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1 /* GStreamer
2  * Copyright (C) <2006> Wim Taymans <wim.taymans@gmail.com>
3  * Copyright (C) <2014> Jurgen Slowack <jurgenslowack@gmail.com>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef __GST_RTP_H265_DEPAY_H__
22 #define __GST_RTP_H265_DEPAY_H__
23 
24 #include <gst/gst.h>
25 #include <gst/base/gstadapter.h>
26 #include <gst/rtp/gstrtpbasedepayload.h>
27 #include "gstrtph265types.h"
28 
29 G_BEGIN_DECLS
30 #define GST_TYPE_RTP_H265_DEPAY \
31   (gst_rtp_h265_depay_get_type())
32 #define GST_RTP_H265_DEPAY(obj) \
33   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_H265_DEPAY,GstRtpH265Depay))
34 #define GST_RTP_H265_DEPAY_CLASS(klass) \
35   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_H265_DEPAY,GstRtpH265DepayClass))
36 #define GST_IS_RTP_H265_DEPAY(obj) \
37   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_H265_DEPAY))
38 #define GST_IS_RTP_H265_DEPAY_CLASS(klass) \
39   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_H265_DEPAY))
40 typedef struct _GstRtpH265Depay GstRtpH265Depay;
41 typedef struct _GstRtpH265DepayClass GstRtpH265DepayClass;
42 
43 #define GST_H265_VPS_NUT 32
44 #define GST_H265_SPS_NUT 33
45 #define GST_H265_PPS_NUT 34
46 
47 typedef enum
48 {
49   GST_H265_STREAM_FORMAT_UNKNOWN,
50   GST_H265_STREAM_FORMAT_BYTESTREAM,
51   GST_H265_STREAM_FORMAT_HVC1,
52   GST_H265_STREAM_FORMAT_HEV1
53 } GstH265StreamFormat;
54 
55 struct _GstRtpH265Depay
56 {
57   GstRTPBaseDepayload depayload;
58 
59   const gchar *stream_format;
60   GstH265StreamFormat output_format;  /* bytestream, hvc1 or hev1 */
61   gboolean byte_stream;
62 
63   GstBuffer *codec_data;
64   GstAdapter *adapter;
65   gboolean wait_start;
66 
67   /* nal merging */
68   gboolean merge;
69   GstAdapter *picture_adapter;
70   gboolean picture_start;
71   GstClockTime last_ts;
72   gboolean last_keyframe;
73 
74   /* Work around broken payloaders wrt. Fragmentation Units */
75   guint8 current_fu_type;
76   guint16 last_fu_seqnum;
77   GstClockTime fu_timestamp;
78   gboolean fu_marker;
79 
80   /* misc */
81   GPtrArray *vps;
82   GPtrArray *sps;
83   GPtrArray *pps;
84   gboolean new_codec_data;
85 
86   /* downstream allocator */
87   GstAllocator *allocator;
88   GstAllocationParams params;
89 };
90 
91 struct _GstRtpH265DepayClass
92 {
93   GstRTPBaseDepayloadClass parent_class;
94 };
95 
96 typedef struct
97 {
98   GstElement *element;
99   GstBuffer *outbuf;
100   GQuark copy_tag;
101 } CopyMetaData;
102 
103 typedef struct
104 {
105   GstElement *element;
106   GQuark keep_tag;
107 } DropMetaData;
108 
109 GType gst_rtp_h265_depay_get_type (void);
110 
111 gboolean gst_rtp_h265_add_vps_sps_pps (GstElement * rtph265, GPtrArray * vps,
112     GPtrArray * sps, GPtrArray * pps, GstBuffer * nal);
113 
114 G_END_DECLS
115 #endif /* __GST_RTP_H265_DEPAY_H__ */
116