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Frame vs iframe software#

Then, the two macroblocks’ difference is compressed and sent to the decoder along with the location information.

The best-match macroblock’s location is recorded (which frame and its position in that frame).

In order to compress each macroblock, the first step is to find a macroblock similar to the one we want to compress by searching in the current frame or previous or future frames.

Break the video into blocks of pixels ( macroblocks) and compress them one at a time.

If I want to compress Frame #2 using a modern video codec like H.264 or HEVC, I would do something as follows – In frame 1, the block is on the left-hand side of the image, and in the second frame, it has moved to the right. It shows two video frames (adjacent to each other) with a rectangular block of black pixels. I won’t do a deep dive of Intra and Inter-prediction in this article, but, I’ll give you an idea of why these exist and what they are meant for.

Use of I, P, and B-frames in Video Compression & Streaming.

Reference B-frame and Non-Reference B-frames.

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Frame vs iframe software#

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