Anaglyph 3d Video Player For Android

To watch 3D content on your Android device using red-cyan anaglyph glasses

• Use SurfaceTexture + Surface for direct decoder output into GL textures.
• Prefer RGBA or external OES textures to avoid intermediate copies.
• Implement shader-based YUV to RGB conversion when decoder outputs YUV.
• Provide multiple rendering quality levels (full-res, half-res, quarter-res) for low-memory devices.
• Battery-friendly frame skipping logic under thermal/battery pressure.

• Fix: Anaglyph conversion requires CPU power. Switch from "Software Decoding" to "Hardware Decoding (HW+)" in the app settings.

• Fix: You aren't wearing the glasses, or your phone's "Night Light" / "Eye Comfort" mode is on. Disable blue light filter – it cancels the anaglyph color separation.

Edge Cases and Special Features

• 2D to anaglyph conversion: stereo-synthesis using modest depth maps estimated from motion or a center-depth heuristic; acceptable for novelty but clearly labeled.
• Mixed frame rates or variable frame rate content: timestamp-aware decoder pipeline to maintain sync.
• DRM-protected content: respect platform DRM — no unauthorized decoding or export.

On the Android platform, implementing such a player requires a hybrid approach combining high-level Java/Kotlin frameworks for media handling and low-level C/C++ or GLSL code for real-time image processing. The challenge lies not in the decoding of video, but in the efficient rendering of the stereoscopic effect without degrading playback performance (FPS) or battery life. anaglyph 3d video player for android

4.3 Anaglyph Fragment Shader (GLSL)

This is the heart of the player. The shader runs on the GPU for each pixel: To watch 3D content on your Android device

findViewById(R.id.btn_open).setOnClickListener(v -> openFilePicker()); private void playVideo(Uri uri) player = new ExoPlayer.Builder(this).build(); player.setMediaItem(MediaItem.fromUri(uri)); player.prepare(); player.play();