1 /* 2 * Copyright (C) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef TELEPHONY_AUDIO_PLAYER_H 17 #define TELEPHONY_AUDIO_PLAYER_H 18 #include <cstdint> 19 #include <string> 20 21 #include "audio_capturer.h" 22 #include "audio_renderer.h" 23 #include "ringtone_player.h" 24 #include "system_sound_manager.h" 25 26 namespace OHOS { 27 namespace Telephony { 28 enum PlayerType { 29 TYPE_RING = 0, 30 TYPE_TONE, 31 TYPE_DTMF, 32 TYPE_SOUND, 33 }; 34 35 struct wav_hdr { 36 /* RIFF Chunk Descriptor */ 37 uint8_t RIFF[4] = {'R', 'I', 'F', 'F'}; // RIFF Header Magic header 38 uint32_t ChunkSize = 0; // RIFF Chunk Size 39 uint8_t WAVE[4] = {'W', 'A', 'V', 'E'}; // WAVE Header 40 /* "fmt" sub-chunk */ 41 uint8_t fmt[4] = {'f', 'm', 't', ' '}; // FMT header 42 uint32_t Subchunk1Size = 16; // Size of the fmt chunk 43 uint16_t AudioFormat = 1; // Audio format 1=PCM 44 uint16_t NumOfChan = 2; // Number of channels 1=Mono 2=Stereo 45 uint32_t SamplesPerSec = 44100; // Sampling Frequency in Hz 46 uint32_t bytesPerSec = 176400; // bytes per second 47 uint16_t blockAlign = 4; // 2=16-bit mono, 4=16-bit stereo 48 /* "INFO" sub-chunk */ 49 uint16_t SubchunkInfo1 = 16; 50 uint8_t LISTB[5] = {'L', 'I', 'S', 'T', 'B'}; 51 uint16_t SubchunkInfo2 = 0; 52 uint8_t SubchunkInfo3 = 0; 53 uint8_t INFOICRD[8] = {'I', 'N', 'F', 'O', 'I', 'C', 'R', 'D'}; 54 uint32_t SubchunkInfo4 = 11; 55 uint8_t TIME[10] = {'2', '0', '2', '0', '-', '0', '9', '-', '0', '4'}; 56 uint16_t SubchunkInfo5 = 0; 57 uint8_t ISFT[4] = {'I', 'S', 'F', 'T'}; 58 uint32_t SubchunkInfo6 = 14; 59 uint8_t Lavf[18] = {'L', 'a', 'v', 'f', '5', '8', ' ', '7', '6', ' ', '1', '0', '0', ' ', 'I', 'T', 'C', 'H'}; 60 uint32_t SubchunkInfo7 = 12; 61 uint8_t Logic[12] = {'L', 'o', 'g', 'i', 'c', ' ', 'P', 'r', 'o', ' ', 'X', ' '}; 62 /* "data" sub-chunk */ 63 uint8_t Subchunk2ID[4] = {'d', 'a', 't', 'a'}; // "data" string 64 uint32_t Subchunk2Size = 0; // Sampled data length 65 }; 66 67 class AudioPlayer { 68 public: 69 AudioPlayer() = default; 70 ~AudioPlayer() = default; 71 bool InitRenderer(const wav_hdr &wavHeader, AudioStandard::AudioStreamType streamType); 72 bool InitRenderer(); 73 bool InitCapturer(); 74 int32_t Play(const std::string &path, AudioStandard::AudioStreamType streamType, PlayerType playerType); 75 int32_t Play(PlayerType playerType); 76 void ReleaseRenderer(); 77 void ReleaseCapturer(); 78 void SetStop(PlayerType playerType, bool state); 79 int32_t SetMute(); 80 void RegisterRingCallback(std::shared_ptr<Media::RingtonePlayer> &RingtonePlayer); 81 82 private: 83 class CallAudioRendererCallback : public AudioStandard::AudioRendererCallback { 84 public: 85 void OnInterrupt(const AudioStandard::InterruptEvent &interruptEvent) override; OnStateChange(const AudioStandard::RendererState state,const AudioStandard::StateChangeCmdType cmdType)86 void OnStateChange(const AudioStandard::RendererState state, 87 const AudioStandard::StateChangeCmdType cmdType) override {} 88 }; 89 class RingCallback : public Media::RingtonePlayerInterruptCallback { 90 public: 91 void OnInterrupt(const AudioStandard::InterruptEvent &interruptEvent) override; 92 }; 93 94 private: 95 static constexpr uint16_t READ_SIZE = 1; 96 static constexpr uint16_t MIN_BYTES = 4; 97 static constexpr uint16_t RENDERER_FLAG = 0; 98 static constexpr uint16_t CAPTURER_FLAG = 0; 99 size_t bufferLen = 0; 100 bool isStop_ = false; 101 bool isRingStop_ = false; 102 bool isRenderInitialized_ = false; 103 bool isCapturerInitialized_ = false; 104 bool isToneStop_ = false; 105 bool isSoundStop_ = false; 106 std::shared_ptr<AudioStandard::AudioRendererCallback> callback_ = nullptr; 107 std::shared_ptr<Media::RingtonePlayerInterruptCallback> ringCallback_ = nullptr; 108 bool IsStop(PlayerType playerType); 109 std::unique_ptr<AudioStandard::AudioRenderer> audioRenderer_ = nullptr; 110 std::unique_ptr<AudioStandard::AudioCapturer> audioCapturer_ = nullptr; 111 bool GetRealPath(const std::string &profilePath, std::string &realPath); 112 }; 113 } // namespace Telephony 114 } // namespace OHOS 115 116 #endif // TELEPHONY_AUDIO_PLAYER_H 117