1 /* 2 * Copyright 2017 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 #ifndef AAUDIO_STREAM_PARAMETERS_H 18 #define AAUDIO_STREAM_PARAMETERS_H 19 20 #include <stdint.h> 21 22 #include <aaudio/AAudio.h> 23 #include <utility/AAudioUtilities.h> 24 25 namespace aaudio { 26 27 class AAudioStreamParameters { 28 public: 29 AAudioStreamParameters(); 30 virtual ~AAudioStreamParameters(); 31 getDeviceId()32 int32_t getDeviceId() const { 33 return mDeviceId; 34 } 35 setDeviceId(int32_t deviceId)36 void setDeviceId(int32_t deviceId) { 37 mDeviceId = deviceId; 38 } 39 getSampleRate()40 int32_t getSampleRate() const { 41 return mSampleRate; 42 } 43 setSampleRate(int32_t sampleRate)44 void setSampleRate(int32_t sampleRate) { 45 mSampleRate = sampleRate; 46 } 47 getSamplesPerFrame()48 int32_t getSamplesPerFrame() const { 49 return mSamplesPerFrame; 50 } 51 52 /** 53 * This is also known as channelCount. 54 */ setSamplesPerFrame(int32_t samplesPerFrame)55 void setSamplesPerFrame(int32_t samplesPerFrame) { 56 mSamplesPerFrame = samplesPerFrame; 57 } 58 getFormat()59 aaudio_format_t getFormat() const { 60 return mAudioFormat; 61 } 62 setFormat(aaudio_format_t audioFormat)63 void setFormat(aaudio_format_t audioFormat) { 64 mAudioFormat = audioFormat; 65 } 66 getSharingMode()67 aaudio_sharing_mode_t getSharingMode() const { 68 return mSharingMode; 69 } 70 setSharingMode(aaudio_sharing_mode_t sharingMode)71 void setSharingMode(aaudio_sharing_mode_t sharingMode) { 72 mSharingMode = sharingMode; 73 } 74 getBufferCapacity()75 int32_t getBufferCapacity() const { 76 return mBufferCapacity; 77 } 78 setBufferCapacity(int32_t frames)79 void setBufferCapacity(int32_t frames) { 80 mBufferCapacity = frames; 81 } 82 getDirection()83 aaudio_direction_t getDirection() const { 84 return mDirection; 85 } 86 setDirection(aaudio_direction_t direction)87 void setDirection(aaudio_direction_t direction) { 88 mDirection = direction; 89 } 90 calculateBytesPerFrame()91 int32_t calculateBytesPerFrame() const { 92 return getSamplesPerFrame() * AAudioConvert_formatToSizeInBytes(getFormat()); 93 } 94 95 /** 96 * Copy variables defined in other AAudioStreamParameters instance to this one. 97 * @param other 98 */ 99 void copyFrom(const AAudioStreamParameters &other); 100 101 virtual aaudio_result_t validate() const; 102 103 void dump() const; 104 105 private: 106 int32_t mSamplesPerFrame = AAUDIO_UNSPECIFIED; 107 int32_t mSampleRate = AAUDIO_UNSPECIFIED; 108 int32_t mDeviceId = AAUDIO_UNSPECIFIED; 109 aaudio_sharing_mode_t mSharingMode = AAUDIO_SHARING_MODE_SHARED; 110 aaudio_format_t mAudioFormat = AAUDIO_FORMAT_UNSPECIFIED; 111 aaudio_direction_t mDirection = AAUDIO_DIRECTION_OUTPUT; 112 int32_t mBufferCapacity = AAUDIO_UNSPECIFIED; 113 }; 114 115 } /* namespace aaudio */ 116 117 #endif //AAUDIO_STREAM_PARAMETERS_H 118