Method and device for video processing

A device for processing a video comprising:

• a storage having programs stored therein;
• and
• a processor, when executing the programs, configured to:
• fetch, from a buffer queue, a current image frame of the video, for playback;
• calculate a sampling interval of the current image frame, the sampling interval being a duration between a time point at which the current image frame was sampled and another time point at which a previous image frame was sampled, wherein the previous image frame is an image frame fetched from the buffer queue immediately before the current image frame;
• calculate a waiting time of the current image frame, the waiting time being a time period between the current image frame being added into the buffer queue and the current image frame being fetched from the buffer queue;
• calculate a regulated waiting time of the current image frame based on the waiting time of the current image frame and a previous regulated waiting time, the previous regulated waiting time equal to the regulated waiting time of the previous image frame, wherein the previous regulated waiting time for a first image frame that is fetched from the buffer queue earliest is an assigned value and the regulated waiting time of the first frame is calculated based on the assigned regulated waiting time and the waiting time of the first image frame;
• obtain a playing interval of the current image frame based on the regulated waiting time of the current image frame, the sampling interval of the current image frame and a preset waiting delay;
• determine whether time elapsed since start of playback of the previous frame is shorter than the playing interval of the current image frame;
• and
• play the current image frame at the current time point in response to the time elapsed since the start of playback of the previous image frame being longer than or equal to the playing interval of the current image frame.

A non-volatile storage medium comprising computer-executable instructions, wherein the executable instructions, when executed by a processor, instruct the processor to perform steps comprising:

• fetching, from a buffer queue, an ith image frame of a video, wherein the variable i is a natural number;
• calculating a sampling interval of the ith image frame, the sampling interval being a duration between a time point at which the ith image frame is sampled and another time point on which an (i−1)th image frame is sampled, wherein the (i−1)th image frame being the image frame fetched from the buffer queue immediately before the ith image frame;
• calculating a waiting time of the ith image frame, the waiting time being a time period starting when the ith image frame is added into the buffer queue and ending when the ith image frame is fetched from the buffer queue;
• calculating a regulated waiting time of the ith image frame based on the waiting time of the ith image frame and a previous regulated waiting time of the ith image frame, the previous regulated waiting time for the ith image frame equal to the regulated waiting time of the (i−1)th image frame, wherein the previous regulated waiting time for a first image frame that is fetched from the buffer queue earliest is an assigned value and the regulated waiting time of the first frame is calculated based on the assigned regulated waiting time and the waiting time of the first image frame;
• determining a playing interval of the ith image frame based on the regulated waiting time of the ith image frame, the sampling interval of the ith image frame, and a preset waiting delay;
• determining whether a previous frame playback duration is shorter than the playing interval of the ith image frame, wherein the previous frame playback duration is the duration between a time point at which playback of the (i−1)th image frame is started and a current time point;
• and
• playing the ith image frame at the current time point in response to the previous frame playback duration not being shorter than the playing interval of the ith image frame.