[FFmpeg-devel] H.261 chroma motion vector rounding.
Christina Brien
christina.brien at polygonindustrial.com
Mon Apr 3 00:14:17 EEST 2017
> On 2 Apr 2017, at 22:03, Hendrik Leppkes <h.leppkes at gmail.com> wrote:
>
> C integer divison truncates, that equals rounding towards zero.
For positive numbers, yes.
3 (0b00000000 00000000 00000000 00000011) is right shifted with sign-insertion to 1.
-3 (0b11111111 111111111 111111111 111111101) is right shifted with sign-insertion to -2.
Christina
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