[FFmpeg-devel] mac, ios clock_gettime patch

Carl Eugen Hoyos ceffmpeg at gmail.com
Sun Feb 5 04:55:08 EET 2017

2017-02-05 3:12 GMT+01:00 Wang Bin <wbsecg1 at gmail.com>:
>> dyld: Symbol not found: _kVTCompressionPropertyKey_H264EntropyMode
> What system? kVTCompressionPropertyKey_H264EntropyMode is
> available since macOS 10.9 and iOS 10.8.

Indicating this is about 10.7.

> If targeting older system, we have to define it's value like
> kVTVideoDecoderSpecification_RequireHardwareAcceleratedVideoDecoder
> in videotoolbox.c

So how is it possible that clock_gettime() must not be defined to allow
starting the executable, but this object has to be?

Carl Eugen

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