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Dolphin, the GameCube and Wii emulator - Forums > Dolphin Emulator Discussion and Support > Development Discussion > Dolphin uses ffmpeg to play / show the videos of the games?
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JMC47

12-06-2016, 12:40 PM
It's pretty crazy, I thought my laptop was just too old to play Dolphin.

degasus

12-06-2016, 07:16 PM
(12-06-2016, 05:01 AM)nano351 Wrote: [ -> ]For anyone who stumbles upon this thread later, the source of the issue was mentioned in a recent blog post. The problem is from a bug in glibc: https://dolphin-emu.org/blog/2016/12/01/dolphin-progress-report-november-2016/

I had updated from ubuntu 14.04 -> 16.04 and compiled the latest dolphin source, and hadn't realized it could have been from a system library.

This issue was a not so funny week to debug :/

Fun fact: "-O3 -march=native" is fast, "-O2 -march=native" is slow. The difference is an unrolled but still unoptimized loop within VideoCommon which uses AVX256, and so resets the upper bits.
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Dolphin, the GameCube and Wii emulator - Forums > Dolphin Emulator Discussion and Support > Development Discussion > Dolphin uses ffmpeg to play / show the videos of the games?