}
tag = bytestream2_get_le32(&s->gb);
if (avctx->debug & FF_DEBUG_STARTCODE)
- av_log(avctx, AV_LOG_DEBUG, "png: tag=%c%c%c%c length=%u\n",
- (tag & 0xff),
- ((tag >> 8) & 0xff),
- ((tag >> 16) & 0xff),
- ((tag >> 24) & 0xff), length);
+ av_log(avctx, AV_LOG_DEBUG, "png: tag=%s length=%u\n",
+ av_fourcc2str(tag), length);
if (avctx->codec_id == AV_CODEC_ID_PNG &&
avctx->skip_frame == AVDISCARD_ALL) {