1 /* 2 * Copyright (C) 2016 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 "OpenSLESUtils.h" 18 19 #include <SLES/OpenSLES.h> 20 #include <SLES/OpenSLES_Android.h> 21 22 /* 23 * OSLES Helpers 24 */ 25 static const char* errStrings[] = { 26 "SL_RESULT_SUCCESS", // 0) 27 "SL_RESULT_PRECONDITIONS_VIOLATE", // 1 28 "SL_RESULT_PARAMETER_INVALID", // 2 29 "SL_RESULT_MEMORY_FAILURE", // 3 30 "SL_RESULT_RESOURCE_ERROR", // 4 31 "SL_RESULT_RESOURCE_LOST", // 5 32 "SL_RESULT_IO_ERROR", // 6 33 "SL_RESULT_BUFFER_INSUFFICIENT", // 7 34 "SL_RESULT_CONTENT_CORRUPTED", // 8 35 "SL_RESULT_CONTENT_UNSUPPORTED", // 9 36 "SL_RESULT_CONTENT_NOT_FOUND", // 10 37 "SL_RESULT_PERMISSION_DENIED", // 11 38 "SL_RESULT_FEATURE_UNSUPPORTED", // 12 39 "SL_RESULT_INTERNAL_ERROR", // 13 40 "SL_RESULT_UNKNOWN_ERROR", // 14 41 "SL_RESULT_OPERATION_ABORTED", // 15 42 "SL_RESULT_CONTROL_LOST" // 16 43 }; 44 45 const char * getSLErrStr(int code) { 46 return errStrings[code]; 47 } 48 49 // These will wind up in <SLES/OpenSLES_Android.h> 50 #define SL_ANDROID_SPEAKER_QUAD (SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT \ 51 | SL_SPEAKER_BACK_LEFT | SL_SPEAKER_BACK_RIGHT) 52 53 #define SL_ANDROID_SPEAKER_5DOT1 (SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT \ 54 | SL_SPEAKER_FRONT_CENTER | SL_SPEAKER_LOW_FREQUENCY| SL_SPEAKER_BACK_LEFT \ 55 | SL_SPEAKER_BACK_RIGHT) 56 57 #define SL_ANDROID_SPEAKER_7DOT1 (SL_ANDROID_SPEAKER_5DOT1 | SL_SPEAKER_SIDE_LEFT \ 58 |SL_SPEAKER_SIDE_RIGHT) 59 60 int chanCountToChanMask(int chanCount) { 61 int channelMask = 0; 62 63 switch (chanCount) { 64 case 1: 65 channelMask = SL_SPEAKER_FRONT_CENTER; 66 break; 67 68 case 2: 69 channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT; 70 break; 71 72 case 4: // Quad 73 channelMask = SL_ANDROID_SPEAKER_QUAD; 74 break; 75 76 case 6: // 5.1 77 channelMask = SL_ANDROID_SPEAKER_5DOT1; 78 break; 79 80 case 8: // 7.1 81 channelMask = SL_ANDROID_SPEAKER_7DOT1; 82 break; 83 } 84 return channelMask; 85 } 86
