Audio and video playing control method and device, equipment, storage medium and program product

The embodiment of the invention discloses an audio and video playing control method and device, equipment, a storage medium and a program product, and the method comprises the steps: obtaining the historical playing time of an audio and video, and calculating the expected playing time of the to-be-played audio and video according to the historical playing time; determining the number of transmission files according to the expected playing duration and a set single transmission file duration, wherein the number of the transmission files is smaller than or equal to a preset maximum number; determining a code rate gear of each transmission file based on a set gear selection algorithm; and caching the corresponding transmission file according to the code rate gear so as to play the audio/video to be played under the condition that the data in the cache meets the playing condition. According to the scheme, the problem of transcoding resource waste caused by the fact that an audio and video playing mechanism in rel