Detailed Description
The Full Resolution Service allows video frames from the Encoder to be enhanced to allow closer inspection of details within the image.
The Encoder attempts to use the lowest bandwidth it can when transmitting live video. This means that when bandwidth is limited the quality of the image has to be reduced. However, this does not mean that the person viewing the video has to sacrifice the clarity of the image, which may be required for evidential purposes. Frames transmitted by the Encoder are cached beforehand at their full resolution so they can be retrieved later if required. The video reviewing user can select a frame they have received and choose to retrieve the full resolution image for a specific area of that frame or the full high resolution frame. The cache of frames that can be enhanced is limited to a certain number of frames. In terms of 'time span' this means that if the Encoder is using a low frame rate then the 'history' of frames will be longer than when a high frame rate is used. When frames are too old to be held in the cache they are removed and will no longer available for enhancement.
The Full Resolution Service can only be used by one client application at a time. While the Full Resolution Service is held open by one user other users (applications) will not be able to open it. When designing applications please keep this in mind. For example, it may be beneficial to add a feature that will automatically close the Full Resolution Service if the user has not used it for a while.
Sample applications
Full sample applications are available demonstrating the capabilities of the SDK
Classes | |
| class | EdgeVisDecoderSDK::FullResService |
| Access to the Full Resolution capability on encoders that support it. More... | |
| class | EdgeVisDecoderSDK::IFullResListener |
| The interface for the Full resolution service callbacks. More... | |