[FFmpeg-devel] [PATCHv2 1/2] avdevice/decklink_dec: add support for decoding teletext from 10bit ancillary data
cus at passwd.hu
Wed Jul 19 19:48:26 EEST 2017
On Wed, 19 Jul 2017, John Warburton wrote:
> On Tue, Jul 18, 2017 at 6:10 PM, Marton Balint <cus at passwd.hu> wrote:
>> On Sat, 8 Jul 2017, Marton Balint wrote:
>>> This also add supports for 4K DeckLink cards because they always output the
>>> ancillary data in 10-bit.
>>> - only try teletext decoding for 576i PAL mode
>>> - some comments as requested by Aaron Levinson
>>> Signed-off-by: Marton Balint <cus at passwd.hu>
>> Applied the series, thanks for all the comments.
> Since this patch was applied, the mingw-w64 compiler, gcc version
> 6.4.1, fails to link shared library avdevice-57.dll, giving the
> following error. It is as if the const uint8_t ff_reverse that is
> found in libavutil/reverse.c somehow isn't being discovered by the
> linker. I'm afraid my knowledge beyond this point is zero.
> undefined reference to `ff_reverse'
> collect2: error: ld returned 1 exit status
> ffbuild/library.mak:101: recipe for target 'libavdevice/avdevice-57.dll' failed
> make: *** [libavdevice/avdevice-57.dll] Error 1
> Build failure. Please see error messages above.
Hmmm. Does adding ff_reverse to the exported symbols in
libavutil/libavutil.v fix the problem? Or maybe simply renaming
every instance of ff_reverse in the codebase to avpriv_reverse?
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