39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
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/*
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* Copyrightm (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdint.h>
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#ifndef __AUDIO_CODEC_H__
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#define __AUDIO_CODEC_H__
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class AudioCodec
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{
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public:
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const char *name;
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// Needed by destruction through base class pointers.
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virtual ~AudioCodec() {}
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// Returns sampleCount or non-positive value if unsupported.
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virtual int set(int sampleRate, const char *fmtp) = 0;
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// Returns the length of payload in bytes.
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virtual int encode(void *payload, int16_t *samples) = 0;
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// Returns the number of decoded samples.
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virtual int decode(int16_t *samples, void *payload, int length) = 0;
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};
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AudioCodec *newAudioCodec(const char *codecName);
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#endif
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