1 /* 2 * Copyright (C) 2023 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 #ifndef CACHE_BUFFER_H 16 #define CACHE_BUFFER_H 17 18 #include <deque> 19 #include "audio_renderer.h" 20 #include "audio_info.h" 21 #include "audio_stream_info.h" 22 #include "audio_errors.h" 23 #include "isoundpool.h" 24 #include "media_description.h" 25 #include "cpp/mutex.h" 26 #include "media_dfx.h" 27 #include "thread_pool.h" 28 #include "audio_system_manager.h" 29 #include "soundpool_xcollie.h" 30 #include "stream_id_manager.h" 31 32 namespace OHOS { 33 namespace Media { 34 using namespace MediaAVCodec; 35 class StreamIDManager; 36 37 struct AudioBufferEntry { AudioBufferEntryAudioBufferEntry38 AudioBufferEntry(uint8_t *buf, int32_t length) : buffer(std::move(buf)), size(length) {} ~AudioBufferEntryAudioBufferEntry39 ~AudioBufferEntry() 40 { 41 if (buffer != nullptr) { 42 delete[] buffer; 43 buffer = nullptr; 44 } 45 } 46 uint8_t *buffer; 47 int32_t size; 48 }; 49 50 class CacheBuffer : 51 public AudioStandard::AudioRendererWriteCallback, 52 public AudioStandard::AudioRendererFirstFrameWritingCallback, 53 public AudioStandard::AudioRendererCallback, 54 public std::enable_shared_from_this<CacheBuffer> { 55 public: 56 CacheBuffer(const Format &trackFormat, const int32_t &soundID, const int32_t &streamID, 57 std::shared_ptr<ThreadPool> cacheBufferStopThreadPool); 58 ~CacheBuffer(); 59 void SetSoundData(const std::shared_ptr<AudioBufferEntry> &cacheData, const size_t &cacheDataTotalSize); 60 void SetManager(std::weak_ptr<OHOS::Media::StreamIDManager> streamIDManager); 61 void OnWriteData(size_t length) override; 62 void OnFirstFrameWriting(uint64_t latency) override; 63 void OnInterrupt(const AudioStandard::InterruptEvent &interruptEvent) override; 64 void OnStateChange(const AudioStandard::RendererState state, 65 const AudioStandard::StateChangeCmdType cmdType) override; 66 int32_t PreparePlay(const AudioStandard::AudioRendererInfo &audioRendererInfo, const PlayParams &playParams); 67 void GetAvailableAudioRenderer(const AudioStandard::AudioRendererInfo &audioRendererInfo, 68 const PlayParams &playParams); 69 int32_t DoPlay(const int32_t streamID); 70 int32_t Release(); 71 int32_t Stop(const int32_t streamID); 72 int32_t SetVolume(const int32_t streamID, const float leftVolume, const float rightVolume); 73 int32_t SetRate(const int32_t streamID, const AudioStandard::AudioRendererRate renderRate); 74 int32_t SetPriority(const int32_t streamID, const int32_t priority); 75 int32_t SetLoop(const int32_t streamID, const int32_t loop); 76 int32_t SetParallelPlayFlag(const int32_t streamID, const bool parallelPlayFlag); 77 int32_t SetCallback(const std::shared_ptr<ISoundPoolCallback> &callback); 78 int32_t SetCacheBufferCallback(const std::shared_ptr<ISoundPoolCallback> &callback); 79 int32_t SetFrameWriteCallback(const std::shared_ptr<ISoundPoolFrameWriteCallback> &callback); 80 void SetSourceDuration(int64_t durationMs); 81 IsRunning()82 bool IsRunning() const 83 { 84 return isRunning_.load(); 85 } GetSoundID()86 int32_t GetSoundID() const 87 { 88 return soundID_; 89 } GetStreamID()90 int32_t GetStreamID() const 91 { 92 return streamID_; 93 } GetPriority()94 int32_t GetPriority() const 95 { 96 return priority_; 97 } 98 99 private: 100 static constexpr int32_t NORMAL_PLAY_RENDERER_FLAGS = 0; 101 static constexpr int32_t LOW_LATENCY_PLAY_RENDERER_FLAGS = 1; 102 103 std::unique_ptr<AudioStandard::AudioRenderer> CreateAudioRenderer( 104 const AudioStandard::AudioRendererInfo &audioRendererInfo, const PlayParams &playParams); 105 void PrepareAudioRenderer(std::unique_ptr<AudioStandard::AudioRenderer> &audioRenderer); 106 void DealAudioRendererParams(AudioStandard::AudioRendererOptions &rendererOptions, 107 const AudioStandard::AudioRendererInfo &audioRendererInfo); 108 void DealPlayParamsBeforePlay(const PlayParams &playParams); 109 static AudioStandard::AudioRendererRate CheckAndAlignRendererRate(const int32_t rate); 110 void DealWriteData(size_t length); 111 bool IsAudioRendererCanMix(const AudioStandard::AudioRendererInfo &audioRendererInfo); 112 int32_t PreparePlayInner(const AudioStandard::AudioRendererInfo &audioRendererInfo, 113 const PlayParams &playParams); 114 int32_t GetGlobalId(int32_t soundID); 115 void DelGlobalId(int32_t globalId); 116 void SetGlobalId(int32_t soundID, int32_t globalId); 117 int32_t HandleRendererNotStart(const int32_t streamID); 118 void FadeInAudioBuffer(const AudioStandard::BufferDesc &bufDesc); 119 120 Format trackFormat_; 121 std::deque<std::shared_ptr<AudioBufferEntry>> cacheData_; 122 std::shared_ptr<AudioBufferEntry> fullCacheData_; 123 size_t cacheDataTotalSize_ = 0; 124 int32_t soundID_ = 0; 125 int32_t streamID_ = 0; 126 AudioStandard::AudioSampleFormat sampleFormat_ = AudioStandard::AudioSampleFormat::INVALID_WIDTH; 127 AudioStandard::AudioChannel audioChannel_ = AudioStandard::AudioChannel::MONO; 128 PlayParams playParameters_; 129 AudioStandard::AudioRendererInfo audioRendererInfo_; 130 131 // use for save audiobuffer 132 std::unique_ptr<AudioStandard::AudioRenderer> audioRenderer_; 133 std::atomic<bool> isRunning_ = false; 134 std::atomic<bool> isReadyToStopAudioRenderer_ = false; 135 std::shared_ptr<ISoundPoolCallback> callback_ = nullptr; 136 std::shared_ptr<ISoundPoolCallback> cacheBufferCallback_ = nullptr; 137 std::shared_ptr<ISoundPoolFrameWriteCallback> frameWriteCallback_ = nullptr; 138 ffrt::mutex cacheBufferLock_; 139 std::weak_ptr<ThreadPool> cacheBufferStopThreadPool_; 140 std::weak_ptr<OHOS::Media::StreamIDManager> manager_; 141 142 int32_t loop_ = 0; 143 int32_t priority_ = 0; 144 int32_t rendererFlags_ = NORMAL_PLAY_RENDERER_FLAGS; 145 bool isNeedFadeIn_ = false; 146 147 size_t cacheDataFrameIndex_ = 0; 148 int32_t havePlayedCount_ = 0; 149 int64_t sourceDurationMs_{}; 150 }; 151 } // namespace Media 152 } // namespace OHOS 153 #endif // CACHE_BUFFER_H 154