Media Blocks SDK .NET vs Medialooks MFormats SDK

// Build custom pipeline by connecting blocks
var pipeline = new MediaBlocksPipeline();

var source = new SystemVideoSourceBlock(
    new VideoCaptureDeviceSourceSettings(deviceInfo));
var overlay = new TextOverlayBlock(
    new TextOverlaySettings("LIVE"));
var tee = new TeeBlock(2, MediaBlockPadMediaType.Video);
var preview = new VideoRendererBlock(pipeline, videoView);
var h264Encoder = new H264EncoderBlock();
var fileOutput = new MP4SinkBlock(
    new MP4SinkSettings("output.mp4"));

// Connect: source -> overlay -> tee -> [preview + encoder -> file]
pipeline.Connect(source.Output, overlay.Input);
pipeline.Connect(overlay.Output, tee.Input);
pipeline.Connect(tee.Outputs[0], preview.Input);
pipeline.Connect(tee.Outputs[1], h264Encoder.Input);
pipeline.Connect(h264Encoder.Output,
    fileOutput.CreateNewInput(MediaBlockPadMediaType.Video));

await pipeline.StartAsync();

var source = new MFLiveClass();
source.DeviceSet("video", 0, "");

var writer = new MFWriterClass();
writer.WriterSet("output.mp4", 0, "");

MFFrame frame;
while (running)
{
    source.SourceFrameGet(-1, out frame, "");
    frame.MFOverlayAdd(null, "text=\"LIVE\"", 0);
    writer.WriterPut(frame, -1, "");
    Marshal.ReleaseComObject(frame);
}

var pipeline = new MediaBlocksPipeline();

var rtspSource = new RTSPSourceBlock(
    new RTSPSourceSettings(
        new Uri("rtsp://camera.local:554/stream")));

var videoView = new VideoRendererBlock(
    pipeline, VideoView1);

var h264Encoder = new H264EncoderBlock(
    new OpenH264EncoderSettings { Bitrate = 4000000 });

var aacEncoder = new AACEncoderBlock(
    new AACEncoderSettings());

var hlsSink = new HLSSinkBlock(
    new HLSSinkSettings("/var/www/stream/") {
        SegmentDuration = TimeSpan.FromSeconds(4),
        PlaylistLength = 5
    });

pipeline.Connect(rtspSource.VideoOutput, videoView.Input);
pipeline.Connect(rtspSource.VideoOutput, h264Encoder.Input);
pipeline.Connect(rtspSource.AudioOutput, aacEncoder.Input);
pipeline.Connect(h264Encoder.Output,
    hlsSink.CreateNewInput(MediaBlockPadMediaType.Video));
pipeline.Connect(aacEncoder.Output,
    hlsSink.CreateNewInput(MediaBlockPadMediaType.Audio));

await pipeline.StartAsync();

// MFormats requires manual frame loop
// and Windows-only deployment
var source = new MFLiveClass();
source.DeviceSet("video", 0, "");

var writer = new MFWriterClass();
writer.WriterSet(
    "rtmp://server/live/stream", 0, "");

MFFrame frame;
while (running)
{
    source.SourceFrameGet(-1, out frame, "");
    // Process frame...
    writer.WriterPut(frame, -1, "");
    Marshal.ReleaseComObject(frame);
}

// Note: No cross-platform support.
// No Linux Docker deployment.