(Main functions of the product: 1. Real-time preview: real-time preview of multi-channel video, and the window design can be dynamically adjusted; 2. Video storage: The received real-time streaming data can be formed into specific format files or MP4 and other standard media format files; 3. Playback: It can play back the stored video information in the past; 4. Real-time capture: the real-time video picture can be dynamically captured and stored in a specific storage space; 5. Display control: The display ratio of the video output can be dynamically set; 6. Support streaming protocols: rtsp, rtmp, http; 7. Support media formats: video includes h264, mpeg4, audio includes aac, g711, etc. 8. Product advantages that support reverse screen display: 1. Strong real-time performance, delay can be controlled within 300ms; 2. Strong compatibility, compatible with all mainstream brand mobile phones and domestic mobile phones 3. Compatible with multiple streaming media protocols; 4. Multi-channel playback , The function is stable, the system load is low; 5. Play circulation, audio and video synchronization [Free] dongle application for trial (support Android) [Download] Embedded e-book and video SoftLayer comprehensive technical analysis Android development environment construction tutorial The programmer's eternal pain The mystery of character encoding is used in the study of HTML5 cross-domain problems..)