LCOV - code coverage report
Current view: top level - src/media/video - video_sender.cpp (source / functions) Coverage Total Hit
Test: jami-coverage-filtered.info Lines: 88.4 % 43 38
Test Date: 2026-06-13 09:18:46 Functions: 72.7 % 11 8

            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              : 
      18              : #include "video_sender.h"
      19              : #include "socket_pair.h"
      20              : #include "logger.h"
      21              : #include "manager.h"
      22              : 
      23              : #ifdef ENABLE_HWACCEL
      24              : #include "accel.h"
      25              : #endif
      26              : 
      27              : #include <unistd.h>
      28              : 
      29              : namespace jami {
      30              : namespace video {
      31              : 
      32              : using std::string;
      33              : 
      34          140 : VideoSender::VideoSender(const std::string& dest,
      35              :                          const MediaStream& opts,
      36              :                          const MediaDescription& args,
      37              :                          SocketPair& socketPair,
      38              :                          const uint16_t seqVal,
      39              :                          uint16_t mtu,
      40          140 :                          bool enableHwAccel)
      41          140 :     : muxContext_(socketPair.createIOContext(mtu))
      42          280 :     , videoEncoder_(new MediaEncoder)
      43              : {
      44          140 :     keyFrameFreq_ = static_cast<int>(opts.frameRate.numerator() * KEY_FRAME_PERIOD);
      45          280 :     videoEncoder_->openOutput(dest, "rtp");
      46          140 :     videoEncoder_->setOptions(opts);
      47          140 :     videoEncoder_->setOptions(args);
      48              : #ifdef ENABLE_HWACCEL
      49          140 :     videoEncoder_->enableAccel(enableHwAccel and Manager::instance().videoPreferences.getEncodingAccelerated());
      50              : #endif
      51          140 :     videoEncoder_->addStream(*args.codec);
      52          140 :     videoEncoder_->setInitSeqVal(seqVal);
      53          140 :     videoEncoder_->setIOContext(muxContext_->getContext());
      54          140 : }
      55              : 
      56              : void
      57         5635 : VideoSender::encodeAndSendVideo(const std::shared_ptr<VideoFrame>& input_frame)
      58              : {
      59         5635 :     int angle = input_frame->getOrientation();
      60         5635 :     if (rotation_ != angle) {
      61           49 :         rotation_ = angle;
      62           49 :         if (changeOrientationCallback_)
      63           49 :             changeOrientationCallback_(rotation_);
      64              :     }
      65              : 
      66         5635 :     if (auto* packet = input_frame->packet()) {
      67            0 :         videoEncoder_->send(*packet);
      68              :     } else {
      69         5635 :         bool is_keyframe = forceKeyFrame_ > 0 or (keyFrameFreq_ > 0 and (frameNumber_ % keyFrameFreq_) == 0);
      70              : 
      71         5635 :         if (is_keyframe)
      72           60 :             --forceKeyFrame_;
      73              : 
      74         5635 :         if (videoEncoder_->encode(input_frame, is_keyframe, frameNumber_++) < 0)
      75            0 :             JAMI_ERROR("encoding failed");
      76              :     }
      77              : #ifdef DEBUG_SDP
      78              :     if (frameNumber_ == 1) // video stream is lazy initialized, wait for first frame
      79              :         videoEncoder_->print_sdp();
      80              : #endif
      81         5635 : }
      82              : 
      83              : void
      84         5635 : VideoSender::update(Observable<std::shared_ptr<MediaFrame>>* /*obs*/, const std::shared_ptr<MediaFrame>& frame_p)
      85              : {
      86         5635 :     encodeAndSendVideo(std::dynamic_pointer_cast<VideoFrame>(frame_p));
      87         5635 : }
      88              : 
      89              : void
      90          148 : VideoSender::forceKeyFrame()
      91              : {
      92          592 :     JAMI_LOG("Key frame requested");
      93          148 :     ++forceKeyFrame_;
      94          148 : }
      95              : 
      96              : uint16_t
      97            0 : VideoSender::getLastSeqValue()
      98              : {
      99            0 :     return videoEncoder_->getLastSeqValue();
     100              : }
     101              : 
     102              : void
     103          150 : VideoSender::setChangeOrientationCallback(std::function<void(int)> cb)
     104              : {
     105          150 :     changeOrientationCallback_ = std::move(cb);
     106          150 : }
     107              : 
     108              : int
     109           31 : VideoSender::setBitrate(uint64_t br)
     110              : {
     111              :     // The encoder may be destroy during a bitrate change
     112              :     // when a codec parameter like auto quality change
     113           31 :     if (!videoEncoder_)
     114            0 :         return -1; // NOK
     115              : 
     116           31 :     return videoEncoder_->setBitrate(br);
     117              : }
     118              : 
     119              : } // namespace video
     120              : } // namespace jami
        

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