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
26class OMXNodeInstance;
27
28class OMX : public BnOMX,
29            public IBinder::DeathRecipient {
30public:
31    OMX();
32
33    virtual status_t listNodes(List<String8> *list);
34
35    virtual status_t allocateNode(
36            const char *name, const sp<IOMXObserver> &observer, node_id *node);
37
38    virtual status_t freeNode(node_id node);
39
40    virtual status_t sendCommand(
41            node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param);
42
43    virtual status_t getParameter(
44            node_id node, OMX_INDEXTYPE index,
45            void *params, size_t size);
46
47    virtual status_t setParameter(
48            node_id node, OMX_INDEXTYPE index,
49            const void *params, size_t size);
50
51    virtual status_t getConfig(
52            node_id node, OMX_INDEXTYPE index,
53            void *params, size_t size);
54
55    virtual status_t setConfig(
56            node_id node, OMX_INDEXTYPE index,
57            const void *params, size_t size);
58
59    virtual status_t useBuffer(
60            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
61            buffer_id *buffer);
62
63    virtual status_t allocateBuffer(
64            node_id node, OMX_U32 port_index, size_t size,
65            buffer_id *buffer);
66
67    virtual status_t allocateBufferWithBackup(
68            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
69            buffer_id *buffer);
70
71    virtual status_t freeBuffer(
72            node_id node, OMX_U32 port_index, buffer_id buffer);
73
74    virtual status_t fillBuffer(node_id node, buffer_id buffer);
75
76    virtual status_t emptyBuffer(
77            node_id node,
78            buffer_id buffer,
79            OMX_U32 range_offset, OMX_U32 range_length,
80            OMX_U32 flags, OMX_TICKS timestamp);
81
82    virtual status_t getExtensionIndex(
83            node_id node,
84            const char *parameter_name,
85            OMX_INDEXTYPE *index);
86
87    virtual sp<IOMXRenderer> createRenderer(
88            const sp<ISurface> &surface,
89            const char *componentName,
90            OMX_COLOR_FORMATTYPE colorFormat,
91            size_t encodedWidth, size_t encodedHeight,
92            size_t displayWidth, size_t displayHeight);
93
94    virtual void binderDied(const wp<IBinder> &the_late_who);
95
96    OMX_ERRORTYPE OnEvent(
97            node_id node,
98            OMX_IN OMX_EVENTTYPE eEvent,
99            OMX_IN OMX_U32 nData1,
100            OMX_IN OMX_U32 nData2,
101            OMX_IN OMX_PTR pEventData);
102
103    OMX_ERRORTYPE OnEmptyBufferDone(
104            node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
105
106    OMX_ERRORTYPE OnFillBufferDone(
107            node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
108
109    void invalidateNodeID(node_id node);
110
111private:
112    Mutex mLock;
113
114    struct CallbackDispatcher;
115    sp<CallbackDispatcher> mDispatcher;
116
117    int32_t mNodeCounter;
118
119    KeyedVector<wp<IBinder>, OMXNodeInstance *> mLiveNodes;
120    KeyedVector<node_id, OMXNodeInstance *> mNodeIDToInstance;
121
122    node_id makeNodeID(OMXNodeInstance *instance);
123    OMXNodeInstance *findInstance(node_id node);
124
125    void invalidateNodeID_l(node_id node);
126
127    OMX(const OMX &);
128    OMX &operator=(const OMX &);
129};
130
131}  // namespace android
132
133#endif  // ANDROID_OMX_H_
134