| /* |
| * 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, void *payload, int length) = 0; |
| }; |
| |
| AudioCodec *newAudioCodec(const char *codecName); |
| |
| #endif |