Webcam Video FullHD + Audio recording to mp4 (30fps) windows app c# wpf

Webcam recorder (Full HD 30fps Video + Audio in sync) using VS WPF C# solution. Requirements: * It should be a C# WPF form application running on windows version win10. * It should record 2 to 4 webcam Video with Audio simultaneously (Audio source from webcam builtin mic or USB external mic) unlimited time. (may works hours continueously) * Should have Start/Pause/Stop recording button. * Simultaneous Audio Only recording (audio source selectable). * Recording (Video or Audio) output should be in these formats – mp4, wav * When stop recording, there is a button to burn the last recorded files to multiple DVD-RWs. * Can split output file to smaller one if file size too big (more than DVD 4Gb) using zip/rar archive * Recording time is unlimited and have SSD Storage space left warning if run out of storage. * Have Audio VU meter to indicate the recording audio status. and password and then record all files to DVDs * Even when minimized it should continue to record in background. * Webcam settings options can be saved (resolutions and encoding type selection, bit-rate etc..) * Should be able to save Webcam Source so It will be opened next time. Prefer 1 Simple Demo app to show a working program that can recording a Webcam to mp4 file (Video+audio sync, Full HD 30fps)