1/*
2 * Copyright (C) 2018 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_C2_SOFT_FLAC_DEC_H_
18#define ANDROID_C2_SOFT_FLAC_DEC_H_
19
20#include <SimpleC2Component.h>
21
22#include "FLACDecoder.h"
23
24namespace android {
25
26struct C2SoftFlacDec : public SimpleC2Component {
27    class IntfImpl;
28
29    C2SoftFlacDec(const char *name, c2_node_id_t id,
30                      const std::shared_ptr<IntfImpl> &intfImpl);
31    virtual ~C2SoftFlacDec();
32
33    // From SimpleC2Component
34    c2_status_t onInit() override;
35    c2_status_t onStop() override;
36    void onReset() override;
37    void onRelease() override;
38    c2_status_t onFlush_sm() override;
39    void process(
40            const std::unique_ptr<C2Work> &work,
41            const std::shared_ptr<C2BlockPool> &pool) override;
42    c2_status_t drain(
43            uint32_t drainMode,
44            const std::shared_ptr<C2BlockPool> &pool) override;
45
46private:
47    enum {
48        kMaxBlockSize   = 4096
49    };
50
51    std::shared_ptr<IntfImpl> mIntf;
52    FLACDecoder *mFLACDecoder;
53    FLAC__StreamMetadata_StreamInfo mStreamInfo;
54    bool mSignalledError;
55    bool mSignalledOutputEos;
56    bool mHasStreamInfo;
57    size_t mInputBufferCount;
58
59    status_t initDecoder();
60
61    C2_DO_NOT_COPY(C2SoftFlacDec);
62};
63
64}  // namespace android
65
66#endif  // ANDROID_C2_SOFT_FLAC_DEC_H_
67