[FFmpeg-devel] [PATCH] avformat/movenc: AVC Intra support
michaelni at gmx.at
Tue Sep 30 11:13:03 CEST 2014
On Tue, Sep 30, 2014 at 09:50:58AM +0100, tim nicholson wrote:
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> On 28/09/14 02:59, Michael Niedermayer wrote:
> > On Sun, Sep 28, 2014 at 03:53:15AM +0200, Michael Niedermayer wrote:
> >> On Sun, Sep 28, 2014 at 02:00:00AM +0100, Kieran Kunhya wrote:
> >>> On 28 September 2014 00:49, Michael Niedermayer <michaelni at gmx.at> wrote:
> >>>> This allows remuxing AVC intra into mov
> >>>> it does not work with libx264 encoded AVC Intra for unknown reason
> >>> 1080i should work. 1080p needs some random magic numbers in the
> >>> bitstream which are probably different for all the
> >>> framerate/resolution combinations. Blame Apple for having a decoder
> >>> that violates the H.264 spec - specifically requiring SEIs to have
> >>> certain information in them.
> >> i tried various avcintra 50 and 100 and i didnt find any that
> >> worked. They all crashed fcpx (in apples avci decoder in the case i
> >> looked at)
> >> its of course very possible that i made some systematic mistake
> > if someone has a known to be good set of command line options for
> > x264 to generate a working stream + input + output .h264 streams
> > that might (or might not) help identify what is at fault
> > [...]
> Some of the DPP AVCI100 test samples were created using x264* so could
> be used for reference.
Do you have a link to such sample ?
> Or I could knock up something if I can find my
> reference CL I used last time.
> *Using libx264 in ffmbc.
> - --
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Opposition brings concord. Out of discord comes the fairest harmony.
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