[x264-devel] unnecessary code or bug in x264_slicetype_analyse?

chen chenm003 at 163.com
Wed Nov 17 06:36:40 UTC 2021


Hello,


I found there some funny code in the function x264_slicetype_analyse.
For example,


...
    else if( num_frames == 0 )
    {
        frames[1]->i_type = X264_TYPE_I;
        return;
    }
...
    /* Restore frametypes for all frames that haven't actually been decided yet. */
    for( int j = reset_start; j <= num_frames; j++ )
        frames[j]->i_type = frames[j]->i_forced_type;
...


In here, the frames[] is temporary Stack allocated array variant, why we setting it's value before return?


Regards,
Min Chen

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