Adds media channels to support multiple video and audio sources, plus improves sound quality.
Features
- Media channels
- TRVCamSender component allows sending video and audio from multiple sources.
- New property for TRVCamSender .ExtraMediaSources. Optional parameter (AMediaIndex, index of the media channel) is added to methods for sending commands, files and user data.
- New parameter (AMediaIndex) is added to events of TRVCamReceiver : OnReceiveFileData , OnReceiveCmdData , OnReceiveUserData , OnDataRead . If you already used these events, you need to add this parameter in the event handlers.
- New property IndexFrom (index of media channel) is added to TRVCamView and TRVCamMultiView.Viewers.
- Sound
- New component TRVAudioPlayer allows playing sound and recording it to a file. It can be linked with TRVMicrophone or TRVCamReceiver components.
- The sound sub-system of TRVCamReceiver is rewritten, so sound is much clearer.
- The components now support stereo sound.
- Video recording
- New component TRVCamRecorder for recording video and sound files. It gets audio and video data from TRVCamera , TRVMicrophone or TRVCamReceiver components.
- Local web cameras
- RVMedia supports more video formats (I420, NV12, IYUV, UYVY), even if corresponding decoders are not installed in the system.
- IP cameras
- RVMedia supports cameras having different ports for commands and RTSP video. A new property is added: TRVCamera .RTSPPort.
- Custom video
- Added new type of video source: DeviceType = rvdtUserData. In this mode, video frames are requested from an application in OnNewImage event.
- Other changes in cameras
- TRVCamera.FramePerSec is now a fractional value.
- FFmpeg support
- New TRVCamera .FFMpegProperty property contains sub-properties to configure FFmpeg.
- TRVCamera .UseFFMpeg property is moved to TRVCamera.FFMpegProperty .UseFFMpeg
- FFmpeg is used in TRVCamRecorder and TRVAudioPlayer components for video and audio recording.
- FFmpeg versions newer than 3 are supported.
- Microphone
- The type of TRVMicrophone .VolumeMultiplier is changed from Byte to Double, to allow decreasing sound volume.
- Camera viewers
- TRVCamMultiView is now implemented not as parent window for internal TRVCamView components.
- Since this version, it draws everything in a single window. It allows implementing DirectX and OpenGL drawing modes more efficiently.
- New property: TRVCamView.CaptionHeight and TRVCamMultiView.CaptionHeight.
- Other changes
- The following events have new parameter (RemoteSessionKey): TRVCamSender.OnConnected, OnConnecting, OnDisconnect, OnConnectError , TRVCamReceiver.OnConnected, OnConnecting, OnDisconnect, OnConnectError . If you already used these events, you need to add this parameter in the event handlers.
- All custom cursors now have 32x32, 48x48, and 64x64 versions.
- New VideoDefaultAcceptAll, AudioDefaultAcceptAll, UserDefaultAcceptAll, FileDefaultAcceptAll, CmdDefaultAcceptAll properties of items in TRVCamReceiver .Senders collection (default values correspond to the old behavior).
- Chinese user interface.
- New property: TRVCamera.SmoothImage and TRVCamReceiver.SmoothImage.