1 /* GStreamer Split Muxed File Source
2  * Copyright (C) 2014 Jan Schmidt <jan@centricular.com>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 #ifndef __GST_SPLITMUX_SRC_H__
20 #define __GST_SPLITMUX_SRC_H__
21 
22 #include <gst/gst.h>
23 
24 #include "gstsplitmuxpartreader.h"
25 
26 G_BEGIN_DECLS
27 
28 #define GST_TYPE_SPLITMUX_SRC \
29   (gst_splitmux_src_get_type())
30 #define GST_SPLITMUX_SRC(obj) \
31   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPLITMUX_SRC,GstSplitMuxSrc))
32 #define GST_SPLITMUX_SRC_CLASS(klass) \
33   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPLITMUX_SRC,GstSplitMuxSrcClass))
34 #define GST_IS_SPLITMUX_SRC(obj) \
35   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPLITMUX_SRC))
36 #define GST_IS_SPLITMUX_SRC_CLASS(klass) \
37   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPLITMUX_SRC))
38 
39 typedef struct _GstSplitMuxSrc GstSplitMuxSrc;
40 typedef struct _GstSplitMuxSrcClass GstSplitMuxSrcClass;
41 
42 struct _GstSplitMuxSrc
43 {
44   GstBin parent;
45 
46   GMutex lock;
47   gboolean     running;
48 
49   gchar       *location;  /* OBJECT_LOCK */
50 
51   GstSplitMuxPartReader **parts;
52   guint        num_parts;
53   guint        num_prepared_parts;
54   guint        num_created_parts;
55   guint        cur_part;
56 
57   gboolean async_pending;
58   gboolean pads_complete;
59 
60   GMutex pads_lock;
61   GList  *pads; /* pads_lock */
62   guint n_pads;
63   guint n_notlinked;
64 
65   GstClockTime total_duration;
66   GstClockTime end_offset;
67   GstSegment play_segment;
68   guint32 segment_seqnum;
69 };
70 
71 struct _GstSplitMuxSrcClass
72 {
73   GstBinClass parent_class;
74 };
75 
76 GType splitmux_src_pad_get_type (void);
77 #define SPLITMUX_TYPE_SRC_PAD splitmux_src_pad_get_type()
78 #define SPLITMUX_SRC_PAD_CAST(p) ((SplitMuxSrcPad *)(p))
79 #define SPLITMUX_SRC_PAD(obj) \
80   (G_TYPE_CHECK_INSTANCE_CAST((obj),SPLITMUX_TYPE_SRC_PAD,SplitMuxSrcPad))
81 
82 struct _SplitMuxSrcPad
83 {
84   GstPad parent;
85 
86   guint cur_part;
87   GstSplitMuxPartReader *reader;
88   GstPad *part_pad;
89 
90   GstSegment segment;
91 
92   gboolean set_next_discont;
93   gboolean clear_next_discont;
94 
95   gboolean sent_stream_start;
96   gboolean sent_caps;
97   gboolean sent_segment;
98 };
99 
100 struct _SplitMuxSrcPadClass
101 {
102   GstPadClass parent;
103 };
104 
105 GType gst_splitmux_src_get_type (void);
106 gboolean register_splitmuxsrc (GstPlugin * plugin);
107 
108 #define SPLITMUX_SRC_LOCK(s) g_mutex_lock(&(s)->lock)
109 #define SPLITMUX_SRC_UNLOCK(s) g_mutex_unlock(&(s)->lock)
110 
111 #define SPLITMUX_SRC_PADS_LOCK(s) g_mutex_lock(&(s)->pads_lock)
112 #define SPLITMUX_SRC_PADS_UNLOCK(s) g_mutex_unlock(&(s)->pads_lock)
113 
114 G_END_DECLS
115 
116 #endif /* __GST_SPLITMUX_SRC_H__ */
117