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/*
* Copyrightm (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.
*/
#include <stdint.h>
#ifndef __AUDIO_CODEC_H__
#define __AUDIO_CODEC_H__
class AudioCodec
{
public:
const char *name;
// Needed by destruction through base class pointers.
virtual ~AudioCodec() {}
// Returns sampleCount or non-positive value if unsupported.
virtual int set(int sampleRate, const char *fmtp) = 0;
// Returns the length of payload in bytes.
virtual int encode(void *payload, int16_t *samples) = 0;
// Returns the number of decoded samples.
virtual int decode(int16_t *samples, int count, void *payload, int length) = 0;
};
AudioCodec *newAudioCodec(const char *codecName);
#endif
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