Chia-chi Yeh | 4c5d28c | 2010-08-06 14:12:05 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyrightm (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <stdint.h> |
| 18 | |
| 19 | #ifndef __AUDIO_CODEC_H__ |
| 20 | #define __AUDIO_CODEC_H__ |
| 21 | |
| 22 | class AudioCodec |
| 23 | { |
| 24 | public: |
| 25 | virtual ~AudioCodec() {} |
| 26 | // Returns true if initialization succeeds. |
| 27 | virtual bool set(int sampleRate, int sampleCount) = 0; |
| 28 | // Returns the length of payload in bytes. |
| 29 | virtual int encode(void *payload, int16_t *samples) = 0; |
| 30 | // Returns the number of decoded samples. |
| 31 | virtual int decode(int16_t *samples, void *payload, int length) = 0; |
| 32 | }; |
| 33 | |
| 34 | AudioCodec *newAudioCodec(const char *codecName); |
| 35 | |
| 36 | #endif |