Abstract: The present disclosure describes techniques of presenting audio/video (AV) files. The disclosed techniques include displaying a first interface, wherein the first interface comprises a list of a plurality of AV files and an editing area; generating a plot graph based at least in part on an input by a first user via the first interface, wherein the plot graph has a directed structure, and the at least one first type of AV file and the at least one second type of AV file are associated with different nodes of the plot graph; playing a first type of AV file; detecting that a preset instruction is received in response to determining that a playing progress of the first type of AV file reaches a first predetermined position; and playing another first type of AV file or a second type of AV file based on the preset instruction.

Abstract: The present disclosure describes techniques for playing videos. The disclosed techniques include obtaining a total duration and a playing duration of a first video segment; identifying a first video node corresponding to the first video segment and a first directing message associated with the first video node in a video playing plot graph, wherein the video playing plot graph is pre-generated and comprises a plurality of video nodes, and each video node corresponds to a video segment and is associated with a directing message comprising information related to a second video node; determining the second video node based on the first directing message in response to a determination that a difference between the total duration and the playing duration is equal to a predetermined amount; obtaining the second video segment based on the second video node; and playing the second video segment continuously once the first video segment is finished.

Abstract: The present disclosure describes techniques for displaying comments on videos. The disclosed techniques include obtaining a first list comprising a plurality of comment messages and a second list configured to store address information corresponding to at least one reusable comment style; determining whether the second list comprises the address information in response to a determination that a target comment message among the plurality of comment messages is initialized; selecting a piece of address information corresponding to a target comment style among the at least one reusable comment style in response to a determination that the second list comprises the address information; and generating a target comment object based on the target comment message and the target comment style corresponding to the selected piece of address information, wherein the target comment style comprises data indicative of effects of presenting the target comment message on a display device.

Abstract: Techniques of displaying comments relative to video frames are described herein. The disclosed techniques include obtaining page data comprising a video file and rendering the page data to play a video comprising a plurality of frames; obtaining a comment file comprising a plurality of comments on the video; displaying the plurality of comments relative to the plurality of frames while playing the video; detecting a computer performance parameter during rendering the page data; and reducing a density of displaying comments in response to determining that the computer performance parameter is less than a predetermined value.