android/camera-samples

Features

• Camera Integrations - Provides comprehensive reference implementations for integrating Android camera hardware to capture photos and videos.
• Real-Time Object Detection - Provides reference implementations for identifying and tracking objects within live camera streams using machine learning.
• Real-Time Frame Processors - Implements components that intercept live camera frames to perform real-time detection and analysis using machine learning models.
• Mobile Vision Implementations - Provides sample code for analyzing live camera frames using ML models for object detection and QR code scanning.
• Video Encoders - Streams raw camera frames into a media encoder to produce compressed video files for local storage.
• Real-Time Model Inference on Frames - Processes live camera frames for real-time object detection, QR code scanning, and machine learning inference.
• Camera API Implementations - Provides architectural best practices and utility tools to reduce boilerplate when implementing Android camera features.
• Camera2 API References - Provides examples for utilizing the low-level Camera2 API to control fine-grained hardware settings and manual image capture.
• CameraX API Implementations - Provides code samples for using the Jetpack CameraX library to build photo and video capture features.
• Video Profile Configuration - Sets the dimensions, frame rate, and color format based on the hardware capabilities of the device.
• Image Capture - Captures still images in standard or raw formats to preserve unprocessed sensor data.
• Camera and Video Capture - Captures video frames using repeating requests and encodes them into a standard video file.
• Android Lifecycle Management - Uses Android-specific lifecycle-aware components to automate the opening and closing of camera hardware resources.
• Camera Preview Embeddings - Renders a real-time camera feed to a view with options for stabilization and portrait filters.
• Android Camera API Examples - Offers a comprehensive set of reference implementations demonstrating best practices for Android camera API integration.
• Bounding Box Visualizers - Includes utilities for overlaying detection coordinates as bounding boxes onto the live camera preview.
• Camera QR Code Scanners - Detects QR codes within a camera stream and extracts encoded data to trigger specific actions.
• Hardware Vendor Abstractions - Provides a standardized interface to access manufacturer-specific hardware processing pipelines for bokeh and night mode.
• Local File Storage - Records video streams to a local file or storage based on a specified quality selector.
• Media Session Recording Controls - Controls the video recording process by starting, pausing, and stopping the capture session.
• Concurrent Capture Sessions - Manages a single hardware session that simultaneously routes data to a screen preview and a file recorder.
• HDR Viewfinder Rendering - Composites alternating short and long exposure frames in real time to produce high-dynamic-range previews.
• High-Performance Video Capture - Implements high-speed slow-motion recording and high-dynamic-range video capture using Android hardware.
• High-Frame-Rate Capture - Provides reference guides for recording high-frame-rate video sessions to enable slow-motion playback.
• HDR Video Capture - Demonstrates the capture of high dynamic range video and the rendering of real-time HDR viewfinders.
• High Frame Rate Recording - Records high-speed video within a constrained capture session to create smooth slow-motion playback.
• Exposure Compositing - Merges short and long exposure frames in real time to create a high-dynamic-range viewfinder.
• Screen Space Coordinate Mappings - Translates raw camera sensor coordinates into screen pixel coordinates to render visual bounding boxes over a live preview.
• Manufacturer Hardware Extensions - Demonstrates how to use manufacturer-specific extensions to apply professional effects such as bokeh, night mode, and HDR.
• Hardware Extension Effects - Applies manufacturer-specific enhancements like Bokeh, HDR, or Night mode to still image captures.
• Enhanced Image Captures - Captures enhanced still images by leveraging hardware-specific camera extensions through a system interface.
• Mobile Video Recording - Records high-dynamic-range video when the hardware supports the capability.
• Repeating Capture Loops - Issues continuous capture requests to the camera hardware to maintain a steady stream of frames for preview and recording.
• Frame Memory Buffers - Implements buffers that maintain video frames to facilitate real-time machine learning inference and QR scanning.

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