Line data    Source code

       1              : /*
       2              :  *  Copyright (C) 2004-2026 Savoir-faire Linux Inc.
       3              :  *
       4              :  *  This program is free software: you can redistribute it and/or modify
       5              :  *  it under the terms of the GNU General Public License as published by
       6              :  *  the Free Software Foundation, either version 3 of the License, or
       7              :  *  (at your option) any later version.
       8              :  *
       9              :  *  This program is distributed in the hope that it will be useful,
      10              :  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
      11              :  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      12              :  *  GNU General Public License for more details.
      13              :  *
      14              :  *  You should have received a copy of the GNU General Public License
      15              :  *  along with this program. If not, see <https://www.gnu.org/licenses/>.
      16              :  */
      17              : #pragma once
      18              : 
      19              : #include "audio_format.h"
      20              : #include "media/media_buffer.h"
      21              : #include "media/media_device.h"
      22              : #include "media/media_codec.h"
      23              : #include "noncopyable.h"
      24              : #include "observer.h"
      25              : #include "media/socket_pair.h"
      26              : #include "threadloop.h"
      27              : 
      28              : #include <functional>
      29              : #include <sstream>
      30              : 
      31              : namespace jami {
      32              : 
      33              : class MediaDecoder;
      34              : class MediaIOHandle;
      35              : struct MediaStream;
      36              : class RingBuffer;
      37              : 
      38              : class AudioReceiveThread : public Observable<std::shared_ptr<MediaFrame>>
      39              : {
      40              : public:
      41              :     AudioReceiveThread(const std::string& streamId,
      42              :                        const AudioFormat& format,
      43              :                        const std::string& sdp,
      44              :                        const uint16_t mtu);
      45              :     ~AudioReceiveThread();
      46              : 
      47              :     MediaStream getInfo() const;
      48              : 
      49              :     void addIOContext(SocketPair& socketPair);
      50              :     void startReceiver();
      51              :     void stopReceiver();
      52              : 
      53          176 :     void setSuccessfulSetupCb(const std::function<void(MediaType, bool)>& cb) { onSuccessfulSetup_ = cb; }
      54              : 
      55              :     void setRecorderCallback(const std::function<void(const MediaStream& ms)>& cb);
      56              : 
      57              : private:
      58              :     NON_COPYABLE(AudioReceiveThread);
      59              : 
      60              :     static constexpr auto SDP_FILENAME = "dummyFilename";
      61              : 
      62              :     static int interruptCb(void* ctx);
      63              :     static int readFunction(void* opaque, uint8_t* buf, int buf_size);
      64              : 
      65              :     /*-----------------------------------------------------------------*/
      66              :     /* These variables should be used in thread (i.e. process()) only! */
      67              :     /*-----------------------------------------------------------------*/
      68              :     const std::string streamId_;
      69              :     const AudioFormat& format_;
      70              : 
      71              :     DeviceParams args_;
      72              : 
      73              :     std::istringstream stream_;
      74              :     mutable std::mutex mutex_;
      75              :     std::unique_ptr<MediaDecoder> audioDecoder_;
      76              :     std::unique_ptr<MediaIOHandle> sdpContext_;
      77              :     std::unique_ptr<MediaIOHandle> demuxContext_;
      78              : 
      79              :     std::shared_ptr<RingBuffer> ringbuffer_;
      80              : 
      81              :     uint16_t mtu_;
      82              : 
      83              :     ThreadLoop loop_;
      84              :     bool setup();
      85              :     void process();
      86              :     void cleanup();
      87              : 
      88              :     std::function<void(MediaType, bool)> onSuccessfulSetup_;
      89              :     std::function<void(const MediaStream& ms)> recorderCallback_;
      90              : };
      91              : 
      92              : } // namespace jami