| /* |
| * Copyright (C) 2011 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_G711_H_ |
| |
| #define SOFT_G711_H_ |
| |
| #include "SimpleSoftOMXComponent.h" |
| |
| namespace android { |
| |
| struct SoftG711 : public SimpleSoftOMXComponent { |
| SoftG711(const char *name, |
| const OMX_CALLBACKTYPE *callbacks, |
| OMX_PTR appData, |
| OMX_COMPONENTTYPE **component); |
| |
| protected: |
| virtual ~SoftG711(); |
| |
| 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); |
| |
| private: |
| enum { |
| kNumBuffers = 4, |
| kMaxNumSamplesPerFrame = 16384, |
| }; |
| |
| bool mIsMLaw; |
| bool mSignalledError; |
| OMX_U32 mNumChannels; |
| int32_t mSamplingRate; |
| |
| void initPorts(); |
| |
| static void DecodeALaw(int16_t *out, const uint8_t *in, size_t inSize); |
| static void DecodeMLaw(int16_t *out, const uint8_t *in, size_t inSize); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(SoftG711); |
| }; |
| |
| } // namespace android |
| |
| #endif // SOFT_G711_H_ |
| |