OMX.h revision 7eaa9c9385535b651064e02d05a8ffa4b2359281 
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 ANDROID_OMX_H_
18#define ANDROID_OMX_H_
19
20#include <media/IOMX.h>
21#include <utils/threads.h>
22#include <utils/KeyedVector.h>
23
24namespace android {
25
26struct OMXMaster;
27class OMXNodeInstance;
28
29class OMX : public BnOMX,
30            public IBinder::DeathRecipient {
31public:
32    OMX();
33
34    virtual bool livesLocally(pid_t pid);
35
36    virtual status_t listNodes(List<ComponentInfo> *list);
37
38    virtual status_t allocateNode(
39            const char *name, const sp<IOMXObserver> &observer, node_id *node);
40
41    virtual status_t freeNode(node_id node);
42
43    virtual status_t sendCommand(
44            node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param);
45
46    virtual status_t getParameter(
47            node_id node, OMX_INDEXTYPE index,
48            void *params, size_t size);
49
50    virtual status_t setParameter(
51            node_id node, OMX_INDEXTYPE index,
52            const void *params, size_t size);
53
54    virtual status_t getConfig(
55            node_id node, OMX_INDEXTYPE index,
56            void *params, size_t size);
57
58    virtual status_t setConfig(
59            node_id node, OMX_INDEXTYPE index,
60            const void *params, size_t size);
61
62    virtual status_t useBuffer(
63            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
64            buffer_id *buffer);
65
66    virtual status_t allocateBuffer(
67            node_id node, OMX_U32 port_index, size_t size,
68            buffer_id *buffer);
69
70    virtual status_t allocateBufferWithBackup(
71            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
72            buffer_id *buffer);
73
74    virtual status_t freeBuffer(
75            node_id node, OMX_U32 port_index, buffer_id buffer);
76
77    virtual status_t fillBuffer(node_id node, buffer_id buffer);
78
79    virtual status_t emptyBuffer(
80            node_id node,
81            buffer_id buffer,
82            OMX_U32 range_offset, OMX_U32 range_length,
83            OMX_U32 flags, OMX_TICKS timestamp);
84
85    virtual status_t getExtensionIndex(
86            node_id node,
87            const char *parameter_name,
88            OMX_INDEXTYPE *index);
89
90    virtual sp<IOMXRenderer> createRenderer(
91            const sp<ISurface> &surface,
92            const char *componentName,
93            OMX_COLOR_FORMATTYPE colorFormat,
94            size_t encodedWidth, size_t encodedHeight,
95            size_t displayWidth, size_t displayHeight);
96
97    virtual void binderDied(const wp<IBinder> &the_late_who);
98
99    OMX_ERRORTYPE OnEvent(
100            node_id node,
101            OMX_IN OMX_EVENTTYPE eEvent,
102            OMX_IN OMX_U32 nData1,
103            OMX_IN OMX_U32 nData2,
104            OMX_IN OMX_PTR pEventData);
105
106    OMX_ERRORTYPE OnEmptyBufferDone(
107            node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
108
109    OMX_ERRORTYPE OnFillBufferDone(
110            node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
111
112    void invalidateNodeID(node_id node);
113
114protected:
115    virtual ~OMX();
116
117private:
118    Mutex mLock;
119
120    OMXMaster *mMaster;
121
122    struct CallbackDispatcher;
123    sp<CallbackDispatcher> mDispatcher;
124
125    int32_t mNodeCounter;
126
127    KeyedVector<wp<IBinder>, OMXNodeInstance *> mLiveNodes;
128    KeyedVector<node_id, OMXNodeInstance *> mNodeIDToInstance;
129
130    node_id makeNodeID(OMXNodeInstance *instance);
131    OMXNodeInstance *findInstance(node_id node);
132
133    void invalidateNodeID_l(node_id node);
134
135    OMX(const OMX &);
136    OMX &operator=(const OMX &);
137};
138
139}  // namespace android
140
141#endif  // ANDROID_OMX_H_
142