VIDEO CODEC SYSTEM AND VIDEO STREAM TRANSMISSION METHOD

摘要

A video stream transmission method is provided. The method has the following steps of: utilizing a video encoding apparatus to encode a plurality of first images to generate a video bitstream and transmit the video bitstream to the video decoding apparatus over a network; utilizing a video decoding apparatus to decode the video bitstream to generate a plurality of second images correspondingly; and when the video decoding apparatus detects that there is data loss of the video bitstream during transmission, utilizing the video decoding apparatus to reference a third image, which is the most recent completely decoded image of the plurality of second images, to perform subsequent video decoding processes and transmit a request signal to the video encoding apparatus, so that the video encoding apparatus references a fourth image, which corresponds to the third image, of the plurality of first images, to perform subsequent video encoding processes.

主权项

1. A video codec system, comprising:
a video encoding apparatus, comprising:
a first video processor configured to encode a plurality of first images to generate a video bitstream;a first memory unit configured to store the video bitstream; anda first network unit configured to transmit the video bitstream over a network; and a video decoding apparatus, comprising:
a second network unit configured to receive the video bitstream;a second video processor configured to decode the video bitstream to generate a plurality of second images correspondingly; anda second memory unit configured to store the second images, wherein when the second video processor detects that there is data loss of the video bitstream during transmission, the second video processor references a third image, which is the most recent completely decoded image of the plurality of second images, to perform subsequent video decoding processes, and transmits a request signal to the video encoding apparatus, so that the first video processor references a fourth image, which corresponds to the third image, of the plurality of first images, to perform subsequent video encoding processes.