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_OPUS_DEC_H_ 18 #define ANDROID_C2_SOFT_OPUS_DEC_H_ 19 20 #include <SimpleC2Component.h> 21 22 23 struct OpusMSDecoder; 24 25 namespace android { 26 27 struct C2SoftOpusDec : public SimpleC2Component { 28 class IntfImpl; 29 30 C2SoftOpusDec(const char *name, c2_node_id_t id, 31 const std::shared_ptr<IntfImpl> &intfImpl); 32 virtual ~C2SoftOpusDec(); 33 34 // From SimpleC2Component 35 c2_status_t onInit() override; 36 c2_status_t onStop() override; 37 void onReset() override; 38 void onRelease() override; 39 c2_status_t onFlush_sm() override; 40 void process( 41 const std::unique_ptr<C2Work> &work, 42 const std::shared_ptr<C2BlockPool> &pool) override; 43 c2_status_t drain( 44 uint32_t drainMode, 45 const std::shared_ptr<C2BlockPool> &pool) override; 46 private: 47 enum { 48 kMaxNumSamplesPerBuffer = 960 * 6 49 }; 50 51 std::shared_ptr<IntfImpl> mIntf; 52 OpusMSDecoder *mDecoder; 53 OpusHeader mHeader; 54 55 int64_t mCodecDelay; 56 int64_t mSeekPreRoll; 57 int64_t mSamplesToDiscard; 58 size_t mInputBufferCount; 59 bool mSignalledError; 60 bool mSignalledOutputEos; 61 62 status_t initDecoder(); 63 64 C2_DO_NOT_COPY(C2SoftOpusDec); 65 }; 66 67 } // namespace android 68 69 #endif // ANDROID_C2_SOFT_OPUS_DEC_H_ 70