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/*
* 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 G711_DECODER_H_
#define G711_DECODER_H_
#include <media/stagefright/MediaSource.h>
namespace android {
struct MediaBufferGroup;
struct G711Decoder : public MediaSource {
G711Decoder(const sp<MediaSource> &source);
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 ~G711Decoder();
private:
sp<MediaSource> mSource;
bool mStarted;
bool mIsMLaw;
MediaBufferGroup *mBufferGroup;
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);
G711Decoder(const G711Decoder &);
G711Decoder &operator=(const G711Decoder &);
};
} // namespace android
#endif // G711_DECODER_H_
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