s->watermark_key = s->watermark_key << 16 | s->watermark_key;
av_log(avctx, AV_LOG_DEBUG,
"watermark key %#"PRIx32"\n", s->watermark_key);
s->watermark_key = s->watermark_key << 16 | s->watermark_key;
av_log(avctx, AV_LOG_DEBUG,
"watermark key %#"PRIx32"\n", s->watermark_key);