[x264-devel] Different pic_init_qp_minus26 cause stitching to fail.

[Jason Garrett-Glaser]

On Wed, May 22, 2013 at 2:02 AM, Anders Rein <are at vizrt.com> wrote:
> Hi,
>
> I am working on a software which transcodes clips and commercial to
> different resolution and serve the correct content to various media devices.
> We've been using x264 via ffmpeg for encoding h264. Recently we updated x264
> from snapshot-20120705 to snapshot-20130303. This caused our stitching of
> commercial and video content to fail.
>
> The stitching fails because the pic_init_qp_minus26 in the
> picture_parameter_set differs between the clips. The results vary from foggy
> and saturate results to complete crash (depending on the decoder).

Is the video not allowed to keep the PPS and SPSs from each of the
stitched sections?

If not, maybe I could add a --stitchable option?

Jason