OMXNodeInstance.h revision f779bb50d9746d9526541c3e6dcdf619cac941b7 
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;
30struct GraphicBufferSource;
31
32struct OMXNodeInstance {
33    OMXNodeInstance(
34            OMX *owner, const sp<IOMXObserver> &observer);
35
36    void setHandle(OMX::node_id node_id, OMX_HANDLETYPE handle);
37
38    OMX *owner();
39    sp<IOMXObserver> observer();
40    OMX::node_id nodeID();
41
42    status_t freeNode(OMXMaster *master);
43
44    status_t sendCommand(OMX_COMMANDTYPE cmd, OMX_S32 param);
45    status_t getParameter(OMX_INDEXTYPE index, void *params, size_t size);
46
47    status_t setParameter(
48            OMX_INDEXTYPE index, const void *params, size_t size);
49
50    status_t getConfig(OMX_INDEXTYPE index, void *params, size_t size);
51    status_t setConfig(OMX_INDEXTYPE index, const void *params, size_t size);
52
53    status_t getState(OMX_STATETYPE* state);
54
55    status_t enableGraphicBuffers(OMX_U32 portIndex, OMX_BOOL enable);
56
57    status_t getGraphicBufferUsage(OMX_U32 portIndex, OMX_U32* usage);
58
59    status_t storeMetaDataInBuffers(OMX_U32 portIndex, OMX_BOOL enable);
60
61    status_t useBuffer(
62            OMX_U32 portIndex, const sp<IMemory> &params,
63            OMX::buffer_id *buffer);
64
65    status_t useGraphicBuffer(
66            OMX_U32 portIndex, const sp<GraphicBuffer> &graphicBuffer,
67            OMX::buffer_id *buffer);
68
69    status_t createInputSurface(
70            OMX_U32 portIndex, sp<IGraphicBufferProducer> *bufferProducer);
71
72    status_t signalEndOfInputStream();
73
74    status_t allocateBuffer(
75            OMX_U32 portIndex, size_t size, OMX::buffer_id *buffer,
76            void **buffer_data);
77
78    status_t allocateBufferWithBackup(
79            OMX_U32 portIndex, const sp<IMemory> &params,
80            OMX::buffer_id *buffer);
81
82    status_t freeBuffer(OMX_U32 portIndex, OMX::buffer_id buffer);
83
84    status_t fillBuffer(OMX::buffer_id buffer);
85
86    status_t emptyBuffer(
87            OMX::buffer_id buffer,
88            OMX_U32 rangeOffset, OMX_U32 rangeLength,
89            OMX_U32 flags, OMX_TICKS timestamp);
90
91    status_t emptyDirectBuffer(
92            OMX_BUFFERHEADERTYPE *header,
93            OMX_U32 rangeOffset, OMX_U32 rangeLength,
94            OMX_U32 flags, OMX_TICKS timestamp);
95
96    status_t getExtensionIndex(
97            const char *parameterName, OMX_INDEXTYPE *index);
98
99    void onMessage(const omx_message &msg);
100    void onObserverDied(OMXMaster *master);
101    void onGetHandleFailed();
102    void onEvent(OMX_EVENTTYPE event, OMX_U32 arg1, OMX_U32 arg2);
103
104    static OMX_CALLBACKTYPE kCallbacks;
105
106private:
107    Mutex mLock;
108
109    OMX *mOwner;
110    OMX::node_id mNodeID;
111    OMX_HANDLETYPE mHandle;
112    sp<IOMXObserver> mObserver;
113    bool mDying;
114
115    // Lock only covers mGraphicBufferSource.  We can't always use mLock
116    // because of rare instances where we'd end up locking it recursively.
117    Mutex mGraphicBufferSourceLock;
118    // Access this through getGraphicBufferSource().
119    sp<GraphicBufferSource> mGraphicBufferSource;
120
121
122    struct ActiveBuffer {
123        OMX_U32 mPortIndex;
124        OMX::buffer_id mID;
125    };
126    Vector<ActiveBuffer> mActiveBuffers;
127
128    ~OMXNodeInstance();
129
130    void addActiveBuffer(OMX_U32 portIndex, OMX::buffer_id id);
131    void removeActiveBuffer(OMX_U32 portIndex, OMX::buffer_id id);
132    void freeActiveBuffers();
133    status_t useGraphicBuffer2_l(
134            OMX_U32 portIndex, const sp<GraphicBuffer> &graphicBuffer,
135            OMX::buffer_id *buffer);
136    static OMX_ERRORTYPE OnEvent(
137            OMX_IN OMX_HANDLETYPE hComponent,
138            OMX_IN OMX_PTR pAppData,
139            OMX_IN OMX_EVENTTYPE eEvent,
140            OMX_IN OMX_U32 nData1,
141            OMX_IN OMX_U32 nData2,
142            OMX_IN OMX_PTR pEventData);
143
144    static OMX_ERRORTYPE OnEmptyBufferDone(
145            OMX_IN OMX_HANDLETYPE hComponent,
146            OMX_IN OMX_PTR pAppData,
147            OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
148
149    static OMX_ERRORTYPE OnFillBufferDone(
150            OMX_IN OMX_HANDLETYPE hComponent,
151            OMX_IN OMX_PTR pAppData,
152            OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
153
154    status_t storeMetaDataInBuffers_l(OMX_U32 portIndex, OMX_BOOL enable);
155
156    sp<GraphicBufferSource> getGraphicBufferSource();
157    void setGraphicBufferSource(const sp<GraphicBufferSource>& bufferSource);
158
159    OMXNodeInstance(const OMXNodeInstance &);
160    OMXNodeInstance &operator=(const OMXNodeInstance &);
161};
162
163}  // namespace android
164
165#endif  // OMX_NODE_INSTANCE_H_
166