Line data    Source code

       1             : /*
       2             :  *  Copyright (C) 2004-2024 Savoir-faire Linux Inc.
       3             :  *
       4             :  *  Author: Tristan Matthews <tristan.matthews@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             : #pragma once
      22             : 
      23             : #include "audio_format.h"
      24             : #include "media/media_buffer.h"
      25             : #include "media/media_device.h"
      26             : #include "media/media_codec.h"
      27             : #include "noncopyable.h"
      28             : #include "observer.h"
      29             : #include "media/socket_pair.h"
      30             : #include "threadloop.h"
      31             : 
      32             : #include <functional>
      33             : #include <sstream>
      34             : 
      35             : namespace jami {
      36             : 
      37             : class MediaDecoder;
      38             : class MediaIOHandle;
      39             : struct MediaStream;
      40             : class RingBuffer;
      41             : 
      42             : class AudioReceiveThread : public Observable<std::shared_ptr<MediaFrame>>
      43             : {
      44             : public:
      45             :     AudioReceiveThread(const std::string& streamId,
      46             :                        const AudioFormat& format,
      47             :                        const std::string& sdp,
      48             :                        const uint16_t mtu);
      49             :     ~AudioReceiveThread();
      50             : 
      51             :     MediaStream getInfo() const;
      52             : 
      53             :     void addIOContext(SocketPair& socketPair);
      54             :     void startReceiver();
      55             :     void stopReceiver();
      56             : 
      57         187 :     void setSuccessfulSetupCb(const std::function<void(MediaType, bool)>& cb)
      58             :     {
      59         187 :         onSuccessfulSetup_ = cb;
      60         187 :     }
      61             : 
      62             :     void setRecorderCallback(const std::function<void(const MediaStream& ms)>& cb);
      63             : 
      64             : private:
      65             :     NON_COPYABLE(AudioReceiveThread);
      66             : 
      67             :     static constexpr auto SDP_FILENAME = "dummyFilename";
      68             : 
      69             :     static int interruptCb(void* ctx);
      70             :     static int readFunction(void* opaque, uint8_t* buf, int buf_size);
      71             : 
      72             :     /*-----------------------------------------------------------------*/
      73             :     /* These variables should be used in thread (i.e. process()) only! */
      74             :     /*-----------------------------------------------------------------*/
      75             :     const std::string streamId_;
      76             :     const AudioFormat& format_;
      77             : 
      78             :     DeviceParams args_;
      79             : 
      80             :     std::istringstream stream_;
      81             :     mutable std::mutex mutex_;
      82             :     std::unique_ptr<MediaDecoder> audioDecoder_;
      83             :     std::unique_ptr<MediaIOHandle> sdpContext_;
      84             :     std::unique_ptr<MediaIOHandle> demuxContext_;
      85             : 
      86             :     std::shared_ptr<RingBuffer> ringbuffer_;
      87             : 
      88             :     uint16_t mtu_;
      89             : 
      90             :     ThreadLoop loop_;
      91             :     bool setup();
      92             :     void process();
      93             :     void cleanup();
      94             : 
      95             :     std::function<void(MediaType, bool)> onSuccessfulSetup_;
      96             :     std::function<void(const MediaStream& ms)> recorderCallback_;
      97             : };
      98             : 
      99             : } // namespace jami