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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/* GStreamer
* Copyright (C) <2017> Sean DuBois <sean@siobud.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_AV1_ENC_H__
#define __GST_AV1_ENC_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideoencoder.h>
#include <aom/aom_codec.h>
#include <aom/aom_encoder.h>
#include <aom/aomcx.h>
G_BEGIN_DECLS
#define GST_TYPE_AV1_ENC \
(gst_av1_enc_get_type())
#define GST_AV1_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AV1_ENC,GstAV1Enc))
#define GST_AV1_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AV1_ENC,GstAV1EncClass))
#define GST_IS_AV1_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AV1_ENC))
#define GST_IS_AV1_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AV1_ENC))
#define GST_AV1_ENC_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_AV1_ENC, GstAV1EncClass))
#define GST_AV1_ENC_CAST(obj) \
((GstAV1Enc *) (obj))
typedef struct _GstAV1Enc GstAV1Enc;
typedef struct _GstAV1EncClass GstAV1EncClass;
/**
* GstAV1EncResizeMode:
* @GST_AV1_ENC_RESIZE_NONE: No frame resizing allowed
* @GST_AV1_ENC_RESIZE_FIXED: All frames are coded at the specified scale
* @GST_AV1_ENC_RESIZE_RANDOM: All frames are coded at a random scale
*
* Frame resize mode
*/
typedef enum
{
GST_AV1_ENC_RESIZE_NONE = 0,
GST_AV1_ENC_RESIZE_FIXED = 1,
GST_AV1_ENC_RESIZE_RANDOM = 2,
GST_AV1_ENC_RESIZE_MODES
} GstAV1EncResizeMode;
/**
* GstAV1EncSuperresMode
* @GST_AV1_ENC_SUPERRES_NONE: No frame superres allowed
* @GST_AV1_ENC_SUPERRES_FIXED: All frames are coded at the specified scale and
* super-resolved
* @GST_AV1_ENC_SUPERRES_QTHRESH: Superres scale for a frame is determined based
* on q_index
*
* Frame super-resolution mode
*/
typedef enum
{
GST_AV1_ENC_SUPERRES_NONE = 0,
GST_AV1_ENC_SUPERRES_FIXED = 1,
GST_AV1_ENC_SUPERRES_RANDOM = 2,
GST_AV1_ENC_SUPERRES_QTHRESH = 3,
GST_AV1_ENC_SUPERRES_MODES
} GstAV1EncSuperresMode;
/**
* GstAV1EncEndUsageMode
* @GST_AV1_ENC_END_USAGE_VBR: Variable Bit Rate Mode
* @GST_AV1_ENC_END_USAGE_CBR: Constant Bit Rate Mode
* @GST_AV1_ENC_END_USAGE_CQ: Constrained Quality Mode
* @GST_AV1_ENC_END_USAGE_Q: Constant Quality Mode
*
* Rate control algorithm to use
*/
typedef enum
{
GST_AV1_ENC_END_USAGE_VBR = 0,
GST_AV1_ENC_END_USAGE_CBR = 1,
GST_AV1_ENC_END_USAGE_CQ = 2,
GST_AV1_ENC_END_USAGE_Q = 3,
GST_AV1_ENC_END_USAGE_MODES
} GstAV1EncEndUsageMode;
struct _GstAV1Enc
{
GstVideoEncoder base_video_encoder;
/* properties */
guint keyframe_dist;
gint cpu_used;
/* state */
gboolean encoder_inited;
GstVideoCodecState *input_state;
aom_codec_enc_cfg_t aom_cfg;
aom_codec_ctx_t encoder;
aom_img_fmt_t format;
GMutex encoder_lock;
gboolean target_bitrate_set;
};
struct _GstAV1EncClass
{
GstVideoEncoderClass parent_class;
/*supported aom algo*/
aom_codec_iface_t *codec_algo;
};
GType gst_av1_enc_get_type (void);
G_END_DECLS
#endif /* __GST_AV1_ENC_H__ */
|
