xbmc/cores/AudioEngine/Sinks/AESinkAUDIOTRACK.h

   1 /*
   2  *  Copyright (C) 2010-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "cores/AudioEngine/Interfaces/AESink.h"
  12 #include "cores/AudioEngine/Utils/AEDeviceInfo.h"
  13 #include "cores/AudioEngine/Utils/AEUtil.h"
  14 #include "threads/CriticalSection.h"
  15 #include "threads/SystemClock.h"
  16 #include "threads/Thread.h"
  17
  18 #include <deque>
  19 #include <set>
  20
  21 #include <androidjni/AudioTrack.h>
  22
  23 class CAESinkAUDIOTRACK : public IAESink
  24 {
  25 public:
  26   const char* GetName() override { return "AUDIOTRACK"; }
  27
  28   CAESinkAUDIOTRACK();
  29   ~CAESinkAUDIOTRACK() override;
  30
  31   bool Initialize(AEAudioFormat& format, std::string& device) override;
  32   void Deinitialize() override;
  33   bool IsInitialized();
  34
  35   void GetDelay(AEDelayStatus& status) override;
  36   double GetLatency() override;
  37   double GetCacheTotal() override;
  38   unsigned int AddPackets(uint8_t** data, unsigned int frames, unsigned int offset) override;
  39   void AddPause(unsigned int millis) override;
  40   void Drain() override;
  41   static void          EnumerateDevicesEx(AEDeviceInfoList &list, bool force = false);
  42   static void Register();
  43   static std::unique_ptr<IAESink> Create(std::string& device, AEAudioFormat& desiredFormat);
  44
  45 protected:
  46   static jni::CJNIAudioTrack *CreateAudioTrack(int stream, int sampleRate, int channelMask, int encoding, int bufferSize);
  47   static bool IsSupported(int sampleRateInHz, int channelConfig, int audioFormat);
  48   static bool VerifySinkConfiguration(int sampleRate,
  49                                       int channelMask,
  50                                       int encoding,
  51                                       bool isRaw = false);
  52   static void UpdateAvailablePCMCapabilities();
  53   static void UpdateAvailablePassthroughCapabilities(bool isRaw = false);
  54
  55   int AudioTrackWrite(char* audioData, int offsetInBytes, int sizeInBytes);
  56   int AudioTrackWrite(char* audioData, int sizeInBytes, int64_t timestamp);
  57
  58 private:
  59   jni::CJNIAudioTrack  *m_at_jni;
  60   int     m_jniAudioFormat;
  61
  62   double                m_duration_written;
  63   unsigned int          m_min_buffer_size;
  64   uint64_t              m_headPos;
  65   uint64_t m_headPosOld;
  66   uint32_t m_stuckCounter;
  67   uint64_t m_timestampPos = 0;
  68   // Moving Average computes the weighted average delay over
  69   // a fixed size of delay values - current size: 20 values
  70   double                GetMovingAverageDelay(double newestdelay);
  71
  72   // We maintain our linear weighted average delay counter in here
  73   // The n-th value (timely oldest value) is weighted with 1/n
  74   // the newest value gets a weight of 1
  75   std::deque<double>   m_linearmovingaverage;
  76
  77   static CAEDeviceInfo m_info;
  78   static CAEDeviceInfo m_info_raw;
  79   static CAEDeviceInfo m_info_iec;
  80   static bool m_hasIEC;
  81   static std::set<unsigned int>       m_sink_sampleRates;
  82   static bool m_sinkSupportsFloat;
  83   static bool m_sinkSupportsMultiChannelFloat;
  84   static bool m_passthrough_use_eac3;
  85
  86   AEAudioFormat      m_format;
  87   int16_t           *m_alignedS16;
  88   unsigned int       m_sink_frameSize;
  89   unsigned int       m_sink_sampleRate;
  90   bool               m_passthrough;
  91   double             m_audiotrackbuffer_sec;
  92   double m_audiotrackbuffer_sec_orig;
  93   int                m_encoding;
  94   double m_pause_ms = 0.0;
  95   double m_delay = 0.0;
  96   double m_hw_delay = 0.0;
  97   CJNIAudioTimestamp m_timestamp;
  98   XbmcThreads::EndTime<> m_stampTimer;
  99   bool m_superviseAudioDelay = false;
 100
 101   std::vector<float> m_floatbuf;
 102   std::vector<int16_t> m_shortbuf;
 103   std::vector<char> m_charbuf;
 104 };