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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_IOMX_H_
#define ANDROID_IOMX_H_
#include <binder/IInterface.h>
#include <utils/List.h>
#include <utils/String8.h>
#include <OMX_Core.h>
#include <OMX_Video.h>
namespace android {
class IMemory;
class IOMXObserver;
class IOMXRenderer;
class ISurface;
class Surface;
class IOMX : public IInterface {
public:
DECLARE_META_INTERFACE(OMX);
typedef void *buffer_id;
typedef void *node_id;
virtual status_t list_nodes(List<String8> *list) = 0;
virtual status_t allocate_node(const char *name, node_id *node) = 0;
virtual status_t free_node(node_id node) = 0;
virtual status_t send_command(
node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) = 0;
virtual status_t get_parameter(
node_id node, OMX_INDEXTYPE index,
void *params, size_t size) = 0;
virtual status_t set_parameter(
node_id node, OMX_INDEXTYPE index,
const void *params, size_t size) = 0;
virtual status_t use_buffer(
node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms,
buffer_id *buffer) = 0;
virtual status_t allocate_buffer(
node_id node, OMX_U32 port_index, size_t size,
buffer_id *buffer) = 0;
virtual status_t allocate_buffer_with_backup(
node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms,
buffer_id *buffer) = 0;
virtual status_t free_buffer(
node_id node, OMX_U32 port_index, buffer_id buffer) = 0;
virtual status_t observe_node(
node_id node, const sp<IOMXObserver> &observer) = 0;
virtual void fill_buffer(node_id node, buffer_id buffer) = 0;
virtual void empty_buffer(
node_id node,
buffer_id buffer,
OMX_U32 range_offset, OMX_U32 range_length,
OMX_U32 flags, OMX_TICKS timestamp) = 0;
virtual sp<IOMXRenderer> createRenderer(
const sp<ISurface> &surface,
const char *componentName,
OMX_COLOR_FORMATTYPE colorFormat,
size_t encodedWidth, size_t encodedHeight,
size_t displayWidth, size_t displayHeight) = 0;
// Note: This method is _not_ virtual, it exists as a wrapper around
// the virtual "createRenderer" method above facilitating extraction
// of the ISurface from a regular Surface.
sp<IOMXRenderer> createRenderer(
const sp<Surface> &surface,
const char *componentName,
OMX_COLOR_FORMATTYPE colorFormat,
size_t encodedWidth, size_t encodedHeight,
size_t displayWidth, size_t displayHeight);
};
struct omx_message {
enum {
EVENT,
EMPTY_BUFFER_DONE,
FILL_BUFFER_DONE,
// reserved for OMXDecoder use.
START,
INITIAL_FILL_BUFFER,
// reserved for OMXObserver use.
QUIT_OBSERVER,
} type;
union {
// if type == EVENT
struct {
IOMX::node_id node;
OMX_EVENTTYPE event;
OMX_U32 data1;
OMX_U32 data2;
} event_data;
// if type == EMPTY_BUFFER_DONE || type == FILL_BUFFER
// || type == INITIAL_FILL_BUFFER
struct {
IOMX::node_id node;
IOMX::buffer_id buffer;
} buffer_data;
// if type == EMPTY_BUFFER || type == FILL_BUFFER_DONE
struct {
IOMX::node_id node;
IOMX::buffer_id buffer;
OMX_U32 range_offset;
OMX_U32 range_length;
OMX_U32 flags;
OMX_TICKS timestamp;
OMX_PTR platform_private; // ignored if type == EMPTY_BUFFER
} extended_buffer_data;
// if type == SEND_COMMAND
struct {
IOMX::node_id node;
OMX_COMMANDTYPE cmd;
OMX_S32 param;
} send_command_data;
} u;
};
class IOMXObserver : public IInterface {
public:
DECLARE_META_INTERFACE(OMXObserver);
virtual void on_message(const omx_message &msg) = 0;
};
class IOMXRenderer : public IInterface {
public:
DECLARE_META_INTERFACE(OMXRenderer);
virtual void render(IOMX::buffer_id buffer) = 0;
};
////////////////////////////////////////////////////////////////////////////////
class BnOMX : public BnInterface<IOMX> {
public:
virtual status_t onTransact(
uint32_t code, const Parcel &data, Parcel *reply,
uint32_t flags = 0);
};
class BnOMXObserver : public BnInterface<IOMXObserver> {
public:
virtual status_t onTransact(
uint32_t code, const Parcel &data, Parcel *reply,
uint32_t flags = 0);
};
class BnOMXRenderer : public BnInterface<IOMXRenderer> {
public:
virtual status_t onTransact(
uint32_t code, const Parcel &data, Parcel *reply,
uint32_t flags = 0);
};
} // namespace android
#endif // ANDROID_IOMX_H_
|
