[XviD-devel] xvid_decore return values puzzled me so much

[pascal.massimino@free.fr]

Quoting ÕÔÓîÁú <zylthinking at gmail.com>:

>    for times, the return value of xvid_decore puzzled me so much, for
> instance:
>
>     xvid_dec_frame_t xvid_dec_frame = {0};
>     xvid_dec_frame.version = XVID_VERSION;
>     xvid_dec_frame.general = 0;
>     xvid_dec_frame.output.plane[0] = out;
>     xvid_dec_frame.output.stride[0] = 2 * width;
>     xvid_dec_frame.output.csp = XVID_CSP_YUY2;
>
>     xvid_dec_stats_t xvid_dec_status = {0};
>     xvid_dec_status.version = XVID_VERSION;
>
>     xvid_dec_frame.bitstream = buffer;
>     xvid_dec_frame.length = len;
>     int consumed = xvid_decore(handle, XVID_DEC_DECODE, &xvid_dec_frame,
> &xvid_dec_status);
>
> to my surprise,  consumed is larger than xvid_dec_frame.length, how can this
> happen?
   my guess: the bitstream is invalid, truncated, corrupted...

> and what does that means, how can I deal with that??

skal