mplayer: work around for 1/4 window bug on Intel macOS

[cho-m]

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Fixes #175476

Corresponding code:

#if defined(__aarch64__) || defined(x86_64)
// TODO figure out where this comes from!!
#undef __POWER__
#endif

[carlocab]

Is this still bundling FFmpeg?

[cho-m]

Is this still bundling FFmpeg?

Probably. I never got around to my previous PR on unbundling.

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yewtube failure seems to be unrelated as can be reproduced with current bottles. It looks like the code path used ends up running part of yt-dlp that needs ffmpeg installed.

  File "/opt/homebrew/Cellar/yewtube/2.10.5_7/libexec/lib/python3.12/site-packages/yt_dlp/YoutubeDL.py", line 1088, in report_error
    self.trouble(f'{self._format_err("ERROR:", self.Styles.ERROR)} {message}', *args, **kwargs)
  File "/opt/homebrew/Cellar/yewtube/2.10.5_7/libexec/lib/python3.12/site-packages/yt_dlp/YoutubeDL.py", line 1027, in trouble
    raise DownloadError(message, exc_info)
yt_dlp.utils.DownloadError: ERROR: You have requested merging of multiple formats but ffmpeg is not installed. Aborting due to --abort-on-error

[github-actions]

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