| /* |
| * Copyright (C) 2010 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 AAC_ENCODER_H |
| #define AAC_ENCODER_H |
| |
| #include <media/stagefright/MediaSource.h> |
| #include <media/stagefright/MetaData.h> |
| |
| struct VO_AUDIO_CODECAPI; |
| struct VO_MEM_OPERATOR; |
| |
| namespace android { |
| |
| struct MediaBufferGroup; |
| |
| class AACEncoder: public MediaSource { |
| public: |
| AACEncoder(const sp<MediaSource> &source, const sp<MetaData> &meta); |
| |
| virtual status_t start(MetaData *params); |
| virtual status_t stop(); |
| virtual sp<MetaData> getFormat(); |
| virtual status_t read( |
| MediaBuffer **buffer, const ReadOptions *options); |
| |
| |
| protected: |
| virtual ~AACEncoder(); |
| |
| private: |
| sp<MediaSource> mSource; |
| sp<MetaData> mMeta; |
| bool mStarted; |
| MediaBufferGroup *mBufferGroup; |
| MediaBuffer *mInputBuffer; |
| status_t mInitCheck; |
| int32_t mSampleRate; |
| int32_t mChannels; |
| int32_t mBitRate; |
| int32_t mFrameCount; |
| |
| int64_t mAnchorTimeUs; |
| int64_t mNumInputSamples; |
| |
| enum { |
| kNumSamplesPerFrame = 1024, |
| }; |
| |
| int16_t *mInputFrame; |
| |
| uint8_t mAudioSpecificConfigData[2]; // auido specific data |
| void *mEncoderHandle; |
| VO_AUDIO_CODECAPI *mApiHandle; |
| VO_MEM_OPERATOR *mMemOperator; |
| |
| status_t setAudioSpecificConfigData(); |
| status_t initCheck(); |
| |
| AACEncoder& operator=(const AACEncoder &rhs); |
| AACEncoder(const AACEncoder& copy); |
| |
| }; |
| |
| } |
| |
| #endif //#ifndef AAC_ENCODER_H |
| |