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
44private:
45    enum {
46        kNumBuffers             = 4,
47        kSampleRateNB           = 8000,
48        kSampleRateWB           = 16000,
49        kNumSamplesPerFrameNB   = 160,
50        kNumSamplesPerFrameWB   = 320,
51    };
52
53    enum {
54        MODE_NARROW,
55        MODE_WIDE
56
57    } mMode;
58
59    void *mState;
60    void *mDecoderBuf;
61    int16_t *mDecoderCookie;
62
63    size_t mInputBufferCount;
64    int64_t mAnchorTimeUs;
65    int64_t mNumSamplesOutput;
66
67    bool mSignalledError;
68
69    enum {
70        NONE,
71        AWAITING_DISABLED,
72        AWAITING_ENABLED
73    } mOutputPortSettingsChange;
74
75    int16_t mInputSampleBuffer[477];
76
77    void initPorts();
78    status_t initDecoder();
79    bool isConfigured() const;
80
81    DISALLOW_EVIL_CONSTRUCTORS(SoftAMR);
82};
83
84}  // namespace android
85
86#endif  // SOFT_AMR_H_
87
88