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RVMedia is a set of Delphi and C++Builder VCL and FireMonkey (and Lazarus LCL) components having the following functions: - receiving video from local web cameras and IP-cameras; - configuring IP-cameras and controlling their rotation; - reading sound from a microphone; - sending and receiving video and audio data via the Internet; - organizing video chats and video conferences (either as directly connected applications or using a client-server model); - recording audio and video files. Components in the package: 1. TRVCamera: - receives video from different sources: webcams, IP-cameras, screen, video files - configures IP-cameras; - controls rotation of IP-cameras. TRVCamera provides a single simple programming interface for all supported IP-cameras. 2. TRVCamView is a visual component that displays video from TRVCamera or TRVCamReceiver. 3. TRVCamMultiView is visual component that displays multiple videos from different sources. 4. TRVCamControl is a visual component that controls IP-camera movement. 5. TRVMicrophone reads sound from a microphone. Optionally, it applies some sound effects. 6. TRVMicrophoneView is a visual component that shows a microphone activity. 7. TRVCamSender sends data (video, audio, files, command, arbitrary binary data) via the IP network. These data can be received by TRVCamReceiver or TRVMediaServer. 8. TRVCamReceiver receives data from TRVCamSender or TRVMediaServer. 9. TRVMediaServer receives data from multiple senders and resends them to multiple receivers. A receiver, a sender and a media server have special methods for implementing chats/messengers/conferences (such as managing groups of clients (to implement chat rooms), managing lists of allowed senders and receivers (to implement contact lists). 10. TRVCamRecorder records audio and video files. 11. TRVAudioPlayer plays sound and record sound files. 12. TRVTrafficMeter displays networking statistics. 13. TRVWebCamDialog edits webcam properties.