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
|
/*
* 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 OMX_CODEC_H_
#define OMX_CODEC_H_
#include <media/IOMX.h>
#include <media/stagefright/MediaBuffer.h>
#include <media/stagefright/MediaSource.h>
#include <utils/threads.h>
namespace android {
class MemoryDealer;
struct OMXCodecObserver;
struct OMXCodec : public MediaSource,
public MediaBufferObserver {
static sp<OMXCodec> Create(
const sp<IOMX> &omx,
const sp<MetaData> &meta, bool createEncoder,
const sp<MediaSource> &source);
virtual status_t start(MetaData *params = NULL);
virtual status_t stop();
virtual sp<MetaData> getFormat();
virtual status_t read(
MediaBuffer **buffer, const ReadOptions *options = NULL);
void on_message(const omx_message &msg);
// from MediaBufferObserver
virtual void signalBufferReturned(MediaBuffer *buffer);
protected:
virtual ~OMXCodec();
private:
enum State {
DEAD,
LOADED,
LOADED_TO_IDLE,
IDLE_TO_EXECUTING,
EXECUTING,
EXECUTING_TO_IDLE,
IDLE_TO_LOADED,
RECONFIGURING,
ERROR
};
enum {
kPortIndexInput = 0,
kPortIndexOutput = 1
};
enum PortStatus {
ENABLED,
DISABLING,
DISABLED,
ENABLING,
SHUTTING_DOWN,
};
enum Quirks {
kNeedsFlushBeforeDisable = 1,
kWantsRawNALFrames = 2,
kRequiresLoadedToIdleAfterAllocation = 4,
kRequiresAllocateBufferOnInputPorts = 8,
};
struct BufferInfo {
IOMX::buffer_id mBuffer;
bool mOwnedByComponent;
sp<IMemory> mMem;
MediaBuffer *mMediaBuffer;
};
struct CodecSpecificData {
size_t mSize;
uint8_t mData[1];
};
sp<IOMX> mOMX;
IOMX::node_id mNode;
sp<OMXCodecObserver> mObserver;
uint32_t mQuirks;
bool mIsEncoder;
char *mMIME;
char *mComponentName;
sp<MetaData> mOutputFormat;
sp<MediaSource> mSource;
Vector<CodecSpecificData *> mCodecSpecificData;
size_t mCodecSpecificDataIndex;
sp<MemoryDealer> mDealer;
State mState;
Vector<BufferInfo> mPortBuffers[2];
PortStatus mPortStatus[2];
bool mSignalledEOS;
bool mNoMoreOutputData;
int64_t mSeekTimeUs;
Mutex mLock;
Condition mAsyncCompletion;
// A list of indices into mPortStatus[kPortIndexOutput] filled with data.
List<size_t> mFilledBuffers;
Condition mBufferFilled;
OMXCodec(const sp<IOMX> &omx, IOMX::node_id node, uint32_t quirks,
bool isEncoder, const char *mime, const char *componentName,
const sp<MediaSource> &source);
void addCodecSpecificData(const void *data, size_t size);
void clearCodecSpecificData();
void setAMRFormat();
void setAACFormat();
status_t setVideoPortFormatType(
OMX_U32 portIndex,
OMX_VIDEO_CODINGTYPE compressionFormat,
OMX_COLOR_FORMATTYPE colorFormat);
void setVideoInputFormat(
const char *mime, OMX_U32 width, OMX_U32 height);
void setVideoOutputFormat(
const char *mime, OMX_U32 width, OMX_U32 height);
void setImageOutputFormat(
OMX_COLOR_FORMATTYPE format, OMX_U32 width, OMX_U32 height);
status_t allocateBuffers();
status_t allocateBuffersOnPort(OMX_U32 portIndex);
status_t freeBuffersOnPort(
OMX_U32 portIndex, bool onlyThoseWeOwn = false);
void drainInputBuffer(IOMX::buffer_id buffer);
void fillOutputBuffer(IOMX::buffer_id buffer);
void drainInputBuffer(BufferInfo *info);
void fillOutputBuffer(BufferInfo *info);
void drainInputBuffers();
void fillOutputBuffers();
void flushPortAsync(OMX_U32 portIndex);
void disablePortAsync(OMX_U32 portIndex);
void enablePortAsync(OMX_U32 portIndex);
static size_t countBuffersWeOwn(const Vector<BufferInfo> &buffers);
static bool isIntermediateState(State state);
void onEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
void onCmdComplete(OMX_COMMANDTYPE cmd, OMX_U32 data);
void onStateChange(OMX_STATETYPE newState);
void onPortSettingsChanged(OMX_U32 portIndex);
void setState(State newState);
status_t init();
void initOutputFormat(const sp<MetaData> &inputFormat);
void dumpPortStatus(OMX_U32 portIndex);
OMXCodec(const OMXCodec &);
OMXCodec &operator=(const OMXCodec &);
};
} // namespace android
#endif // OMX_CODEC_H_
|
