4 ms·

The funniest and most depressing part of all this is that twitter 'gifs' are mp4s

• vardump 8y ago
  What video compression they use inside mp4 container?
  • midgetjones 8y ago
    Picked a "gif" at random: Format : MPEG-4 Format profile : Base Media / Version 2 Codec ID : mp42 File size : 1.61 MiB Duration : 4s 890ms Overall bit rate : 2 766 Kbps Encoded date : UTC 2018-06-07 09:34:57 Tagged date : UTC 2018-06-07 09:34:57 Video ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : Baseline@L3.0 Format settings, CABAC : No Format settings, ReFrames : 1 frame Codec ID : avc1 Codec ID/Info : Advanced Video Coding Duration : 4s 890ms Bit rate : 2 764 Kbps Width : 720 pixels Height : 414 pixels Display aspect ratio : 1.739 Frame rate mode : Variable Frame rate : 33.538 fps Original frame rate : 1 000.000 fps Minimum frame rate : 33.333 fps Maximum frame rate : 1 000.000 fps Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.276 Stream size : 1.61 MiB (100%) Title : Twitter v1.0-757770b7c8e9d79a526cdff77e74666386274fdf Writing library : x264 core 148 Encoding settings : cabac=0 / ref=1 / deblock=1:0:0 / analyse=0x1:0x111 / me=hex / subme=2 / psy=0 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=0 / threads=1 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=0 / weightp=0 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc=crf / mbtree=0 / crf=20.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=2:1.00 Encoded date : UTC 2018-06-07 09:34:57 Tagged date : UTC 2018-06-07 09:34:57