Certain VOD packages come with licenses for Tencent Cloud media SDKs, which you can use to activate UGSV features in the SDKs.
After you purchase a VOD package, you need to bind the license to your application in the console. Make sure you double-check the bundle ID and package name when binding a license. The information cannot be modified after submission.
A player signature is used to authorize a playback device to play videos. If your application playback service issues a valid signature to a device, the device will be able to play the video within the signature’s validity period. A player signature is required for playback in one of the following cases:
For more information on player signatures and how to use them, see Player Signature.
Frame rate refers to the number of frames in a video per unit time. It is measured in fps (frames per second).
Bitrate refers to the number of bits required per unit time to play continuous media (such as compressed audio or video). It is measured in bit/s (or bps).
Transcoding converts a video bitstream into another one. It changes the codec, resolution, bitrate, and other parameters of the bitstream for playback on different devices in various network environments. This feature can achieve the following:
Frame is the basic unit of videos. A video consists of multiple continuous frames.
Timestamp is the current time of data.
A GOP (group of pictures) refers to a collection of successive pictures within an MPEG encoded video stream. It starts with an I-frame and ends with the next I-frame. A GOP can contain the following types of pictures:
The number of frames within a GOP is called GOP length.
A video codec refers to a program or a device that can compress or decompress (video decoding) digital videos. Common codecs include:
Operations in VOD, such as video uploading, deleting, and processing, are referred to as events. It may take some time for an operation to be completed, and once it is completed, VOD will notify your application service of the result. This is an event notification.