| Pawin Vongmasa | 3665390 | 2018-11-15 00:10:25 -0800 | [diff] [blame] | 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_MP3_DEC_H_ |
| 18 | #define ANDROID_C2_SOFT_MP3_DEC_H_ |
| 19 | |
| 20 | #include <SimpleC2Component.h> |
| 21 | |
| 22 | |
| 23 | struct tPVMP3DecoderExternal; |
| 24 | |
| 25 | bool parseMp3Header(uint32_t header, size_t *frame_size, |
| 26 | uint32_t *out_sampling_rate = nullptr, |
| 27 | uint32_t *out_channels = nullptr, |
| 28 | uint32_t *out_bitrate = nullptr, |
| 29 | uint32_t *out_num_samples = nullptr); |
| 30 | |
| 31 | namespace android { |
| 32 | |
| 33 | struct C2SoftMP3 : public SimpleC2Component { |
| 34 | class IntfImpl; |
| 35 | |
| 36 | C2SoftMP3(const char *name, c2_node_id_t id, |
| 37 | const std::shared_ptr<IntfImpl> &intfImpl); |
| 38 | virtual ~C2SoftMP3(); |
| 39 | |
| 40 | // From SimpleC2Component |
| 41 | c2_status_t onInit() override; |
| 42 | c2_status_t onStop() override; |
| 43 | void onReset() override; |
| 44 | void onRelease() override; |
| 45 | c2_status_t onFlush_sm() override; |
| 46 | void process( |
| 47 | const std::unique_ptr<C2Work> &work, |
| 48 | const std::shared_ptr<C2BlockPool> &pool) override; |
| 49 | c2_status_t drain( |
| 50 | uint32_t drainMode, |
| 51 | const std::shared_ptr<C2BlockPool> &pool) override; |
| 52 | |
| 53 | private: |
| 54 | enum { |
| 55 | kPVMP3DecoderDelay = 529 // samples |
| 56 | }; |
| 57 | |
| 58 | std::shared_ptr<IntfImpl> mIntf; |
| 59 | tPVMP3DecoderExternal *mConfig; |
| 60 | void *mDecoderBuf; |
| 61 | |
| 62 | bool mIsFirst; |
| 63 | bool mSignalledError; |
| 64 | bool mSignalledOutputEos; |
| 65 | bool mGaplessBytes; |
| 66 | uint64_t mAnchorTimeStamp; |
| 67 | uint64_t mProcessedSamples; |
| 68 | |
| 69 | status_t initDecoder(); |
| 70 | |
| 71 | C2_DO_NOT_COPY(C2SoftMP3); |
| 72 | }; |
| 73 | |
| 74 | } // namespace android |
| 75 | |
| 76 | #endif // ANDROID_C2_SOFT_MP3_DEC_H_ |