[FFmpeg-user] avformat_find_stream_info broken recently with multiple threads?

Dennis Volodomanov volodomanov at gmail.com
Wed Jan 2 02:28:09 CET 2013


Carl Eugen Hoyos wrote:
> That sounds like a serious bug to me, and I suspect it is a 
> regression. I will try to find time to reproduce this. Could you 
> confirm again that the following produces dll files? $ make distclean 
> && ./configure-arch=x86 --target-os=mingw32 
> --cross-prefix=i686-w64-mingw32- && make 
Hmm, hold on - could be a stupid user error here :) Where is the 
"--enable-shared" flag gone? I'll go and check my script and get back to 
you, perhaps I've been linking old code for a while there...
>>> Is --extra-cflags=-DPTW32_STATIC_LIB needed?
>>> What it is good for? Is there a bug report missing?
>>> (Or is there a bug report?)
>> This is to use the pthreads library I mentioned earlier.
> Should this be automatically added when pthreads are used?
> Or are you adding this because you prefer static pthreads?
Yes, this is for static pthreads. Doesn't link without it and it's not 
added automatically.


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