On 06.09.2014, at 00:23, wm4 <nfx...@googlemail.com> wrote: > On Sat, 6 Sep 2014 00:00:10 +0200 > Michael Niedermayer <michae...@gmx.at> wrote: > >> On Thu, Sep 04, 2014 at 10:40:27PM +0200, wm4 wrote: >>> --- >>> Follows reimar's suggestion for detecting UTF-16. If the detection goes >>> wrong, probing the format won't succeed, so this should not break >>> anything. >>> >> >>> I didn't use ffio_ensure_seekback), because this apparently reallocates >>> the buffer - which we certainly don't want, because the probe API >>> doesn't allow this. >> >> the format probe API doesnt provide a AVIOContext, and if one is >> provided, it could use a allocated and reallocatable buffer >> or do i misunderstand ? >> >> [...] > > I'm ffio_init_context() to initialize an AVIOContext on a buffer (the > probe buffer)
I do not know the actual behaviour for sure, but for a context based on a buffer, seekback should never ever be possible to fail... So if we can detect that case, I think the ensure function should behave like a NOP. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
