1/*
2 * Copyright (C) 2011 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 SOFT_AMR_H_
18
19#define SOFT_AMR_H_
20
21#include "SimpleSoftOMXComponent.h"
22
23namespace android {
24
25struct SoftAMR : public SimpleSoftOMXComponent {
26    SoftAMR(const char *name,
27            const OMX_CALLBACKTYPE *callbacks,
28            OMX_PTR appData,
29            OMX_COMPONENTTYPE **component);
30
31protected:
32    virtual ~SoftAMR();
33
34    virtual OMX_ERRORTYPE internalGetParameter(
35            OMX_INDEXTYPE index, OMX_PTR params);
36
37    virtual OMX_ERRORTYPE internalSetParameter(
38            OMX_INDEXTYPE index, const OMX_PTR params);
39
40    virtual void onQueueFilled(OMX_U32 portIndex);
41    virtual void onPortFlushCompleted(OMX_U32 portIndex);
42    virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled);
43    virtual void onReset();
44
45private:
46    enum {
47        kNumBuffers             = 4,
48        kSampleRateNB           = 8000,
49        kSampleRateWB           = 16000,
50        kNumSamplesPerFrameNB   = 160,
51        kNumSamplesPerFrameWB   = 320,
52    };
53
54    enum {
55        MODE_NARROW,
56        MODE_WIDE
57
58    } mMode;
59
60    void *mState;
61    void *mDecoderBuf;
62    int16_t *mDecoderCookie;
63
64    size_t mInputBufferCount;
65    int64_t mAnchorTimeUs;
66    int64_t mNumSamplesOutput;
67
68    bool mSignalledError;
69
70    enum {
71        NONE,
72        AWAITING_DISABLED,
73        AWAITING_ENABLED
74    } mOutputPortSettingsChange;
75
76    int16_t mInputSampleBuffer[477];
77
78    void initPorts();
79    status_t initDecoder();
80    bool isConfigured() const;
81
82    DISALLOW_EVIL_CONSTRUCTORS(SoftAMR);
83};
84
85}  // namespace android
86
87#endif  // SOFT_AMR_H_
88
89