1 /* 2 * Copyright (c) 2022 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 AUDIO_RENDERER_ADAPTER_IMPL_H 17 #define AUDIO_RENDERER_ADAPTER_IMPL_H 18 19 #include "audio_renderer_adapter.h" 20 21 #include "audio_renderer.h" 22 23 namespace OHOS::AVSession { 24 class AVSession; 25 }; 26 27 namespace OHOS::NWeb { 28 using namespace OHOS::AudioStandard; 29 30 class AudioRendererCallbackImpl : public AudioRendererCallback { 31 public: 32 AudioRendererCallbackImpl(std::shared_ptr<AudioRendererCallbackAdapter> cb); 33 34 ~AudioRendererCallbackImpl() override = default; 35 36 void OnInterrupt(const InterruptEvent &interruptEvent) override; 37 38 void OnStateChange(const RendererState state, const StateChangeCmdType cmdType = CMD_FROM_CLIENT) override; 39 40 private: 41 std::shared_ptr<AudioRendererCallbackAdapter> cb_ = nullptr; 42 }; 43 44 class AudioRendererAdapterImpl : public AudioRendererAdapter { 45 public: 46 AudioRendererAdapterImpl() = default; 47 48 ~AudioRendererAdapterImpl(); 49 50 int32_t Create(const AudioAdapterRendererOptions &rendererOptions, 51 std::string cachePath = std::string()) override; 52 53 bool Start() override; 54 55 bool Pause() override; 56 57 bool Stop() override; 58 59 bool Release() override; 60 61 int32_t Write(uint8_t *buffer, size_t bufferSize) override; 62 63 int32_t GetLatency(uint64_t &latency) const override; 64 65 int32_t SetVolume(float volume) const override; 66 67 float GetVolume() const override; 68 69 int32_t SetAudioRendererCallback(const std::shared_ptr<AudioRendererCallbackAdapter> &callback) override; 70 71 void SetInterruptMode(bool audioExclusive) override; 72 73 bool IsRendererStateRunning() override; 74 75 static AudioSamplingRate GetAudioSamplingRate(AudioAdapterSamplingRate samplingRate); 76 77 static AudioEncodingType GetAudioEncodingType(AudioAdapterEncodingType encodingType); 78 79 static AudioSampleFormat GetAudioSampleFormat(AudioAdapterSampleFormat sampleFormat); 80 81 static AudioChannel GetAudioChannel(AudioAdapterChannel channel); 82 83 static ContentType GetAudioContentType(AudioAdapterContentType contentType); 84 85 static StreamUsage GetAudioStreamUsage(AudioAdapterStreamUsage streamUsage); 86 87 private: 88 std::unique_ptr<AudioRenderer> audio_renderer_; 89 std::shared_ptr<AudioRendererCallbackImpl> callback_; 90 static std::shared_ptr<OHOS::AVSession::AVSession> avsession_; 91 }; 92 } // namespace OHOS::NWeb 93 94 #endif // AUDIO_RENDERER_ADAPTER_IMPL_H