LCOV - code coverage report
Current view: top level - src/media/video - video_sender.cpp (source / functions) Hit Total Coverage
Test: jami-coverage-filtered.info Lines: 40 45 88.9 %
Date: 2024-11-15 09:04:49 Functions: 6 7 85.7 %

          Line data    Source code
       1             : /*
       2             :  *  Copyright (C) 2004-2024 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 "video_mixer.h"
      20             : #include "socket_pair.h"
      21             : #include "client/videomanager.h"
      22             : #include "logger.h"
      23             : #include "manager.h"
      24             : #include "media_device.h"
      25             : #include "sip/sipcall.h"
      26             : #ifdef RING_ACCEL
      27             : #include "accel.h"
      28             : #endif
      29             : 
      30             : #include <map>
      31             : #include <unistd.h>
      32             : 
      33             : namespace jami {
      34             : namespace video {
      35             : 
      36             : using std::string;
      37             : 
      38         152 : VideoSender::VideoSender(const std::string& dest,
      39             :                          const MediaStream& opts,
      40             :                          const MediaDescription& args,
      41             :                          SocketPair& socketPair,
      42             :                          const uint16_t seqVal,
      43             :                          uint16_t mtu,
      44         152 :                          bool enableHwAccel)
      45         152 :     : muxContext_(socketPair.createIOContext(mtu))
      46         304 :     , videoEncoder_(new MediaEncoder)
      47             : {
      48         152 :     keyFrameFreq_ = opts.frameRate.numerator() * KEY_FRAME_PERIOD;
      49         152 :     videoEncoder_->openOutput(dest, "rtp");
      50         152 :     videoEncoder_->setOptions(opts);
      51         152 :     videoEncoder_->setOptions(args);
      52             : #ifdef RING_ACCEL
      53         304 :     videoEncoder_->enableAccel(enableHwAccel
      54         152 :                                and Manager::instance().videoPreferences.getEncodingAccelerated());
      55             : #endif
      56         152 :     videoEncoder_->addStream(*args.codec);
      57         152 :     videoEncoder_->setInitSeqVal(seqVal);
      58         152 :     videoEncoder_->setIOContext(muxContext_->getContext());
      59         152 : }
      60             : 
      61             : void
      62        5711 : VideoSender::encodeAndSendVideo(const std::shared_ptr<VideoFrame>& input_frame)
      63             : {
      64        5711 :     int angle = input_frame->getOrientation();
      65        5711 :     if (rotation_ != angle) {
      66          49 :         rotation_ = angle;
      67          49 :         if (changeOrientationCallback_)
      68          49 :             changeOrientationCallback_(rotation_);
      69             :     }
      70             : 
      71        5711 :     if (auto packet = input_frame->packet()) {
      72           0 :         videoEncoder_->send(*packet);
      73             :     } else {
      74        5711 :         bool is_keyframe = forceKeyFrame_ > 0
      75        5711 :                            or (keyFrameFreq_ > 0 and (frameNumber_ % keyFrameFreq_) == 0);
      76             : 
      77        5711 :         if (is_keyframe)
      78          62 :             --forceKeyFrame_;
      79             : 
      80        5711 :         if (videoEncoder_->encode(input_frame, is_keyframe, frameNumber_++) < 0)
      81           0 :             JAMI_ERR("encoding failed");
      82             :     }
      83             : #ifdef DEBUG_SDP
      84             :     if (frameNumber_ == 1) // video stream is lazy initialized, wait for first frame
      85             :         videoEncoder_->print_sdp();
      86             : #endif
      87        5711 : }
      88             : 
      89             : void
      90        5711 : VideoSender::update(Observable<std::shared_ptr<MediaFrame>>* /*obs*/,
      91             :                     const std::shared_ptr<MediaFrame>& frame_p)
      92             : {
      93        5711 :     encodeAndSendVideo(std::dynamic_pointer_cast<VideoFrame>(frame_p));
      94        5711 : }
      95             : 
      96             : void
      97          74 : VideoSender::forceKeyFrame()
      98             : {
      99          74 :     JAMI_DBG("Key frame requested");
     100          74 :     ++forceKeyFrame_;
     101          74 : }
     102             : 
     103             : uint16_t
     104           0 : VideoSender::getLastSeqValue()
     105             : {
     106           0 :     return videoEncoder_->getLastSeqValue();
     107             : }
     108             : 
     109             : void
     110         161 : VideoSender::setChangeOrientationCallback(std::function<void(int)> cb)
     111             : {
     112         161 :     changeOrientationCallback_ = std::move(cb);
     113         161 : }
     114             : 
     115             : int
     116          29 : VideoSender::setBitrate(uint64_t br)
     117             : {
     118             :     // The encoder may be destroy during a bitrate change
     119             :     // when a codec parameter like auto quality change
     120          29 :     if (!videoEncoder_)
     121           0 :         return -1; // NOK
     122             : 
     123          29 :     return videoEncoder_->setBitrate(br);
     124             : }
     125             : 
     126             : } // namespace video
     127             : } // namespace jami

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