| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SOFT_FLAC_DECODER_H |
| #define SOFT_FLAC_DECODER_H |
| |
| #include "FLACDecoder.h" |
| #include <media/stagefright/omx/SimpleSoftOMXComponent.h> |
| |
| namespace android { |
| |
| struct SoftFlacDecoder : public SimpleSoftOMXComponent { |
| SoftFlacDecoder(const char *name, |
| const OMX_CALLBACKTYPE *callbacks, |
| OMX_PTR appData, |
| OMX_COMPONENTTYPE **component); |
| |
| virtual OMX_ERRORTYPE initCheck() const override; |
| |
| protected: |
| virtual ~SoftFlacDecoder(); |
| |
| virtual OMX_ERRORTYPE internalGetParameter( |
| OMX_INDEXTYPE index, OMX_PTR params) override; |
| |
| virtual OMX_ERRORTYPE internalSetParameter( |
| OMX_INDEXTYPE index, const OMX_PTR params) override; |
| |
| virtual void onQueueFilled(OMX_U32 portIndex); |
| virtual void onPortFlushCompleted(OMX_U32 portIndex) override; |
| virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled) override; |
| virtual void onReset() override; |
| |
| private: |
| static constexpr unsigned int kNumSamplesPerFrame = 2048; // adjusted based on stream. |
| |
| enum { |
| kNumInputBuffers = 4, |
| kNumOutputBuffers = 4, |
| }; |
| OMX_NUMERICALDATATYPE mNumericalData = OMX_NumericalDataSigned; |
| OMX_U32 mBitsPerSample = 16; |
| |
| FLACDecoder *mFLACDecoder; |
| FLAC__StreamMetadata_StreamInfo mStreamInfo; |
| size_t mInputBufferCount; |
| bool mHasStreamInfo; |
| bool mSignalledError; |
| bool mSawInputEOS; |
| bool mFinishedDecoder; |
| |
| enum { |
| NONE, |
| AWAITING_DISABLED, |
| AWAITING_ENABLED |
| } mOutputPortSettingsChange; |
| |
| void initPorts(); |
| void initDecoder(); |
| bool isConfigured() const; |
| void drainDecoder(); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(SoftFlacDecoder); |
| }; |
| |
| } // namespace android |
| |
| #endif // SOFT_FLAC_DECODER_H |