_audio_interleave_get_type (void); 77 78 #define GST_TYPE_AUDIO_INTERLEAVE_PAD (gst_audio_interleave_pad_get_type()) 79 #define GST_AUDIO_INTERLEAVE_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_INTERLEAVE_PAD,GstAudioInterleavePad)) 80 #define GST_IS_AUDIO_INTERLEAVE_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_INTERLEAVE_PAD)) 81 #define GST_AUDIO_INTERLEAVE_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_INTERLEAVE_PAD,GstAudioInterleavePadClass)) 82 #define GST_IS_AUDIO_INTERLEAVE_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_INTERLEAVE_PAD)) 83 #define GST_AUDIO_INTERLEAVE_PAD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_INTERLEAVE_PAD,GstAudioInterleavePadClass)) 84 85 struct _GstAudioInterleavePad { 86 GstAudioAggregatorPad parent; 87 88 guint channel; 89 }; 90 91 struct _GstAudioInterleavePadClass { 92 GstAudioAggregatorPadClass parent_class; 93 }; 94 95 GType gst_audio_interleave_pad_get_type (void); 96 97 G_END_DECLS 98 99 100 #endif /* __GST_AUDIO_INTERLEAVE_H__ */ 101