OMX.h revision e3ec3cec3a2e27033249ff82964d2cbd441d9873 
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 status_t listNodes(List<String8> *list);
35
36    virtual status_t allocateNode(
37            const char *name, const sp<IOMXObserver> &observer, node_id *node);
38
39    virtual status_t freeNode(node_id node);
40
41    virtual status_t sendCommand(
42            node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param);
43
44    virtual status_t getParameter(
45            node_id node, OMX_INDEXTYPE index,
46            void *params, size_t size);
47
48    virtual status_t setParameter(
49            node_id node, OMX_INDEXTYPE index,
50            const void *params, size_t size);
51
52    virtual status_t getConfig(
53            node_id node, OMX_INDEXTYPE index,
54            void *params, size_t size);
55
56    virtual status_t setConfig(
57            node_id node, OMX_INDEXTYPE index,
58            const void *params, size_t size);
59
60    virtual status_t useBuffer(
61            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
62            buffer_id *buffer);
63
64    virtual status_t allocateBuffer(
65            node_id node, OMX_U32 port_index, size_t size,
66            buffer_id *buffer);
67
68    virtual status_t allocateBufferWithBackup(
69            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
70            buffer_id *buffer);
71
72    virtual status_t freeBuffer(
73            node_id node, OMX_U32 port_index, buffer_id buffer);
74
75    virtual status_t fillBuffer(node_id node, buffer_id buffer);
76
77    virtual status_t emptyBuffer(
78            node_id node,
79            buffer_id buffer,
80            OMX_U32 range_offset, OMX_U32 range_length,
81            OMX_U32 flags, OMX_TICKS timestamp);
82
83    virtual status_t getExtensionIndex(
84            node_id node,
85            const char *parameter_name,
86            OMX_INDEXTYPE *index);
87
88    virtual sp<IOMXRenderer> createRenderer(
89            const sp<ISurface> &surface,
90            const char *componentName,
91            OMX_COLOR_FORMATTYPE colorFormat,
92            size_t encodedWidth, size_t encodedHeight,
93            size_t displayWidth, size_t displayHeight);
94
95    virtual void binderDied(const wp<IBinder> &the_late_who);
96
97    OMX_ERRORTYPE OnEvent(
98            node_id node,
99            OMX_IN OMX_EVENTTYPE eEvent,
100            OMX_IN OMX_U32 nData1,
101            OMX_IN OMX_U32 nData2,
102            OMX_IN OMX_PTR pEventData);
103
104    OMX_ERRORTYPE OnEmptyBufferDone(
105            node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
106
107    OMX_ERRORTYPE OnFillBufferDone(
108            node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
109
110    void invalidateNodeID(node_id node);
111
112protected:
113    virtual ~OMX();
114
115private:
116    Mutex mLock;
117
118    OMXMaster *mMaster;
119
120    struct CallbackDispatcher;
121    sp<CallbackDispatcher> mDispatcher;
122
123    int32_t mNodeCounter;
124
125    KeyedVector<wp<IBinder>, OMXNodeInstance *> mLiveNodes;
126    KeyedVector<node_id, OMXNodeInstance *> mNodeIDToInstance;
127
128    node_id makeNodeID(OMXNodeInstance *instance);
129    OMXNodeInstance *findInstance(node_id node);
130
131    void invalidateNodeID_l(node_id node);
132
133    OMX(const OMX &);
134    OMX &operator=(const OMX &);
135};
136
137}  // namespace android
138
139#endif  // ANDROID_OMX_H_
140