localrecorder.cpp

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/*
 *  Copyright (C) 2004-2025 Savoir-faire Linux Inc.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program. If not, see <https://www.gnu.org/licenses/>.
 */
 
#include "localrecorder.h"
#include "audio/ringbufferpool.h"
#include "audio/ringbuffer.h"
#include "client/videomanager.h"
#include "media_stream.h"
#include "manager.h"
#include "logger.h"
#include "client/videomanager.h"
 
namespace jami {
 
LocalRecorder::LocalRecorder(const std::string& inputUri)
{
    inputUri_ = inputUri;
    isAudioOnly_ = inputUri_.empty();
    recorder_->audioOnly(isAudioOnly_);
}
 
LocalRecorder::~LocalRecorder()
{
    if (isRecording())
        stopRecording();
}
 
void
LocalRecorder::setPath(const std::string& path)
{
    if (isRecording()) {
        JAMI_ERR("Unable to set path while recording");
        return;
    }
 
    recorder_->setPath(path);
    path_ = path;
}
 
bool
LocalRecorder::startRecording()
{
    if (isRecording()) {
        JAMI_ERR("Recording already started!");
        return false;
    }
 
    if (path_.empty()) {
        JAMI_ERR("Unable to start recording (path not set)");
        return false;
    }
 
    if (!recorder_) {
        JAMI_ERR("Unable to start recording (no recorder)");
        return false;
    }
 
    // audio recording
    // create read offset in RingBuffer
    Manager::instance().getRingBufferPool().bindHalfDuplexOut(path_, RingBufferPool::DEFAULT_ID);
 
    audioInput_ = getAudioInput(path_);
    audioInput_->setFormat(AudioFormat::STEREO());
    audioInput_->attach(recorder_->addStream(audioInput_->getInfo()));
    audioInput_->switchInput("");
 
#ifdef ENABLE_VIDEO
    // video recording
    if (!isAudioOnly_) {
        videoInput_ = std::static_pointer_cast<video::VideoInput>(getVideoInput(inputUri_));
        if (videoInput_) {
            videoInput_->attach(recorder_->addStream(videoInput_->getInfo()));
        } else {
            JAMI_ERR() << "Unable to record video (no video input)";
            return false;
        }
    }
#endif
 
    return Recordable::startRecording(path_);
}
 
void
LocalRecorder::stopRecording()
{
    if (auto ob = recorder_->getStream(audioInput_->getInfo().name))
        audioInput_->detach(ob);
#ifdef ENABLE_VIDEO
    if (videoInput_)
        if (auto ob = recorder_->getStream(videoInput_->getInfo().name))
            videoInput_->detach(ob);
#endif
    Manager::instance().getRingBufferPool().unBindHalfDuplexOut(path_, RingBufferPool::DEFAULT_ID);
    // NOTE stopRecording should be last call to avoid data races
    Recordable::stopRecording();
}
 
} // namespace jami