OMX.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 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 enableGraphicBuffers(
63            node_id node, OMX_U32 port_index, OMX_BOOL enable);
64
65    virtual status_t useBuffer(
66            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
67            buffer_id *buffer);
68
69    virtual status_t useGraphicBuffer(
70            node_id node, OMX_U32 port_index,
71            const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer);
72
73    virtual status_t allocateBuffer(
74            node_id node, OMX_U32 port_index, size_t size,
75            buffer_id *buffer, void **buffer_data);
76
77    virtual status_t allocateBufferWithBackup(
78            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
79            buffer_id *buffer);
80
81    virtual status_t freeBuffer(
82            node_id node, OMX_U32 port_index, buffer_id buffer);
83
84    virtual status_t fillBuffer(node_id node, buffer_id buffer);
85
86    virtual status_t emptyBuffer(
87            node_id node,
88            buffer_id buffer,
89            OMX_U32 range_offset, OMX_U32 range_length,
90            OMX_U32 flags, OMX_TICKS timestamp);
91
92    virtual status_t getExtensionIndex(
93            node_id node,
94            const char *parameter_name,
95            OMX_INDEXTYPE *index);
96
97    virtual sp<IOMXRenderer> createRenderer(
98            const sp<ISurface> &surface,
99            const char *componentName,
100            OMX_COLOR_FORMATTYPE colorFormat,
101            size_t encodedWidth, size_t encodedHeight,
102            size_t displayWidth, size_t displayHeight);
103
104    virtual void binderDied(const wp<IBinder> &the_late_who);
105
106    OMX_ERRORTYPE OnEvent(
107            node_id node,
108            OMX_IN OMX_EVENTTYPE eEvent,
109            OMX_IN OMX_U32 nData1,
110            OMX_IN OMX_U32 nData2,
111            OMX_IN OMX_PTR pEventData);
112
113    OMX_ERRORTYPE OnEmptyBufferDone(
114            node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
115
116    OMX_ERRORTYPE OnFillBufferDone(
117            node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
118
119    void invalidateNodeID(node_id node);
120
121protected:
122    virtual ~OMX();
123
124private:
125    struct CallbackDispatcher;
126
127    Mutex mLock;
128    OMXMaster *mMaster;
129    int32_t mNodeCounter;
130
131    KeyedVector<wp<IBinder>, OMXNodeInstance *> mLiveNodes;
132    KeyedVector<node_id, OMXNodeInstance *> mNodeIDToInstance;
133    KeyedVector<node_id, sp<CallbackDispatcher> > mDispatchers;
134
135    node_id makeNodeID(OMXNodeInstance *instance);
136    OMXNodeInstance *findInstance(node_id node);
137    sp<CallbackDispatcher> findDispatcher(node_id node);
138
139    void invalidateNodeID_l(node_id node);
140
141    OMX(const OMX &);
142    OMX &operator=(const OMX &);
143};
144
145}  // namespace android
146
147#endif  // ANDROID_OMX_H_
148