adk-stack/adapter/Audio.c

   1 /*
   2  * Copyright (C) 2012 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 #define ADK_INTERNAL
  17 #include "fwk.h"
  18 #include "Audio.h"
  19 #include "coop.h"
  20
  21 #include "msi.h"
  22
  23
  24 #define DEFAULT_AUDIO_SAMPLERATE 44100
  25
  26
  27 void audioInit(void)
  28 {
  29         msi_snd_init();
  30 }
  31
  32 void audioOn(int source, uint32_t samplerate)
  33 {
  34     msi_snd_set_format((uint32_t)samplerate, 16, 2);
  35     // todo add umute
  36 }
  37
  38 void audioOff(int source)
  39 {
  40         //to do add mute
  41 }
  42
  43 void audioDeinit(void)
  44 {
  45         msi_snd_deinit();
  46 }
  47
  48 void audioSetSample(int source, uint32_t samplerate)
  49 {
  50         //msi_snd_set_format((uint32_t)samplerate, 16, 2);
  51 }
  52
  53 void audioAddBuffer(int source, const uint16_t* samples, uint32_t numSamples)  /* call by BT */
  54 {
  55         msi_snd_write((uint_8 *)samples,numSamples);
  56 }
  57