1 /* GStreamer
2  * Copyright (C) <2006> Wim Taymans <wim.taymans@gmail.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 
20 #ifndef __GST_RTP_H264_DEPAY_H__
21 #define __GST_RTP_H264_DEPAY_H__
22 
23 #include <gst/gst.h>
24 #include <gst/base/gstadapter.h>
25 #include <gst/rtp/gstrtpbasedepayload.h>
26 
27 G_BEGIN_DECLS
28 
29 #define GST_TYPE_RTP_H264_DEPAY \
30   (gst_rtp_h264_depay_get_type())
31 #define GST_RTP_H264_DEPAY(obj) \
32   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_H264_DEPAY,GstRtpH264Depay))
33 #define GST_RTP_H264_DEPAY_CLASS(klass) \
34   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_H264_DEPAY,GstRtpH264DepayClass))
35 #define GST_IS_RTP_H264_DEPAY(obj) \
36   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_H264_DEPAY))
37 #define GST_IS_RTP_H264_DEPAY_CLASS(klass) \
38   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_H264_DEPAY))
39 
40 typedef struct _GstRtpH264Depay GstRtpH264Depay;
41 typedef struct _GstRtpH264DepayClass GstRtpH264DepayClass;
42 
43 struct _GstRtpH264Depay
44 {
45   GstRTPBaseDepayload depayload;
46 
47   gboolean    byte_stream;
48 
49   GstBuffer  *codec_data;
50   GstAdapter *adapter;
51   gboolean    wait_start;
52 
53   /* nal merging */
54   gboolean    merge;
55   GstAdapter *picture_adapter;
56   gboolean    picture_start;
57   GstClockTime last_ts;
58   gboolean    last_keyframe;
59 
60   /* Work around broken payloaders wrt. FU-A & FU-B */
61   guint8 current_fu_type;
62   GstClockTime fu_timestamp;
63   gboolean fu_marker;
64 
65   /* misc */
66   GPtrArray *sps;
67   GPtrArray *pps;
68   gboolean new_codec_data;
69 
70   /* downstream allocator */
71   GstAllocator *allocator;
72   GstAllocationParams params;
73 };
74 
75 struct _GstRtpH264DepayClass
76 {
77   GstRTPBaseDepayloadClass parent_class;
78 };
79 
80 GType gst_rtp_h264_depay_get_type (void);
81 
82 gboolean gst_rtp_h264_depay_plugin_init (GstPlugin * plugin);
83 
84 gboolean gst_rtp_h264_add_sps_pps (GstElement * rtph264, GPtrArray * sps,
85     GPtrArray * pps, GstBuffer * nal);
86 
87 G_END_DECLS
88 
89 #endif /* __GST_RTP_H264_DEPAY_H__ */
90