Video Edit SDK .NET vs Medialooks MFormats SDK

var edit = new VideoEditCoreX(videoView);

// Add two video clips with overlap for crossfade region
edit.Input_AddVideoFile("interview.mp4");
edit.Input_AddVideoFile("broll.mp4", insertTime: TimeSpan.FromSeconds(28));

// Crossfade transition across the 2-second overlap (28s-30s)
edit.Video_Transitions.Add(new VideoTransition(
    VideoTransitionType.Crossfade, TimeSpan.FromSeconds(28), TimeSpan.FromSeconds(30)));

// Mix a background music track underneath both clips
edit.Input_AddAudioFile("ambient.mp3", insertTime: TimeSpan.Zero);

edit.Output_Format = new MP4Output("assembled.mp4");
edit.Output_VideoSize = new Size(1920, 1080);
edit.OnProgress += (s, e) => Console.WriteLine($"Rendering: {e.Progress}%");
edit.Start();
// Offline render - completes faster than the timeline duration

var playlist = new MFPlaylistClass();
playlist.PlaylistAdd("intro.mp4", "", "");
playlist.PlaylistAdd("main.mp4", "", "");
playlist.PlaylistAdd("outro.mp4", "", "");

var writer = new MFWriterClass();
writer.WriterSet("final.mp4", 0, "");
var renderer = new MFRendererClass();

MFFrame frame;
while (playlist.PlaylistGetCount() > 0)
{
    playlist.SourceFrameGet(-1, out frame, "");
    renderer.RenderPut(frame, -1, "");
    writer.WriterPut(frame, -1, "");
    Marshal.ReleaseComObject(frame);
}
// Plays in real-time only - no faster-than-realtime rendering
// Transitions configured via playlist properties

var core = new VideoEditCore();

// Lossless cut - extract a segment without re-encoding
await core.FastEdit_CutFileAsync("raw_interview.mp4",
    TimeSpan.FromMinutes(2), TimeSpan.FromMinutes(15), "trimmed.mp4");

// Lossless join - concatenate clips with identical codec parameters
await core.FastEdit_JoinFilesAsync(
    new[] { "intro.mp4", "trimmed.mp4", "outro.mp4" }, "final.mp4");

// Encrypt the result for secure distribution
core.FastEncrypt_Start("final.mp4", "secure.vfe",
    EncryptionKeyType.String, "deliveryKey2026", false);

// No lossless editing operations
// Every output passes through the real-time frame pipeline
// Cut/join requires full re-encoding via MFWriterClass
// No file encryption capability

var edit = new VideoEditCoreX(videoView);
edit.Input_AddVideoFile("interview.mp4");

// 10-band graphic equalizer - boost dialogue clarity
var eq = new Equalizer10AudioEffect(new double[]
    { 0, 3.0, 0, 0, 4.5, 0, 3.0, 0, 0, 0 });
//       59Hz bass   474Hz voice  1889Hz presence
edit.Audio_Effects.Add(eq);

// Reverb for room ambience
var reverb = new ReverberationAudioEffect();
reverb.RoomSize = 0.3f;
reverb.Level = 0.15f;
reverb.Damping = 0.5f;
edit.Audio_Effects.Add(reverb);

edit.Output_Format = new MP4Output("polished.mp4");
edit.Start();

// No audio effects pipeline
// MFormats offers normalization only - no EQ, no reverb
// Audio processing requires external tools