OMXNodeInstance.h revision 83750eaf5a3f38c243a9e7eb81d4b2421e3a0d88 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef OMX_NODE_INSTANCE_H_
18
19#define OMX_NODE_INSTANCE_H_
20
21#include "OMX.h"
22
23#include <utils/RefBase.h>
24#include <utils/threads.h>
25
26namespace android {
27
28class IOMXObserver;
29struct OMXMaster;
30
31struct OMXNodeInstance {
32    OMXNodeInstance(
33            OMX *owner, const sp<IOMXObserver> &observer);
34
35    void setHandle(OMX::node_id node_id, OMX_HANDLETYPE handle);
36
37    OMX *owner();
38    sp<IOMXObserver> observer();
39    OMX::node_id nodeID();
40
41    status_t freeNode(OMXMaster *master);
42
43    status_t sendCommand(OMX_COMMANDTYPE cmd, OMX_S32 param);
44    status_t getParameter(OMX_INDEXTYPE index, void *params, size_t size);
45
46    status_t setParameter(
47            OMX_INDEXTYPE index, const void *params, size_t size);
48
49    status_t getConfig(OMX_INDEXTYPE index, void *params, size_t size);
50    status_t setConfig(OMX_INDEXTYPE index, const void *params, size_t size);
51
52    status_t enableGraphicBuffers(OMX_U32 portIndex, OMX_BOOL enable);
53
54    status_t useBuffer(
55            OMX_U32 portIndex, const sp<IMemory> &params,
56            OMX::buffer_id *buffer);
57
58    status_t useGraphicBuffer(
59            OMX_U32 portIndex, const sp<GraphicBuffer> &graphicBuffer,
60            OMX::buffer_id *buffer);
61
62    status_t allocateBuffer(
63            OMX_U32 portIndex, size_t size, OMX::buffer_id *buffer,
64            void **buffer_data);
65
66    status_t allocateBufferWithBackup(
67            OMX_U32 portIndex, const sp<IMemory> &params,
68            OMX::buffer_id *buffer);
69
70    status_t freeBuffer(OMX_U32 portIndex, OMX::buffer_id buffer);
71
72    status_t fillBuffer(OMX::buffer_id buffer);
73
74    status_t emptyBuffer(
75            OMX::buffer_id buffer,
76            OMX_U32 rangeOffset, OMX_U32 rangeLength,
77            OMX_U32 flags, OMX_TICKS timestamp);
78
79    status_t getExtensionIndex(
80            const char *parameterName, OMX_INDEXTYPE *index);
81
82    void onMessage(const omx_message &msg);
83    void onObserverDied(OMXMaster *master);
84    void onGetHandleFailed();
85
86    static OMX_CALLBACKTYPE kCallbacks;
87
88private:
89    Mutex mLock;
90
91    OMX *mOwner;
92    OMX::node_id mNodeID;
93    OMX_HANDLETYPE mHandle;
94    sp<IOMXObserver> mObserver;
95    bool mDying;
96
97    struct ActiveBuffer {
98        OMX_U32 mPortIndex;
99        OMX::buffer_id mID;
100    };
101    Vector<ActiveBuffer> mActiveBuffers;
102
103    ~OMXNodeInstance();
104
105    void addActiveBuffer(OMX_U32 portIndex, OMX::buffer_id id);
106    void removeActiveBuffer(OMX_U32 portIndex, OMX::buffer_id id);
107    void freeActiveBuffers();
108
109    static OMX_ERRORTYPE OnEvent(
110            OMX_IN OMX_HANDLETYPE hComponent,
111            OMX_IN OMX_PTR pAppData,
112            OMX_IN OMX_EVENTTYPE eEvent,
113            OMX_IN OMX_U32 nData1,
114            OMX_IN OMX_U32 nData2,
115            OMX_IN OMX_PTR pEventData);
116
117    static OMX_ERRORTYPE OnEmptyBufferDone(
118            OMX_IN OMX_HANDLETYPE hComponent,
119            OMX_IN OMX_PTR pAppData,
120            OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
121
122    static OMX_ERRORTYPE OnFillBufferDone(
123            OMX_IN OMX_HANDLETYPE hComponent,
124            OMX_IN OMX_PTR pAppData,
125            OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
126
127    OMXNodeInstance(const OMXNodeInstance &);
128    OMXNodeInstance &operator=(const OMXNodeInstance &);
129};
130
131}  // namespace android
132
133#endif  // OMX_NODE_INSTANCE_H_
134