1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* GStreamer
* Copyright (C) 2016 Sebastian Dröge <sebastian@centricular.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_AUDIO_BUFFER_SPLIT_H__
#define __GST_AUDIO_BUFFER_SPLIT_H__
#include <gst/gst.h>
#include <gst/base/base.h>
#include <gst/audio/audio.h>
G_BEGIN_DECLS
#define GST_TYPE_AUDIO_BUFFER_SPLIT (gst_audio_buffer_split_get_type())
#define GST_AUDIO_BUFFER_SPLIT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_BUFFER_SPLIT,GstAudioBufferSplit))
#define GST_IS_AUDIO_BUFFER_SPLIT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_BUFFER_SPLIT))
#define GST_AUDIO_BUFFER_SPLIT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_BUFFER_SPLIT,GstAudioBufferSplitClass))
#define GST_IS_AUDIO_BUFFER_SPLIT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_BUFFER_SPLIT))
#define GST_AUDIO_BUFFER_SPLIT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_BUFFER_SPLIT,GstAudioBufferSplitClass))
typedef struct _GstAudioBufferSplit GstAudioBufferSplit;
typedef struct _GstAudioBufferSplitClass GstAudioBufferSplitClass;
struct _GstAudioBufferSplit {
GstElement parent;
GstPad *srcpad, *sinkpad;
/* Properties */
gint output_buffer_duration_n;
gint output_buffer_duration_d;
guint output_buffer_size;
/* State */
GstSegment in_segment, out_segment;
guint32 segment_seqnum;
gboolean segment_pending;
GstAudioInfo info;
GstAdapter *adapter;
GstAudioStreamAlign *stream_align;
GstClockTime resync_pts, resync_rt;
guint64 current_offset; /* offset from start time in samples */
guint64 drop_samples; /* number of samples to drop in gapless mode */
guint samples_per_buffer;
guint error_per_buffer;
guint accumulated_error;
gboolean strict_buffer_size;
gboolean gapless;
GstClockTime max_silence_time;
};
struct _GstAudioBufferSplitClass {
GstElementClass parent_class;
};
GType gst_audio_buffer_split_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (audiobuffersplit);
G_END_DECLS
#endif /* __GST_AUDIO_BUFFER_SPLIT_H__ */
|
