Function check_progress_consistency

libavcodec/decode.c:1882–1886

} ProgressInternal;

static void check_progress_consistency(const ProgressFrame *f)
{
    av_assert1(!!f->f == !!f->progress);
    av_assert1(!f->progress || f->progress->f == f->f);
}

int ff_progress_frame_alloc(AVCodecContext *avctx, ProgressFrame *f)
{