if (avctx->height/8 * (avctx->width/8) > 4 * video_size) {
av_log(avctx, AV_LOG_ERROR, "Insufficient input data for dimensions\n");
return AVERROR_INVALIDDATA;
if (avctx->height/8 * (avctx->width/8) > 4 * video_size) {
av_log(avctx, AV_LOG_ERROR, "Insufficient input data for dimensions\n");
return AVERROR_INVALIDDATA;