| /* |
| * Copyright (C) 2014 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. |
| */ |
| |
| /* |
| * The Opus specification is part of IETF RFC 6716: |
| * http://tools.ietf.org/html/rfc6716 |
| */ |
| |
| #ifndef SOFT_OPUS_H_ |
| |
| #define SOFT_OPUS_H_ |
| |
| #include "SimpleSoftOMXComponent.h" |
| |
| struct OpusMSDecoder; |
| |
| namespace android { |
| |
| struct OpusHeader { |
| int channels; |
| int skip_samples; |
| int channel_mapping; |
| int num_streams; |
| int num_coupled; |
| int16_t gain_db; |
| uint8_t stream_map[8]; |
| }; |
| |
| struct SoftOpus : public SimpleSoftOMXComponent { |
| SoftOpus(const char *name, |
| const OMX_CALLBACKTYPE *callbacks, |
| OMX_PTR appData, |
| OMX_COMPONENTTYPE **component); |
| |
| protected: |
| virtual ~SoftOpus(); |
| |
| virtual OMX_ERRORTYPE internalGetParameter( |
| OMX_INDEXTYPE index, OMX_PTR params); |
| |
| virtual OMX_ERRORTYPE internalSetParameter( |
| OMX_INDEXTYPE index, const OMX_PTR params); |
| |
| virtual void onQueueFilled(OMX_U32 portIndex); |
| virtual void onPortFlushCompleted(OMX_U32 portIndex); |
| virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled); |
| virtual void onReset(); |
| |
| private: |
| enum { |
| kNumBuffers = 4, |
| kMaxNumSamplesPerBuffer = 960 * 6 |
| }; |
| |
| size_t mInputBufferCount; |
| |
| OpusMSDecoder *mDecoder; |
| OpusHeader *mHeader; |
| |
| int64_t mCodecDelay; |
| int64_t mSeekPreRoll; |
| int64_t mSamplesToDiscard; |
| int64_t mAnchorTimeUs; |
| int64_t mNumFramesOutput; |
| |
| enum { |
| NONE, |
| AWAITING_DISABLED, |
| AWAITING_ENABLED |
| } mOutputPortSettingsChange; |
| |
| void initPorts(); |
| status_t initDecoder(); |
| bool isConfigured() const; |
| |
| DISALLOW_EVIL_CONSTRUCTORS(SoftOpus); |
| }; |
| |
| } // namespace android |
| |
| #endif // SOFT_OPUS_H_ |