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  • Paul Wilkins's avatar
    Bug when last group before forced key frame is short. · 0bff1efc
    Paul Wilkins authored
    Just before a forced key frame we often get a foreshortened
    arf/gf group. In such a case, we do not want to update
    rc->last_boosted_qindex, which is used to define the Q range
    for the forced key frame itself.
    This gives a small average metrics gain for the YT and YT-HD sets
    (eg. YT SSIM +0.141%).
    Change-Id: Ie06698bc4f249e87183b8f8fb27ff8f3fde216d9