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Diffstat (limited to 'media/libstagefright/include/AACEncoder.h')
-rw-r--r-- | media/libstagefright/include/AACEncoder.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/media/libstagefright/include/AACEncoder.h b/media/libstagefright/include/AACEncoder.h new file mode 100644 index 0000000..ecc533f --- /dev/null +++ b/media/libstagefright/include/AACEncoder.h @@ -0,0 +1,81 @@ +/* + * 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[kNumSamplesPerFrame]; + + 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 + |