[Libav-user] h264_mp4toannexb_filter

[Wagner Patriota]

YES, I got the same conclusion! but how do I convert the frames?
that's what I still don't understand. I was expecting the filter do it for
me... any idea? :-(

On Wed, Apr 11, 2012 at 4:19 PM, Alex Cohn <alexcohn at netvision.net.il>wrote:

> On Apr 11, 2012 9:37 PM, "Wagner Patriota" <wagner.patriota at gmail.com>
> wrote:
> >
> > ExtraData:
> 00000001674D400D96528322FF2FFE080007F0A100000303E90000BB80604000825C000412FFF18E302000412E0002097FF8C70ED09128B00000000168E9093520
> > So what is wrong?
> >
> > 1. If I don't use the filter, I get this message:
> > "H.264 bitstream malformed, no startcode found, use the h264_mp4toannexb
> bitstream filter (-bsf h264_mp4toannexb)""
> > Because "AV_RB32(pkt->data) != 0x0000001" (in fact, AV_RB32(pkt->data) =
> 0x1B13)
>
> Could it be that while your extradata is in annex b format, the frames
> still need conversion?  0x1B13 looks like a start of a regular packet.
>
> BR,
> Alex
>
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