mxl-multiviewer/FeedCreate.cpp

#include "FeedCreate.hpp"

#include "NoSignalFeed.hpp"
#include "MxlFeed.hpp"
#include "MxlSdkFeed.hpp"
#include "SmpteBarsFeed.hpp"
#include "SyntheticV210Feed.hpp"

#include <iostream>

std::unique_ptr<IVideoFeed> createFeed(
    const FeedConfig& config,
    uint32_t feedIndex,
    uint32_t frameWidth,
    uint32_t frameHeight,
    bool verbose)
{
    switch (config.kind)
    {
        case FeedKind::MxlSdk:
        {
            if (config.mxlDomain.empty() || config.mxlFlowId.empty())
            {
                std::cerr << "Feed " << (feedIndex + 1)
                          << ": mxlsdk requires domain and flowId"
                          << std::endl;
                return std::make_unique<NoSignalFeed>(
                    feedIndex, frameWidth, frameHeight);
            }

            if (verbose)
            {
                std::cerr << "Feed " << (feedIndex + 1)
                          << ": mxlsdk domain=" << config.mxlDomain
                          << " flowId=" << config.mxlFlowId
                          << std::endl;
            }

            return std::make_unique<MxlSdkFeed>(
                config.mxlDomain,
                config.mxlFlowId,
                frameWidth,
                frameHeight,
                verbose);
        }

        case FeedKind::MxlPlaceholder:
        {
            auto feed = std::make_unique<MxlFeed>(
                frameWidth,
                frameHeight
            );

            if (verbose)
            {
                std::cerr
                    << "MXL SDK: "
                    << (feed->isUsingRealSdk()
                            ? "enabled"
                            : "disabled, using placeholder")
                    << std::endl;
            }

            return feed;
        }

        case FeedKind::SmpteBars:
            if (verbose)
            {
                std::cerr << "Feed " << (feedIndex + 1)
                          << ": smpte bars" << std::endl;
            }
            return std::make_unique<SmpteBarsFeed>(
                frameWidth,
                frameHeight
            );

        case FeedKind::SyntheticV210:
            if (verbose)
            {
                std::cerr << "Feed " << (feedIndex + 1)
                          << ": synthetic v210" << std::endl;
            }
            return std::make_unique<SyntheticV210Feed>(
                feedIndex,
                frameWidth,
                frameHeight
            );

        case FeedKind::NoSignal:
        default:
            if (verbose)
            {
                std::cerr << "Feed " << (feedIndex + 1)
                          << ": no signal" << std::endl;
            }
            return std::make_unique<NoSignalFeed>(
                feedIndex,
                frameWidth,
                frameHeight
            );
    }
}