# Trapezoid Player > Trapezoid Player is a free video player for Windows and Android. It maps a video onto the four corners of a projection screen. The light that misses the cloth is called Ambilight and takes its color from the same frame. The player is free. Windows download: https://1memory.ru/TrapezoidPlayer/download/TrapezoidPlayer.zip Android download: https://1memory.ru/TrapezoidPlayer/download/TrapezoidPlayer.apk Trapezoid Player video: https://1memory.ru/TrapezoidPlayer/screenshots/trapezoid_player_ambilight_for_projector.mp4 Original Ambilight clip: https://1memory.ru/TrapezoidPlayer/screenshots/Ambilight_test_Philips.mp4 It does not save the video file between launches. On Android it saves the four corners and can be opened from a file manager. On Android TV a remote places the corners, pauses playback, and seeks. Contact: chiryasov@outlook.com Updated: 2026-10-06 ## English - [Home](https://1memory.ru/TrapezoidPlayer/index.php): Trapezoid Player is a free video player for Windows and Android. It plays video on the projection cloth and turns the spare light on the wall into Ambilight. - [How it works](https://1memory.ru/TrapezoidPlayer/how-it-works.php): Trapezoid Player maps a video onto four screen corners and fills the wall around the cloth with Ambilight from the same frame, without a dark border. - [Windows](https://1memory.ru/TrapezoidPlayer/windows.php): On Windows, Trapezoid Player opens a video file, lets you click the four corners of the projection cloth, and plays the film with Ambilight on the wall. - [Android](https://1memory.ru/TrapezoidPlayer/android.php): Trapezoid Player on Android plays a video inside a trapezoid and adds Ambilight on the wall around the screen. A TV remote can place the corners, pause, and seek. - [FAQ](https://1memory.ru/TrapezoidPlayer/faq.php): Answers about Trapezoid Player: price, Windows, Android TV, the four screen corners, Ambilight on the wall, and whether the video file is saved. ## Russian - [Главная](https://1memory.ru/TrapezoidPlayer/ru/index.php): Trapezoid Player — бесплатный видеоплеер для Windows и Android. Видео идёт на полотне, а запасной свет на стене становится Ambilight того же кадра. - [Как это работает](https://1memory.ru/TrapezoidPlayer/ru/how-it-works.php): Trapezoid Player кладёт видео на четыре угла экрана и заполняет стену вокруг полотна Ambilight из того же кадра, без тёмной рамки. - [Windows](https://1memory.ru/TrapezoidPlayer/ru/windows.php): На Windows Trapezoid Player открывает видеофайл, даёт отметить четыре угла полотна и играет фильм с Ambilight на стене. - [Android](https://1memory.ru/TrapezoidPlayer/ru/android.php): Trapezoid Player на Android играет видео внутри трапеции и добавляет Ambilight на стену вокруг экрана. Пульт ставит углы, ставит паузу и перематывает. - [Вопросы](https://1memory.ru/TrapezoidPlayer/ru/faq.php): Ответы о Trapezoid Player: цена, Windows, Android TV, четыре угла экрана, Ambilight на стене и сохраняется ли видеофайл. ## Facts - Price: free - Operating systems: Windows, Android, Android TV - Corner order: top left, top right, bottom right, bottom left - Windows engine: OpenCV perspective warp and a masked blur so black is not mixed into the edge - Ambilight: the light around the screen that follows the picture - Android engine: ExoPlayer and OpenGL ES 2; Ambilight samples the video edge instead of black - Windows download: https://1memory.ru/TrapezoidPlayer/download/TrapezoidPlayer.zip - Android download: https://1memory.ru/TrapezoidPlayer/download/TrapezoidPlayer.apk - Contact: chiryasov@outlook.com