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How does Vine optimize video size for uploading/downloading?

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“We begin the [video] encoding process in Vine as soon as you start recording [a clip]. Since we're encoding to h.264, we also benefit from hardware acceleration in the iPhone and iPod Touch chipsets. Videos that are uploaded to Vine are transcoded to different bit rates on our servers for different connectivity scenarios. read more

Since we’re encoding to h.264, we also benefit from hardware acceleration in the iPhone and iPod Touch chipsets. Videos that are uploaded to Vine are transcoded to different bit rates on our servers for different connectivity scenarios." “Videos on Vine are recorded at 480x480 using the H264 codec. read more

So when we talk about optimizing HTML5 video, what we are really talking about is how to optimize an MP4 video for faster playback. And the way we do that has to do with the structure of the MP4 file, and how streaming video works. read more

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