LCOV - code coverage report
Current view: top level - src/media/audio - audio_input.h (source / functions) Hit Total Coverage
Test: jami-coverage-filtered.info Lines: 5 6 83.3 %
Date: 2024-03-28 08:00:27 Functions: 3 4 75.0 %

          Line data    Source code
       1             : /*
       2             :  *  Copyright (C) 2004-2024 Savoir-faire Linux Inc.
       3             :  *
       4             :  *  Author: Hugo Lefeuvre <hugo.lefeuvre@savoirfairelinux.com>
       5             :  *  Author: Philippe Gorley <philippe.gorley@savoirfairelinux.com>
       6             :  *
       7             :  *  This program is free software; you can redistribute it and/or modify
       8             :  *  it under the terms of the GNU General Public License as published by
       9             :  *  the Free Software Foundation; either version 3 of the License, or
      10             :  *  (at your option) any later version.
      11             :  *
      12             :  *  This program is distributed in the hope that it will be useful,
      13             :  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15             :  *  GNU General Public License for more details.
      16             :  *
      17             :  *  You should have received a copy of the GNU General Public License
      18             :  *  along with this program; if not, write to the Free Software
      19             :  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
      20             :  */
      21             : 
      22             : #pragma once
      23             : 
      24             : #include <atomic>
      25             : #include <future>
      26             : #include <mutex>
      27             : #include <chrono>
      28             : 
      29             : #include "audio_format.h"
      30             : #include "media/media_device.h"
      31             : #include "media/media_buffer.h"
      32             : #include "observer.h"
      33             : #include "threadloop.h"
      34             : #include "media/media_codec.h"
      35             : 
      36             : namespace jami {
      37             : class AudioDeviceGuard;
      38             : class AudioFrameResizer;
      39             : class MediaDemuxer;
      40             : class MediaDecoder;
      41             : class MediaRecorder;
      42             : struct MediaStream;
      43             : class Resampler;
      44             : class RingBuffer;
      45             : 
      46             : class AudioInput : public Observable<std::shared_ptr<MediaFrame>>
      47             : {
      48             : public:
      49             :     AudioInput(const std::string& id);
      50             :     AudioInput(const std::string& id, const std::string& resource);
      51             :     ~AudioInput();
      52             : 
      53             :     std::shared_future<DeviceParams> switchInput(const std::string& resource);
      54          10 :     void start() { loop_.start(); };
      55             : 
      56           0 :     bool isCapturing() const { return loop_.isRunning(); }
      57             :     void setFormat(const AudioFormat& fmt);
      58             :     void setMuted(bool isMuted);
      59             :     MediaStream getInfo() const;
      60             :     MediaStream getInfo(const std::string& name) const;
      61             :     void updateStartTime(int64_t start);
      62             :     void setPaused(bool paused);
      63             :     void configureFilePlayback(const std::string& path,
      64             :                                std::shared_ptr<MediaDemuxer>& demuxer,
      65             :                                int index);
      66             :     void flushBuffers();
      67             :     void setSeekTime(int64_t time);
      68             : 
      69         187 :     void setSuccessfulSetupCb(const std::function<void(MediaType, bool)>& cb)
      70             :     {
      71         187 :         onSuccessfulSetup_ = cb;
      72         187 :     }
      73             : 
      74             :     void setRecorderCallback(const std::function<void(const MediaStream& ms)>& cb);
      75             : 
      76         187 :     std::string getId() const { return id_; };
      77             : 
      78             : private:
      79             :     void readFromDevice();
      80             :     void readFromFile();
      81             :     void readFromQueue();
      82             :     bool initDevice(const std::string& device);
      83             :     bool initFile(const std::string& path);
      84             :     bool createDecoder();
      85             :     void frameResized(std::shared_ptr<AudioFrame>&& ptr);
      86             : 
      87             :     std::string id_;
      88             :     std::shared_ptr<RingBuffer> ringBuf_;
      89             :     bool muteState_ {false};
      90             :     uint64_t sent_samples = 0;
      91             :     mutable std::mutex fmtMutex_ {};
      92             :     AudioFormat format_;
      93             :     int frameSize_;
      94             :     std::atomic_bool paused_ {true};
      95             : 
      96             :     std::unique_ptr<Resampler> resampler_;
      97             :     std::unique_ptr<AudioFrameResizer> resizer_;
      98             :     std::unique_ptr<MediaDecoder> decoder_;
      99             : 
     100             :     std::string resource_;
     101             :     std::mutex resourceMutex_ {};
     102             :     DeviceParams devOpts_;
     103             :     std::promise<DeviceParams> foundDevOpts_;
     104             :     std::shared_future<DeviceParams> futureDevOpts_;
     105             :     std::atomic_bool devOptsFound_ {false};
     106             :     void foundDevOpts(const DeviceParams& params);
     107             : 
     108             :     std::atomic_bool playingDevice_ {false};
     109             :     std::atomic_bool decodingFile_ {false};
     110             :     std::atomic_bool playingFile_ {false};
     111             :     std::unique_ptr<AudioDeviceGuard> deviceGuard_;
     112             : 
     113             :     ThreadLoop loop_;
     114             :     void process();
     115             : 
     116             :     std::chrono::time_point<std::chrono::steady_clock> wakeUp_;
     117             : 
     118             :     std::function<void(MediaType, bool)> onSuccessfulSetup_;
     119             :     std::function<void(const MediaStream& ms)> recorderCallback_;
     120             :     std::atomic_bool settingMS_ {true};
     121             : };
     122             : 
     123             : } // namespace jami

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