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_VORBIS_DEC_H_
18#define ANDROID_C2_SOFT_VORBIS_DEC_H_
19
20#include <SimpleC2Component.h>
21
22
23struct vorbis_dsp_state;
24struct vorbis_info;
25
26namespace android {
27
28struct C2SoftVorbisDec : public SimpleC2Component {
29    class IntfImpl;
30
31    C2SoftVorbisDec(const char *name, c2_node_id_t id,
32                 const std::shared_ptr<IntfImpl> &intfImpl);
33    virtual ~C2SoftVorbisDec();
34
35    // From SimpleC2Component
36    c2_status_t onInit() override;
37    c2_status_t onStop() override;
38    void onReset() override;
39    void onRelease() override;
40    c2_status_t onFlush_sm() override;
41    void process(
42            const std::unique_ptr<C2Work> &work,
43            const std::shared_ptr<C2BlockPool> &pool) override;
44    c2_status_t drain(
45            uint32_t drainMode,
46            const std::shared_ptr<C2BlockPool> &pool) override;
47
48 private:
49    enum {
50        kMaxNumSamplesPerChannel = 8192,
51    };
52
53    std::shared_ptr<IntfImpl> mIntf;
54    vorbis_dsp_state *mState;
55    vorbis_info *mVi;
56
57    int32_t mNumFramesLeftOnPage;
58    bool mSignalledError;
59    bool mSignalledOutputEos;
60    bool mInfoUnpacked;
61    bool mBooksUnpacked;
62    status_t initDecoder();
63
64    C2_DO_NOT_COPY(C2SoftVorbisDec);
65};
66
67}  // namespace android
68
69#endif  // ANDROID_C2_SOFT_VORBIS_DEC_H_
70
71