| /****************************************************************************** |
| * |
| * Copyright (C) 1999-2012 Broadcom Corporation |
| * |
| * 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 _SBC_IF_H |
| #define _SBC_IF_H |
| |
| #define PCM_BUFFER_SIZE 512 |
| |
| /* |
| SBC_Init - called once for each track played |
| |
| pcm_sample_freq - 4000 to 48000 |
| channels - 1 mono 2 stereo |
| bits_per_sample - 8 or 16 |
| return - 0 sucess |
| */ |
| |
| int SBC_init(int pcm_sample_freq, int channels, int bits_per_sample); |
| |
| /* |
| SBC_write - called repeatedly with pcm_in pointer |
| increasing by length until track is finished. |
| |
| pcm_in - pointer to PCM buffer |
| length - any |
| sbc_out - pointer to SBC output buffer |
| return - number of bytes written to sbc_out |
| */ |
| |
| int SBC_write(unsigned char* pcm_in, int length, unsigned char* sbc_out); |
| |
| #endif |
